Make app direct boot aware

app/src/main/AndroidManifest.xml

@@ -62,6 +62,7 @@
         <activity
             android:name=".DummyDialerActivity"
             android:autoRemoveFromRecents="true"
+            android:directBootAware="true"
             android:excludeFromRecents="true"
             android:noHistory="true"
             android:theme="@style/DialogBackgroundTheme">
@@ -82,6 +83,7 @@
 
         <receiver
             android:name=".CallReceiver"
+            android:directBootAware="true"
             android:enabled="true"
             android:exported="true">
             <intent-filter>
@@ -93,6 +95,7 @@
 
         <service
             android:name=".CallScreeningServiceImpl"
+            android:directBootAware="true"
             android:permission="android.permission.BIND_SCREENING_SERVICE">
             <intent-filter>
                 <action android:name="android.telecom.CallScreeningService" />

app/src/main/java/dummydomain/yetanothercallblocker/App.java

@@ -2,6 +2,8 @@ package dummydomain.yetanothercallblocker;
 
 import android.annotation.SuppressLint;
 import android.app.Application;
+import android.content.Context;
+import android.os.Build;
 
 import org.conscrypt.Conscrypt;
 import org.greenrobot.eventbus.EventBus;
@@ -17,6 +19,14 @@ public class App extends Application {
     @SuppressLint("StaticFieldLeak")
     private static Settings settings;
 
+    public static App getInstance() {
+        return instance;
+    }
+
+    public static Settings getSettings() {
+        return settings;
+    }
+
     @Override
     public void onCreate() {
         super.onCreate();
@@ -25,7 +35,9 @@ public class App extends Application {
 
         Security.insertProviderAt(Conscrypt.newProvider(), 1);
 
-        settings = new Settings(this);
+        new DeviceProtectedStorageMigrator().migrate(this);
+
+        settings = new Settings(getDeviceProtectedStorageContext());
         settings.init();
 
         EventBus.builder()
@@ -38,15 +50,15 @@ public class App extends Application {
 
         NotificationHelper.createNotificationChannels(this);
 
-        Config.init(this, settings);
+        Config.init(getDeviceProtectedStorageContext(), settings);
     }
 
-    public static App getInstance() {
+    private Context getDeviceProtectedStorageContext() {
-        return instance;
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+            return createDeviceProtectedStorageContext();
+        } else {
+            return this;
         }
-
-    public static Settings getSettings() {
-        return settings;
     }
 
 }

app/src/main/java/dummydomain/yetanothercallblocker/DeviceProtectedStorageMigrator.java

@@ -0,0 +1,61 @@
+package dummydomain.yetanothercallblocker;
+
+import android.content.Context;
+import android.os.Build;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.nio.channels.FileChannel;
+
+import dummydomain.yetanothercallblocker.data.SiaConstants;
+import dummydomain.yetanothercallblocker.sia.utils.FileUtils;
+
+public class DeviceProtectedStorageMigrator {
+
+    public void migrate(Context context) {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N) return;
+
+        try {
+            Context dpsContext = context.createDeviceProtectedStorageContext();
+
+            if (new Settings(dpsContext).getInt(Settings.SYS_PREFERENCES_VERSION, -1) != -1) return;
+            if (new Settings(context).getInt(Settings.SYS_PREFERENCES_VERSION, -1) == -1) return;
+
+            copyDir(context, dpsContext, SiaConstants.SIA_PATH_PREFIX);
+            copyDir(context, dpsContext, SiaConstants.SIA_SECONDARY_PATH_PREFIX);
+
+            dpsContext.moveSharedPreferencesFrom(context, SiaConstants.SIA_PROPERTIES);
+            dpsContext.moveSharedPreferencesFrom(context, context.getPackageName() + "_preferences");
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    private static void copyDir(Context srcContext, Context dstContext, String dir) throws IOException {
+        File srcDir = new File(srcContext.getFilesDir(), dir);
+        if (srcDir.exists()) {
+            File dstDir = new File(dstContext.getFilesDir(), dir);
+
+            dstDir.mkdir();
+            copyDirectoryContent(srcDir, dstDir);
+
+            FileUtils.delete(srcDir);
+        }
+    }
+
+    private static void copyDirectoryContent(File src, File dst) throws IOException {
+        for (String file : src.list()) {
+            File srcFile = new File(src, file);
+            File dstFile = new File(dst, file);
+
+            dstFile.createNewFile();
+            try (FileChannel source = new FileInputStream(srcFile).getChannel();
+                 FileChannel destination = new FileOutputStream(dstFile).getChannel()) {
+                destination.transferFrom(source, 0, source.size());
+            }
+        }
+    }
+
+}

app/src/main/java/dummydomain/yetanothercallblocker/Settings.java

@@ -20,7 +20,7 @@ public class Settings extends GenericSettings {
     public static final String PREF_COUNTRY_CODE_OVERRIDE = "countryCodeOverride";
     public static final String PREF_COUNTRY_CODE_FOR_REVIEWS_OVERRIDE = "countryCodeForReviewsOverride";
 
-    private static final String SYS_PREFERENCES_VERSION = "__preferencesVersion";
+    static final String SYS_PREFERENCES_VERSION = "__preferencesVersion";
 
     private static final int PREFERENCES_VERSION = 1;
 

app/src/main/java/dummydomain/yetanothercallblocker/SettingsActivity.java

@@ -99,6 +99,8 @@ public class SettingsActivity extends AppCompatActivity
 
         @Override
         public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
+            getPreferenceManager().setStorageDeviceProtected();
+
             setPreferencesFromResource(R.xml.root_preferences, rootKey);
 
             initRootScreen(rootKey);