Add TV audio output switch and USB storage visibility

AudioOutputSwitch/Android.mk

@@ -0,0 +1,16 @@
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_PACKAGE_NAME := AudioOutputSwitch
+LOCAL_MODULE_TAGS := optional
+LOCAL_SYSTEM_EXT_MODULE := true
+LOCAL_PRIVILEGED_MODULE := true
+LOCAL_CERTIFICATE := platform
+LOCAL_PRIVATE_PLATFORM_APIS := true
+
+LOCAL_MANIFEST_FILE := AndroidManifest.xml
+LOCAL_SRC_FILES := $(call all-java-files-under, src)
+LOCAL_RESOURCE_DIR := $(LOCAL_PATH)/res
+
+include $(BUILD_PACKAGE)

AudioOutputSwitch/AndroidManifest.xml

@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="org.lineageos.tv.audiooutput"
+    android:versionCode="1"
+    android:versionName="1.0">
+
+    <uses-permission android:name="android.permission.MODIFY_AUDIO_ROUTING" />
+    <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
+    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
+    <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
+    <uses-permission android:name="android.permission.NETWORK_SETTINGS" />
+    <uses-permission android:name="android.permission.BLUETOOTH_CONNECT" />
+    <uses-permission android:name="android.permission.BLUETOOTH_PRIVILEGED" />
+
+    <application
+        android:allowBackup="false"
+        android:directBootAware="true"
+        android:extractNativeLibs="false"
+        android:icon="@drawable/sound_icon"
+        android:label="@string/app_name"
+        android:supportsRtl="true"
+        android:theme="@style/AudioOutputTheme"
+        android:usesNonSdkApi="true">
+
+        <activity
+            android:name=".AudioOutputActivity"
+            android:exported="true"
+            android:label="@string/sound_pref_title">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LEANBACK_LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <service
+            android:name=".BootMaintenanceService"
+            android:directBootAware="true"
+            android:enabled="true"
+            android:exported="false" />
+
+        <receiver
+            android:name=".BootReceiver"
+            android:directBootAware="true"
+            android:enabled="true"
+            android:exported="false">
+            <intent-filter>
+                <action android:name="android.intent.action.BOOT_COMPLETED" />
+                <action android:name="android.intent.action.LOCKED_BOOT_COMPLETED" />
+                <action android:name="android.bluetooth.adapter.action.STATE_CHANGED" />
+                <action android:name="android.net.wifi.WIFI_STATE_CHANGED" />
+            </intent-filter>
+        </receiver>
+    </application>
+</manifest>

AudioOutputSwitch/res/drawable/sound_icon.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="48dp"
+    android:height="48dp"
+    android:viewportWidth="48"
+    android:viewportHeight="48">
+    <path
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M6,18 L15,18 L27,8 L27,40 L15,30 L6,30 Z" />
+    <path
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M32,16 C35,18 37,21 37,24 C37,27 35,30 32,32 L30,28 C31.8,27 33,25.6 33,24 C33,22.4 31.8,21 30,20 Z" />
+    <path
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M36,9 C42,13 45,18.2 45,24 C45,29.8 42,35 36,39 L34,35 C38.5,32 41,28.2 41,24 C41,19.8 38.5,16 34,13 Z" />
+</vector>

AudioOutputSwitch/res/values/colors.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="audio_output_background">#101318</color>
+</resources>

AudioOutputSwitch/res/values/strings.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="app_name">Audio Output Switch</string>
+    <string name="sound_pref_title">Audio output</string>
+    <string name="sound_pref_summary">Choose the media playback device.</string>
+    <string name="audio_output_title">Audio output</string>
+    <string name="audio_output_summary">Select the output device used for media playback.</string>
+    <string name="system_default">System default</string>
+    <string name="unknown_device">Unknown audio device</string>
+    <string name="status_select_device">Choose an output device.</string>
+    <string name="status_selected">Using %1$s for media playback.</string>
+    <string name="status_default_selected">Using the system default audio output.</string>
+    <string name="status_device_unavailable">That audio device is no longer available.</string>
+    <string name="status_saved_device_cleared">Saved device is not currently safe to use: %1$s. Using system default.</string>
+    <string name="status_saved_device_missing">Saved device is not currently available: %1$s.</string>
+    <string name="status_route_rejected">Audio policy did not accept %1$s.</string>
+    <string name="status_default_rejected">Audio policy did not clear the preferred device.</string>
+    <string name="status_route_failed">Audio routing failed: %1$s</string>
+</resources>

AudioOutputSwitch/res/values/styles.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="AudioOutputTheme" parent="@android:style/Theme.Material.NoActionBar">
+        <item name="android:windowBackground">@color/audio_output_background</item>
+        <item name="android:fontFamily">sans</item>
+        <item name="android:colorAccent">#8AB4F8</item>
+    </style>
+</resources>

AudioOutputSwitch/src/org/lineageos/tv/audiooutput/AudioOutputActivity.java

@@ -0,0 +1,153 @@
+package org.lineageos.tv.audiooutput;
+
+import android.app.Activity;
+import android.content.Context;
+import android.graphics.Color;
+import android.os.Bundle;
+import android.view.Gravity;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.AdapterView;
+import android.widget.ArrayAdapter;
+import android.widget.CheckedTextView;
+import android.widget.LinearLayout;
+import android.widget.ListView;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import java.util.List;
+
+public final class AudioOutputActivity extends Activity {
+    private RouteAdapter mAdapter;
+    private ListView mListView;
+    private TextView mStatusView;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        buildUi();
+        refreshRoutes(getString(R.string.status_select_device));
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        refreshRoutes(null);
+    }
+
+    private void buildUi() {
+        LinearLayout root = new LinearLayout(this);
+        root.setOrientation(LinearLayout.VERTICAL);
+        root.setGravity(Gravity.CENTER_HORIZONTAL);
+        root.setPadding(dp(32), dp(28), dp(32), dp(24));
+        root.setBackgroundColor(Color.rgb(16, 19, 24));
+
+        TextView title = new TextView(this);
+        title.setText(R.string.audio_output_title);
+        title.setTextColor(Color.WHITE);
+        title.setTextSize(28);
+        title.setGravity(Gravity.START);
+        title.setPadding(0, 0, 0, dp(8));
+        root.addView(title, new LinearLayout.LayoutParams(
+                ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
+
+        TextView summary = new TextView(this);
+        summary.setText(R.string.audio_output_summary);
+        summary.setTextColor(Color.rgb(189, 197, 208));
+        summary.setTextSize(16);
+        summary.setPadding(0, 0, 0, dp(18));
+        root.addView(summary, new LinearLayout.LayoutParams(
+                ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
+
+        mListView = new ListView(this);
+        mListView.setChoiceMode(ListView.CHOICE_MODE_SINGLE);
+        mListView.setItemsCanFocus(false);
+        mListView.setSelector(android.R.drawable.list_selector_background);
+        mListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
+            @Override
+            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+                AudioRouteManager.RouteItem item = mAdapter.getItem(position);
+                if (item != null) {
+                    selectRoute(item);
+                }
+            }
+        });
+        root.addView(mListView, new LinearLayout.LayoutParams(
+                ViewGroup.LayoutParams.MATCH_PARENT, 0, 1.0f));
+
+        mStatusView = new TextView(this);
+        mStatusView.setTextColor(Color.rgb(213, 218, 226));
+        mStatusView.setTextSize(14);
+        mStatusView.setMinLines(2);
+        mStatusView.setGravity(Gravity.START | Gravity.CENTER_VERTICAL);
+        mStatusView.setPadding(0, dp(12), 0, 0);
+        root.addView(mStatusView, new LinearLayout.LayoutParams(
+                ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
+
+        setContentView(root);
+    }
+
+    private void refreshRoutes(String status) {
+        List<AudioRouteManager.RouteItem> routes = AudioRouteManager.getRouteItems(this);
+        if (mAdapter == null) {
+            mAdapter = new RouteAdapter(this, routes);
+            mListView.setAdapter(mAdapter);
+        } else {
+            mAdapter.clear();
+            mAdapter.addAll(routes);
+            mAdapter.notifyDataSetChanged();
+        }
+
+        int checked = AudioRouteManager.findSavedRouteIndex(this, routes);
+        if (checked >= 0) {
+            mListView.setItemChecked(checked, true);
+            mListView.setSelection(checked);
+        }
+
+        if (status != null) {
+            mStatusView.setText(status);
+        }
+    }
+
+    private void selectRoute(AudioRouteManager.RouteItem item) {
+        AudioRouteManager.RouteResult result;
+        if (item.isDefault()) {
+            result = AudioRouteManager.clearPreferredDeviceForMedia(this);
+            if (result.success) {
+                AudioRouteManager.saveDefaultRoute(this);
+            }
+        } else {
+            result = AudioRouteManager.setPreferredDeviceForMedia(this, item.device);
+            if (result.success) {
+                AudioRouteManager.saveRoute(this, item);
+            }
+        }
+
+        String message = result.message;
+        mStatusView.setText(message);
+        Toast.makeText(this, message, Toast.LENGTH_SHORT).show();
+        refreshRoutes(message);
+    }
+
+    private int dp(int value) {
+        return (int) (value * getResources().getDisplayMetrics().density + 0.5f);
+    }
+
+    private final class RouteAdapter extends ArrayAdapter<AudioRouteManager.RouteItem> {
+        RouteAdapter(Context context, List<AudioRouteManager.RouteItem> routes) {
+            super(context, android.R.layout.simple_list_item_single_choice, routes);
+        }
+
+        @Override
+        public View getView(int position, View convertView, ViewGroup parent) {
+            View view = super.getView(position, convertView, parent);
+            CheckedTextView text = (CheckedTextView) view.findViewById(android.R.id.text1);
+            text.setTextColor(Color.WHITE);
+            text.setTextSize(20);
+            text.setGravity(Gravity.CENTER_VERTICAL);
+            text.setMinHeight(dp(58));
+            text.setPadding(dp(16), 0, dp(16), 0);
+            return view;
+        }
+    }
+}