1 /* 2 * Copyright (C) 2023 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.example.android.vdmdemo.host; 18 19 import android.Manifest; 20 import android.app.AlertDialog; 21 import android.content.ComponentName; 22 import android.content.Context; 23 import android.content.Intent; 24 import android.content.ServiceConnection; 25 import android.content.pm.PackageManager; 26 import android.os.Bundle; 27 import android.os.IBinder; 28 import android.util.Log; 29 import android.view.Menu; 30 import android.view.MenuInflater; 31 import android.view.MenuItem; 32 import android.view.View; 33 import android.widget.Button; 34 import android.widget.GridView; 35 36 import androidx.activity.result.ActivityResultLauncher; 37 import androidx.activity.result.contract.ActivityResultContracts.RequestPermission; 38 import androidx.appcompat.app.AppCompatActivity; 39 import androidx.appcompat.widget.Toolbar; 40 import androidx.core.content.ContextCompat; 41 42 import com.example.android.vdmdemo.common.EdgeToEdgeUtils; 43 44 import dagger.hilt.android.AndroidEntryPoint; 45 46 import java.util.function.Consumer; 47 48 import javax.inject.Inject; 49 50 /** 51 * VDM Host activity, streaming apps to a remote device and processing the input coming from there. 52 */ 53 @AndroidEntryPoint(AppCompatActivity.class) 54 public class MainActivity extends Hilt_MainActivity { 55 public static final String TAG = "VdmHost"; 56 57 private VdmService mVdmService = null; 58 private GridView mLauncher = null; 59 private Button mHomeDisplayButton = null; 60 private Button mMirrorDisplayButton = null; 61 private LauncherAdapter mLauncherAdapter = null; 62 private final Consumer<Boolean> mVirtualDeviceListener = this::updateLauncherVisibility; 63 64 private final ActivityResultLauncher<String> mRequestPermissionLauncher = 65 registerForActivityResult(new RequestPermission(), isGranted -> { 66 // no-op 67 }); 68 69 private final ActivityResultLauncher<String> mVdmServicePermissionLauncher = 70 registerForActivityResult(new RequestPermission(), isGranted -> { 71 if (mVdmService == null) { 72 attemptStartVdmService(); 73 } 74 }); 75 76 private final ServiceConnection mServiceConnection = 77 new ServiceConnection() { 78 79 @Override 80 public void onServiceConnected(ComponentName className, IBinder binder) { 81 Log.i(TAG, "Connected to VDM Service"); 82 mVdmService = ((VdmService.LocalBinder) binder).getService(); 83 mVdmService.addVirtualDeviceListener(mVirtualDeviceListener); 84 updateLauncherVisibility(mVdmService.isVirtualDeviceActive()); 85 } 86 87 @Override 88 public void onServiceDisconnected(ComponentName className) { 89 Log.i(TAG, "Disconnected from VDM Service"); 90 mVdmService = null; 91 } 92 }; 93 94 @Inject 95 PreferenceController mPreferenceController; 96 97 @Override onCreate(Bundle savedInstanceState)98 public void onCreate(Bundle savedInstanceState) { 99 super.onCreate(savedInstanceState); 100 101 setContentView(R.layout.activity_main); 102 Toolbar toolbar = requireViewById(R.id.main_tool_bar); 103 setSupportActionBar(toolbar); 104 105 EdgeToEdgeUtils.applyTopInsets(toolbar); 106 107 mHomeDisplayButton = requireViewById(R.id.create_home_display); 108 mHomeDisplayButton.setVisibility(View.GONE); 109 mMirrorDisplayButton = requireViewById(R.id.create_mirror_display); 110 mMirrorDisplayButton.setVisibility(View.GONE); 111 112 mLauncherAdapter = new LauncherAdapter(this, mPreferenceController); 113 mLauncher = requireViewById(R.id.app_grid); 114 mLauncher.setVisibility(View.GONE); 115 mLauncher.setAdapter(mLauncherAdapter); 116 mLauncher.setOnItemClickListener( 117 (parent, v, position, id) -> { 118 Intent intent = mLauncherAdapter.createPendingRemoteIntent(position); 119 if (intent == null || mVdmService == null) { 120 return; 121 } 122 mVdmService.startStreaming(intent); 123 }); 124 mLauncher.setOnItemLongClickListener( 125 (parent, v, position, id) -> { 126 Intent intent = mLauncherAdapter.createPendingRemoteIntent(position); 127 if (intent == null || mVdmService == null) { 128 return true; 129 } 130 int[] remoteDisplayIds = mVdmService.getRemoteDisplayIds(); 131 if (remoteDisplayIds.length == 0) { 132 mVdmService.startStreaming(intent); 133 } else { 134 String[] displays = new String[remoteDisplayIds.length + 1]; 135 for (int i = 0; i < remoteDisplayIds.length; ++i) { 136 displays[i] = "Display " + remoteDisplayIds[i]; 137 } 138 displays[remoteDisplayIds.length] = "New display"; 139 AlertDialog.Builder alertDialogBuilder = 140 new AlertDialog.Builder(MainActivity.this); 141 alertDialogBuilder.setTitle("Choose display"); 142 alertDialogBuilder.setItems( 143 displays, 144 (dialog, which) -> { 145 if (which == remoteDisplayIds.length) { 146 mVdmService.startStreaming(intent); 147 } else { 148 mVdmService.startIntentOnDisplayIndex(intent, which); 149 } 150 }); 151 alertDialogBuilder.show(); 152 } 153 return true; 154 }); 155 } 156 157 @Override onStart()158 protected void onStart() { 159 super.onStart(); 160 attemptStartVdmService(); 161 } 162 163 @Override onResume()164 protected void onResume() { 165 super.onResume(); 166 if (ContextCompat.checkSelfPermission(this, Manifest.permission.RECORD_AUDIO) 167 == PackageManager.PERMISSION_DENIED) { 168 mRequestPermissionLauncher.launch(Manifest.permission.RECORD_AUDIO); 169 } 170 } 171 172 @Override onStop()173 protected void onStop() { 174 super.onStop(); 175 if (mVdmService != null) { 176 mVdmService.removeVirtualDeviceListener(mVirtualDeviceListener); 177 } 178 unbindService(mServiceConnection); 179 } 180 attemptStartVdmService()181 private void attemptStartVdmService() { 182 // Need NEARBY_WIFI_DEVICES for WifiAware 183 if (ContextCompat.checkSelfPermission(this, Manifest.permission.NEARBY_WIFI_DEVICES) 184 == PackageManager.PERMISSION_DENIED) { 185 mVdmServicePermissionLauncher.launch(Manifest.permission.NEARBY_WIFI_DEVICES); 186 return; 187 } 188 189 // Need POST_NOTIFICATIONS for the foreground Service Notification 190 if (ContextCompat.checkSelfPermission(this, Manifest.permission.POST_NOTIFICATIONS) 191 == PackageManager.PERMISSION_DENIED) { 192 mVdmServicePermissionLauncher.launch(Manifest.permission.POST_NOTIFICATIONS); 193 return; 194 } 195 Log.i(TAG, "Starting Vdm Host service"); 196 Intent intent = new Intent(this, VdmService.class); 197 startForegroundService(intent); 198 bindService(intent, mServiceConnection, Context.BIND_AUTO_CREATE); 199 } 200 updateLauncherVisibility(boolean virtualDeviceActive)201 private void updateLauncherVisibility(boolean virtualDeviceActive) { 202 final int visibility = virtualDeviceActive ? View.VISIBLE : View.GONE; 203 runOnUiThread( 204 () -> { 205 if (mLauncher != null) { 206 mLauncherAdapter.update(); 207 if (mPreferenceController.getBoolean( 208 R.string.internal_pref_home_displays_supported)) { 209 mLauncher.setVisibility(visibility); 210 } else { 211 mLauncher.setVisibility(View.GONE); 212 } 213 } 214 if (mHomeDisplayButton != null) { 215 mHomeDisplayButton.setEnabled( 216 mPreferenceController.getBoolean( 217 R.string.internal_pref_home_displays_supported)); 218 mHomeDisplayButton.setVisibility(visibility); 219 } 220 if (mMirrorDisplayButton != null) { 221 mMirrorDisplayButton.setEnabled( 222 VdmCompat.isMirrorDisplaySupported(this, mPreferenceController)); 223 mMirrorDisplayButton.setVisibility(visibility); 224 } 225 }); 226 } 227 228 /** Process a home display request. */ onCreateHomeDisplay(View view)229 public void onCreateHomeDisplay(View view) { 230 mVdmService.startStreamingHome(); 231 } 232 233 /** Process a mirror display request. */ onCreateMirrorDisplay(View view)234 public void onCreateMirrorDisplay(View view) { 235 mVdmService.startMirroring(); 236 } 237 238 @Override onCreateOptionsMenu(Menu menu)239 public boolean onCreateOptionsMenu(Menu menu) { 240 MenuInflater inflater = getMenuInflater(); 241 inflater.inflate(R.menu.options, menu); 242 return true; 243 } 244 245 @Override onOptionsItemSelected(MenuItem item)246 public boolean onOptionsItemSelected(MenuItem item) { 247 switch (item.getItemId()) { 248 case R.id.settings: 249 startActivity(new Intent(this, SettingsActivity.class)); 250 return true; 251 case R.id.input: 252 startActivity(new Intent(this, InputActivity.class)); 253 return true; 254 default: 255 return super.onOptionsItemSelected(item); 256 } 257 } 258 } 259