Added Xposed hooks

fermata/build.gradle

@@ -87,4 +87,5 @@ dependencies {
     implementation "com.google.android.play:core:${ANDROID_PLAY_CORE_VERSION}"
     implementation 'androidx.tvprovider:tvprovider:1.0.0'
     implementation 'com.google.guava:guava:31.0.1-android'
+    compileOnly 'de.robv.android.xposed:api:82'
 }

fermata/src/auto/AndroidManifest.xml

@@ -14,8 +14,23 @@
         </intent>
     </queries>
 
+
     <application>
 
+        <meta-data
+            android:name="xposedmodule"
+            android:value="true" />
+        <meta-data
+            android:name="xposeddescription"
+            android:value="Android Auto hooks" />
+        <meta-data
+            android:name="xposedminversion"
+            android:value="54" />
+        <meta-data
+            android:name="xposedscope"
+            android:resource="@array/xposedscope" />
+
+
         <service
             android:name="me.aap.fermata.media.service.FermataMediaService"
             android:exported="true"

fermata/src/auto/assets/xposed_init

@@ -0,0 +1 @@
+me.aap.fermata.auto.Xposed

fermata/src/auto/java/me/aap/fermata/auto/Xposed.java

@@ -0,0 +1,43 @@
+package me.aap.fermata.auto;
+
+import static de.robv.android.xposed.XposedBridge.log;
+
+import android.content.pm.InstallSourceInfo;
+import android.content.pm.PackageManager;
+import android.os.Build;
+
+import de.robv.android.xposed.IXposedHookLoadPackage;
+import de.robv.android.xposed.XC_MethodHook;
+import de.robv.android.xposed.XposedHelpers;
+import de.robv.android.xposed.callbacks.XC_LoadPackage;
+
+/**
+ * @author Andrey Pavlenko
+ */
+public class Xposed implements IXposedHookLoadPackage {
+	private static final String AA_PKG = "com.google.android.projection.gearhead";
+	private static final String GPLAY_PKG = "com.android.vending";
+
+	@Override
+	public void handleLoadPackage(XC_LoadPackage.LoadPackageParam lpparam) {
+		if (!AA_PKG.equals(lpparam.packageName)) return;
+		log("Hooking package " + AA_PKG);
+
+		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+			XposedHelpers.findAndHookMethod(InstallSourceInfo.class, "getInitiatingPackageName", new XC_MethodHook() {
+
+				@Override
+				protected void afterHookedMethod(MethodHookParam param) {
+					param.setResult(GPLAY_PKG);
+				}
+			});
+		} else {
+			XposedHelpers.findAndHookMethod(PackageManager.class, "getInstallerPackageName", new XC_MethodHook() {
+				@Override
+				protected void afterHookedMethod(MethodHookParam param) {
+					param.setResult(GPLAY_PKG);
+				}
+			});
+		}
+	}
+}

fermata/src/auto/res/values/arrays.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string-array name="xposedscope">
+        <item>com.google.android.projection.gearhead</item>
+    </string-array>
+</resources>

proguard-rules.pro

@@ -1,5 +1,6 @@
 -keepattributes LineNumberTable,SourceFile
 -keepnames class me.aap.** { *; }
+-keep class me.aap.fermata.auto.Xposed
 -keep class org.videolan.libvlc.** { *; }
 -keep class me.aap.fermata.vfs.sftp.** { *; }
 -keep class me.aap.fermata.vfs.smb.** { *; }