ADD: Compatibility mode to bring back functionality of extension pack.

Author: oasisfeng

build.gradle

@@ -35,6 +35,8 @@ android {
         noCompress "apk"
     }
 
+    kotlinOptions.jvmTarget = "1.8"
+
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8

src/main/java/com/oasisfeng/nevo/decorators/wechat/CompatModeController.kt

@@ -0,0 +1,32 @@
+package com.oasisfeng.nevo.decorators.wechat
+
+import android.app.Activity
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+import android.os.Handler
+import android.os.Looper
+import android.util.Log
+import androidx.core.util.Consumer
+
+object CompatModeController {
+
+	@JvmStatic fun query(context: Context, result_callback: (Consumer<Boolean>)?) {
+		sendRequest(context, null, result_callback)
+	}
+
+	@JvmStatic fun request(context: Context, enabled: Boolean, result_callback: (Consumer<Boolean>)?) {
+		sendRequest(context, enabled, result_callback)
+	}
+
+	private fun sendRequest(context: Context, enabled: Boolean?, callback: (Consumer<Boolean>)?) {
+		val uri = Uri.fromParts("nevo", "compat", if (enabled == null) null else if (enabled) "1" else "0")
+		context.sendOrderedBroadcast(Intent("", uri), null, object : BroadcastReceiver() { override fun onReceive(context: Context, intent: Intent) {
+			when (resultCode) {
+				Activity.RESULT_FIRST_USER  -> callback?.accept(true)   // Changed (for request) or enabled (for query)
+				Activity.RESULT_OK          -> callback?.accept(false)  // Unchanged
+				else -> Log.e(WeChatDecorator.TAG, "Unexpected result code: $resultCode") }
+		}}, Handler(Looper.getMainLooper()), Activity.RESULT_CANCELED, null, null)
+	}
+}

src/main/java/com/oasisfeng/nevo/decorators/wechat/WeChatDecoratorSettingsActivity.java

@@ -22,6 +22,8 @@
 import android.preference.Preference;
 import android.preference.PreferenceActivity;
 import android.preference.PreferenceManager;
+import android.preference.TwoStatePreference;
+import android.provider.Settings;
 import android.util.Log;
 
 import androidx.annotation.Nullable;
@@ -111,6 +113,16 @@ public class WeChatDecoratorSettingsActivity extends PreferenceActivity {
 		preference_extension.setOnPreferenceClickListener(! android_auto_available ? this::installExtension
                 : ! android_auto_unavailable_in_profiles.isEmpty() ? this::showExtensionInIsland : null);
 
+		final TwoStatePreference preference_compat_mode = (TwoStatePreference) findPreference(getString(R.string.pref_compat_mode));
+		if (android_auto_available && Settings.Global.getInt(getContentResolver(), Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 0) != 0) {
+			CompatModeController.query(this, preference_compat_mode::setChecked);
+			preference_compat_mode.setOnPreferenceChangeListener((preference, newValue) -> {
+				final boolean enabled = (Boolean) newValue;
+				CompatModeController.request(this, enabled, changed -> { if (changed) preference_compat_mode.setChecked(enabled); });
+				return false;   // Will be updated by the callback in previous line.
+			});
+		} else getPreferenceScreen().removePreference(preference_compat_mode);
+
 		final Preference preference_agent = findPreference(getString(R.string.pref_agent));
 		int agent_version = getPackageVersion(WeChatDecorator.AGENT_PACKAGE);
 		if (agent_version < 0) agent_version = getPackageVersion(AGENT_LEGACY_PACKAGE);
@@ -160,23 +172,12 @@ private boolean selectAgentLabel() {
 		return true;
 	}
 
-	private boolean toggleHidingLauncherIcon(@SuppressWarnings("unused") final Preference unused, final Object value) {
-		final boolean start_from_launcher = getIntent().getAction() != null;
-		if (start_from_launcher && value == Boolean.TRUE) {
-			new AlertDialog.Builder(this).setMessage(R.string.prompt_hide_prerequisite).setPositiveButton(android.R.string.cancel, null).show();
-			return false;
-		}
-		getPackageManager().setComponentEnabledSetting(new ComponentName(this, getClass()),
-				value != Boolean.TRUE ? COMPONENT_ENABLED_STATE_ENABLED : COMPONENT_ENABLED_STATE_DISABLED, DONT_KILL_APP);
-		return true;
-	}
-
 	private boolean isDecoratorRunning() {
 		final Intent service = new Intent(this, WeChatDecorator.class).setAction(NevoDecoratorService.ACTION_DECORATOR_SERVICE);
 		return mDummyReceiver.peekService(this, service) != null;
 	}
 
-	private boolean installExtension(@SuppressWarnings("unused") final Preference unused) {
+	private boolean installExtension(final Preference unused) {
 		if (isPlayStoreSystemApp()) {
 			new AlertDialog.Builder(this).setMessage(R.string.prompt_extension_install)
 					.setPositiveButton(R.string.action_install_android_auto, (d, c) -> showAndroidAutoInPlayStore())
@@ -185,7 +186,7 @@ private boolean installExtension(@SuppressWarnings("unused") final Preference un
 		return true;
 	}
 
-	@SuppressLint("InlinedApi") private boolean showExtensionInIsland(@SuppressWarnings("unused") final Preference unused) {
+	@SuppressLint("InlinedApi") private boolean showExtensionInIsland(final Preference unused) {
 	    try {
             startActivity(new Intent(Intent.ACTION_SHOW_APP_INFO).putExtra(Intent.EXTRA_PACKAGE_NAME, ANDROID_AUTO_PACKAGE).setPackage(ISLAND_PACKAGE));
         } catch (final Exception ignored) {}
@@ -230,14 +231,14 @@ private static ApplicationInfo getApplicationInfo(final LauncherApps la, final S
 		super.onDestroy();
 	}
 
-	private boolean installNevolution(final @SuppressWarnings("unused") Preference preference) {
+	private boolean installNevolution(final Preference preference) {
 		try {
 			startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(APP_MARKET_PREFIX + NEVOLUTION_PACKAGE)));
 		} catch (final ActivityNotFoundException ignored) {}	// TODO: Landing web page
 		return true;
 	}
 
-	private boolean activate(final @SuppressWarnings("unused") Preference preference) {
+	private boolean activate(final Preference preference) {
 		try {
 			startActivityForResult(new Intent("com.oasisfeng.nevo.action.ACTIVATE_DECORATOR").setPackage(NEVOLUTION_PACKAGE)
 					.putExtra("nevo.decorator", new ComponentName(this, WeChatDecorator.class))

src/main/res/values/strings.xml

@@ -44,6 +44,8 @@
     <string name="prompt_extension_install">你有两个选项：安装完整版的 Android Auto（消耗较多空间），或者“极简包”。如果你不需要使用 Android Auto 或者不清楚它是什么，建议选择“极简包”。</string>
     <string name="action_install_android_auto">安装 Android Auto</string>
     <string name="action_install_dummy_auto">安装极简包</string>
+    <string name="pref_compat_mode_title">兼容模式 (试验性)</string>
+    <string name="pref_compat_mode_summary">强制设备全局进入兼容模式，其影响与具体设备有关。（例如 “息屏显示” 或 “双击唤醒” 无法工作）\n最新版本微信需要这个模式才能启用特性扩展包。</string>
     <string name="pref_agent_title">体验增强包</string>
     <string name="pref_agent_summary">通过安装一个微信的替身，可消除女娲石在外源模式下的微信通知前缀，支持通知圆点（需启动器支持），并提供“扫码”的快捷方式。</string>
     <string name="pref_agent_summary_prefix_enabled">已启用</string>

src/main/res/values/values.xml

@@ -11,6 +11,7 @@
 
     <string name="pref_activate" translatable="false">activate</string>
     <string name="pref_extension" translatable="false">extension</string>
+    <string name="pref_compat_mode" translatable="false">compat</string>
     <string name="pref_agent" translatable="false">agent</string>
     <string name="pref_wear" translatable="false">wear</string>
 </resources>

src/main/res/xml/decorators_wechat_settings.xml

@@ -12,6 +12,12 @@
         android:title="@string/pref_extension_title"
         tools:summary="@string/pref_extension_summary" />
 
+    <SwitchPreference
+        android:key="@string/pref_compat_mode"
+        android:title="@string/pref_compat_mode_title"
+        android:summary="@string/pref_compat_mode_summary"
+        android:persistent="false" />
+
     <Preference
         android:key="@string/pref_agent"
         android:title="@string/pref_agent_title"