basic Install History viewer, available only when logging is enabled

This provides a super simple way to view the install history directly in
F-Droid.

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

@@ -24,6 +24,16 @@
                     android:targetPackage="@string/applicationId"
                     android:targetClass="org.fdroid.fdroid.views.ManageReposActivity"/>
         </android.support.v7.preference.PreferenceScreen>
+        <android.support.v7.preference.PreferenceScreen
+                android:key="installHistory"
+                android:visible="false"
+                android:title="@string/install_history"
+                android:summary="@string/install_history_summary">
+            <intent
+                    android:action="android.intent.action.MAIN"
+                    android:targetPackage="@string/applicationId"
+                    android:targetClass="org.fdroid.fdroid.views.InstallHistoryActivity"/>
+        </android.support.v7.preference.PreferenceScreen>
     </android.support.v7.preference.PreferenceCategory>
 
     <android.support.v7.preference.PreferenceCategory android:title="@string/updates">

app/src/main/AndroidManifest.xml

@@ -550,6 +550,12 @@
                     android:name="android.support.PARENT_ACTIVITY"
                     android:value=".views.main.MainActivity"/>
         </activity>
+        <activity android:name=".views.InstallHistoryActivity"
+                  android:parentActivityName=".views.main.MainActivity">
+            <meta-data
+                    android:name="android.support.PARENT_ACTIVITY"
+                    android:value=".views.main.MainActivity"/>
+        </activity>
 
         <activity android:name=".AboutActivity" android:theme="@style/Theme.AppCompat.Light.Dialog"/>
         <activity android:name=".installer.FileInstallerActivity" android:theme="@style/AppThemeTransparent"/>

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

@@ -28,7 +28,7 @@ import android.net.Uri;
 import android.os.Process;
 import android.support.v4.content.LocalBroadcastManager;
 import android.text.TextUtils;
-
+import org.fdroid.fdroid.BuildConfig;
 import org.fdroid.fdroid.Utils;
 import org.fdroid.fdroid.data.Apk;
 
@@ -47,7 +47,8 @@ import java.util.List;
 public class InstallHistoryService extends IntentService {
     public static final String TAG = "InstallHistoryService";
 
-    public static final Uri LOG_URI = Uri.parse("content://org.fdroid.fdroid.installer/install_history/all");
+    public static final String AUTHORITY = BuildConfig.APPLICATION_ID + ".installer";
+    public static final Uri LOG_URI = Uri.parse("content://" + AUTHORITY + "/install_history/all");
 
     private static BroadcastReceiver broadcastReceiver;
 

app/src/main/java/org/fdroid/fdroid/views/InstallHistoryActivity.java

@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2016 Blue Jay Wireless
+ * 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;
+
+import android.content.ContentResolver;
+import android.database.Cursor;
+import android.os.Bundle;
+import android.os.ParcelFileDescriptor;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.Toolbar;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.widget.TextView;
+import org.apache.commons.io.IOUtils;
+import org.fdroid.fdroid.R;
+import org.fdroid.fdroid.installer.InstallHistoryService;
+
+import java.io.FileDescriptor;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.nio.charset.Charset;
+
+public class InstallHistoryActivity extends AppCompatActivity {
+    public static final String TAG = "InstallHistoryActivity";
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_install_history);
+        Toolbar toolbar = findViewById(R.id.toolbar);
+        toolbar.setTitle(getString(R.string.install_history));
+        setSupportActionBar(toolbar);
+        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+
+        String text = "";
+        try {
+            ContentResolver resolver = getContentResolver();
+
+            Cursor cursor = resolver.query(InstallHistoryService.LOG_URI, null, null, null, null);
+            if (cursor != null) {
+                cursor.moveToFirst();
+                cursor.close();
+            }
+
+            ParcelFileDescriptor pfd = resolver.openFileDescriptor(InstallHistoryService.LOG_URI, "r");
+            FileDescriptor fd = pfd.getFileDescriptor();
+            FileInputStream fileInputStream = new FileInputStream(fd);
+            text = IOUtils.toString(fileInputStream, Charset.defaultCharset());
+        } catch (IOException | SecurityException | IllegalStateException e) {
+            e.printStackTrace();
+        }
+        TextView textView = findViewById(R.id.text);
+        textView.setText(text);
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        getMenuInflater().inflate(R.menu.install_history, menu);
+        return super.onCreateOptionsMenu(menu);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+
+        switch (item.getItemId()) {
+            case R.id.menu_delete:
+                getContentResolver().delete(InstallHistoryService.LOG_URI, null, null);
+                TextView textView = findViewById(R.id.text);
+                textView.setText("");
+                break;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+}

app/src/main/java/org/fdroid/fdroid/views/fragments/PreferencesFragment.java

@@ -337,10 +337,13 @@ public class PreferencesFragment extends PreferenceFragment
 
             case Preferences.PREF_KEEP_INSTALL_HISTORY:
                 CheckBoxPreference p = (CheckBoxPreference) findPreference(key);
+                Preference installHistory = findPreference("installHistory");
                 if (p.isChecked()) {
                     InstallHistoryService.register(getActivity());
+                    installHistory.setVisible(true);
                 } else {
                     InstallHistoryService.unregister(getActivity());
+                    installHistory.setVisible(false);
                 }
                 break;
         }

app/src/main/res/layout/activity_install_history.xml

@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.design.widget.CoordinatorLayout
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:tools="http://schemas.android.com/tools"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        tools:context=".views.InstallHistoryActivity">
+
+    <android.support.design.widget.AppBarLayout
+            android:id="@+id/app_bar"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:theme="@style/AppThemeLight.AppBarOverlay">
+
+        <android.support.v7.widget.Toolbar
+                android:id="@+id/toolbar"
+                android:layout_width="match_parent"
+                android:layout_height="?attr/actionBarSize"/>
+
+    </android.support.design.widget.AppBarLayout>
+
+    <android.support.v4.widget.NestedScrollView
+            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"
+            app:layout_behavior="@string/appbar_scrolling_view_behavior"
+            tools:context=".views.InstallHistoryActivity"
+            tools:showIn="@layout/activity_install_history">
+
+        <TextView
+                android:id="@+id/text"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_margin="16dp"/>
+
+    </android.support.v4.widget.NestedScrollView>
+
+</android.support.design.widget.CoordinatorLayout>

app/src/main/res/menu/install_history.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+            android:id="@+id/menu_delete"
+            android:icon="@android:drawable/ic_delete"
+            android:title="@string/delete"/>
+</menu>

app/src/main/res/values/strings.xml

@@ -24,6 +24,8 @@
     <string name="hide_all_notifications_summary">Prevent all actions from showing in the status bar and notification
         drawer.
     </string>
+    <string name="install_history">Install history</string>
+    <string name="install_history_summary">View the private log of all installs and uninstalls</string>
     <string name="keep_install_history">Keep install history</string>
     <string name="keep_install_history_summary">Store a log of all installs and uninstalls in a private store</string>
     <string name="send_version_and_uuid">Send version and UUID to servers</string>

app/src/main/res/xml/preferences.xml

@@ -24,6 +24,16 @@
                     android:targetPackage="@string/applicationId"
                     android:targetClass="org.fdroid.fdroid.views.ManageReposActivity"/>
         </android.support.v7.preference.PreferenceScreen>
+        <android.support.v7.preference.PreferenceScreen
+                android:key="installHistory"
+                android:visible="false"
+                android:title="@string/install_history"
+                android:summary="@string/install_history_summary">
+            <intent
+                    android:action="android.intent.action.MAIN"
+                    android:targetPackage="@string/applicationId"
+                    android:targetClass="org.fdroid.fdroid.views.InstallHistoryActivity"/>
+        </android.support.v7.preference.PreferenceScreen>
     </android.support.v7.preference.PreferenceCategory>
 
     <android.support.v7.preference.PreferenceCategory android:title="@string/updates">