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      1 /*
      2  * Copyright (C) 2017 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.intelligence;
     18 
     19 import android.app.Service;
     20 import android.content.Intent;
     21 import android.content.pm.PackageManager;
     22 import android.content.pm.ResolveInfo;
     23 import android.os.IBinder;
     24 import android.support.annotation.VisibleForTesting;
     25 
     26 import com.android.settings.intelligence.suggestions.model.SuggestionCategory;
     27 import com.android.settings.intelligence.suggestions.model.SuggestionCategoryRegistry;
     28 
     29 import java.io.FileDescriptor;
     30 import java.io.PrintWriter;
     31 import java.util.List;
     32 
     33 /**
     34  * A service that reacts to adb shell dumpsys.
     35  * <p/>
     36  * adb shell am startservice com.android.settings.intelligence/\
     37  *      .SettingsIntelligenceDumpService
     38  * adb shell dumpsys activity service com.android.settings.intelligence/\
     39  *      .SettingsIntelligenceDumpService
     40  */
     41 public class SettingsIntelligenceDumpService extends Service {
     42 
     43     private static final String KEY_SUGGESTION_CATEGORY = "suggestion_category: ";
     44 
     45     @Override
     46     public IBinder onBind(Intent intent) {
     47         return null;
     48     }
     49 
     50     @Override
     51     protected void dump(FileDescriptor fd, PrintWriter writer, String[] args) {
     52         final StringBuilder dump = new StringBuilder();
     53         dump.append(getString(R.string.app_name_settings_intelligence))
     54                 .append('\n')
     55                 .append(dumpSuggestions());
     56         writer.println(dump.toString());
     57     }
     58 
     59     @VisibleForTesting
     60     String dumpSuggestions() {
     61         final StringBuilder dump = new StringBuilder();
     62         final PackageManager pm = getPackageManager();
     63         dump.append(" suggestion dump\n");
     64         for (SuggestionCategory category : SuggestionCategoryRegistry.CATEGORIES) {
     65             dump.append(KEY_SUGGESTION_CATEGORY)
     66                     .append(category.getCategory())
     67                     .append('\n');
     68 
     69             final Intent probe = new Intent(Intent.ACTION_MAIN);
     70             probe.addCategory(category.getCategory());
     71             final List<ResolveInfo> results = pm
     72                     .queryIntentActivities(probe, PackageManager.GET_META_DATA);
     73             if (results == null || results.isEmpty()) {
     74                 continue;
     75             }
     76             for (ResolveInfo info : results) {
     77                 dump.append("\t\t")
     78                         .append(info.activityInfo.packageName)
     79                         .append('/')
     80                         .append(info.activityInfo.name)
     81                         .append('\n');
     82             }
     83         }
     84         return dump.toString();
     85     }
     86 }
     87