diff --git a/app/build.gradle b/app/build.gradle
index e36929b8d..71d48a067 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -12,51 +12,6 @@ def getVersionName = { ->
     return stdout.toString().trim()
 }
 
-dependencies {
-    implementation 'com.android.support:support-v4:27.1.1'
-    implementation 'com.android.support:appcompat-v7:27.1.1'
-    implementation 'com.android.support:gridlayout-v7:27.1.1'
-    implementation 'com.android.support:support-annotations:27.1.1'
-    implementation 'com.android.support:recyclerview-v7:27.1.1'
-    implementation 'com.android.support:cardview-v7:27.1.1'
-    implementation 'com.android.support:design:27.1.1'
-    implementation 'com.android.support:support-vector-drawable:27.1.1'
-    implementation 'com.android.support.constraint:constraint-layout:1.1.0'
-    implementation 'com.android.support:palette-v7:27.1.1'
-    implementation 'com.android.support:preference-v14:27.1.1'
-
-    implementation 'com.nostra13.universalimageloader:universal-image-loader:1.9.5'
-    implementation 'com.google.zxing:core:3.3.2'
-    implementation 'eu.chainfire:libsuperuser:1.0.0.201602271131'
-    implementation 'cc.mvdan.accesspoint:library:0.2.0'
-    implementation 'info.guardianproject.netcipher:netcipher:2.0.0-alpha1'
-    implementation 'info.guardianproject.panic:panic:0.5'
-    implementation 'commons-io:commons-io:2.5'
-    implementation 'commons-net:commons-net:3.5'
-    implementation 'org.jmdns:jmdns:3.5.3'
-    implementation 'org.nanohttpd:nanohttpd:2.3.1'
-    implementation 'ch.acra:acra:4.9.1'
-    implementation 'io.reactivex:rxjava:1.1.0'
-    implementation 'io.reactivex:rxandroid:0.23.0'
-    implementation 'com.hannesdorfmann:adapterdelegates3:3.0.1'
-    implementation 'com.ashokvarma.android:bottom-navigation-bar:2.0.4'
-
-    implementation 'com.fasterxml.jackson.core:jackson-core:2.8.7'
-    implementation 'com.fasterxml.jackson.core:jackson-annotations:2.8.7'
-    implementation 'com.fasterxml.jackson.core:jackson-databind:2.8.7'
-
-    implementation 'org.bouncycastle:bcpkix-jdk15on:1.59'
-    implementation 'org.bouncycastle:bcprov-jdk15on:1.59'
-
-    testImplementation 'org.robolectric:robolectric:3.8'
-    testImplementation 'junit:junit:4.12'
-    testImplementation 'org.mockito:mockito-core:2.7.22'
-
-    androidTestImplementation 'com.android.support:support-annotations:25.3.1'
-    androidTestImplementation 'com.android.support.test:runner:0.5'
-    androidTestImplementation 'com.android.support.test:rules:0.5'
-}
-
 def isCi = "true".equals(System.getenv("CI"))
 def preDexEnabled = "true".equals(System.getProperty("pre-dex", "true"))
 
@@ -179,6 +134,51 @@ android {
     }
 }
 
+dependencies {
+    implementation 'com.android.support:support-v4:27.1.1'
+    implementation 'com.android.support:appcompat-v7:27.1.1'
+    implementation 'com.android.support:gridlayout-v7:27.1.1'
+    implementation 'com.android.support:support-annotations:27.1.1'
+    implementation 'com.android.support:recyclerview-v7:27.1.1'
+    implementation 'com.android.support:cardview-v7:27.1.1'
+    implementation 'com.android.support:design:27.1.1'
+    implementation 'com.android.support:support-vector-drawable:27.1.1'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.0'
+    implementation 'com.android.support:palette-v7:27.1.1'
+    implementation 'com.android.support:preference-v14:27.1.1'
+
+    implementation 'com.nostra13.universalimageloader:universal-image-loader:1.9.5'
+    implementation 'com.google.zxing:core:3.3.2'
+    implementation 'eu.chainfire:libsuperuser:1.0.0.201602271131'
+    implementation 'cc.mvdan.accesspoint:library:0.2.0'
+    implementation 'info.guardianproject.netcipher:netcipher:2.0.0-alpha1'
+    implementation 'info.guardianproject.panic:panic:0.5'
+    implementation 'commons-io:commons-io:2.5'
+    implementation 'commons-net:commons-net:3.5'
+    implementation 'org.jmdns:jmdns:3.5.3'
+    implementation 'org.nanohttpd:nanohttpd:2.3.1'
+    implementation 'ch.acra:acra:4.9.1'
+    implementation 'io.reactivex:rxjava:1.1.0'
+    implementation 'io.reactivex:rxandroid:0.23.0'
+    implementation 'com.hannesdorfmann:adapterdelegates3:3.0.1'
+    implementation 'com.ashokvarma.android:bottom-navigation-bar:2.0.4'
+
+    implementation 'com.fasterxml.jackson.core:jackson-core:2.8.7'
+    implementation 'com.fasterxml.jackson.core:jackson-annotations:2.8.7'
+    implementation 'com.fasterxml.jackson.core:jackson-databind:2.8.7'
+
+    implementation 'org.bouncycastle:bcpkix-jdk15on:1.59'
+    implementation 'org.bouncycastle:bcprov-jdk15on:1.59'
+
+    testImplementation 'org.robolectric:robolectric:3.8'
+    testImplementation 'junit:junit:4.12'
+    testImplementation 'org.mockito:mockito-core:2.7.22'
+
+    androidTestImplementation 'com.android.support:support-annotations:25.3.1'
+    androidTestImplementation 'com.android.support.test:runner:0.5'
+    androidTestImplementation 'com.android.support.test:rules:0.5'
+}
+
 checkstyle {
     toolVersion = '7.2'
 }
diff --git a/app/src/main/java/org/fdroid/fdroid/Utils.java b/app/src/main/java/org/fdroid/fdroid/Utils.java
index 0f5c938f4..612313bab 100644
--- a/app/src/main/java/org/fdroid/fdroid/Utils.java
+++ b/app/src/main/java/org/fdroid/fdroid/Utils.java
@@ -59,7 +59,6 @@ import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
-import java.math.BigInteger;
 import java.nio.charset.Charset;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
@@ -528,12 +527,20 @@ public final class Utils {
      *
      * @param bytes an array of bytes.
      * @return the bytes represented as a string of hexadecimal digits.
+     * @see <a href="https://stackoverflow.com/a/9855338">source</a>
      */
-    private static String toHexString(byte[] bytes) {
-        BigInteger bi = new BigInteger(1, bytes);
-        return String.format("%0" + (bytes.length << 1) + "X", bi);
+    public static String toHexString(byte[] bytes) {
+        char[] hexChars = new char[bytes.length * 2];
+        for (int j = 0; j < bytes.length; j++) {
+            int v = bytes[j] & 0xFF;
+            hexChars[j * 2] = HEX_LOOKUP_ARRAY[v >>> 4];
+            hexChars[j * 2 + 1] = HEX_LOOKUP_ARRAY[v & 0x0F];
+        }
+        return new String(hexChars);
     }
 
+    private static final char[] HEX_LOOKUP_ARRAY = "0123456789ABCDEF".toCharArray();
+
     public static int parseInt(String str, int fallback) {
         if (str == null || str.length() == 0) {
             return fallback;
diff --git a/app/src/main/java/org/fdroid/fdroid/installer/ApkSignatureVerifier.java b/app/src/main/java/org/fdroid/fdroid/installer/ApkSignatureVerifier.java
index c200efba9..dc0c27485 100644
--- a/app/src/main/java/org/fdroid/fdroid/installer/ApkSignatureVerifier.java
+++ b/app/src/main/java/org/fdroid/fdroid/installer/ApkSignatureVerifier.java
@@ -26,7 +26,6 @@ import android.content.pm.PackageManager;
 import android.content.pm.Signature;
 import org.acra.ACRA;
 import org.fdroid.fdroid.Utils;
-import org.bouncycastle.util.encoders.Hex;
 
 import java.io.ByteArrayOutputStream;
 import java.io.File;
@@ -69,8 +68,8 @@ class ApkSignatureVerifier {
         }
 
         Utils.debugLog(TAG, "Signature mismatch!");
-        Utils.debugLog(TAG, "APK sig: " + Hex.toHexString(getApkSignature(apkFile)));
-        Utils.debugLog(TAG, "F-Droid sig: " + Hex.toHexString(getFDroidSignature()));
+        Utils.debugLog(TAG, "APK sig: " + Utils.toHexString(getApkSignature(apkFile)));
+        Utils.debugLog(TAG, "F-Droid sig: " + Utils.toHexString(getFDroidSignature()));
         return false;
     }
 
diff --git a/app/src/main/java/org/fdroid/fdroid/net/HttpDownloader.java b/app/src/main/java/org/fdroid/fdroid/net/HttpDownloader.java
index b8d9e66e6..218dd71a7 100644
--- a/app/src/main/java/org/fdroid/fdroid/net/HttpDownloader.java
+++ b/app/src/main/java/org/fdroid/fdroid/net/HttpDownloader.java
@@ -4,12 +4,12 @@ import android.annotation.TargetApi;
 import android.net.Uri;
 import android.os.Build;
 import android.text.TextUtils;
+import android.util.Base64;
 import info.guardianproject.netcipher.NetCipher;
 import org.apache.commons.io.FileUtils;
 import org.fdroid.fdroid.BuildConfig;
 import org.fdroid.fdroid.FDroidApp;
 import org.fdroid.fdroid.Utils;
-import org.bouncycastle.util.encoders.Base64;
 
 import java.io.BufferedInputStream;
 import java.io.File;
@@ -151,7 +151,8 @@ public class HttpDownloader extends Downloader {
         if (username != null && password != null) {
             // add authorization header from username / password if set
             String authString = username + ":" + password;
-            connection.setRequestProperty("Authorization", "Basic " + Base64.toBase64String(authString.getBytes()));
+            connection.setRequestProperty("Authorization", "Basic "
+                    + Base64.encodeToString(authString.getBytes(), Base64.NO_WRAP));
         }
         return connection;
     }
diff --git a/app/src/main/java/org/fdroid/fdroid/views/fragments/PreferencesFragment.java b/app/src/main/java/org/fdroid/fdroid/views/fragments/PreferencesFragment.java
index b8d5df5c8..ab2dc6936 100644
--- a/app/src/main/java/org/fdroid/fdroid/views/fragments/PreferencesFragment.java
+++ b/app/src/main/java/org/fdroid/fdroid/views/fragments/PreferencesFragment.java
@@ -1,3 +1,28 @@
+/*
+ * Copyright (C) 2014-2018 Hans-Christoph Steiner
+ * Copyright (C) 2014-2017 Peter Serwylo
+ * Copyright (C) 2015-2016 Daniel Martí
+ * Copyright (C) 2015 Dominik Schürmann
+ * Copyright (C) 2018 Torsten Grote
+ * Copyright (C) 2018 dkanada
+ * Copyright (C) 2018 Senecto Limited
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 3
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
 package org.fdroid.fdroid.views.fragments;
 
 import android.app.Activity;
@@ -24,6 +49,7 @@ import org.fdroid.fdroid.Languages;
 import org.fdroid.fdroid.Preferences;
 import org.fdroid.fdroid.R;
 import org.fdroid.fdroid.UpdateService;
+import org.fdroid.fdroid.Utils;
 import org.fdroid.fdroid.data.RepoProvider;
 import org.fdroid.fdroid.installer.InstallHistoryService;
 import org.fdroid.fdroid.installer.PrivilegedInstaller;
@@ -120,7 +146,11 @@ public class PreferencesFragment extends PreferenceFragment
 
     private void textSummary(String key, int resId) {
         EditTextPreference pref = (EditTextPreference) findPreference(key);
-        pref.setSummary(getString(resId, pref.getText()));
+        if (pref == null) {
+            Utils.debugLog(TAG, "null preference found for " + key);
+        } else {
+            pref.setSummary(getString(resId, pref.getText()));
+        }
     }
 
     private void setNetworkSeekBarSummary(SeekBarPreference seekBarPreference) {
diff --git a/app/src/main/java/org/fdroid/fdroid/views/main/MainActivity.java b/app/src/main/java/org/fdroid/fdroid/views/main/MainActivity.java
index bcf7813f0..185a1e364 100644
--- a/app/src/main/java/org/fdroid/fdroid/views/main/MainActivity.java
+++ b/app/src/main/java/org/fdroid/fdroid/views/main/MainActivity.java
@@ -1,3 +1,25 @@
+/*
+ * Copyright (C) 2016-2017 Peter Serwylo
+ * Copyright (C) 2017 Christine Emrich
+ * Copyright (C) 2017 Hans-Christoph Steiner
+ * Copyright (C) 2018 Senecto Limited
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 3
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
 package org.fdroid.fdroid.views.main;
 
 import android.app.SearchManager;
@@ -65,7 +87,7 @@ public class MainActivity extends AppCompatActivity implements BottomNavigationB
     private RecyclerView pager;
     private MainViewAdapter adapter;
     private BottomNavigationBar bottomNavigation;
-    private int selectedMenuId = R.id.whats_new;
+    private int selectedMenuId;
     private TextBadgeItem updatesBadge;
 
     @Override
@@ -110,7 +132,9 @@ public class MainActivity extends AppCompatActivity implements BottomNavigationB
         LocalBroadcastManager.getInstance(this).registerReceiver(onUpdateableAppsChanged, updateableAppsFilter);
 
         if (savedInstanceState != null) {
-            selectedMenuId = savedInstanceState.getInt(STATE_SELECTED_MENU_ID, R.id.whats_new);
+            selectedMenuId = savedInstanceState.getInt(STATE_SELECTED_MENU_ID, (int) adapter.getItemId(0));
+        } else {
+            selectedMenuId = (int) adapter.getItemId(0);
         }
         setSelectedMenuInNav();
 
diff --git a/app/src/main/res/values-v16/styles.xml b/app/src/main/res/values-v16/styles.xml
index 8d3cbd992..8ed5bae82 100644
--- a/app/src/main/res/values-v16/styles.xml
+++ b/app/src/main/res/values-v16/styles.xml
@@ -4,7 +4,7 @@
     <style name="BodyTextV16" parent="BodyTextBase">
         <item name="android:lineSpacingMultiplier">1.25</item>
     </style>
-    <style name="BodyText" parent="BodyTextV16" />
+    <style name="BodyText" parent="BodyTextV16"/>
 
     <style name="AppListItemStatusText" parent="AppListItemStatusTextBase">
         <item name="android:fontFamily">sans-serif-light</item>
diff --git a/app/src/main/res/values-v17/styles.xml b/app/src/main/res/values-v17/styles.xml
index 26165dfa1..79d23f125 100644
--- a/app/src/main/res/values-v17/styles.xml
+++ b/app/src/main/res/values-v17/styles.xml
@@ -5,13 +5,13 @@
         <item name="android:textDirection">locale</item>
     </style>
 
-    <style name="CaptionText" parent="CaptionTextV17" />
+    <style name="CaptionText" parent="CaptionTextV17"/>
 
     <style name="BodyTextV17" parent="BodyTextV16">
         <item name="android:textDirection">locale</item>
     </style>
 
-    <style name="BodyText" parent="BodyTextV17" />
+    <style name="BodyText" parent="BodyTextV17"/>
 
     <style name="SwapTheme.AppList.SwapSuccess" parent="SwapTheme.AppList.SwapSuccessBase">
         <item name="android:textAlignment">center</item>
diff --git a/app/src/main/res/values-v23/styles.xml b/app/src/main/res/values-v23/styles.xml
index 0307b95b6..4e2777222 100644
--- a/app/src/main/res/values-v23/styles.xml
+++ b/app/src/main/res/values-v23/styles.xml
@@ -8,6 +8,6 @@
     </style>
 
     <!-- see http://stackoverflow.com/questions/32169303/activity-did-not-call-finish-api-23 -->
-    <style name="AppThemeTransparent" parent="@android:style/Theme.Translucent.NoTitleBar" />
+    <style name="AppThemeTransparent" parent="@android:style/Theme.Translucent.NoTitleBar"/>
 
 </resources>
diff --git a/app/src/main/res/values/attrs.xml b/app/src/main/res/values/attrs.xml
index 7a31395eb..3aa2b9f5d 100644
--- a/app/src/main/res/values/attrs.xml
+++ b/app/src/main/res/values/attrs.xml
@@ -1,19 +1,19 @@
 <?xml version='1.0' encoding='utf-8'?>
 <resources>
     <declare-styleable name="Theme">
-        <attr name="appDetailsBackground" format="color" />
-        <attr name="appDetailsCardBackground" format="color" />
-        <attr name="categoryPreviewAppCardBackground" format="reference" />
-        <attr name="mainTabSwapBackground" format="color" />
-        <attr name="mainTabSwapSplashTint" format="color" />
-        <attr name="categoryName" format="color" />
-        <attr name="installedApps" format="color" />
-        <attr name="detailPanel" format="reference" />
-        <attr name="appListItem" format="color" />
-        <attr name="lightGrayTextColor" format="color" />
-        <attr name="antiFeaturesWarning" format="reference" />
-        <attr name="backButtonDrawable" format="reference" />
-        <attr name="clearButtonDrawable" format="reference" />
+        <attr name="appDetailsBackground" format="color"/>
+        <attr name="appDetailsCardBackground" format="color"/>
+        <attr name="categoryPreviewAppCardBackground" format="reference"/>
+        <attr name="mainTabSwapBackground" format="color"/>
+        <attr name="mainTabSwapSplashTint" format="color"/>
+        <attr name="categoryName" format="color"/>
+        <attr name="installedApps" format="color"/>
+        <attr name="detailPanel" format="reference"/>
+        <attr name="appListItem" format="color"/>
+        <attr name="lightGrayTextColor" format="color"/>
+        <attr name="antiFeaturesWarning" format="reference"/>
+        <attr name="backButtonDrawable" format="reference"/>
+        <attr name="clearButtonDrawable" format="reference"/>
     </declare-styleable>
 
     <integer name="unhidePin">1337</integer>
diff --git a/app/src/main/res/values/donottranslate.xml b/app/src/main/res/values/donottranslate.xml
index 09fe45d56..c49c85d9b 100644
--- a/app/src/main/res/values/donottranslate.xml
+++ b/app/src/main/res/values/donottranslate.xml
@@ -1,7 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
 
-    <string name="app_description">F-Droid is an installable catalogue of FOSS (Free and Open Source Software) applications for the Android platform. The client makes it easy to browse, install, and keep track of updates on your device.</string>
+    <string name="app_description">F-Droid is an installable catalogue of FOSS (Free and Open Source Software)
+        applications for the Android platform. The client makes it easy to browse, install, and keep track of updates
+        on your device.
+    </string>
 
     <string name="site_link">https://f-droid.org</string>
     <string name="source_link">https://gitlab.com/fdroid/fdroidclient</string>
diff --git a/app/src/main/res/values/ids.xml b/app/src/main/res/values/ids.xml
index 865c8c622..07fa4d94a 100644
--- a/app/src/main/res/values/ids.xml
+++ b/app/src/main/res/values/ids.xml
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <item type="id" name="preference_fragment_parent" />
+    <item type="id" name="preference_fragment_parent"/>
 
-  <item type="id" name="whats_new_feature" />
-  <item type="id" name="whats_new_large_tile" />
-  <item type="id" name="whats_new_small_tile" />
-  <item type="id" name="whats_new_regular_list" />
+    <item type="id" name="whats_new_feature"/>
+    <item type="id" name="whats_new_large_tile"/>
+    <item type="id" name="whats_new_small_tile"/>
+    <item type="id" name="whats_new_regular_list"/>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index a27bfa507..b7694ee40 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -17,7 +17,7 @@
     <string name="unstable_updates">Unstable updates</string>
     <string name="unstable_updates_summary">Suggest updates to unstable versions</string>
     <string name="keep_install_history">Keep install history</string>
-    <string name="keep_install_history_summary">Store a log of all installs and uninstalls inside F-Droid</string>
+    <string name="keep_install_history_summary">Store a log of all installs and uninstalls in a private store</string>
     <string name="force_old_index">Force old index format</string>
     <string name="force_old_index_summary">In case there are bugs or compatibility issues, use the XML app index</string>
     <string name="other">Other</string>
@@ -37,7 +37,7 @@
     <string name="notify">Show available updates</string>
     <string name="notify_on">Show a notification when updates are available</string>
     <string name="system_installer">Privileged Extension</string>
-    <string name="system_installer_on">Use F-Droid Privileged Extension to install, update, and remove packages</string>
+    <string name="system_installer_on">Use Privileged Extension to install, update, and remove packages</string>
     <string name="uninstall_system">Update/Uninstall Privileged Extension</string>
     <string name="uninstall_system_summary">Open details screen of Privileged Extension to update/uninstall it</string>
     <string name="local_repo_name">Name of your Local Repo</string>
@@ -324,14 +324,14 @@ This often occurs with apps installed via Google Play or other sources, if they
     <string name="unknown">Unknown</string>
     <string name="repo_confirm_delete_title">Delete Repository?</string>
     <string name="repo_confirm_delete_body">Deleting a repository means
-        apps from it will no longer be available from F-Droid.\n\nNote: All
+        apps from it will no longer be available.\n\nNote: All
         previously installed apps will remain on your device.
     </string>
     <string name="repo_disabled_notification">Disabled "%1$s".\n\nYou will
         need to re-enable this repository to install apps from it.
     </string>
-    <string name="repo_added">Saved F-Droid repository %1$s.</string>
-    <string name="repo_searching_address">Looking for F-Droid repository at\n%1$s</string>
+    <string name="repo_added">Saved package repository %1$s.</string>
+    <string name="repo_searching_address">Looking for package repository at\n%1$s</string>
     <string name="minsdk_or_later">%s or later</string>
     <string name="up_to_maxsdk">Up to %s</string>
     <string name="minsdk_up_to_maxsdk">%1$s up to %2$s</string>
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index 8789fe218..d34733560 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -79,18 +79,18 @@
         <!-- customizations that are not API-level specific go here. -->
     </style>
 
-    <style name="AlertDialogBaseThemeDark" parent="Theme.AppCompat.Dialog.Alert" />
+    <style name="AlertDialogBaseThemeDark" parent="Theme.AppCompat.Dialog.Alert"/>
     <style name="AlertDialogThemeDark" parent="AlertDialogBaseThemeDark">
         <item name="colorAccent">@color/fdroid_green</item>
         <item name="android:windowBackground">@color/cardview_dark_background</item>
     </style>
 
-    <style name="AlertDialogBaseThemeLight" parent="Theme.AppCompat.Light.Dialog.Alert" />
+    <style name="AlertDialogBaseThemeLight" parent="Theme.AppCompat.Light.Dialog.Alert"/>
     <style name="AlertDialogThemeLight" parent="AlertDialogBaseThemeLight">
         <item name="colorAccent">@color/fdroid_green</item>
     </style>
 
-    <style name="AlertDialogBaseThemeNight" parent="AlertDialogThemeDark" />
+    <style name="AlertDialogBaseThemeNight" parent="AlertDialogThemeDark"/>
     <style name="AlertDialogThemeNight" parent="AlertDialogBaseThemeNight">
         <item name="android:windowBackground">@color/fdroid_night</item>
     </style>
@@ -122,7 +122,7 @@
         <item name="android:textAppearance">@style/TextAppearance.AppCompat.Caption</item>
         <item name="android:textColor">?android:attr/textColorSecondary</item>
     </style>
-    <style name="CaptionText" parent="CaptionTextBase" />
+    <style name="CaptionText" parent="CaptionTextBase"/>
 
     <!-- use this style for a text views that is a paragraph of text -->
     <style name="BodyTextBase">
@@ -130,7 +130,7 @@
         <item name="android:layout_height">wrap_content</item>
         <item name="android:textAppearance">@style/TextAppearance.AppCompat.Body1</item>
     </style>
-    <style name="BodyText" parent="BodyTextBase" />
+    <style name="BodyText" parent="BodyTextBase"/>
 
     <style name="AppListEmptyText">
         <item name="android:id">@android:id/empty</item>
@@ -149,7 +149,7 @@
         <item name="android:maxLines">1</item>
         <item name="android:ellipsize">end</item>
     </style>
-    <style name="AppListItemStatusText" parent="AppListItemStatusTextBase" />
+    <style name="AppListItemStatusText" parent="AppListItemStatusTextBase"/>
 
     <style name="SwapTheme.Wizard" parent="Theme.AppCompat.Light.NoActionBar">
         <item name="colorButtonNormal">@color/swap_bright_blue</item>
@@ -180,7 +180,7 @@
         <item name="android:paddingBottom">20.1dp</item> <!-- 36px * 96dpi / 160dpi -->
     </style>
 
-    <style name="SwapTheme.AppList.SwapSuccess" parent="SwapTheme.AppList.SwapSuccessBase" />
+    <style name="SwapTheme.AppList.SwapSuccess" parent="SwapTheme.AppList.SwapSuccessBase"/>
 
     <style name="SwapTheme.AppList.SwapSuccessDetailsBase">
         <item name="android:gravity">center</item>
@@ -190,7 +190,7 @@
         <item name="android:textStyle">bold</item>
     </style>
 
-    <style name="SwapTheme.AppList.SwapSuccessDetails" parent="SwapTheme.AppList.SwapSuccessDetailsBase" />
+    <style name="SwapTheme.AppList.SwapSuccessDetails" parent="SwapTheme.AppList.SwapSuccessDetailsBase"/>
 
     <style name="SwapTheme.StartSwap.MainTextBase">
         <item name="android:gravity">center</item>
@@ -211,7 +211,7 @@
         <item name="android:textColorSecondary">#fff</item>
     </style>
 
-    <style name="SwapTheme.Wizard.Text" parent="SwapTheme.Wizard.TextBase" />
+    <style name="SwapTheme.Wizard.Text" parent="SwapTheme.Wizard.TextBase"/>
 
     <style name="SwapTheme.Wizard.Text.Toolbar" parent="SwapTheme.Wizard.Text">
         <item name="android:textSize">22sp</item>
@@ -232,9 +232,9 @@
         <item name="android:paddingBottom">10dp</item>
     </style>
 
-    <style name="SwapTheme.Wizard.MainText" parent="SwapTheme.Wizard.MainTextBase" />
+    <style name="SwapTheme.Wizard.MainText" parent="SwapTheme.Wizard.MainTextBase"/>
 
-    <style name="SwapTheme.Wizard.QRScanWarningText" parent="@style/SwapTheme.Wizard.MainTextBase" >
+    <style name="SwapTheme.Wizard.QRScanWarningText" parent="@style/SwapTheme.Wizard.MainTextBase">
         <item name="android:paddingLeft">40dp</item>
         <item name="android:paddingRight">40dp</item>
         <item name="android:paddingTop">0dp</item>
@@ -288,7 +288,7 @@
         <item name="android:gravity">center_vertical</item>
     </style>
 
-    <style name="AppDetailsLink" parent="AppDetailsLinkBase" />
+    <style name="AppDetailsLink" parent="AppDetailsLinkBase"/>
 
     <style name="AppDetailsSubheaderTextBase">
         <item name="android:layout_width">match_parent</item>
@@ -300,9 +300,9 @@
         <item name="android:drawablePadding">12dp</item>
     </style>
 
-    <style name="AppDetailsSubheaderText" parent="AppDetailsSubheaderTextBase" />
+    <style name="AppDetailsSubheaderText" parent="AppDetailsSubheaderTextBase"/>
 
-    <style name="AppThemeTransparent" parent="@android:style/Theme.NoDisplay" />
+    <style name="AppThemeTransparent" parent="@android:style/Theme.NoDisplay"/>
 
     <style name="AppThemeLight.NoActionBar">
         <item name="windowActionBar">false</item>
@@ -314,7 +314,7 @@
         <item name="android:src">@drawable/ic_more</item>
     </style>
 
-    <style name="AppThemeLight.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />
+    <style name="AppThemeLight.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar"/>
 
-    <style name="AppThemeLight.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />
+    <style name="AppThemeLight.PopupOverlay" parent="ThemeOverlay.AppCompat.Light"/>
 </resources>
diff --git a/app/src/main/res/values/styles_detail.xml b/app/src/main/res/values/styles_detail.xml
index e6d2825da..e53871d17 100644
--- a/app/src/main/res/values/styles_detail.xml
+++ b/app/src/main/res/values/styles_detail.xml
@@ -6,9 +6,9 @@
         <item name="android:minHeight">32dp</item>
         <item name="android:minWidth">0dp</item>
         <item name="android:padding">12dp</item>
-    </style>qgi
+    </style>
 
-    <style name="DetailsButtonStyle" parent="DetailsButtonStyleBase" />
+    <style name="DetailsButtonStyle" parent="DetailsButtonStyleBase"/>
 
     <style name="DetailsPrimaryButtonStyle" parent="DetailsButtonStyle">
         <item name="android:textColor">#ffffff</item>
diff --git a/build.gradle b/build.gradle
index f2cffbd5d..b91938e06 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,9 +1,6 @@
 buildscript {
     repositories {
-        maven {
-            url "https://repo1.maven.org/maven2"
-            jcenter()
-        }
+        jcenter()
         maven {
             url 'https://maven.google.com/'
             name 'Google'
@@ -16,6 +13,9 @@ buildscript {
 allprojects {
     repositories {
         jcenter()
-        maven { url 'https://maven.google.com' }
+        maven {
+            url 'https://maven.google.com/'
+            name 'Google'
+        }
     }
 }