src/com/android/settings/DevelopmentSettings.java

   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         // Those monkeys kept committing suicide, so we add this property
  78         // to disable this functionality
  79         if (!TextUtils.isEmpty(SystemProperties.get("ro.monkey"))) {
  80             return false;
  81         }
  82
  83         if (preference == mEnableAdb) {
  84             if (mEnableAdb.isChecked()) {
  85                 mOkClicked = false;
  86                 if (mOkDialog != null) dismissDialog();
  87                 mOkDialog = new AlertDialog.Builder(this).setMessage(
  88                         getResources().getString(R.string.adb_warning_message))
  89                         .setTitle(R.string.adb_warning_title)
  90                         .setIcon(android.R.drawable.ic_dialog_alert)
  91                         .setPositiveButton(android.R.string.yes, this)
  92                         .setNegativeButton(android.R.string.no, this)
  93                         .show();
  94                 mOkDialog.setOnDismissListener(this);
  95             } else {
  96                 Settings.Secure.putInt(getContentResolver(), Settings.Secure.ADB_ENABLED, 0);
  97             }
  98         } else if (preference == mKeepScreenOn) {
  99             Settings.System.putInt(getContentResolver(), Settings.System.STAY_ON_WHILE_PLUGGED_IN,
 100                     mKeepScreenOn.isChecked() ?
 101                     (BatteryManager.BATTERY_PLUGGED_AC | BatteryManager.BATTERY_PLUGGED_USB) : 0);
 102         } else if (preference == mAllowMockLocation) {
 103             Settings.Secure.putInt(getContentResolver(), Settings.Secure.ALLOW_MOCK_LOCATION,
 104                     mAllowMockLocation.isChecked() ? 1 : 0);
 105         }
 106
 107         return false;
 108     }
 109
 110     private void dismissDialog() {
 111         if (mOkDialog == null) return;
 112         mOkDialog.dismiss();
 113         mOkDialog = null;
 114     }
 115
 116     public void onClick(DialogInterface dialog, int which) {
 117         if (which == DialogInterface.BUTTON_POSITIVE) {
 118             mOkClicked = true;
 119             Settings.Secure.putInt(getContentResolver(), Settings.Secure.ADB_ENABLED, 1);
 120         } else {
 121             // Reset the toggle
 122             mEnableAdb.setChecked(false);
 123         }
 124     }
 125
 126     public void onDismiss(DialogInterface dialog) {
 127         // Assuming that onClick gets called first
 128         if (!mOkClicked) {
 129             mEnableAdb.setChecked(false);
 130         }
 131     }
 132
 133     @Override
 134     public void onDestroy() {
 135         dismissDialog();
 136         super.onDestroy();
 137     }
 138 }