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      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 static com.android.internal.logging.nano.MetricsProto.MetricsEvent.ACTION_OPEN_APP_SETTING;
     20 
     21 import android.content.Context;
     22 import android.content.Intent;
     23 import android.content.pm.ResolveInfo;
     24 import android.support.v7.preference.Preference;
     25 import android.text.TextUtils;
     26 
     27 import com.android.settings.overlay.FeatureFactory;
     28 
     29 public class AppSettingPreferenceController extends AppInfoPreferenceControllerBase {
     30 
     31     private String mPackageName;
     32 
     33     public AppSettingPreferenceController(Context context, String preferenceKey) {
     34         super(context, preferenceKey);
     35     }
     36 
     37     public AppSettingPreferenceController setPackageName(String packageName) {
     38         mPackageName = packageName;
     39         return this;
     40     }
     41 
     42     @Override
     43     public int getAvailabilityStatus() {
     44         if (TextUtils.isEmpty(mPackageName) || mParent == null) {
     45             return CONDITIONALLY_UNAVAILABLE;
     46         }
     47         final Intent intent = resolveIntent(
     48                 new Intent(Intent.ACTION_APPLICATION_PREFERENCES).setPackage(mPackageName));
     49         return intent != null ? AVAILABLE : CONDITIONALLY_UNAVAILABLE;
     50     }
     51 
     52     @Override
     53     public boolean handlePreferenceTreeClick(Preference preference) {
     54         if (!TextUtils.equals(preference.getKey(), getPreferenceKey())) {
     55             return false;
     56         }
     57         final Intent intent = resolveIntent(
     58                 new Intent(Intent.ACTION_APPLICATION_PREFERENCES).setPackage(mPackageName));
     59         if (intent == null) {
     60             return false;
     61         }
     62         FeatureFactory.getFactory(mContext).getMetricsFeatureProvider()
     63                 .actionWithSource(mContext, mParent.getMetricsCategory(),
     64                         ACTION_OPEN_APP_SETTING);
     65         mContext.startActivity(intent);
     66         return true;
     67     }
     68 
     69     private Intent resolveIntent(Intent i) {
     70         ResolveInfo result = mContext.getPackageManager().resolveActivity(i, 0);
     71         if (result != null) {
     72             return new Intent(i.getAction())
     73                     .setClassName(result.activityInfo.packageName, result.activityInfo.name);
     74         }
     75         return null;
     76     }
     77 }
     78