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      1 /*
      2  * Copyright (C) 2008 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;
     18 
     19 import android.app.AlertDialog;
     20 import android.app.Dialog;
     21 import android.content.DialogInterface;
     22 import android.os.BatteryManager;
     23 import android.os.Bundle;
     24 import android.os.SystemProperties;
     25 import android.preference.Preference;
     26 import android.preference.PreferenceActivity;
     27 import android.preference.PreferenceScreen;
     28 import android.preference.CheckBoxPreference;
     29 import android.provider.Settings;
     30 import android.text.TextUtils;
     31 
     32 /*
     33  * Displays preferences for application developers.
     34  */
     35 public class DevelopmentSettings extends PreferenceActivity
     36         implements DialogInterface.OnClickListener, DialogInterface.OnDismissListener {
     37 
     38     private static final String ENABLE_ADB = "enable_adb";
     39     private static final String KEEP_SCREEN_ON = "keep_screen_on";
     40     private static final String ALLOW_MOCK_LOCATION = "allow_mock_location";
     41 
     42     private CheckBoxPreference mEnableAdb;
     43     private CheckBoxPreference mKeepScreenOn;
     44     private CheckBoxPreference mAllowMockLocation;
     45 
     46     // To track whether Yes was clicked in the adb warning dialog
     47     private boolean mOkClicked;
     48 
     49     private Dialog mOkDialog;
     50 
     51     @Override
     52     protected void onCreate(Bundle icicle) {
     53         super.onCreate(icicle);
     54 
     55         addPreferencesFromResource(R.xml.development_prefs);
     56 
     57         mEnableAdb = (CheckBoxPreference) findPreference(ENABLE_ADB);
     58         mKeepScreenOn = (CheckBoxPreference) findPreference(KEEP_SCREEN_ON);
     59         mAllowMockLocation = (CheckBoxPreference) findPreference(ALLOW_MOCK_LOCATION);
     60     }
     61 
     62     @Override
     63     protected void onResume() {
     64         super.onResume();
     65 
     66         mEnableAdb.setChecked(Settings.Secure.getInt(getContentResolver(),
     67                 Settings.Secure.ADB_ENABLED, 0) != 0);
     68         mKeepScreenOn.setChecked(Settings.System.getInt(getContentResolver(),
     69                 Settings.System.STAY_ON_WHILE_PLUGGED_IN, 0) != 0);
     70         mAllowMockLocation.setChecked(Settings.Secure.getInt(getContentResolver(),
     71                 Settings.Secure.ALLOW_MOCK_LOCATION, 0) != 0);
     72     }
     73 
     74     @Override
     75     public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
     76 
     77         if (Utils.isMonkeyRunning()) {
     78             return false;
     79         }
     80 
     81         if (preference == mEnableAdb) {
     82             if (mEnableAdb.isChecked()) {
     83                 mOkClicked = false;
     84                 if (mOkDialog != null) dismissDialog();
     85                 mOkDialog = new AlertDialog.Builder(this).setMessage(
     86                         getResources().getString(R.string.adb_warning_message))
     87                         .setTitle(R.string.adb_warning_title)
     88                         .setIcon(android.R.drawable.ic_dialog_alert)
     89                         .setPositiveButton(android.R.string.yes, this)
     90                         .setNegativeButton(android.R.string.no, this)
     91                         .show();
     92                 mOkDialog.setOnDismissListener(this);
     93             } else {
     94                 Settings.Secure.putInt(getContentResolver(), Settings.Secure.ADB_ENABLED, 0);
     95             }
     96         } else if (preference == mKeepScreenOn) {
     97             Settings.System.putInt(getContentResolver(), Settings.System.STAY_ON_WHILE_PLUGGED_IN,
     98                     mKeepScreenOn.isChecked() ?
     99                     (BatteryManager.BATTERY_PLUGGED_AC | BatteryManager.BATTERY_PLUGGED_USB) : 0);
    100         } else if (preference == mAllowMockLocation) {
    101             Settings.Secure.putInt(getContentResolver(), Settings.Secure.ALLOW_MOCK_LOCATION,
    102                     mAllowMockLocation.isChecked() ? 1 : 0);
    103         }
    104 
    105         return false;
    106     }
    107 
    108     private void dismissDialog() {
    109         if (mOkDialog == null) return;
    110         mOkDialog.dismiss();
    111         mOkDialog = null;
    112     }
    113 
    114     public void onClick(DialogInterface dialog, int which) {
    115         if (which == DialogInterface.BUTTON_POSITIVE) {
    116             mOkClicked = true;
    117             Settings.Secure.putInt(getContentResolver(), Settings.Secure.ADB_ENABLED, 1);
    118         } else {
    119             // Reset the toggle
    120             mEnableAdb.setChecked(false);
    121         }
    122     }
    123 
    124     public void onDismiss(DialogInterface dialog) {
    125         // Assuming that onClick gets called first
    126         if (!mOkClicked) {
    127             mEnableAdb.setChecked(false);
    128         }
    129     }
    130 
    131     @Override
    132     public void onDestroy() {
    133         dismissDialog();
    134         super.onDestroy();
    135     }
    136 }
    137