api-impl: misc stubs and fixes for several apps including F-Droid and AuroraStore

src/api-impl/android/content/Context.java

@@ -245,6 +245,8 @@ public class Context extends Object {
 	}
 
 	public final Object getSystemService(Class<?> serviceClass) throws InstantiationException, IllegalAccessException, InvocationTargetException {
+		if (serviceClass == LayoutInflater.class)
+			return layout_inflater;
 		return serviceClass.getConstructors()[0].newInstance();
 	}
 
@@ -706,4 +708,13 @@ public class Context extends Object {
 	public Drawable getWallpaper() {
 		return null;
 	}
+
+	public String[] databaseList() {
+		File databaseDir = new File(getDataDirFile(), "databases");
+		if (databaseDir.exists()) {
+			return databaseDir.list();
+		} else {
+			return new String[0];
+		}
+	}
 }

src/api-impl/android/content/Intent.java

@@ -1,8 +1,13 @@
 package android.content;
 
+import android.content.pm.PackageManager;
+import android.content.res.Resources;
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.Parcelable;
+import android.util.AttributeSet;
+import org.xmlpull.v1.XmlPullParser;
+
 import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.Collections;
@@ -378,4 +383,12 @@ public class Intent implements Parcelable {
 	public int filterHashCode() {
 		return 0;
 	}
+
+	public static Intent parseIntent(Resources res, XmlPullParser parser, AttributeSet attrs) {
+		return new Intent();
+	}
+
+	public ComponentName resolveActivity(PackageManager pm) {
+		return component;
+	}
 }

src/api-impl/android/content/pm/PackageInstaller.java

@@ -0,0 +1,11 @@
+package android.content.pm;
+
+import java.util.Collections;
+import java.util.List;
+
+public class PackageInstaller {
+
+	public List getMySessions() {
+		return Collections.emptyList();
+	}
+}

src/api-impl/android/content/pm/PackageManager.java

@@ -1385,7 +1385,11 @@ public class PackageManager {
 	 * @see #GET_UNINSTALLED_PACKAGES
 	 */
 	public PackageInfo getPackageInfo(String packageName, int flags) throws NameNotFoundException {
-		return PackageParser.generatePackageInfo(Context.pkg, new int[0], flags, 0, 0, new HashSet<>(), new PackageUserState());
+		if (packageName.equals(Context.pkg.packageName)) {
+			return PackageParser.generatePackageInfo(Context.pkg, new int[0], flags, 0, 0, new HashSet<>(), new PackageUserState());
+		} else {
+			throw new NameNotFoundException();
+		}
 	}
 
 	/**
@@ -1820,15 +1824,15 @@ public class PackageManager {
 	 * @see #PERMISSION_DENIED
 	 */
 	public int checkPermission(String permName, String pkgName) {
+		if (permName != null && permName.endsWith(".DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION"))
+			return PERMISSION_GRANTED;
+
 		switch (permName) {
 			// TODO: we shouldn't just automatically grant these once we have bubblewrap set up
 			// for now, the app can access anything it wants, so no point telling it otherwise
 			case "android.permission.WRITE_EXTERNAL_STORAGE":
 			case "android.permission.READ_EXTERNAL_STORAGE":
 			case "com.google.android.c2dm.permission.SEND":
-			case "com.fsck.k9.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION":
-			case "net.thunderbird.android.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION":
-			case "de.danoeh.antennapod.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION":
 				return PERMISSION_GRANTED;
 			default:
 				System.out.println("PackageManager.checkPermission: >" + permName + "< not handled\n");
@@ -2094,7 +2098,7 @@ public class PackageManager {
 	 * that are available on the system, or null if there are none(!!).
 	 */
 	public FeatureInfo[] getSystemAvailableFeatures() {
-		return null;
+		return new FeatureInfo[0];
 	}
 
 	/**
@@ -3454,4 +3458,8 @@ public class PackageManager {
 		// TODO: This should be shared with Installer's knowledge of user directory
 		return Environment.getDataDirectory().toString() + "/user/" + userId + "/" + packageName;
 	}
+
+	public PackageInstaller getPackageInstaller() {
+		return new PackageInstaller();
+	}
 }