Merge branch 'androidx' into 'master'

AndroidX Migration

See merge request fdroid/fdroidclient!899

.gitignore

@@ -16,7 +16,6 @@ build.xml
 # Gradle files
 .gradle/
 build/
-gradle.properties
 
 # Local configuration file (sdk path, etc)
 local.properties

app/build.gradle

@@ -12,8 +12,8 @@ def getVersionName = { ->
     return stdout.toString().trim()
 }
 
-def isCi = "true".equals(System.getenv("CI"))
+def isCi = "true" == System.getenv("CI")
-def preDexEnabled = "true".equals(System.getProperty("pre-dex", "true"))
+def preDexEnabled = "true" == System.getProperty("pre-dex", "true")
 
 def fullApplicationId = "org.fdroid.fdroid"
 def basicApplicationId = "org.fdroid.basic"
@@ -21,14 +21,16 @@ def basicApplicationId = "org.fdroid.basic"
 def privilegedExtensionApplicationId = '"org.fdroid.fdroid.privileged"'
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
-    buildToolsVersion '27.0.3'
 
     defaultConfig {
         versionCode 1010000
         versionName getVersionName()
 
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner 'androidx.test.runner.AndroidJUnitRunner'
+        minSdkVersion 14
+        //noinspection ExpiredTargetSdkVersion
+        targetSdkVersion 25
         /*
           The Android Testing Support Library collects analytics to continuously improve the testing
           experience. More specifically, it uploads a hash of the package name of the application
@@ -43,7 +45,6 @@ android {
         // release builds before.
         all {
             minifyEnabled true
-            useProguard true
             shrinkResources true
             buildConfigField "String", "PRIVILEGED_EXTENSION_PACKAGE_NAME", privilegedExtensionApplicationId
             buildConfigField "String", "ACRA_REPORT_EMAIL", '"reports@f-droid.org"' // String needs both quotes
@@ -134,17 +135,17 @@ android {
 }
 
 dependencies {
-    implementation 'com.android.support:support-v4:27.1.1'
+    implementation 'androidx.appcompat:appcompat:1.1.0'
-    implementation 'com.android.support:appcompat-v7:27.1.1'
+    implementation 'androidx.preference:preference:1.1.1'
-    implementation 'com.android.support:gridlayout-v7:27.1.1'
+    implementation 'androidx.gridlayout:gridlayout:1.0.0'
-    implementation 'com.android.support:support-annotations:27.1.1'
+    implementation 'androidx.annotation:annotation:1.1.0'
-    implementation 'com.android.support:recyclerview-v7:27.1.1'
+    implementation 'androidx.recyclerview:recyclerview:1.1.0'
-    implementation 'com.android.support:cardview-v7:27.1.1'
+    implementation 'androidx.cardview:cardview:1.0.0'
-    implementation 'com.android.support:design:27.1.1'
+    implementation 'androidx.vectordrawable:vectordrawable:1.1.0'
-    implementation 'com.android.support:support-vector-drawable:27.1.1'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
-    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
+    implementation 'androidx.palette:palette:1.0.0'
-    implementation 'com.android.support:palette-v7:27.1.1'
+
-    implementation 'com.android.support:preference-v14:27.1.1'
+    implementation 'com.google.android.material:material:1.1.0'
 
     implementation 'com.nostra13.universalimageloader:universal-image-loader:1.9.5'
     implementation 'com.google.zxing:core:3.3.3'
@@ -161,24 +162,26 @@ dependencies {
     implementation 'com.fasterxml.jackson.core:jackson-annotations:2.8.11'
     implementation 'com.fasterxml.jackson.core:jackson-databind:2.8.11'
 
-    implementation 'org.bouncycastle:bcprov-jdk15on:1.60'
+    implementation 'org.bouncycastle:bcprov-jdk15on:1.65'
-    fullImplementation 'org.bouncycastle:bcpkix-jdk15on:1.60'
+    fullImplementation 'org.bouncycastle:bcpkix-jdk15on:1.65'
     fullImplementation 'cc.mvdan.accesspoint:library:0.2.0'
     fullImplementation 'org.jmdns:jmdns:3.5.5'
     fullImplementation 'org.nanohttpd:nanohttpd:2.3.1'
 
-    testImplementation 'org.robolectric:robolectric:3.8'
+    testImplementation 'androidx.test:core:1.2.0'
-    testImplementation "com.android.support.test:monitor:1.0.2"
-    testImplementation 'org.bouncycastle:bcprov-jdk15on:1.60'
     testImplementation 'junit:junit:4.13'
+    testImplementation 'org.robolectric:robolectric:4.3'
+    testImplementation 'org.mockito:mockito-core:3.3.3'
     testImplementation 'org.hamcrest:hamcrest:2.2'
-    testImplementation 'org.mockito:mockito-core:2.7.22'
+    testImplementation 'org.bouncycastle:bcprov-jdk15on:1.65'
 
-    androidTestImplementation 'com.android.support:support-annotations:27.1.1'
+    androidTestImplementation 'androidx.test:core:1.2.0'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    androidTestImplementation 'androidx.test:runner:1.2.0'
-    androidTestImplementation 'com.android.support.test:runner:1.0.2'
+    androidTestImplementation 'androidx.test:rules:1.2.0'
-    androidTestImplementation 'com.android.support.test:rules:1.0.2'
+    androidTestImplementation 'androidx.test:monitor:1.2.0'
-    androidTestImplementation 'com.android.support.test.uiautomator:uiautomator-v18:2.1.3'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+    androidTestImplementation 'androidx.test.uiautomator:uiautomator:2.2.0'
 }
 
 checkstyle {

app/proguard-rules.pro

@@ -33,17 +33,6 @@
     public *;
 }
 
-# Samsung Android 4.2 bug
-# https://code.google.com/p/android/issues/detail?id=78377
--keepnames class !android.support.v7.internal.view.menu.**, ** {*;}
-
--keep public class android.support.v7.widget.** {*;}
--keep public class android.support.v7.internal.widget.** {*;}
-
--keep public class * extends android.support.v4.view.ActionProvider {
-    public <init>(android.content.Context);
-}
-
 # The rxjava library depends on sun.misc.Unsafe, which is unavailable on Android
 # The rxjava team is aware of this, and mention in the docs that they only use
 # the unsafe functionality if the platform supports it.

app/src/androidTest/AndroidManifest.xml

@@ -5,12 +5,13 @@
           package="org.fdroid.fdroid.tests"
           android:versionCode="1"
           android:versionName="1.0">
-    <uses-sdk tools:overrideLibrary="android.support.test.uiautomator.v18"/>
+    <uses-sdk tools:overrideLibrary="android_libs.ub_uiautomator" />
     <!-- We add an application tag here just so that we can indicate that
          this package needs to link against the android.test library,
          which is needed when building test cases. -->
     <application>
-        <uses-library android:name="android.test.runner"/>
+        <uses-library android:name="android.test.runner"
+            android:required="false" />
     </application>
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

app/src/androidTest/java/org/fdroid/fdroid/AssetUtils.java

@@ -1,7 +1,7 @@
 package org.fdroid.fdroid;
 
 import android.content.Context;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.util.Log;
 
 import java.io.File;

app/src/androidTest/java/org/fdroid/fdroid/CleanCacheServiceTest.java

@@ -1,8 +1,8 @@
 package org.fdroid.fdroid;
 
 import android.app.Instrumentation;
-import android.support.test.InstrumentationRegistry;
+import androidx.test.platform.app.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
 
 import org.apache.commons.io.FileUtils;
 import org.fdroid.fdroid.compat.FileCompatTest;

app/src/androidTest/java/org/fdroid/fdroid/LocalizationTest.java

@@ -5,8 +5,8 @@ import android.content.Context;
 import android.content.res.AssetManager;
 import android.content.res.Configuration;
 import android.content.res.Resources;
-import android.support.test.InstrumentationRegistry;
+import androidx.test.platform.app.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
 import android.text.TextUtils;
 import android.util.DisplayMetrics;
 import android.util.Log;
@@ -179,6 +179,9 @@ public class LocalizationTest {
                         case "dd":
                             resources.getString(resId, 1, 2);
                             break;
+                        case "ds":
+                            resources.getString(resId, 1, "TWO");
+                            break;
                         case "dds":
                             resources.getString(resId, 1, 2, "THREE");
                             break;

app/src/androidTest/java/org/fdroid/fdroid/MainActivityEspressoTest.java

@@ -5,17 +5,19 @@ import android.app.ActivityManager;
 import android.app.Instrumentation;
 import android.content.Context;
 import android.os.Build;
-import android.support.test.InstrumentationRegistry;
+
-import android.support.test.espresso.IdlingPolicies;
+import androidx.test.core.app.ApplicationProvider;
-import android.support.test.espresso.ViewInteraction;
+import androidx.test.platform.app.InstrumentationRegistry;
-import android.support.test.filters.LargeTest;
+import androidx.test.espresso.IdlingPolicies;
-import android.support.test.rule.ActivityTestRule;
+import androidx.test.espresso.ViewInteraction;
-import android.support.test.rule.GrantPermissionRule;
+import androidx.test.filters.LargeTest;
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.rule.ActivityTestRule;
-import android.support.test.uiautomator.UiDevice;
+import androidx.test.rule.GrantPermissionRule;
-import android.support.test.uiautomator.UiObject;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
-import android.support.test.uiautomator.UiObjectNotFoundException;
+import androidx.test.uiautomator.UiDevice;
-import android.support.test.uiautomator.UiSelector;
+import androidx.test.uiautomator.UiObject;
+import androidx.test.uiautomator.UiObjectNotFoundException;
+import androidx.test.uiautomator.UiSelector;
 import android.util.Log;
 import android.view.View;
 import org.fdroid.fdroid.views.BannerUpdatingRepos;
@@ -32,19 +34,19 @@ import org.junit.runner.RunWith;
 import java.io.IOException;
 import java.util.concurrent.TimeUnit;
 
-import static android.support.test.espresso.Espresso.onView;
+import static androidx.test.espresso.Espresso.onView;
-import static android.support.test.espresso.action.ViewActions.click;
+import static androidx.test.espresso.action.ViewActions.click;
-import static android.support.test.espresso.action.ViewActions.swipeDown;
+import static androidx.test.espresso.action.ViewActions.swipeDown;
-import static android.support.test.espresso.action.ViewActions.swipeLeft;
+import static androidx.test.espresso.action.ViewActions.swipeLeft;
-import static android.support.test.espresso.action.ViewActions.swipeRight;
+import static androidx.test.espresso.action.ViewActions.swipeRight;
-import static android.support.test.espresso.action.ViewActions.swipeUp;
+import static androidx.test.espresso.action.ViewActions.swipeUp;
-import static android.support.test.espresso.action.ViewActions.typeText;
+import static androidx.test.espresso.action.ViewActions.typeText;
-import static android.support.test.espresso.assertion.ViewAssertions.doesNotExist;
+import static androidx.test.espresso.assertion.ViewAssertions.doesNotExist;
-import static android.support.test.espresso.assertion.ViewAssertions.matches;
+import static androidx.test.espresso.assertion.ViewAssertions.matches;
-import static android.support.test.espresso.matcher.ViewMatchers.isDisplayed;
+import static androidx.test.espresso.matcher.ViewMatchers.isDisplayed;
-import static android.support.test.espresso.matcher.ViewMatchers.withContentDescription;
+import static androidx.test.espresso.matcher.ViewMatchers.withContentDescription;
-import static android.support.test.espresso.matcher.ViewMatchers.withId;
+import static androidx.test.espresso.matcher.ViewMatchers.withId;
-import static android.support.test.espresso.matcher.ViewMatchers.withText;
+import static androidx.test.espresso.matcher.ViewMatchers.withText;
 import static org.hamcrest.Matchers.allOf;
 import static org.hamcrest.Matchers.not;
 import static org.junit.Assert.assertTrue;
@@ -88,7 +90,7 @@ public class MainActivityEspressoTest {
         } catch (IOException e) {
             e.printStackTrace();
         }
-        SystemAnimations.disableAll(InstrumentationRegistry.getTargetContext());
+        SystemAnimations.disableAll(ApplicationProvider.getApplicationContext());
 
         // dismiss the ANR or any other system dialogs that might be there
         UiObject button = new UiObject(new UiSelector().text("Wait").enabled(true));
@@ -109,7 +111,7 @@ public class MainActivityEspressoTest {
 
     @AfterClass
     public static void classTearDown() {
-        SystemAnimations.enableAll(InstrumentationRegistry.getTargetContext());
+        SystemAnimations.enableAll(ApplicationProvider.getApplicationContext());
     }
 
     public static boolean isEmulator() {

app/src/androidTest/java/org/fdroid/fdroid/UiWatchers.java

@@ -16,11 +16,11 @@
 
 package org.fdroid.fdroid;
 
-import android.support.test.uiautomator.UiDevice;
+import androidx.test.uiautomator.UiDevice;
-import android.support.test.uiautomator.UiObject;
+import androidx.test.uiautomator.UiObject;
-import android.support.test.uiautomator.UiObjectNotFoundException;
+import androidx.test.uiautomator.UiObjectNotFoundException;
-import android.support.test.uiautomator.UiSelector;
+import androidx.test.uiautomator.UiSelector;
-import android.support.test.uiautomator.UiWatcher;
+import androidx.test.uiautomator.UiWatcher;
 import android.util.Log;
 
 import java.util.ArrayList;

app/src/androidTest/java/org/fdroid/fdroid/compat/FileCompatTest.java

@@ -4,8 +4,8 @@ import android.app.Instrumentation;
 import android.content.Context;
 import android.os.Build;
 import android.os.Environment;
-import android.support.test.InstrumentationRegistry;
+import androidx.test.platform.app.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
 import android.util.Log;
 
 import org.fdroid.fdroid.AssetUtils;

app/src/androidTest/java/org/fdroid/fdroid/installer/ApkVerifierTest.java

@@ -22,9 +22,9 @@ package org.fdroid.fdroid.installer;
 import android.app.Instrumentation;
 import android.net.Uri;
 import android.os.Build;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.test.InstrumentationRegistry;
+import androidx.test.platform.app.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
 import android.util.Log;
 import org.fdroid.fdroid.AssetUtils;
 import org.fdroid.fdroid.Utils;

app/src/androidTest/java/org/fdroid/fdroid/nearby/BonjourManagerTest.java

@@ -1,17 +1,20 @@
 package org.fdroid.fdroid.nearby;
 
 import android.content.Context;
-import android.support.test.InstrumentationRegistry;
+
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
 import org.fdroid.fdroid.FDroidApp;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import javax.jmdns.ServiceEvent;
-import javax.jmdns.ServiceListener;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
 
+import javax.jmdns.ServiceEvent;
+import javax.jmdns.ServiceListener;
+
 import static org.junit.Assert.assertTrue;
 
 @RunWith(AndroidJUnit4.class)
@@ -23,7 +26,7 @@ public class BonjourManagerTest {
 
     @Test
     public void testStartStop() throws InterruptedException {
-        Context context = InstrumentationRegistry.getTargetContext();
+        Context context = ApplicationProvider.getApplicationContext();
 
         FDroidApp.ipAddressString = LOCALHOST;
         FDroidApp.port = PORT;
@@ -65,7 +68,7 @@ public class BonjourManagerTest {
 
     @Test
     public void testRestart() throws InterruptedException {
-        Context context = InstrumentationRegistry.getTargetContext();
+        Context context = ApplicationProvider.getApplicationContext();
 
         FDroidApp.ipAddressString = LOCALHOST;
         FDroidApp.port = PORT;

app/src/androidTest/java/org/fdroid/fdroid/nearby/LocalHTTPDManagerTest.java

@@ -4,10 +4,11 @@ import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
-import android.support.test.InstrumentationRegistry;
+
-import android.support.test.filters.LargeTest;
+import androidx.test.core.app.ApplicationProvider;
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.filters.LargeTest;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 import android.util.Log;
 import org.fdroid.fdroid.FDroidApp;
 import org.fdroid.fdroid.Netstat;
@@ -41,7 +42,7 @@ public class LocalHTTPDManagerTest {
 
     @Before
     public void setUp() {
-        context = InstrumentationRegistry.getTargetContext();
+        context = ApplicationProvider.getApplicationContext();
         lbm = LocalBroadcastManager.getInstance(context);
 
         FDroidApp.ipAddressString = LOCALHOST;

app/src/androidTest/java/org/fdroid/fdroid/updater/SwapRepoEmulatorTest.java

@@ -6,8 +6,8 @@ import android.content.Intent;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.ResolveInfo;
 import android.os.Looper;
-import android.support.test.InstrumentationRegistry;
+import androidx.test.platform.app.InstrumentationRegistry;
-import android.support.test.filters.LargeTest;
+import androidx.test.filters.LargeTest;
 import android.text.TextUtils;
 import android.util.Log;
 import org.fdroid.fdroid.BuildConfig;

app/src/basic/java/org/fdroid/fdroid/nearby/WifiStateChangeService.java

@@ -21,7 +21,7 @@ package org.fdroid.fdroid.nearby;
 
 import android.content.Context;
 import android.content.Intent;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 /**
  * Dummy version for basic app flavor.

app/src/basic/java/org/fdroid/fdroid/views/main/MainViewController.java

@@ -19,10 +19,10 @@
 
 package org.fdroid.fdroid.views.main;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
-import android.support.v4.app.Fragment;
+import androidx.fragment.app.Fragment;
-import android.support.v7.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatActivity;
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 import android.widget.FrameLayout;
 import org.fdroid.fdroid.R;
 import org.fdroid.fdroid.views.PreferencesFragment;

app/src/basic/res/xml/preferences.xml

@@ -1,30 +1,30 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.v7.preference.PreferenceScreen
+<PreferenceScreen
         xmlns:android="http://schemas.android.com/apk/res/android">
 
-    <android.support.v7.preference.PreferenceScreen android:title="@string/about_title">
+    <PreferenceScreen android:title="@string/about_title">
         <intent
                 android:action="android.intent.action.MAIN"
                 android:targetPackage="@string/applicationId"
                 android:targetClass="org.fdroid.fdroid.AboutActivity"/>
-    </android.support.v7.preference.PreferenceScreen>
+    </PreferenceScreen>
 
-    <android.support.v7.preference.PreferenceCategory android:title="@string/preference_category__my_apps">
+    <PreferenceCategory android:title="@string/preference_category__my_apps">
-        <android.support.v7.preference.PreferenceScreen android:title="@string/preference_manage_installed_apps">
+        <PreferenceScreen android:title="@string/preference_manage_installed_apps">
             <intent
                     android:action="android.intent.action.MAIN"
                     android:targetPackage="@string/applicationId"
                     android:targetClass="org.fdroid.fdroid.views.installed.InstalledAppsActivity"/>
-        </android.support.v7.preference.PreferenceScreen>
+        </PreferenceScreen>
-        <android.support.v7.preference.PreferenceScreen
+        <PreferenceScreen
                 android:title="@string/menu_manage"
                 android:summary="@string/repositories_summary">
             <intent
                     android:action="android.intent.action.MAIN"
                     android:targetPackage="@string/applicationId"
                     android:targetClass="org.fdroid.fdroid.views.ManageReposActivity"/>
-        </android.support.v7.preference.PreferenceScreen>
+        </PreferenceScreen>
-        <android.support.v7.preference.PreferenceScreen
+        <PreferenceScreen
                 android:key="installHistory"
                 android:visible="false"
                 android:title="@string/install_history"
@@ -33,10 +33,10 @@
                     android:action="android.intent.action.MAIN"
                     android:targetPackage="@string/applicationId"
                     android:targetClass="org.fdroid.fdroid.views.InstallHistoryActivity"/>
-        </android.support.v7.preference.PreferenceScreen>
+        </PreferenceScreen>
-    </android.support.v7.preference.PreferenceCategory>
+    </PreferenceCategory>
 
-    <android.support.v7.preference.PreferenceCategory android:title="@string/updates">
+    <PreferenceCategory android:title="@string/updates">
         <org.fdroid.fdroid.views.LiveSeekBarPreference
                 android:key="overWifi"
                 android:title="@string/over_wifi"
@@ -60,9 +60,9 @@
                 android:title="@string/notify"
                 android:defaultValue="true"
                 android:key="updateNotify"/>
-    </android.support.v7.preference.PreferenceCategory>
+    </PreferenceCategory>
 
-    <android.support.v7.preference.PreferenceCategory android:title="@string/display"
+    <PreferenceCategory android:title="@string/display"
                                                       android:key="pref_category_display">
         <ListPreference
                 android:title="@string/pref_language"
@@ -73,9 +73,9 @@
                 android:defaultValue="light"
                 android:entries="@array/themeNames"
                 android:entryValues="@array/themeValues"/>
-    </android.support.v7.preference.PreferenceCategory>
+    </PreferenceCategory>
 
-    <android.support.v7.preference.PreferenceCategory android:title="@string/appcompatibility"
+    <PreferenceCategory android:title="@string/appcompatibility"
                                                       android:key="pref_category_appcompatibility">
         <SwitchPreference
                 android:title="@string/show_incompat_versions"
@@ -89,9 +89,9 @@
                 android:title="@string/force_touch_apps"
                 android:defaultValue="false"
                 android:key="ignoreTouchscreen"/>
-    </android.support.v7.preference.PreferenceCategory>
+    </PreferenceCategory>
 
-    <android.support.v7.preference.PreferenceCategory android:title="@string/proxy">
+    <PreferenceCategory android:title="@string/proxy">
         <SwitchPreference
                 android:key="useTor"
                 android:summary="@string/useTorSummary"
@@ -111,9 +111,9 @@
                 android:title="@string/proxy_port"
                 android:summary="@string/proxy_port_summary"
                 android:dependency="enableProxy"/>
-    </android.support.v7.preference.PreferenceCategory>
+    </PreferenceCategory>
 
-    <android.support.v7.preference.PreferenceCategory
+    <PreferenceCategory
             android:key="pref_category_privacy"
             android:title="@string/privacy">
         <SwitchPreference
@@ -126,9 +126,9 @@
                 android:key="preventScreenshots"
                 android:summary="@string/preventScreenshots_summary"
                 android:title="@string/preventScreenshots_title"/>
-    </android.support.v7.preference.PreferenceCategory>
+    </PreferenceCategory>
 
-    <android.support.v7.preference.PreferenceCategory
+    <PreferenceCategory
             android:title="@string/other"
             android:key="pref_category_other">
         <ListPreference
@@ -177,6 +177,6 @@
                 android:key="privilegedInstaller"
                 android:persistent="false"
                 android:dependency="expert"/>
-    </android.support.v7.preference.PreferenceCategory>
+    </PreferenceCategory>
 
-</android.support.v7.preference.PreferenceScreen>
+</PreferenceScreen>

app/src/full/java/org/fdroid/fdroid/nearby/BluetoothManager.java

@@ -10,7 +10,7 @@ import android.os.Handler;
 import android.os.HandlerThread;
 import android.os.Message;
 import android.os.Process;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 import android.text.TextUtils;
 import android.util.Log;
 import org.fdroid.fdroid.R;

app/src/full/java/org/fdroid/fdroid/nearby/BonjourManager.java

@@ -7,7 +7,7 @@ import android.os.Handler;
 import android.os.HandlerThread;
 import android.os.Message;
 import android.os.Process;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 import android.text.TextUtils;
 import android.util.Log;
 import org.fdroid.fdroid.FDroidApp;

app/src/full/java/org/fdroid/fdroid/nearby/LocalHTTPDManager.java

@@ -6,7 +6,7 @@ import android.os.Handler;
 import android.os.HandlerThread;
 import android.os.Message;
 import android.os.Process;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 import android.util.Log;
 import org.fdroid.fdroid.FDroidApp;
 import org.fdroid.fdroid.Preferences;

app/src/full/java/org/fdroid/fdroid/nearby/LocalRepoManager.java

@@ -10,8 +10,8 @@ import android.graphics.Bitmap.Config;
 import android.graphics.Canvas;
 import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.text.TextUtils;
 import android.util.Log;
 import org.fdroid.fdroid.FDroidApp;

app/src/full/java/org/fdroid/fdroid/nearby/LocalRepoService.java

@@ -4,7 +4,7 @@ import android.app.IntentService;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Process;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 import org.fdroid.fdroid.FDroidApp;
 import org.fdroid.fdroid.R;
 import org.fdroid.fdroid.Utils;

app/src/full/java/org/fdroid/fdroid/nearby/SDCardScannerService.java

@@ -28,7 +28,7 @@ import android.net.Uri;
 import android.os.Build;
 import android.os.Environment;
 import android.os.Process;
-import android.support.v4.content.ContextCompat;
+import androidx.core.content.ContextCompat;
 import android.util.Log;
 import org.fdroid.fdroid.IndexUpdater;
 import org.fdroid.fdroid.IndexV1Updater;

app/src/full/java/org/fdroid/fdroid/nearby/SelectAppsView.java

@@ -8,12 +8,12 @@ import android.graphics.PorterDuff;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.os.Bundle;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
-import android.support.v4.app.LoaderManager;
+import androidx.loader.app.LoaderManager;
-import android.support.v4.content.CursorLoader;
+import androidx.loader.content.CursorLoader;
-import android.support.v4.content.Loader;
+import androidx.loader.content.Loader;
-import android.support.v4.widget.CursorAdapter;
+import androidx.cursoradapter.widget.CursorAdapter;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.view.ContextThemeWrapper;

app/src/full/java/org/fdroid/fdroid/nearby/StartSwapView.java

@@ -7,9 +7,9 @@ import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.net.wifi.WifiConfiguration;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
-import android.support.v7.widget.SwitchCompat;
+import androidx.appcompat.widget.SwitchCompat;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.view.LayoutInflater;

app/src/full/java/org/fdroid/fdroid/nearby/SwapService.java

@@ -16,10 +16,10 @@ import android.net.wifi.WifiManager;
 import android.os.AsyncTask;
 import android.os.Build;
 import android.os.IBinder;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
-import android.support.v4.app.NotificationCompat;
+import androidx.core.app.NotificationCompat;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 import android.text.TextUtils;
 import android.util.Log;
 import cc.mvdan.accesspoint.WifiApControl;

app/src/full/java/org/fdroid/fdroid/nearby/SwapSuccessView.java

@@ -12,13 +12,13 @@ import android.database.Cursor;
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.Handler;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
-import android.support.v4.app.LoaderManager;
+import androidx.loader.app.LoaderManager;
-import android.support.v4.content.CursorLoader;
+import androidx.loader.content.CursorLoader;
-import android.support.v4.content.Loader;
+import androidx.loader.content.Loader;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
-import android.support.v4.widget.CursorAdapter;
+import androidx.cursoradapter.widget.CursorAdapter;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.util.Log;

app/src/full/java/org/fdroid/fdroid/nearby/SwapView.java

@@ -3,8 +3,8 @@ package org.fdroid.fdroid.nearby;
 import android.annotation.TargetApi;
 import android.content.Context;
 import android.content.res.TypedArray;
-import android.support.annotation.ColorInt;
+import androidx.annotation.ColorInt;
-import android.support.annotation.LayoutRes;
+import androidx.annotation.LayoutRes;
 import android.util.AttributeSet;
 import android.widget.RelativeLayout;
 import org.fdroid.fdroid.R;

app/src/full/java/org/fdroid/fdroid/nearby/SwapWorkflowActivity.java

@@ -17,17 +17,17 @@ import android.os.Build;
 import android.os.Bundle;
 import android.os.IBinder;
 import android.provider.Settings;
-import android.support.annotation.LayoutRes;
+import androidx.annotation.LayoutRes;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
-import android.support.annotation.StringRes;
+import androidx.annotation.StringRes;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
-import android.support.v4.view.MenuItemCompat;
+import androidx.core.view.MenuItemCompat;
-import android.support.v7.app.AlertDialog;
+import androidx.appcompat.app.AlertDialog;
-import android.support.v7.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatActivity;
-import android.support.v7.widget.SearchView;
+import androidx.appcompat.widget.SearchView;
-import android.support.v7.widget.SwitchCompat;
+import androidx.appcompat.widget.SwitchCompat;
-import android.support.v7.widget.Toolbar;
+import androidx.appcompat.widget.Toolbar;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.LayoutInflater;
@@ -692,6 +692,7 @@ public class SwapWorkflowActivity extends AppCompatActivity {
 
     @Override
     public void onActivityResult(int requestCode, int resultCode, Intent intent) {
+        super.onActivityResult(requestCode, resultCode, intent);
         IntentResult scanResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, intent);
         if (scanResult != null) {
             if (scanResult.getContents() != null) {

app/src/full/java/org/fdroid/fdroid/nearby/TreeUriScannerIntentService.java

@@ -28,7 +28,7 @@ import android.content.Intent;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Process;
-import android.support.v4.provider.DocumentFile;
+import androidx.documentfile.provider.DocumentFile;
 import android.util.Log;
 import android.widget.Toast;
 import org.apache.commons.io.FileUtils;

app/src/full/java/org/fdroid/fdroid/nearby/TreeUriUtils.java

@@ -7,7 +7,7 @@ import android.net.Uri;
 import android.os.Build;
 import android.os.storage.StorageManager;
 import android.provider.DocumentsContract;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import java.io.File;
 import java.lang.reflect.Array;

app/src/full/java/org/fdroid/fdroid/nearby/UsbDeviceAttachedReceiver.java

@@ -33,8 +33,8 @@ import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
-import android.support.annotation.RequiresApi;
+import androidx.annotation.RequiresApi;
 import android.text.TextUtils;
 import android.util.Log;
 import org.fdroid.fdroid.views.main.MainActivity;

app/src/full/java/org/fdroid/fdroid/nearby/UsbDeviceDetachedReceiver.java

@@ -33,8 +33,8 @@ import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
-import android.support.annotation.RequiresApi;
+import androidx.annotation.RequiresApi;
 import android.text.TextUtils;
 import android.util.Log;
 import org.fdroid.fdroid.views.main.MainActivity;

app/src/full/java/org/fdroid/fdroid/nearby/WifiStateChangeService.java

@@ -10,8 +10,8 @@ import android.net.wifi.WifiConfiguration;
 import android.net.wifi.WifiInfo;
 import android.net.wifi.WifiManager;
 import android.os.Build;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 import android.text.TextUtils;
 import android.util.Log;
 import cc.mvdan.accesspoint.WifiApControl;

app/src/full/java/org/fdroid/fdroid/nearby/peers/BluetoothPeer.java

@@ -3,7 +3,7 @@ package org.fdroid.fdroid.nearby.peers;
 import android.bluetooth.BluetoothClass.Device;
 import android.bluetooth.BluetoothDevice;
 import android.os.Parcel;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.text.TextUtils;
 import org.fdroid.fdroid.R;
 

app/src/full/java/org/fdroid/fdroid/nearby/peers/BonjourPeer.java

@@ -2,7 +2,7 @@ package org.fdroid.fdroid.nearby.peers;
 
 import android.net.Uri;
 import android.os.Parcel;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.text.TextUtils;
 import org.fdroid.fdroid.FDroidApp;
 

app/src/full/java/org/fdroid/fdroid/nearby/peers/Peer.java

@@ -1,7 +1,7 @@
 package org.fdroid.fdroid.nearby.peers;
 
 import android.os.Parcelable;
-import android.support.annotation.DrawableRes;
+import androidx.annotation.DrawableRes;
 
 /**
  * TODO This model assumes that "peers" from Bluetooth, Bonjour, and WiFi are

app/src/full/java/org/fdroid/fdroid/panic/CalculatorActivity.java

@@ -1,9 +1,9 @@
 package org.fdroid.fdroid.panic;
 
 import android.os.Bundle;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
-import android.support.v7.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatActivity;
-import android.support.v7.widget.Toolbar;
+import androidx.appcompat.widget.Toolbar;
 import android.view.View;
 import android.widget.Button;
 import android.widget.TextView;

app/src/full/java/org/fdroid/fdroid/panic/DestructiveCheckBoxPreference.java

@@ -2,8 +2,8 @@ package org.fdroid.fdroid.panic;
 
 import android.content.Context;
 import android.content.res.Resources;
-import android.support.v7.preference.CheckBoxPreference;
+import androidx.preference.CheckBoxPreference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import org.fdroid.fdroid.FDroidApp;
 import org.fdroid.fdroid.R;

app/src/full/java/org/fdroid/fdroid/panic/DestructivePreference.java

@@ -1,8 +1,8 @@
 package org.fdroid.fdroid.panic;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import org.fdroid.fdroid.FDroidApp;
 import org.fdroid.fdroid.R;

app/src/full/java/org/fdroid/fdroid/panic/ExitActivity.java

@@ -3,7 +3,7 @@ package org.fdroid.fdroid.panic;
 import android.content.Intent;
 import android.os.Build;
 import android.os.Bundle;
-import android.support.v7.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatActivity;
 
 public class ExitActivity extends AppCompatActivity {
 

app/src/full/java/org/fdroid/fdroid/panic/HidingManager.java

@@ -7,8 +7,8 @@ import android.content.Intent;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.ServiceInfo;
-import android.support.v4.app.NotificationManagerCompat;
+import androidx.core.app.NotificationManagerCompat;
-import android.support.v7.app.AlertDialog;
+import androidx.appcompat.app.AlertDialog;
 import org.fdroid.fdroid.BuildConfig;
 import org.fdroid.fdroid.R;
 import org.fdroid.fdroid.views.main.MainActivity;

app/src/full/java/org/fdroid/fdroid/panic/PanicPreferencesActivity.java

@@ -1,9 +1,9 @@
 package org.fdroid.fdroid.panic;
 
 import android.os.Bundle;
-import android.support.v7.app.ActionBar;
+import androidx.appcompat.app.ActionBar;
-import android.support.v7.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatActivity;
-import android.support.v7.widget.Toolbar;
+import androidx.appcompat.widget.Toolbar;
 import android.view.MenuItem;
 import org.fdroid.fdroid.FDroidApp;
 import org.fdroid.fdroid.R;

app/src/full/java/org/fdroid/fdroid/panic/PanicPreferencesFragment.java

@@ -13,15 +13,16 @@ import android.graphics.PorterDuff;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.os.Bundle;
-import android.support.annotation.ColorInt;
+import androidx.annotation.ColorInt;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
-import android.support.v14.preference.PreferenceFragment;
+import androidx.core.content.ContextCompat;
-import android.support.v4.content.ContextCompat;
+import androidx.appcompat.app.AlertDialog;
-import android.support.v7.app.AlertDialog;
+import androidx.preference.CheckBoxPreference;
-import android.support.v7.preference.CheckBoxPreference;
+import androidx.preference.ListPreference;
-import android.support.v7.preference.ListPreference;
+import androidx.preference.Preference;
-import android.support.v7.preference.Preference;
+import androidx.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.preference.PreferenceFragmentCompat;
+
 import android.text.TextUtils;
 import android.util.TypedValue;
 import info.guardianproject.panic.Panic;
@@ -33,7 +34,7 @@ import org.fdroid.fdroid.installer.PrivilegedInstaller;
 import java.util.ArrayList;
 import java.util.Set;
 
-public class PanicPreferencesFragment extends PreferenceFragment
+public class PanicPreferencesFragment extends PreferenceFragmentCompat
         implements SharedPreferences.OnSharedPreferenceChangeListener {
 
     private static final String PREF_APP = "pref_panic_app";

app/src/full/java/org/fdroid/fdroid/panic/PanicResponderActivity.java

@@ -7,8 +7,8 @@ import android.content.Context;
 import android.content.Intent;
 import android.os.Build;
 import android.os.Bundle;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
-import android.support.v7.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatActivity;
 import android.util.Log;
 import info.guardianproject.panic.Panic;
 import info.guardianproject.panic.PanicResponder;

app/src/full/java/org/fdroid/fdroid/panic/SelectInstalledAppListAdapter.java

@@ -1,7 +1,7 @@
 package org.fdroid.fdroid.panic;
 
 import android.app.Activity;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 import android.view.View;
 import android.view.ViewGroup;
 import org.fdroid.fdroid.Preferences;

app/src/full/java/org/fdroid/fdroid/panic/SelectInstalledAppListItemController.java

@@ -1,8 +1,8 @@
 package org.fdroid.fdroid.panic;
 
 import android.app.Activity;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.view.View;
 import org.fdroid.fdroid.AppUpdateStatusManager;
 import org.fdroid.fdroid.data.App;

app/src/full/java/org/fdroid/fdroid/panic/SelectInstalledAppsActivity.java

@@ -25,14 +25,14 @@ import android.database.Cursor;
 import android.graphics.LightingColorFilter;
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.v4.app.LoaderManager;
+import androidx.loader.app.LoaderManager;
-import android.support.v4.content.CursorLoader;
+import androidx.loader.content.CursorLoader;
-import android.support.v4.content.Loader;
+import androidx.loader.content.Loader;
-import android.support.v7.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatActivity;
-import android.support.v7.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
-import android.support.v7.widget.Toolbar;
+import androidx.appcompat.widget.Toolbar;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;

app/src/full/java/org/fdroid/fdroid/views/main/CategoriesViewBinder.java

@@ -3,14 +3,14 @@ package org.fdroid.fdroid.views.main;
 import android.content.Intent;
 import android.database.Cursor;
 import android.os.Bundle;
-import android.support.design.widget.FloatingActionButton;
+import com.google.android.material.floatingactionbutton.FloatingActionButton;
-import android.support.v4.app.LoaderManager;
+import androidx.loader.app.LoaderManager;
-import android.support.v4.content.CursorLoader;
+import androidx.loader.content.CursorLoader;
-import android.support.v4.content.Loader;
+import androidx.loader.content.Loader;
-import android.support.v4.widget.SwipeRefreshLayout;
+import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
-import android.support.v7.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatActivity;
-import android.support.v7.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.View;
 import android.widget.FrameLayout;
 import android.widget.TextView;

app/src/full/java/org/fdroid/fdroid/views/main/MainViewController.java

@@ -1,9 +1,9 @@
 package org.fdroid.fdroid.views.main;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
-import android.support.v4.app.Fragment;
+import androidx.fragment.app.Fragment;
-import android.support.v7.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatActivity;
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 import android.widget.FrameLayout;
 import org.fdroid.fdroid.R;
 import org.fdroid.fdroid.views.PreferencesFragment;

app/src/full/java/org/fdroid/fdroid/views/main/NearbyViewBinder.java

@@ -13,9 +13,9 @@ import android.os.Build;
 import android.os.Environment;
 import android.os.storage.StorageManager;
 import android.os.storage.StorageVolume;
-import android.support.annotation.RequiresApi;
+import androidx.annotation.RequiresApi;
-import android.support.v4.app.ActivityCompat;
+import androidx.core.app.ActivityCompat;
-import android.support.v4.content.ContextCompat;
+import androidx.core.content.ContextCompat;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.View;

app/src/full/res/layout/activity_calculator.xml

@@ -1,12 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     tools:context=".panic.CalculatorActivity">
 
-    <android.support.v7.widget.Toolbar
+    <androidx.appcompat.widget.Toolbar
         android:id="@+id/toolbar"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
@@ -288,4 +288,4 @@
         app:layout_constraintTop_toTopOf="@+id/three"
         tools:ignore="HardcodedText" />
 
-</android.support.constraint.ConstraintLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/full/res/layout/activity_panic_settings.xml

@@ -5,7 +5,7 @@
     android:layout_height="match_parent"
     android:orientation="vertical">
 
-    <android.support.v7.widget.Toolbar
+    <androidx.appcompat.widget.Toolbar
         android:id="@+id/toolbar"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"

app/src/full/res/layout/dialog_app_hiding.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
@@ -57,4 +57,4 @@
         app:layout_constraintStart_toStartOf="@+id/launcherIcon"
         app:layout_constraintTop_toBottomOf="@+id/launcherIcon" />
 
-</android.support.constraint.ConstraintLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/full/res/layout/main_tab_categories.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.design.widget.CoordinatorLayout
+<androidx.coordinatorlayout.widget.CoordinatorLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
@@ -7,12 +7,12 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
-    <android.support.v4.widget.SwipeRefreshLayout
+    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:id="@+id/swipe_to_refresh">
 
-        <android.support.constraint.ConstraintLayout
+        <androidx.constraintlayout.widget.ConstraintLayout
             android:layout_width="match_parent"
             android:layout_height="match_parent">
 
@@ -36,7 +36,7 @@
                 android:visibility="gone"
                 android:text="@string/categories__empty_state__no_categories" />
 
-            <android.support.v7.widget.RecyclerView
+            <androidx.recyclerview.widget.RecyclerView
                 android:id="@+id/category_list"
                 android:layout_width="0dp"
                 android:layout_height="0dp"
@@ -57,6 +57,6 @@
                 android:layout_marginEnd="@dimen/fab_margin"
                 android:layout_marginRight="@dimen/fab_margin" />
 
-        </android.support.constraint.ConstraintLayout>
+        </androidx.constraintlayout.widget.ConstraintLayout>
-    </android.support.v4.widget.SwipeRefreshLayout>
+    </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
-</android.support.design.widget.CoordinatorLayout>
+</androidx.coordinatorlayout.widget.CoordinatorLayout>

app/src/full/res/layout/main_tab_swap.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout
+<androidx.constraintlayout.widget.ConstraintLayout
         xmlns:android="http://schemas.android.com/apk/res/android"
         xmlns:app="http://schemas.android.com/apk/res-auto"
         xmlns:tools="http://schemas.android.com/tools"
@@ -128,4 +128,4 @@
             app:layout_constraintTop_toBottomOf="@+id/storage_volume_text"
             android:visibility="gone"/>
 
-</android.support.constraint.ConstraintLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/full/res/layout/swap_activity.xml

@@ -6,7 +6,7 @@
         android:layout_height="match_parent"
         android:orientation="vertical">
 
-    <android.support.v7.widget.Toolbar
+    <androidx.appcompat.widget.Toolbar
             android:id="@+id/toolbar"
             android:layout_height="wrap_content"
             android:layout_width="match_parent"

app/src/full/res/layout/swap_start_swap.xml

@@ -54,7 +54,7 @@
 
         </LinearLayout>
 
-        <android.support.v7.widget.SwitchCompat
+        <androidx.appcompat.widget.SwitchCompat
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:enabled="false"
@@ -112,7 +112,7 @@
 
         </LinearLayout>
 
-        <android.support.v7.widget.SwitchCompat
+        <androidx.appcompat.widget.SwitchCompat
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:id="@+id/switch_wifi"/>

app/src/full/res/xml/preferences_panic.xml

@@ -1,19 +1,19 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.v7.preference.PreferenceScreen
+<PreferenceScreen
         xmlns:android="http://schemas.android.com/apk/res/android"
         xmlns:tools="http://schemas.android.com/tools">
 
-    <android.support.v7.preference.CheckBoxPreference
+    <CheckBoxPreference
             android:defaultValue="true"
             android:key="pref_panic_exit"
             android:summary="@string/panic_exit_summary"
             android:title="@string/panic_exit_title"/>
 
-    <android.support.v7.preference.PreferenceCategory
+    <PreferenceCategory
             android:key="pref_panic_destructive_actions"
             android:title="@string/panic_destructive_actions">
 
-        <android.support.v7.preference.ListPreference
+        <ListPreference
                 android:key="pref_panic_app"
                 android:summary="@string/panic_app_setting_summary"
                 android:title="@string/panic_app_setting_title"
@@ -33,12 +33,12 @@
                 android:summary="@string/panic_reset_repos_summary"
                 android:title="@string/panic_reset_repos_title"/>
 
-    </android.support.v7.preference.PreferenceCategory>
+    </PreferenceCategory>
 
-    <android.support.v7.preference.PreferenceCategory
+    <PreferenceCategory
             android:key="pref_panic_apps_to_uninstall"
             android:title="@string/panic_apps_to_uninstall">
 
-    </android.support.v7.preference.PreferenceCategory>
+    </PreferenceCategory>
 
-</android.support.v7.preference.PreferenceScreen>
+</PreferenceScreen>

app/src/main/AndroidManifest.xml

@@ -26,11 +26,6 @@
           package="org.fdroid.fdroid"
           android:installLocation="auto">
 
-    <uses-sdk
-            android:minSdkVersion="14"
-            android:targetSdkVersion="25"
-    />
-
     <supports-screens
             android:anyDensity="true"
             android:largeScreens="true"
@@ -124,7 +119,7 @@
                     android:resource="@xml/apk_file_provider"/>
         </provider>
         <provider
-                android:name="android.support.v4.content.FileProvider"
+                android:name="androidx.core.content.FileProvider"
                 android:authorities="${applicationId}.installer"
                 android:exported="false"
                 android:grantUriPermissions="true">

app/src/main/java/com/google/zxing/integration/android/IntentIntegrator.java

@@ -25,7 +25,7 @@ import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.net.Uri;
 import android.os.Bundle;
-import android.support.v4.app.Fragment;
+import androidx.fragment.app.Fragment;
 import android.util.Log;
 
 import java.util.Arrays;

app/src/main/java/org/fdroid/fdroid/AboutActivity.java

@@ -1,8 +1,8 @@
 package org.fdroid.fdroid;
 
 import android.os.Bundle;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
-import android.support.v7.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatActivity;
 import android.view.View;
 import android.widget.TextView;
 

app/src/main/java/org/fdroid/fdroid/AddRepoIntentService.java

@@ -5,8 +5,8 @@ import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.text.TextUtils;
 import android.util.Log;
 import org.fdroid.fdroid.data.Repo;

app/src/main/java/org/fdroid/fdroid/AppUpdateStatusManager.java

@@ -9,10 +9,10 @@ import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
-import android.support.v4.app.TaskStackBuilder;
+import androidx.core.app.TaskStackBuilder;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 import org.fdroid.fdroid.data.Apk;
 import org.fdroid.fdroid.data.App;
 import org.fdroid.fdroid.data.AppProvider;

app/src/main/java/org/fdroid/fdroid/CleanCacheService.java

@@ -10,8 +10,8 @@ import android.content.Intent;
 import android.os.Build;
 import android.os.Process;
 import android.os.SystemClock;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.v4.app.JobIntentService;
+import androidx.core.app.JobIntentService;
 import org.apache.commons.io.FileUtils;
 import org.fdroid.fdroid.installer.ApkCache;
 

app/src/main/java/org/fdroid/fdroid/CleanCacheService21.java

@@ -1,17 +1,18 @@
 package org.fdroid.fdroid;
 
-import android.annotation.TargetApi;
 import android.system.ErrnoException;
 import android.system.Os;
 import android.system.StructStat;
 
+import androidx.annotation.RequiresApi;
+
 import java.io.File;
 
 /**
  * Helper class to prevent {@link VerifyError}s from occurring in {@link CleanCacheService#clearOldFiles(File, long)}
  * due to the fact that {@link Os} was only introduced in API 21.
  */
-@TargetApi(21)
+@RequiresApi(21)
 class CleanCacheService21 {
     static void deleteIfOld(File file, long olderThan) {
         if (file == null || !file.exists()) {

app/src/main/java/org/fdroid/fdroid/CompatibilityChecker.java

@@ -4,7 +4,7 @@ import android.content.Context;
 import android.content.pm.FeatureInfo;
 import android.content.pm.PackageManager;
 import android.os.Build;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import org.fdroid.fdroid.compat.SupportedArchitectures;
 import org.fdroid.fdroid.data.Apk;
 

app/src/main/java/org/fdroid/fdroid/DeleteCacheService.java

@@ -3,9 +3,9 @@ package org.fdroid.fdroid;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Process;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.v4.app.JobIntentService;
+import androidx.core.app.JobIntentService;
-import android.support.v4.content.ContextCompat;
+import androidx.core.content.ContextCompat;
 import android.util.Log;
 import org.apache.commons.io.FileUtils;
 

app/src/main/java/org/fdroid/fdroid/FDroidApp.java

@@ -40,8 +40,8 @@ import android.net.Uri;
 import android.os.Build;
 import android.os.Environment;
 import android.os.StrictMode;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
-import android.support.v4.util.LongSparseArray;
+import androidx.collection.LongSparseArray;
 import android.text.TextUtils;
 import android.util.Base64;
 import android.util.Log;

app/src/main/java/org/fdroid/fdroid/IndexUpdater.java

@@ -27,7 +27,7 @@ import android.content.ContentResolver;
 import android.content.ContentValues;
 import android.content.Context;
 import android.content.pm.PackageInfo;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 import android.text.TextUtils;
 import android.util.Log;
 import org.fdroid.fdroid.data.Apk;

app/src/main/java/org/fdroid/fdroid/IndexV1Updater.java

@@ -25,7 +25,7 @@ package org.fdroid.fdroid;
 import android.content.ContentValues;
 import android.content.Context;
 import android.net.Uri;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 import android.text.TextUtils;
 import android.util.Log;
 import com.fasterxml.jackson.annotation.JsonAutoDetect;

app/src/main/java/org/fdroid/fdroid/NfcNotEnabledActivity.java

@@ -6,7 +6,7 @@ import android.nfc.NfcAdapter;
 import android.os.Build;
 import android.os.Bundle;
 import android.provider.Settings;
-import android.support.v7.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatActivity;
 
 // aka Android 4.0 aka Ice Cream Sandwich
 public class NfcNotEnabledActivity extends AppCompatActivity {

app/src/main/java/org/fdroid/fdroid/NotificationHelper.java

@@ -12,10 +12,10 @@ import android.graphics.Point;
 import android.graphics.Typeface;
 import android.graphics.drawable.Drawable;
 import android.os.Build;
-import android.support.v4.app.NotificationCompat;
+import androidx.core.app.NotificationCompat;
-import android.support.v4.app.NotificationManagerCompat;
+import androidx.core.app.NotificationManagerCompat;
-import android.support.v4.content.ContextCompat;
+import androidx.core.content.ContextCompat;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 import android.text.SpannableStringBuilder;
 import android.text.Spanned;
 import android.text.TextUtils;

app/src/main/java/org/fdroid/fdroid/Preferences.java

@@ -28,7 +28,7 @@ import android.content.SharedPreferences;
 import android.net.ConnectivityManager;
 import android.net.NetworkInfo;
 import android.os.Build;
-import android.support.v7.preference.PreferenceManager;
+import androidx.preference.PreferenceManager;
 import android.text.format.DateUtils;
 import android.util.Log;
 import org.fdroid.fdroid.installer.PrivilegedInstaller;
@@ -239,7 +239,7 @@ public final class Preferences implements SharedPreferences.OnSharedPreferenceCh
 
     /**
      * The original preference was a {@link String}, now it must be a {@link Integer}
-     * since {@link android.support.v7.preference.SeekBarPreference} uses it
+     * since {@link androidx.preference.SeekBarPreference} uses it
      * directly.
      */
     private boolean migrateUpdateIntervalStringToInt(SharedPreferences.Editor editor) {

app/src/main/java/org/fdroid/fdroid/ProgressBufferedInputStream.java

@@ -1,6 +1,6 @@
 package org.fdroid.fdroid;
 
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 import java.io.BufferedInputStream;
 import java.io.IOException;

app/src/main/java/org/fdroid/fdroid/UpdateJobService.java

@@ -6,7 +6,7 @@ import android.app.job.JobService;
 
 /**
  * Interface between the new {@link android.app.job.JobScheduler} API and
- * {@link UpdateService}, which is based on {@link android.support.v4.app.JobIntentService}.
+ * {@link UpdateService}, which is based on {@link androidx.core.app.JobIntentService}.
  *
  * @see <a href="https://developer.android.com/about/versions/android-5.0.html#Power">Project Volta: Scheduling jobs</a>
  */

app/src/main/java/org/fdroid/fdroid/UpdateService.java

@@ -34,10 +34,10 @@ import android.os.AsyncTask;
 import android.os.Build;
 import android.os.Process;
 import android.os.SystemClock;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.v4.app.JobIntentService;
+import androidx.core.app.JobIntentService;
-import android.support.v4.app.NotificationCompat;
+import androidx.core.app.NotificationCompat;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 import android.text.TextUtils;
 import android.util.Log;
 import android.widget.Toast;

app/src/main/java/org/fdroid/fdroid/Utils.java

@@ -32,10 +32,10 @@ import android.os.Build;
 import android.os.Handler;
 import android.os.Looper;
 import android.os.StatFs;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
-import android.support.annotation.RequiresApi;
+import androidx.annotation.RequiresApi;
-import android.support.v4.widget.SwipeRefreshLayout;
+import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
 import android.text.Editable;
 import android.text.Html;
 import android.text.SpannableStringBuilder;
@@ -864,7 +864,7 @@ public final class Utils {
      * Converts a {@code long} bytes value, like from {@link File#length()}, to
      * an {@code int} value that is kilobytes, suitable for things like
      * {@link android.widget.ProgressBar#setMax(int)} or
-     * {@link android.support.v4.app.NotificationCompat.Builder#setProgress(int, int, boolean)}
+     * {@link androidx.core.app.NotificationCompat.Builder#setProgress(int, int, boolean)}
      */
     public static int bytesToKb(long bytes) {
         return (int) (bytes / 1024);
@@ -874,7 +874,7 @@ public final class Utils {
      * Converts two {@code long} bytes values, like from {@link File#length()}, to
      * an {@code int} value that is a percentage, suitable for things like
      * {@link android.widget.ProgressBar#setMax(int)} or
-     * {@link android.support.v4.app.NotificationCompat.Builder#setProgress(int, int, boolean)}.
+     * {@link androidx.core.app.NotificationCompat.Builder#setProgress(int, int, boolean)}.
      * {@code total} must never be zero!
      */
     public static int getPercent(long current, long total) {

app/src/main/java/org/fdroid/fdroid/acra/CrashReportActivity.java

@@ -2,7 +2,7 @@ package org.fdroid.fdroid.acra;
 
 import android.content.DialogInterface;
 import android.os.Bundle;
-import android.support.v7.app.AlertDialog;
+import androidx.appcompat.app.AlertDialog;
 import android.widget.EditText;
 
 import org.acra.dialog.BaseCrashReportDialog;

app/src/main/java/org/fdroid/fdroid/acra/CrashReportSender.java

@@ -4,7 +4,7 @@ package org.fdroid.fdroid.acra;
 import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 import org.acra.ReportField;
 import org.acra.collections.ImmutableSet;
 import org.acra.collector.CrashReportData;

app/src/main/java/org/fdroid/fdroid/acra/CrashReportSenderFactory.java

@@ -1,7 +1,7 @@
 package org.fdroid.fdroid.acra;
 
 import android.content.Context;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 import org.acra.config.ACRAConfiguration;
 import org.acra.sender.ReportSender;

app/src/main/java/org/fdroid/fdroid/compat/FileCompat.java

@@ -5,6 +5,8 @@ import android.os.Build;
 import android.system.ErrnoException;
 import android.util.Log;
 
+import androidx.annotation.RequiresApi;
+
 import org.fdroid.fdroid.FDroidApp;
 import org.fdroid.fdroid.Utils;
 import org.fdroid.fdroid.data.SanitizedFile;
@@ -40,6 +42,7 @@ public class FileCompat {
      * not attempt to load this class at runtime. Otherwise, using the Os.symlink method will cause
      * a VerifyError to be thrown at runtime when the FileCompat class is first used.
      */
+    @RequiresApi(Build.VERSION_CODES.LOLLIPOP)
     private static class Symlink21 {
 
         @TargetApi(21)

app/src/main/java/org/fdroid/fdroid/data/Apk.java

@@ -10,8 +10,8 @@ import android.os.Build;
 import android.os.Environment;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.text.TextUtils;
 import android.webkit.MimeTypeMap;
 import com.fasterxml.jackson.annotation.JacksonInject;

app/src/main/java/org/fdroid/fdroid/data/ApkProvider.java

@@ -6,8 +6,8 @@ import android.content.Context;
 import android.content.UriMatcher;
 import android.database.Cursor;
 import android.net.Uri;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.util.Log;
 import org.fdroid.fdroid.Utils;
 import org.fdroid.fdroid.data.Schema.AntiFeatureTable;

app/src/main/java/org/fdroid/fdroid/data/App.java

@@ -15,8 +15,8 @@ import android.os.Environment;
 import android.os.LocaleList;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.text.TextUtils;
 import android.util.Log;
 

app/src/main/java/org/fdroid/fdroid/data/AppPrefsProvider.java

@@ -5,8 +5,8 @@ import android.content.Context;
 import android.content.UriMatcher;
 import android.database.Cursor;
 import android.net.Uri;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import org.fdroid.fdroid.data.Schema.AppPrefsTable;
 import org.fdroid.fdroid.data.Schema.AppPrefsTable.Cols;
 

app/src/main/java/org/fdroid/fdroid/data/AppProvider.java

@@ -6,8 +6,8 @@ import android.content.Context;
 import android.content.UriMatcher;
 import android.database.Cursor;
 import android.net.Uri;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.text.TextUtils;
 import android.util.Log;
 import org.fdroid.fdroid.Preferences;

app/src/main/java/org/fdroid/fdroid/data/CategoryProvider.java

@@ -5,7 +5,7 @@ import android.content.Context;
 import android.content.UriMatcher;
 import android.database.Cursor;
 import android.net.Uri;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 import org.fdroid.fdroid.data.Schema.AppMetadataTable;
 import org.fdroid.fdroid.data.Schema.CatJoinTable;
 import org.fdroid.fdroid.data.Schema.CategoryTable;

app/src/main/java/org/fdroid/fdroid/data/FDroidProvider.java

@@ -8,7 +8,7 @@ import android.content.OperationApplicationException;
 import android.content.UriMatcher;
 import android.database.sqlite.SQLiteDatabase;
 import android.net.Uri;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 import org.fdroid.fdroid.BuildConfig;
 

app/src/main/java/org/fdroid/fdroid/data/InstalledAppProvider.java

@@ -9,8 +9,8 @@ import android.content.pm.PackageManager;
 import android.content.res.Resources;
 import android.database.Cursor;
 import android.net.Uri;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.text.TextUtils;
 import android.util.Log;
 import org.fdroid.fdroid.R;

app/src/main/java/org/fdroid/fdroid/data/InstalledAppProviderService.java

@@ -7,9 +7,9 @@ import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.net.Uri;
 import android.os.Process;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
-import android.support.v4.app.JobIntentService;
+import androidx.core.app.JobIntentService;
 import android.util.Log;
 import org.acra.ACRA;
 import org.fdroid.fdroid.AppUpdateStatusManager;

app/src/main/java/org/fdroid/fdroid/data/PackageProvider.java

@@ -5,7 +5,7 @@ import android.content.Context;
 import android.content.UriMatcher;
 import android.database.Cursor;
 import android.net.Uri;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 import org.fdroid.fdroid.data.Schema.PackageTable;
 import org.fdroid.fdroid.data.Schema.PackageTable.Cols;
 

app/src/main/java/org/fdroid/fdroid/data/QueryBuilder.java

@@ -1,6 +1,6 @@
 package org.fdroid.fdroid.data;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.text.TextUtils;
 
 import java.util.ArrayList;

app/src/main/java/org/fdroid/fdroid/data/RepoPersister.java

@@ -6,7 +6,7 @@ import android.content.Context;
 import android.content.OperationApplicationException;
 import android.net.Uri;
 import android.os.RemoteException;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 import org.fdroid.fdroid.CompatibilityChecker;
 import org.fdroid.fdroid.IndexUpdater;

app/src/main/java/org/fdroid/fdroid/data/RepoProvider.java

@@ -7,8 +7,8 @@ import android.content.Context;
 import android.content.UriMatcher;
 import android.database.Cursor;
 import android.net.Uri;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.text.TextUtils;
 import android.util.Log;
 import org.fdroid.fdroid.AppUpdateStatusManager;

app/src/main/java/org/fdroid/fdroid/data/RepoPushRequest.java

@@ -19,7 +19,7 @@
 
 package org.fdroid.fdroid.data;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import org.fdroid.fdroid.Utils;
 
 import java.util.Arrays;

app/src/main/java/org/fdroid/fdroid/data/RepoXMLHandler.java

@@ -21,8 +21,8 @@ package org.fdroid.fdroid.data;
 
 import android.Manifest;
 import android.os.Build;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import org.fdroid.fdroid.Utils;
 import org.fdroid.fdroid.data.Schema.ApkTable;
 import org.xml.sax.Attributes;

app/src/main/java/org/fdroid/fdroid/data/TempApkProvider.java

@@ -5,7 +5,7 @@ import android.content.Context;
 import android.content.UriMatcher;
 import android.database.sqlite.SQLiteDatabase;
 import android.net.Uri;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 import org.fdroid.fdroid.data.Schema.ApkTable;
 import org.fdroid.fdroid.data.Schema.ApkTable.Cols;

app/src/main/java/org/fdroid/fdroid/data/TempAppProvider.java

@@ -7,7 +7,7 @@ import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteException;
 import android.net.Uri;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 import android.text.TextUtils;
 import org.fdroid.fdroid.data.Schema.ApkTable;
 import org.fdroid.fdroid.data.Schema.AppMetadataTable;

app/src/main/java/org/fdroid/fdroid/installer/ApkFileProvider.java

@@ -24,7 +24,7 @@ import android.content.Intent;
 import android.content.pm.PackageInfo;
 import android.net.Uri;
 import android.os.Build;
-import android.support.v4.content.FileProvider;
+import androidx.core.content.FileProvider;
 import org.fdroid.fdroid.BuildConfig;
 import org.fdroid.fdroid.data.Apk;
 import org.fdroid.fdroid.data.SanitizedFile;