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.development;
18 
19 import static com.android.settings.development.DevelopmentOptionsActivityRequestCodes.REQUEST_CODE_DEBUG_APP;
20 
21 import android.app.Activity;
22 import android.content.Context;
23 import android.content.Intent;
24 import android.content.pm.ApplicationInfo;
25 import android.content.pm.PackageManager;
26 import android.provider.Settings;
27 
28 import androidx.annotation.VisibleForTesting;
29 import androidx.preference.Preference;
30 
31 import com.android.settings.R;
32 import com.android.settings.core.PreferenceControllerMixin;
33 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
34 
35 public class SelectDebugAppPreferenceController extends DeveloperOptionsPreferenceController
36         implements PreferenceControllerMixin, OnActivityResultListener {
37 
38     private static final String DEBUG_APP_KEY = "debug_app";
39 
40     private final DevelopmentSettingsDashboardFragment mFragment;
41     private final PackageManager mPackageManager;
42 
SelectDebugAppPreferenceController(Context context, DevelopmentSettingsDashboardFragment fragment)43     public SelectDebugAppPreferenceController(Context context,
44             DevelopmentSettingsDashboardFragment fragment) {
45         super(context);
46         mFragment = fragment;
47         mPackageManager = mContext.getPackageManager();
48     }
49 
50     @Override
getPreferenceKey()51     public String getPreferenceKey() {
52         return DEBUG_APP_KEY;
53     }
54 
55     @Override
handlePreferenceTreeClick(Preference preference)56     public boolean handlePreferenceTreeClick(Preference preference) {
57         if (DEBUG_APP_KEY.equals(preference.getKey())) {
58             final Intent intent = getActivityStartIntent();
59             intent.putExtra(AppPicker.EXTRA_DEBUGGABLE, true /* value */);
60             mFragment.startActivityForResult(intent, REQUEST_CODE_DEBUG_APP);
61             return true;
62         }
63         return false;
64     }
65 
66     @Override
updateState(Preference preference)67     public void updateState(Preference preference) {
68         updatePreferenceSummary();
69     }
70 
71     @Override
onActivityResult(int requestCode, int resultCode, Intent data)72     public boolean onActivityResult(int requestCode, int resultCode, Intent data) {
73         if (requestCode != REQUEST_CODE_DEBUG_APP || resultCode != Activity.RESULT_OK) {
74             return false;
75         }
76         Settings.Global.putString(mContext.getContentResolver(), Settings.Global.DEBUG_APP,
77                 data.getAction());
78         updatePreferenceSummary();
79         return true;
80     }
81 
82     @Override
onDeveloperOptionsSwitchDisabled()83     protected void onDeveloperOptionsSwitchDisabled() {
84         super.onDeveloperOptionsSwitchDisabled();
85         mPreference.setSummary(mContext.getResources().getString(R.string.debug_app_not_set));
86     }
87 
88     @VisibleForTesting
getActivityStartIntent()89     Intent getActivityStartIntent() {
90         return new Intent(mContext, AppPicker.class);
91     }
92 
updatePreferenceSummary()93     private void updatePreferenceSummary() {
94         final String debugApp = Settings.Global.getString(
95                 mContext.getContentResolver(), Settings.Global.DEBUG_APP);
96         if (debugApp != null && debugApp.length() > 0) {
97             mPreference.setSummary(mContext.getResources().getString(R.string.debug_app_set,
98                     getAppLabel(debugApp)));
99         } else {
100             mPreference.setSummary(mContext.getResources().getString(R.string.debug_app_not_set));
101         }
102     }
103 
getAppLabel(String debugApp)104     private String getAppLabel(String debugApp) {
105         try {
106             final ApplicationInfo ai = mPackageManager.getApplicationInfo(debugApp,
107                     PackageManager.GET_DISABLED_COMPONENTS);
108             final CharSequence lab = mPackageManager.getApplicationLabel(ai);
109             return lab != null ? lab.toString() : debugApp;
110         } catch (PackageManager.NameNotFoundException e) {
111             return debugApp;
112         }
113     }
114 }
115