| /* |
| * Copyright (C) 2009 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.settings.widget; |
| |
| import android.app.PendingIntent; |
| import android.appwidget.AppWidgetManager; |
| import android.appwidget.AppWidgetProvider; |
| import android.bluetooth.BluetoothAdapter; |
| import android.content.ComponentName; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.IContentService; |
| import android.content.Intent; |
| import android.content.pm.PackageManager; |
| import android.location.LocationManager; |
| import android.net.ConnectivityManager; |
| import android.net.Uri; |
| import android.net.wifi.WifiManager; |
| import android.os.AsyncTask; |
| import android.os.IPowerManager; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.provider.Settings; |
| import android.util.Log; |
| import android.widget.RemoteViews; |
| import com.android.settings.R; |
| import com.android.settings.bluetooth.LocalBluetoothManager; |
| |
| /** |
| * Provides control of power-related settings from a widget. |
| */ |
| public class SettingsAppWidgetProvider extends AppWidgetProvider { |
| static final String TAG = "SettingsAppWidgetProvider"; |
| |
| static final ComponentName THIS_APPWIDGET = |
| new ComponentName("com.android.settings", |
| "com.android.settings.widget.SettingsAppWidgetProvider"); |
| |
| private static LocalBluetoothManager sLocalBluetoothManager = null; |
| |
| private static final int BUTTON_WIFI = 0; |
| private static final int BUTTON_BRIGHTNESS = 1; |
| private static final int BUTTON_SYNC = 2; |
| private static final int BUTTON_GPS = 3; |
| private static final int BUTTON_BLUETOOTH = 4; |
| |
| // This widget keeps track of two sets of states: |
| // "3-state": STATE_DISABLED, STATE_ENABLED, STATE_INTERMEDIATE |
| // "5-state": STATE_DISABLED, STATE_ENABLED, STATE_TURNING_ON, STATE_TURNING_OFF, STATE_UNKNOWN |
| private static final int STATE_DISABLED = 0; |
| private static final int STATE_ENABLED = 1; |
| private static final int STATE_TURNING_ON = 2; |
| private static final int STATE_TURNING_OFF = 3; |
| private static final int STATE_UNKNOWN = 4; |
| private static final int STATE_INTERMEDIATE = 5; |
| |
| |
| /** |
| * Minimum and maximum brightnesses. Don't go to 0 since that makes the display unusable |
| */ |
| private static final int MINIMUM_BACKLIGHT = android.os.Power.BRIGHTNESS_DIM + 10; |
| private static final int MAXIMUM_BACKLIGHT = android.os.Power.BRIGHTNESS_ON; |
| private static final int DEFAULT_BACKLIGHT = (int) (android.os.Power.BRIGHTNESS_ON * 0.4f); |
| |
| private static final StateTracker sWifiState = new WifiStateTracker(); |
| private static final StateTracker sBluetoothState = new BluetoothStateTracker(); |
| |
| /** |
| * The state machine for Wifi and Bluetooth toggling, tracking |
| * reality versus the user's intent. |
| * |
| * This is necessary because reality moves relatively slowly |
| * (turning on & off radio drivers), compared to user's |
| * expectations. |
| */ |
| private abstract static class StateTracker { |
| // Is the state in the process of changing? |
| private boolean mInTransition = false; |
| private Boolean mActualState = null; // initially not set |
| private Boolean mIntendedState = null; // initially not set |
| |
| // Did a toggle request arrive while a state update was |
| // already in-flight? If so, the mIntendedState needs to be |
| // requested when the other one is done, unless we happened to |
| // arrive at that state already. |
| private boolean mDeferredStateChangeRequestNeeded = false; |
| |
| /** |
| * User pressed a button to change the state. Something |
| * should immediately appear to the user afterwards, even if |
| * we effectively do nothing. Their press must be heard. |
| */ |
| public final void toggleState(Context context) { |
| int currentState = getTriState(context); |
| boolean newState = false; |
| switch (currentState) { |
| case STATE_ENABLED: |
| newState = false; |
| break; |
| case STATE_DISABLED: |
| newState = true; |
| break; |
| case STATE_INTERMEDIATE: |
| if (mIntendedState != null) { |
| newState = !mIntendedState; |
| } |
| break; |
| } |
| mIntendedState = newState; |
| if (mInTransition) { |
| // We don't send off a transition request if we're |
| // already transitioning. Makes our state tracking |
| // easier, and is probably nicer on lower levels. |
| // (even though they should be able to take it...) |
| mDeferredStateChangeRequestNeeded = true; |
| } else { |
| mInTransition = true; |
| requestStateChange(context, newState); |
| } |
| } |
| |
| /** |
| * Update internal state from a broadcast state change. |
| */ |
| public abstract void onActualStateChange(Context context, Intent intent); |
| |
| /** |
| * Sets the value that we're now in. To be called from onActualStateChange. |
| * |
| * @param newState one of STATE_DISABLED, STATE_ENABLED, STATE_TURNING_ON, |
| * STATE_TURNING_OFF, STATE_UNKNOWN |
| */ |
| protected final void setCurrentState(Context context, int newState) { |
| final boolean wasInTransition = mInTransition; |
| switch (newState) { |
| case STATE_DISABLED: |
| mInTransition = false; |
| mActualState = false; |
| break; |
| case STATE_ENABLED: |
| mInTransition = false; |
| mActualState = true; |
| break; |
| case STATE_TURNING_ON: |
| mInTransition = true; |
| mActualState = false; |
| break; |
| case STATE_TURNING_OFF: |
| mInTransition = true; |
| mActualState = true; |
| break; |
| } |
| |
| if (wasInTransition && !mInTransition) { |
| if (mDeferredStateChangeRequestNeeded) { |
| Log.v(TAG, "processing deferred state change"); |
| if (mActualState != null && mIntendedState != null && |
| mIntendedState.equals(mActualState)) { |
| Log.v(TAG, "... but intended state matches, so no changes."); |
| } else if (mIntendedState != null) { |
| mInTransition = true; |
| requestStateChange(context, mIntendedState); |
| } |
| mDeferredStateChangeRequestNeeded = false; |
| } |
| } |
| } |
| |
| |
| /** |
| * If we're in a transition mode, this returns true if we're |
| * transitioning towards being enabled. |
| */ |
| public final boolean isTurningOn() { |
| return mIntendedState != null && mIntendedState; |
| } |
| |
| /** |
| * Returns simplified 3-state value from underlying 5-state. |
| * |
| * @param context |
| * @return STATE_ENABLED, STATE_DISABLED, or STATE_INTERMEDIATE |
| */ |
| public final int getTriState(Context context) { |
| if (mInTransition) { |
| // If we know we just got a toggle request recently |
| // (which set mInTransition), don't even ask the |
| // underlying interface for its state. We know we're |
| // changing. This avoids blocking the UI thread |
| // during UI refresh post-toggle if the underlying |
| // service state accessor has coarse locking on its |
| // state (to be fixed separately). |
| return STATE_INTERMEDIATE; |
| } |
| switch (getActualState(context)) { |
| case STATE_DISABLED: |
| return STATE_DISABLED; |
| case STATE_ENABLED: |
| return STATE_ENABLED; |
| default: |
| return STATE_INTERMEDIATE; |
| } |
| } |
| |
| /** |
| * Gets underlying actual state. |
| * |
| * @param context |
| * @return STATE_ENABLED, STATE_DISABLED, STATE_ENABLING, STATE_DISABLING, |
| * or or STATE_UNKNOWN. |
| */ |
| public abstract int getActualState(Context context); |
| |
| /** |
| * Actually make the desired change to the underlying radio |
| * API. |
| */ |
| protected abstract void requestStateChange(Context context, boolean desiredState); |
| } |
| |
| /** |
| * Subclass of StateTracker to get/set Wifi state. |
| */ |
| private static final class WifiStateTracker extends StateTracker { |
| @Override |
| public int getActualState(Context context) { |
| WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE); |
| if (wifiManager != null) { |
| return wifiStateToFiveState(wifiManager.getWifiState()); |
| } |
| return STATE_UNKNOWN; |
| } |
| |
| @Override |
| protected void requestStateChange(Context context, final boolean desiredState) { |
| final WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE); |
| if (wifiManager == null) { |
| Log.d(TAG, "No wifiManager."); |
| return; |
| } |
| |
| // Actually request the wifi change and persistent |
| // settings write off the UI thread, as it can take a |
| // user-noticeable amount of time, especially if there's |
| // disk contention. |
| new AsyncTask<Void, Void, Void>() { |
| @Override |
| protected Void doInBackground(Void... args) { |
| /** |
| * Disable tethering if enabling Wifi |
| */ |
| int wifiApState = wifiManager.getWifiApState(); |
| if (desiredState && ((wifiApState == WifiManager.WIFI_AP_STATE_ENABLING) || |
| (wifiApState == WifiManager.WIFI_AP_STATE_ENABLED))) { |
| wifiManager.setWifiApEnabled(null, false); |
| } |
| |
| wifiManager.setWifiEnabled(desiredState); |
| return null; |
| } |
| }.execute(); |
| } |
| |
| @Override |
| public void onActualStateChange(Context context, Intent intent) { |
| if (!WifiManager.WIFI_STATE_CHANGED_ACTION.equals(intent.getAction())) { |
| return; |
| } |
| int wifiState = intent.getIntExtra(WifiManager.EXTRA_WIFI_STATE, -1); |
| setCurrentState(context, wifiStateToFiveState(wifiState)); |
| } |
| |
| /** |
| * Converts WifiManager's state values into our |
| * Wifi/Bluetooth-common state values. |
| */ |
| private static int wifiStateToFiveState(int wifiState) { |
| switch (wifiState) { |
| case WifiManager.WIFI_STATE_DISABLED: |
| return STATE_DISABLED; |
| case WifiManager.WIFI_STATE_ENABLED: |
| return STATE_ENABLED; |
| case WifiManager.WIFI_STATE_DISABLING: |
| return STATE_TURNING_OFF; |
| case WifiManager.WIFI_STATE_ENABLING: |
| return STATE_TURNING_ON; |
| default: |
| return STATE_UNKNOWN; |
| } |
| } |
| } |
| |
| /** |
| * Subclass of StateTracker to get/set Bluetooth state. |
| */ |
| private static final class BluetoothStateTracker extends StateTracker { |
| |
| @Override |
| public int getActualState(Context context) { |
| if (sLocalBluetoothManager == null) { |
| sLocalBluetoothManager = LocalBluetoothManager.getInstance(context); |
| if (sLocalBluetoothManager == null) { |
| return STATE_UNKNOWN; // On emulator? |
| } |
| } |
| return bluetoothStateToFiveState(sLocalBluetoothManager.getBluetoothState()); |
| } |
| |
| @Override |
| protected void requestStateChange(Context context, final boolean desiredState) { |
| if (sLocalBluetoothManager == null) { |
| Log.d(TAG, "No LocalBluetoothManager"); |
| return; |
| } |
| // Actually request the Bluetooth change and persistent |
| // settings write off the UI thread, as it can take a |
| // user-noticeable amount of time, especially if there's |
| // disk contention. |
| new AsyncTask<Void, Void, Void>() { |
| @Override |
| protected Void doInBackground(Void... args) { |
| sLocalBluetoothManager.setBluetoothEnabled(desiredState); |
| return null; |
| } |
| }.execute(); |
| } |
| |
| @Override |
| public void onActualStateChange(Context context, Intent intent) { |
| if (!BluetoothAdapter.ACTION_STATE_CHANGED.equals(intent.getAction())) { |
| return; |
| } |
| int bluetoothState = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, -1); |
| setCurrentState(context, bluetoothStateToFiveState(bluetoothState)); |
| } |
| |
| /** |
| * Converts BluetoothAdapter's state values into our |
| * Wifi/Bluetooth-common state values. |
| */ |
| private static int bluetoothStateToFiveState(int bluetoothState) { |
| switch (bluetoothState) { |
| case BluetoothAdapter.STATE_OFF: |
| return STATE_DISABLED; |
| case BluetoothAdapter.STATE_ON: |
| return STATE_ENABLED; |
| case BluetoothAdapter.STATE_TURNING_ON: |
| return STATE_TURNING_ON; |
| case BluetoothAdapter.STATE_TURNING_OFF: |
| return STATE_TURNING_OFF; |
| default: |
| return STATE_UNKNOWN; |
| } |
| } |
| } |
| |
| |
| @Override |
| public void onUpdate(Context context, AppWidgetManager appWidgetManager, |
| int[] appWidgetIds) { |
| // Update each requested appWidgetId |
| RemoteViews view = buildUpdate(context, -1); |
| |
| for (int i = 0; i < appWidgetIds.length; i++) { |
| appWidgetManager.updateAppWidget(appWidgetIds[i], view); |
| } |
| } |
| |
| @Override |
| public void onEnabled(Context context) { |
| PackageManager pm = context.getPackageManager(); |
| pm.setComponentEnabledSetting( |
| new ComponentName("com.android.settings", ".widget.SettingsAppWidgetProvider"), |
| PackageManager.COMPONENT_ENABLED_STATE_ENABLED, |
| PackageManager.DONT_KILL_APP); |
| } |
| |
| @Override |
| public void onDisabled(Context context) { |
| Class clazz = com.android.settings.widget.SettingsAppWidgetProvider.class; |
| PackageManager pm = context.getPackageManager(); |
| pm.setComponentEnabledSetting( |
| new ComponentName("com.android.settings", ".widget.SettingsAppWidgetProvider"), |
| PackageManager.COMPONENT_ENABLED_STATE_DISABLED, |
| PackageManager.DONT_KILL_APP); |
| } |
| |
| /** |
| * Load image for given widget and build {@link RemoteViews} for it. |
| */ |
| static RemoteViews buildUpdate(Context context, int appWidgetId) { |
| RemoteViews views = new RemoteViews(context.getPackageName(), |
| R.layout.widget); |
| views.setOnClickPendingIntent(R.id.btn_wifi, getLaunchPendingIntent(context, appWidgetId, |
| BUTTON_WIFI)); |
| views.setOnClickPendingIntent(R.id.btn_brightness, |
| getLaunchPendingIntent(context, |
| appWidgetId, BUTTON_BRIGHTNESS)); |
| views.setOnClickPendingIntent(R.id.btn_sync, |
| getLaunchPendingIntent(context, |
| appWidgetId, BUTTON_SYNC)); |
| views.setOnClickPendingIntent(R.id.btn_gps, |
| getLaunchPendingIntent(context, appWidgetId, BUTTON_GPS)); |
| views.setOnClickPendingIntent(R.id.btn_bluetooth, |
| getLaunchPendingIntent(context, |
| appWidgetId, BUTTON_BLUETOOTH)); |
| |
| updateButtons(views, context); |
| return views; |
| } |
| |
| /** |
| * Updates the widget when something changes, or when a button is pushed. |
| * |
| * @param context |
| */ |
| public static void updateWidget(Context context) { |
| RemoteViews views = buildUpdate(context, -1); |
| // Update specific list of appWidgetIds if given, otherwise default to all |
| final AppWidgetManager gm = AppWidgetManager.getInstance(context); |
| gm.updateAppWidget(THIS_APPWIDGET, views); |
| } |
| |
| /** |
| * Updates the buttons based on the underlying states of wifi, etc. |
| * |
| * @param views The RemoteViews to update. |
| * @param context |
| */ |
| private static void updateButtons(RemoteViews views, Context context) { |
| switch (sWifiState.getTriState(context)) { |
| case STATE_DISABLED: |
| views.setImageViewResource(R.id.img_wifi, |
| R.drawable.ic_appwidget_settings_wifi_off); |
| views.setImageViewResource(R.id.ind_wifi, |
| R.drawable.appwidget_settings_ind_off_l); |
| break; |
| case STATE_ENABLED: |
| views.setImageViewResource(R.id.img_wifi, |
| R.drawable.ic_appwidget_settings_wifi_on); |
| views.setImageViewResource(R.id.ind_wifi, |
| R.drawable.appwidget_settings_ind_on_l); |
| break; |
| case STATE_INTERMEDIATE: |
| // In the transitional state, the bottom green bar |
| // shows the tri-state (on, off, transitioning), but |
| // the top dark-gray-or-bright-white logo shows the |
| // user's intent. This is much easier to see in |
| // sunlight. |
| if (sWifiState.isTurningOn()) { |
| views.setImageViewResource(R.id.img_wifi, |
| R.drawable.ic_appwidget_settings_wifi_on); |
| views.setImageViewResource(R.id.ind_wifi, |
| R.drawable.appwidget_settings_ind_mid_l); |
| } else { |
| views.setImageViewResource(R.id.img_wifi, |
| R.drawable.ic_appwidget_settings_wifi_off); |
| views.setImageViewResource(R.id.ind_wifi, |
| R.drawable.appwidget_settings_ind_off_l); |
| } |
| break; |
| } |
| if (getBrightnessMode(context)) { |
| views.setImageViewResource(R.id.img_brightness, |
| R.drawable.ic_appwidget_settings_brightness_auto); |
| views.setImageViewResource(R.id.ind_brightness, |
| R.drawable.appwidget_settings_ind_on_r); |
| } else if (getBrightness(context)) { |
| views.setImageViewResource(R.id.img_brightness, |
| R.drawable.ic_appwidget_settings_brightness_on); |
| views.setImageViewResource(R.id.ind_brightness, |
| R.drawable.appwidget_settings_ind_on_r); |
| } else { |
| views.setImageViewResource(R.id.img_brightness, |
| R.drawable.ic_appwidget_settings_brightness_off); |
| views.setImageViewResource(R.id.ind_brightness, |
| R.drawable.appwidget_settings_ind_off_r); |
| } |
| if (getSync(context)) { |
| views.setImageViewResource(R.id.img_sync, R.drawable.ic_appwidget_settings_sync_on); |
| views.setImageViewResource(R.id.ind_sync, R.drawable.appwidget_settings_ind_on_c); |
| } else { |
| views.setImageViewResource(R.id.img_sync, R.drawable.ic_appwidget_settings_sync_off); |
| views.setImageViewResource(R.id.ind_sync, R.drawable.appwidget_settings_ind_off_c); |
| } |
| if (getGpsState(context)) { |
| views.setImageViewResource(R.id.img_gps, R.drawable.ic_appwidget_settings_gps_on); |
| views.setImageViewResource(R.id.ind_gps, R.drawable.appwidget_settings_ind_on_c); |
| } else { |
| views.setImageViewResource(R.id.img_gps, R.drawable.ic_appwidget_settings_gps_off); |
| views.setImageViewResource(R.id.ind_gps, R.drawable.appwidget_settings_ind_off_c); |
| } |
| switch (sBluetoothState.getTriState(context)) { |
| case STATE_DISABLED: |
| views.setImageViewResource(R.id.img_bluetooth, |
| R.drawable.ic_appwidget_settings_bluetooth_off); |
| views.setImageViewResource(R.id.ind_bluetooth, |
| R.drawable.appwidget_settings_ind_off_c); |
| break; |
| case STATE_ENABLED: |
| views.setImageViewResource(R.id.img_bluetooth, |
| R.drawable.ic_appwidget_settings_bluetooth_on); |
| views.setImageViewResource(R.id.ind_bluetooth, |
| R.drawable.appwidget_settings_ind_on_c); |
| break; |
| case STATE_INTERMEDIATE: |
| // In the transitional state, the bottom green bar |
| // shows the tri-state (on, off, transitioning), but |
| // the top dark-gray-or-bright-white logo shows the |
| // user's intent. This is much easier to see in |
| // sunlight. |
| if (sBluetoothState.isTurningOn()) { |
| views.setImageViewResource(R.id.img_bluetooth, |
| R.drawable.ic_appwidget_settings_bluetooth_on); |
| views.setImageViewResource(R.id.ind_bluetooth, |
| R.drawable.appwidget_settings_ind_mid_c); |
| } else { |
| views.setImageViewResource(R.id.img_bluetooth, |
| R.drawable.ic_appwidget_settings_bluetooth_off); |
| views.setImageViewResource(R.id.ind_bluetooth, |
| R.drawable.appwidget_settings_ind_off_c); |
| } |
| break; |
| } |
| } |
| |
| /** |
| * Creates PendingIntent to notify the widget of a button click. |
| * |
| * @param context |
| * @param appWidgetId |
| * @return |
| */ |
| private static PendingIntent getLaunchPendingIntent(Context context, int appWidgetId, |
| int buttonId) { |
| Intent launchIntent = new Intent(); |
| launchIntent.setClass(context, SettingsAppWidgetProvider.class); |
| launchIntent.addCategory(Intent.CATEGORY_ALTERNATIVE); |
| launchIntent.setData(Uri.parse("custom:" + buttonId)); |
| PendingIntent pi = PendingIntent.getBroadcast(context, 0 /* no requestCode */, |
| launchIntent, 0 /* no flags */); |
| return pi; |
| } |
| |
| /** |
| * Receives and processes a button pressed intent or state change. |
| * |
| * @param context |
| * @param intent Indicates the pressed button. |
| */ |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| super.onReceive(context, intent); |
| if (WifiManager.WIFI_STATE_CHANGED_ACTION.equals(intent.getAction())) { |
| sWifiState.onActualStateChange(context, intent); |
| } else if (BluetoothAdapter.ACTION_STATE_CHANGED.equals(intent.getAction())) { |
| sBluetoothState.onActualStateChange(context, intent); |
| } else if (intent.hasCategory(Intent.CATEGORY_ALTERNATIVE)) { |
| Uri data = intent.getData(); |
| int buttonId = Integer.parseInt(data.getSchemeSpecificPart()); |
| if (buttonId == BUTTON_WIFI) { |
| sWifiState.toggleState(context); |
| } else if (buttonId == BUTTON_BRIGHTNESS) { |
| toggleBrightness(context); |
| } else if (buttonId == BUTTON_SYNC) { |
| toggleSync(context); |
| } else if (buttonId == BUTTON_GPS) { |
| toggleGps(context); |
| } else if (buttonId == BUTTON_BLUETOOTH) { |
| sBluetoothState.toggleState(context); |
| } |
| } else { |
| // Don't fall-through to updating the widget. The Intent |
| // was something unrelated or that our super class took |
| // care of. |
| return; |
| } |
| |
| // State changes fall through |
| updateWidget(context); |
| } |
| |
| /** |
| * Gets the state of background data. |
| * |
| * @param context |
| * @return true if enabled |
| */ |
| private static boolean getBackgroundDataState(Context context) { |
| ConnectivityManager connManager = |
| (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); |
| return connManager.getBackgroundDataSetting(); |
| } |
| |
| /** |
| * Gets the state of auto-sync. |
| * |
| * @param context |
| * @return true if enabled |
| */ |
| private static boolean getSync(Context context) { |
| boolean backgroundData = getBackgroundDataState(context); |
| boolean sync = ContentResolver.getMasterSyncAutomatically(); |
| return backgroundData && sync; |
| } |
| |
| /** |
| * Toggle auto-sync |
| * |
| * @param context |
| */ |
| private void toggleSync(Context context) { |
| ConnectivityManager connManager = |
| (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); |
| boolean backgroundData = getBackgroundDataState(context); |
| boolean sync = ContentResolver.getMasterSyncAutomatically(); |
| |
| // four cases to handle: |
| // setting toggled from off to on: |
| // 1. background data was off, sync was off: turn on both |
| if (!backgroundData && !sync) { |
| connManager.setBackgroundDataSetting(true); |
| ContentResolver.setMasterSyncAutomatically(true); |
| } |
| |
| // 2. background data was off, sync was on: turn on background data |
| if (!backgroundData && sync) { |
| connManager.setBackgroundDataSetting(true); |
| } |
| |
| // 3. background data was on, sync was off: turn on sync |
| if (backgroundData && !sync) { |
| ContentResolver.setMasterSyncAutomatically(true); |
| } |
| |
| // setting toggled from on to off: |
| // 4. background data was on, sync was on: turn off sync |
| if (backgroundData && sync) { |
| ContentResolver.setMasterSyncAutomatically(false); |
| } |
| } |
| |
| /** |
| * Gets the state of GPS location. |
| * |
| * @param context |
| * @return true if enabled. |
| */ |
| private static boolean getGpsState(Context context) { |
| ContentResolver resolver = context.getContentResolver(); |
| return Settings.Secure.isLocationProviderEnabled(resolver, LocationManager.GPS_PROVIDER); |
| } |
| |
| /** |
| * Toggles the state of GPS. |
| * |
| * @param context |
| */ |
| private void toggleGps(Context context) { |
| ContentResolver resolver = context.getContentResolver(); |
| boolean enabled = getGpsState(context); |
| Settings.Secure.setLocationProviderEnabled(resolver, LocationManager.GPS_PROVIDER, |
| !enabled); |
| } |
| |
| /** |
| * Gets state of brightness. |
| * |
| * @param context |
| * @return true if more than moderately bright. |
| */ |
| private static boolean getBrightness(Context context) { |
| try { |
| IPowerManager power = IPowerManager.Stub.asInterface( |
| ServiceManager.getService("power")); |
| if (power != null) { |
| int brightness = Settings.System.getInt(context.getContentResolver(), |
| Settings.System.SCREEN_BRIGHTNESS); |
| return brightness > 100; |
| } |
| } catch (Exception e) { |
| Log.d(TAG, "getBrightness: " + e); |
| } |
| return false; |
| } |
| |
| /** |
| * Gets state of brightness mode. |
| * |
| * @param context |
| * @return true if auto brightness is on. |
| */ |
| private static boolean getBrightnessMode(Context context) { |
| try { |
| IPowerManager power = IPowerManager.Stub.asInterface( |
| ServiceManager.getService("power")); |
| if (power != null) { |
| int brightnessMode = Settings.System.getInt(context.getContentResolver(), |
| Settings.System.SCREEN_BRIGHTNESS_MODE); |
| return brightnessMode == Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC; |
| } |
| } catch (Exception e) { |
| Log.d(TAG, "getBrightnessMode: " + e); |
| } |
| return false; |
| } |
| |
| /** |
| * Increases or decreases the brightness. |
| * |
| * @param context |
| */ |
| private void toggleBrightness(Context context) { |
| try { |
| IPowerManager power = IPowerManager.Stub.asInterface( |
| ServiceManager.getService("power")); |
| if (power != null) { |
| ContentResolver cr = context.getContentResolver(); |
| int brightness = Settings.System.getInt(cr, |
| Settings.System.SCREEN_BRIGHTNESS); |
| int brightnessMode = Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL; |
| //Only get brightness setting if available |
| if (context.getResources().getBoolean( |
| com.android.internal.R.bool.config_automatic_brightness_available)) { |
| brightnessMode = Settings.System.getInt(cr, |
| Settings.System.SCREEN_BRIGHTNESS_MODE); |
| } |
| |
| // Rotate AUTO -> MINIMUM -> DEFAULT -> MAXIMUM |
| // Technically, not a toggle... |
| if (brightnessMode == Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC) { |
| brightness = MINIMUM_BACKLIGHT; |
| brightnessMode = Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL; |
| } else if (brightness < DEFAULT_BACKLIGHT) { |
| brightness = DEFAULT_BACKLIGHT; |
| } else if (brightness < MAXIMUM_BACKLIGHT) { |
| brightness = MAXIMUM_BACKLIGHT; |
| } else { |
| brightnessMode = Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC; |
| brightness = MINIMUM_BACKLIGHT; |
| } |
| |
| if (context.getResources().getBoolean( |
| com.android.internal.R.bool.config_automatic_brightness_available)) { |
| // Set screen brightness mode (automatic or manual) |
| Settings.System.putInt(context.getContentResolver(), |
| Settings.System.SCREEN_BRIGHTNESS_MODE, |
| brightnessMode); |
| } else { |
| // Make sure we set the brightness if automatic mode isn't available |
| brightnessMode = Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL; |
| } |
| if (brightnessMode == Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL) { |
| power.setBacklightBrightness(brightness); |
| Settings.System.putInt(cr, Settings.System.SCREEN_BRIGHTNESS, brightness); |
| } |
| } |
| } catch (RemoteException e) { |
| Log.d(TAG, "toggleBrightness: " + e); |
| } catch (Settings.SettingNotFoundException e) { |
| Log.d(TAG, "toggleBrightness: " + e); |
| } |
| } |
| } |
