| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.android.car.pm; |
| |
| import android.app.Activity; |
| import android.car.Car; |
| import android.car.CarNotConnectedException; |
| import android.car.content.pm.CarPackageManager; |
| import android.content.ComponentName; |
| import android.content.Intent; |
| import android.content.ServiceConnection; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.Looper; |
| import android.util.Log; |
| import android.view.View; |
| import android.widget.Button; |
| |
| import com.android.car.CarLog; |
| import com.android.car.R; |
| |
| /** |
| * Default activity that will be launched when the current foreground activity is not allowed. |
| * Additional information on blocked Activity will be passed as extra in Intent |
| * via {@link #INTENT_KEY_BLOCKED_ACTIVITY} key. * |
| */ |
| public class ActivityBlockingActivity extends Activity { |
| |
| public static final String INTENT_KEY_BLOCKED_ACTIVITY = "blocked_activity"; |
| |
| private static final long AUTO_DISMISS_TIME_MS = 3000; |
| |
| private Handler mHandler; |
| |
| private Button mExitButton; |
| |
| private Car mCar; |
| |
| private boolean mExitRequested; |
| |
| private final Runnable mFinishRunnable = () -> handleFinish(); |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| setContentView(R.layout.activity_blocking); |
| mHandler = new Handler(Looper.getMainLooper()); |
| mExitButton = (Button) findViewById(R.id.botton_exit_now); |
| mExitButton.setOnClickListener((View v) -> handleFinish()); |
| mCar = Car.createCar(this, new ServiceConnection() { |
| |
| @Override |
| public void onServiceConnected(ComponentName name, IBinder service) { |
| if (mExitRequested) { |
| handleFinish(); |
| } |
| } |
| |
| @Override |
| public void onServiceDisconnected(ComponentName name) { |
| } |
| |
| }); |
| mCar.connect(); |
| } |
| |
| @Override |
| protected void onResume() { |
| super.onResume(); |
| mHandler.postDelayed(mFinishRunnable, AUTO_DISMISS_TIME_MS); |
| } |
| |
| @Override |
| protected void onDestroy() { |
| super.onDestroy(); |
| mHandler.removeCallbacks(mFinishRunnable); |
| mCar.disconnect(); |
| } |
| |
| private void handleFinish() { |
| if (!mCar.isConnected()) { |
| mExitRequested = true; |
| return; |
| } |
| if (isFinishing()) { |
| return; |
| } |
| try { |
| CarPackageManager carPm = (CarPackageManager) mCar.getCarManager(Car.PACKAGE_SERVICE); |
| |
| // finish itself only when it will not lead into another blocking |
| if (carPm.isActivityBackedBySafeActivity(getComponentName())) { |
| finish(); |
| return; |
| } |
| // back activity is not safe either. Now try home |
| Intent homeIntent = new Intent(Intent.ACTION_MAIN); |
| homeIntent.addCategory(Intent.CATEGORY_HOME); |
| PackageManager pm = getPackageManager(); |
| ComponentName homeComponent = homeIntent.resolveActivity(pm); |
| if (carPm.isActivityAllowedWhileDriving(homeComponent.getPackageName(), |
| homeComponent.getClassName())) { |
| startActivity(homeIntent); |
| finish(); |
| return; |
| } else { |
| Log.w(CarLog.TAG_AM, "Home activity is not in white list. Keep blocking activity. " |
| + ", Home Activity:" + homeComponent); |
| } |
| } catch (CarNotConnectedException e) { |
| Log.w(CarLog.TAG_AM, "Car service not avaiable, will finish", e); |
| finish(); |
| } |
| } |
| } |