a6a74e222a
We need to explicitly disable wifi while enabling tethering and disable tethering while enabling wifi Bug: 2539071 Change-Id: I7fda6e4d9d1bb804e81561d52b5f3a982a674b0e
754 lines
30 KiB
Java
754 lines
30 KiB
Java
/*
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* Copyright (C) 2009 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.widget;
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import android.app.PendingIntent;
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import android.appwidget.AppWidgetManager;
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import android.appwidget.AppWidgetProvider;
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import android.bluetooth.BluetoothAdapter;
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import android.content.ComponentName;
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import android.content.ContentResolver;
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import android.content.Context;
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import android.content.IContentService;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.location.LocationManager;
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import android.net.ConnectivityManager;
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import android.net.Uri;
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import android.net.wifi.WifiManager;
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import android.os.IPowerManager;
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import android.os.RemoteException;
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import android.os.ServiceManager;
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import android.provider.Settings;
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import android.util.Log;
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import android.widget.RemoteViews;
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import android.widget.Toast;
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import com.android.settings.R;
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import com.android.settings.bluetooth.LocalBluetoothManager;
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/**
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* Provides control of power-related settings from a widget.
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*/
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public class SettingsAppWidgetProvider extends AppWidgetProvider {
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static final String TAG = "SettingsAppWidgetProvider";
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static final ComponentName THIS_APPWIDGET =
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new ComponentName("com.android.settings",
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"com.android.settings.widget.SettingsAppWidgetProvider");
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private static LocalBluetoothManager sLocalBluetoothManager = null;
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private static final int BUTTON_WIFI = 0;
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private static final int BUTTON_BRIGHTNESS = 1;
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private static final int BUTTON_SYNC = 2;
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private static final int BUTTON_GPS = 3;
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private static final int BUTTON_BLUETOOTH = 4;
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// This widget keeps track of two sets of states:
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// "3-state": STATE_DISABLED, STATE_ENABLED, STATE_INTERMEDIATE
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// "5-state": STATE_DISABLED, STATE_ENABLED, STATE_TURNING_ON, STATE_TURNING_OFF, STATE_UNKNOWN
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private static final int STATE_DISABLED = 0;
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private static final int STATE_ENABLED = 1;
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private static final int STATE_TURNING_ON = 2;
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private static final int STATE_TURNING_OFF = 3;
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private static final int STATE_UNKNOWN = 4;
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private static final int STATE_INTERMEDIATE = 5;
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/**
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* Minimum and maximum brightnesses. Don't go to 0 since that makes the display unusable
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*/
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private static final int MINIMUM_BACKLIGHT = android.os.Power.BRIGHTNESS_DIM + 10;
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private static final int MAXIMUM_BACKLIGHT = android.os.Power.BRIGHTNESS_ON;
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private static final int DEFAULT_BACKLIGHT = (int) (android.os.Power.BRIGHTNESS_ON * 0.4f);
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private static final StateTracker sWifiState = new WifiStateTracker();
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private static final StateTracker sBluetoothState = new BluetoothStateTracker();
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/**
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* The state machine for Wifi and Bluetooth toggling, tracking
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* reality versus the user's intent.
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*
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* This is necessary because reality moves relatively slowly
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* (turning on & off radio drivers), compared to user's
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* expectations.
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*/
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private abstract static class StateTracker {
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// Is the state in the process of changing?
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private boolean mInTransition = false;
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private Boolean mActualState = null; // initially not set
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private Boolean mIntendedState = null; // initially not set
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// Did a toggle request arrive while a state update was
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// already in-flight? If so, the mIntendedState needs to be
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// requested when the other one is done, unless we happened to
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// arrive at that state already.
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private boolean mDeferredStateChangeRequestNeeded = false;
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/**
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* User pressed a button to change the state. Something
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* should immediately appear to the user afterwards, even if
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* we effectively do nothing. Their press must be heard.
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*/
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public final void toggleState(Context context) {
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int currentState = getTriState(context);
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boolean newState = false;
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switch (currentState) {
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case STATE_ENABLED:
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newState = false;
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break;
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case STATE_DISABLED:
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newState = true;
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break;
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case STATE_INTERMEDIATE:
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if (mIntendedState != null) {
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newState = !mIntendedState;
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}
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break;
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}
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mIntendedState = newState;
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if (mInTransition) {
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// We don't send off a transition request if we're
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// already transitioning. Makes our state tracking
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// easier, and is probably nicer on lower levels.
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// (even though they should be able to take it...)
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mDeferredStateChangeRequestNeeded = true;
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} else {
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mInTransition = true;
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boolean showToast = newState; // only show Toast on the up transition
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requestStateChange(context, newState, showToast);
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}
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}
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/**
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* Update internal state from a broadcast state change.
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*/
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public abstract void onActualStateChange(Context context, Intent intent);
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/**
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* Sets the value that we're now in. To be called from onActualStateChange.
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*
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* @param newState one of STATE_DISABLED, STATE_ENABLED, STATE_TURNING_ON,
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* STATE_TURNING_OFF, STATE_UNKNOWN
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*/
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protected final void setCurrentState(Context context, int newState) {
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boolean wasInTransition = mInTransition;
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switch (newState) {
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case STATE_DISABLED:
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mInTransition = false;
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mActualState = false;
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break;
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case STATE_ENABLED:
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mInTransition = false;
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mActualState = true;
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break;
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case STATE_TURNING_ON:
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mInTransition = true;
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mActualState = false;
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break;
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case STATE_TURNING_OFF:
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mInTransition = true;
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mActualState = true;
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break;
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}
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if (wasInTransition && !mInTransition) {
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if (mDeferredStateChangeRequestNeeded) {
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Log.v(TAG, "processing deferred state change");
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if (mActualState != null && mIntendedState != null &&
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mIntendedState.equals(mActualState)) {
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Log.v(TAG, "... but intended state matches, so no changes.");
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} else if (mIntendedState != null) {
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mInTransition = true;
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requestStateChange(context, mIntendedState, false /* no toast */);
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}
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mDeferredStateChangeRequestNeeded = false;
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}
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}
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}
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/**
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* If we're in a transition mode, this returns true if we're
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* transitioning towards being enabled.
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*/
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public final boolean isTurningOn() {
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return mIntendedState != null && mIntendedState;
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}
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/**
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* Returns simplified 3-state value from underlying 5-state.
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*
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* @param context
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* @return STATE_ENABLED, STATE_DISABLED, or STATE_INTERMEDIATE
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*/
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public final int getTriState(Context context) {
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switch (getActualState(context)) {
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case STATE_DISABLED:
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return STATE_DISABLED;
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case STATE_ENABLED:
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return STATE_ENABLED;
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default:
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return STATE_INTERMEDIATE;
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}
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}
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/**
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* Gets underlying actual state.
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*
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* @param context
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* @return STATE_ENABLED, STATE_DISABLED, STATE_ENABLING, STATE_DISABLING,
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* or or STATE_UNKNOWN.
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*/
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public abstract int getActualState(Context context);
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/**
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* Actually make the desired change to the underlying radio
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* API.
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*/
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protected abstract void requestStateChange(Context context,
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boolean desiredState, boolean withToast);
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}
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/**
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* Subclass of StateTracker to get/set Wifi state.
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*/
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private static final class WifiStateTracker extends StateTracker {
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@Override
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public int getActualState(Context context) {
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WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
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if (wifiManager != null) {
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return wifiStateToFiveState(wifiManager.getWifiState());
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}
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return STATE_UNKNOWN;
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}
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@Override
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protected void requestStateChange(Context context,
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boolean desiredState, boolean withToast) {
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WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
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if (wifiManager == null) {
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Log.d(TAG, "No wifiManager.");
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return;
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}
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if (withToast) {
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Toast.makeText(context, R.string.gadget_toggle_wifi, Toast.LENGTH_SHORT).show();
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}
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/**
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* Disable tethering if enabling Wifi
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*/
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int wifiApState = wifiManager.getWifiApState();
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if (desiredState && ((wifiApState == WifiManager.WIFI_AP_STATE_ENABLING) ||
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(wifiApState == WifiManager.WIFI_AP_STATE_ENABLED))) {
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wifiManager.setWifiApEnabled(null, false);
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}
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wifiManager.setWifiEnabled(desiredState);
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}
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@Override
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public void onActualStateChange(Context context, Intent intent) {
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if (!WifiManager.WIFI_STATE_CHANGED_ACTION.equals(intent.getAction())) {
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return;
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}
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int wifiState = intent.getIntExtra(WifiManager.EXTRA_WIFI_STATE, -1);
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setCurrentState(context, wifiStateToFiveState(wifiState));
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}
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/**
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* Converts WifiManager's state values into our
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* Wifi/Bluetooth-common state values.
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*/
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private static int wifiStateToFiveState(int wifiState) {
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switch (wifiState) {
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case WifiManager.WIFI_STATE_DISABLED:
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return STATE_DISABLED;
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case WifiManager.WIFI_STATE_ENABLED:
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return STATE_ENABLED;
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case WifiManager.WIFI_STATE_DISABLING:
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return STATE_TURNING_OFF;
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case WifiManager.WIFI_STATE_ENABLING:
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return STATE_TURNING_ON;
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default:
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return STATE_UNKNOWN;
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}
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}
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}
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/**
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* Subclass of StateTracker to get/set Bluetooth state.
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*/
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private static final class BluetoothStateTracker extends StateTracker {
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@Override
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public int getActualState(Context context) {
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if (sLocalBluetoothManager == null) {
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sLocalBluetoothManager = LocalBluetoothManager.getInstance(context);
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if (sLocalBluetoothManager == null) {
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return STATE_UNKNOWN; // On emulator?
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}
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}
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return bluetoothStateToFiveState(sLocalBluetoothManager.getBluetoothState());
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}
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@Override
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protected void requestStateChange(Context context,
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boolean desiredState, boolean withToast) {
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if (sLocalBluetoothManager == null) {
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Log.d(TAG, "No LocalBluetoothManager");
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return;
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}
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if (withToast) {
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Toast.makeText(context,
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R.string.gadget_toggle_bluetooth, Toast.LENGTH_SHORT).show();
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}
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sLocalBluetoothManager.setBluetoothEnabled(desiredState);
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}
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@Override
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public void onActualStateChange(Context context, Intent intent) {
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if (!BluetoothAdapter.ACTION_STATE_CHANGED.equals(intent.getAction())) {
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return;
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}
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int bluetoothState = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, -1);
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setCurrentState(context, bluetoothStateToFiveState(bluetoothState));
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}
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/**
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* Converts BluetoothAdapter's state values into our
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* Wifi/Bluetooth-common state values.
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*/
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private static int bluetoothStateToFiveState(int bluetoothState) {
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switch (bluetoothState) {
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case BluetoothAdapter.STATE_OFF:
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return STATE_DISABLED;
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case BluetoothAdapter.STATE_ON:
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return STATE_ENABLED;
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case BluetoothAdapter.STATE_TURNING_ON:
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return STATE_TURNING_ON;
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case BluetoothAdapter.STATE_TURNING_OFF:
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return STATE_TURNING_OFF;
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default:
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return STATE_UNKNOWN;
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}
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}
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}
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@Override
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public void onUpdate(Context context, AppWidgetManager appWidgetManager,
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int[] appWidgetIds) {
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// Update each requested appWidgetId
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RemoteViews view = buildUpdate(context, -1);
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for (int i = 0; i < appWidgetIds.length; i++) {
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appWidgetManager.updateAppWidget(appWidgetIds[i], view);
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}
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}
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@Override
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public void onEnabled(Context context) {
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PackageManager pm = context.getPackageManager();
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pm.setComponentEnabledSetting(
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new ComponentName("com.android.settings", ".widget.SettingsAppWidgetProvider"),
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PackageManager.COMPONENT_ENABLED_STATE_ENABLED,
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PackageManager.DONT_KILL_APP);
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}
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@Override
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public void onDisabled(Context context) {
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Class clazz = com.android.settings.widget.SettingsAppWidgetProvider.class;
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PackageManager pm = context.getPackageManager();
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pm.setComponentEnabledSetting(
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new ComponentName("com.android.settings", ".widget.SettingsAppWidgetProvider"),
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PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
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PackageManager.DONT_KILL_APP);
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}
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/**
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* Load image for given widget and build {@link RemoteViews} for it.
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*/
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static RemoteViews buildUpdate(Context context, int appWidgetId) {
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RemoteViews views = new RemoteViews(context.getPackageName(),
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R.layout.widget);
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views.setOnClickPendingIntent(R.id.btn_wifi, getLaunchPendingIntent(context, appWidgetId,
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BUTTON_WIFI));
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views.setOnClickPendingIntent(R.id.btn_brightness,
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getLaunchPendingIntent(context,
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appWidgetId, BUTTON_BRIGHTNESS));
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views.setOnClickPendingIntent(R.id.btn_sync,
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getLaunchPendingIntent(context,
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appWidgetId, BUTTON_SYNC));
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views.setOnClickPendingIntent(R.id.btn_gps,
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getLaunchPendingIntent(context, appWidgetId, BUTTON_GPS));
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views.setOnClickPendingIntent(R.id.btn_bluetooth,
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getLaunchPendingIntent(context,
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appWidgetId, BUTTON_BLUETOOTH));
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updateButtons(views, context);
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return views;
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}
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/**
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* Updates the widget when something changes, or when a button is pushed.
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*
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* @param context
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*/
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public static void updateWidget(Context context) {
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RemoteViews views = buildUpdate(context, -1);
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// Update specific list of appWidgetIds if given, otherwise default to all
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final AppWidgetManager gm = AppWidgetManager.getInstance(context);
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gm.updateAppWidget(THIS_APPWIDGET, views);
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}
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/**
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* Updates the buttons based on the underlying states of wifi, etc.
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*
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* @param views The RemoteViews to update.
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* @param context
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*/
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private static void updateButtons(RemoteViews views, Context context) {
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switch (sWifiState.getTriState(context)) {
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case STATE_DISABLED:
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views.setImageViewResource(R.id.img_wifi,
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R.drawable.ic_appwidget_settings_wifi_off);
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views.setImageViewResource(R.id.ind_wifi,
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R.drawable.appwidget_settings_ind_off_l);
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break;
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case STATE_ENABLED:
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views.setImageViewResource(R.id.img_wifi,
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R.drawable.ic_appwidget_settings_wifi_on);
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views.setImageViewResource(R.id.ind_wifi,
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R.drawable.appwidget_settings_ind_on_l);
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break;
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case STATE_INTERMEDIATE:
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// In the transitional state, the bottom green bar
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// shows the tri-state (on, off, transitioning), but
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// the top dark-gray-or-bright-white logo shows the
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// user's intent. This is much easier to see in
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// sunlight.
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if (sWifiState.isTurningOn()) {
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views.setImageViewResource(R.id.img_wifi,
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R.drawable.ic_appwidget_settings_wifi_on);
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views.setImageViewResource(R.id.ind_wifi,
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R.drawable.appwidget_settings_ind_mid_l);
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} else {
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views.setImageViewResource(R.id.img_wifi,
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R.drawable.ic_appwidget_settings_wifi_off);
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views.setImageViewResource(R.id.ind_wifi,
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R.drawable.appwidget_settings_ind_off_l);
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}
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break;
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}
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if (getBrightnessMode(context)) {
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views.setImageViewResource(R.id.img_brightness,
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R.drawable.ic_appwidget_settings_brightness_auto);
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views.setImageViewResource(R.id.ind_brightness,
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R.drawable.appwidget_settings_ind_on_r);
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} else if (getBrightness(context)) {
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views.setImageViewResource(R.id.img_brightness,
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R.drawable.ic_appwidget_settings_brightness_on);
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views.setImageViewResource(R.id.ind_brightness,
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R.drawable.appwidget_settings_ind_on_r);
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} else {
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views.setImageViewResource(R.id.img_brightness,
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R.drawable.ic_appwidget_settings_brightness_off);
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views.setImageViewResource(R.id.ind_brightness,
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R.drawable.appwidget_settings_ind_off_r);
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}
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if (getSync(context)) {
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views.setImageViewResource(R.id.img_sync, R.drawable.ic_appwidget_settings_sync_on);
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views.setImageViewResource(R.id.ind_sync, R.drawable.appwidget_settings_ind_on_c);
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} else {
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views.setImageViewResource(R.id.img_sync, R.drawable.ic_appwidget_settings_sync_off);
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views.setImageViewResource(R.id.ind_sync, R.drawable.appwidget_settings_ind_off_c);
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}
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if (getGpsState(context)) {
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views.setImageViewResource(R.id.img_gps, R.drawable.ic_appwidget_settings_gps_on);
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views.setImageViewResource(R.id.ind_gps, R.drawable.appwidget_settings_ind_on_c);
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} else {
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views.setImageViewResource(R.id.img_gps, R.drawable.ic_appwidget_settings_gps_off);
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views.setImageViewResource(R.id.ind_gps, R.drawable.appwidget_settings_ind_off_c);
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}
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switch (sBluetoothState.getTriState(context)) {
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case STATE_DISABLED:
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views.setImageViewResource(R.id.img_bluetooth,
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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);
|
|
}
|
|
}
|
|
|
|
// 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);
|
|
}
|
|
}
|
|
}
|