1 /* 2 * Copyright (C) 2018 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.android.settings.applications.appinfo; 18 19 import android.content.Context; 20 import android.content.Intent; 21 import android.content.pm.ApplicationInfo; 22 import android.content.pm.PackageManager; 23 import android.content.pm.ResolveInfo; 24 import android.support.annotation.VisibleForTesting; 25 import android.support.v7.preference.Preference; 26 import android.support.v7.preference.PreferenceScreen; 27 import android.text.TextUtils; 28 29 import com.android.settings.core.BasePreferenceController; 30 31 import java.util.List; 32 33 public class TimeSpentInAppPreferenceController extends BasePreferenceController { 34 35 @VisibleForTesting 36 static final Intent SEE_TIME_IN_APP_TEMPLATE = 37 new Intent("com.android.settings.action.TIME_SPENT_IN_APP"); 38 39 private final PackageManager mPackageManager; 40 41 private Intent mIntent; 42 private String mPackageName; 43 TimeSpentInAppPreferenceController(Context context, String preferenceKey)44 public TimeSpentInAppPreferenceController(Context context, String preferenceKey) { 45 super(context, preferenceKey); 46 mPackageManager = context.getPackageManager(); 47 } 48 setPackageName(String packageName)49 public void setPackageName(String packageName) { 50 mPackageName = packageName; 51 mIntent = new Intent(SEE_TIME_IN_APP_TEMPLATE) 52 .putExtra(Intent.EXTRA_PACKAGE_NAME, mPackageName); 53 } 54 55 @Override getAvailabilityStatus()56 public int getAvailabilityStatus() { 57 if (TextUtils.isEmpty(mPackageName)) { 58 return UNSUPPORTED_ON_DEVICE; 59 } 60 final List<ResolveInfo> resolved = mPackageManager.queryIntentActivities(mIntent, 61 0 /* flags */); 62 if (resolved == null || resolved.isEmpty()) { 63 return UNSUPPORTED_ON_DEVICE; 64 } 65 for (ResolveInfo info : resolved) { 66 if (isSystemApp(info)) { 67 return AVAILABLE; 68 } 69 } 70 return UNSUPPORTED_ON_DEVICE; 71 } 72 73 @Override displayPreference(PreferenceScreen screen)74 public void displayPreference(PreferenceScreen screen) { 75 super.displayPreference(screen); 76 final Preference pref = screen.findPreference(getPreferenceKey()); 77 if (pref != null) { 78 pref.setIntent(mIntent); 79 } 80 } 81 isSystemApp(ResolveInfo info)82 private boolean isSystemApp(ResolveInfo info) { 83 return info != null 84 && info.activityInfo != null 85 && info.activityInfo.applicationInfo != null 86 && (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 87 } 88 } 89