android 常用功能的切换(wifi开关,蓝牙开关，飞行模式切换，响铃模式切换，亮度切换)
我们在市场上经常可以看到，可以切换蓝牙，wifi, 飞行模式等等功能的小部件，由于工作需要，我也把相应的功能实现了一下
有需要的朋友，避免走弯路，可以参考下面代码，也可以到
http://download.csdn.net/detail/c_weibin/4142010
下载完整项目
这里直接将源码贴出
package com.bpi.launcher.view;
import android.app.Activity;
import android.app.PendingIntent;
import android.app.PendingIntent.CanceledException;
import android.bluetooth.BluetoothAdapter;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.graphics.Color;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.media.AudioManager;
import android.net.Uri;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.provider.Settings;
import android.provider.Settings.SettingNotFoundException;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.WindowManager;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.Toast;
import android.widget.RelativeLayout.LayoutParams;
import com.bpi.launcher.R;
public class ToggleToolWidget extends LinearLayout implements OnClickListener{
/** Called when the activity is first created. */
protected ImageView iv_bluetooth = null;//蓝牙
protected ImageView iv_wifi = null;//wifi
protected ImageView iv_sound = null;//声音
protected ImageView iv_brightness = null;//亮度
protected ImageView iv_flymodel = null;//飞行模式
protected ImageView iv_gps = null;//GPS
protected BluetoothAdapter adapter = null;
protected WifiManager wifiManager = null;
protected AudioManager audioManager = null;
protected LocationManager locationManager=null;
protected final static int mostBrightness=255;//最亮
protected final static int moreBrightness=150;//较亮
protected final static int lowBrightness=50;//最暗
View linearLayout=null;
public ToggleToolWidget(Context context) {
super(context);
LayoutInflater inflater=LayoutInflater.from(getContext());
View linearLayout=inflater.inflate(R.layout.toggle_tool, null);
this.addView(linearLayout);
this.setGravity(LinearLayout.HORIZONTAL|LinearLayout.VERTICAL);
//this.setLayoutParams(layoutParams);
/**初始化有关蓝牙的信息**/
adapter = BluetoothAdapter.getDefaultAdapter();
iv_bluetooth = (ImageView) findViewById(R.id.bluetooth);//蓝牙
iv_bluetooth.setOnClickListener(this);
IntentFilter intentFilter = new IntentFilter(
android.bluetooth.BluetoothAdapter.ACTION_STATE_CHANGED);
getContext().registerReceiver(new BluetoothBroadcastReceiver(), intentFilter);//注册监听器
changeBluetoothImage();
/**初始化有关wifi的信息**/
wifiManager = (WifiManager) getContext().getSystemService(Context.WIFI_SERVICE);
iv_wifi = (ImageView) findViewById(R.id.wifi);
iv_wifi.setOnClickListener(this);
IntentFilter wifiIntentFilter = new IntentFilter(
android.net.wifi.WifiManager.WIFI_STATE_CHANGED_ACTION);
getContext().registerReceiver(new WifiBroadcastReceiver(), wifiIntentFilter);
changeWifiImage();
/**初始化声音信息**/
audioManager = (AudioManager) getContext().getSystemService(Context.AUDIO_SERVICE);
iv_sound = (ImageView) findViewById(R.id.sound);
iv_sound.setOnClickListener(this);
changeRingerModeImage();
IntentFilter soundIntentFilter = new IntentFilter(
android.media.AudioManager.RINGER_MODE_CHANGED_ACTION);
getContext().registerReceiver(new RingerModeBrocastReceiver(),
soundIntentFilter);
/**初使化亮度信息**/
iv_brightness = (ImageView) findViewById(R.id.brightness);
iv_brightness.setOnClickListener(this);
changeBrinessImage();
/**飞行模式**/
iv_flymodel = (ImageView) findViewById(R.id.flymodel);
iv_flymodel.setOnClickListener(this);
IntentFilter airPlaneIntentFilter = new IntentFilter(
Intent.ACTION_AIRPLANE_MODE_CHANGED);
getContext().registerReceiver(new AirPlaneBrocastReceiver(), airPlaneIntentFilter);
changeAirPlaneImage();
/**初使化GpS信息**/
iv_gps = (ImageView) findViewById(R.id.gps);
iv_gps.setOnClickListener(this);
locationManager=(LocationManager) getContext().getSystemService(getContext().LOCATION_SERVICE);
locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0.0F, new GPSListener());
if(locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER)){//初始化显示的图片
iv_gps.setImageResource(R.drawable.gps_on);
}else{
iv_gps.setImageResource(R.drawable.gps_off);
}
}
@Override
public void onClick(View v) {
if (v.getId() == R.id.bluetooth) {//点击蓝牙图标
if (adapter.getState() == BluetoothAdapter.STATE_OFF) {
adapter.enable();
} else if (adapter.getState() == BluetoothAdapter.STATE_ON) {
adapter.disable();
}
} else if (v.getId() == R.id.wifi) {//点击wifi图标
wifiManager.setWifiEnabled(!wifiManager.isWifiEnabled());
} else if (v.getId() == R.id.sound) {//点击响铃方式
int ringerMode = audioManager.getRingerMode();
if (ringerMode == AudioManager.RINGER_MODE_NORMAL) {//正常时点击后变振动
audioManager.setRingerMode(AudioManager.RINGER_MODE_VIBRATE);
//Toast.makeText(this, "振动", 0).show();
} else if (ringerMode == AudioManager.RINGER_MODE_VIBRATE) {//振动时点击后变静音
audioManager.setRingerMode(AudioManager.RINGER_MODE_SILENT);
//Toast.makeText(this, "静音", 0).show();
} else if (ringerMode == AudioManager.RINGER_MODE_SILENT) {//静音时点击后变正常
audioManager.setRingerMode(AudioManager.RINGER_MODE_NORMAL);
//Toast.makeText(this, "正常", 0).show();
}
} else if (v.getId() == R.id.brightness) {//点击亮度
//设置当前屏幕的亮度
try {
int currentBrightness=Settings.System.getInt(getContext().getContentResolver(),Settings.System.SCREEN_BRIGHTNESS);
currentBrightness=getNearestNumber(currentBrightness, mostBrightness,moreBrightness,lowBrightness);
if(currentBrightness==mostBrightness){
currentBrightness=moreBrightness;
iv_brightness.setImageResource(R.drawable.brightness_auto);
}else if(currentBrightness==moreBrightness){
currentBrightness=lowBrightness;
iv_brightness.setImageResource(R.drawable.brightness_low);
}else {
iv_brightness.setImageResource(R.drawable.brightness_most);
currentBrightness=mostBrightness;
}
//设置当前Activity的亮度
WindowManager.LayoutParams lp = ((Activity)getContext()).getWindow().getAttributes();
lp.screenBrightness=currentBrightness/255f;
((Activity)getContext()).getWindow().setAttributes(lp);
//设置整个手机的亮度
Settings.System.putInt(getContext().getContentResolver(),Settings.System.SCREEN_BRIGHTNESS, currentBrightness);
} catch (SettingNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
};
} else if (v.getId() == R.id.flymodel) {
//取得目前飞行模式的状态
boolean isAirPlaneOn;
try {
isAirPlaneOn = Settings.System.getInt(getContext().getContentResolver(),
Settings.System.AIRPLANE_MODE_ON) == 1 ? true : false;
setAirplaneMode(!isAirPlaneOn);
} catch (SettingNotFoundException e) {
e.printStackTrace();
}
} else if (v.getId() == R.id.gps) {
toggleGPS();
}
}
/**
* 改变亮度图片
*
* 陈伟斌
* 2012-2-18
*/
protected void changeBrinessImage(){
int currentBrightness;
try {
currentBrightness = Settings.System.getInt(getContext().getContentResolver(),Settings.System.SCREEN_BRIGHTNESS);
currentBrightness=getNearestNumber(currentBrightness, mostBrightness,moreBrightness,lowBrightness);
if(currentBrightness==mostBrightness){
iv_brightness.setImageResource(R.drawable.brightness_most);
}else if(currentBrightness==moreBrightness){
iv_brightness.setImageResource(R.drawable.brightness_auto);
}else {
iv_brightness.setImageResource(R.drawable.brightness_low);
}
} catch (SettingNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/**
* 改变蓝牙切换按钮的图片
* 陈伟斌
* 2012-2-9
*/
protected void changeBluetoothImage() {
int blueState = adapter.getState();
if (blueState == BluetoothAdapter.STATE_ON) {//打开蓝牙
iv_bluetooth.setImageResource(R.drawable.bluetooth_on);
} else if (blueState == BluetoothAdapter.STATE_OFF) {//关闭蓝牙
iv_bluetooth.setImageResource(R.drawable.bluetooth_off);
} else if (blueState == BluetoothAdapter.STATE_TURNING_OFF
|| blueState == BluetoothAdapter.STATE_TURNING_ON) {//正在打开蓝牙或正在关闭蓝牙
iv_bluetooth.setImageResource(R.drawable.bluetooth_ing);
}
}
/**
* 改变wifi切换按钮的图片
*
* 陈伟斌
* 2012-2-9
*/
protected void changeWifiImage() {
int wifiState = wifiManager.getWifiState();
if (wifiState == WifiManager.WIFI_STATE_DISABLED) {//关闭
iv_wifi.setImageResource(R.drawable.wifi_disabled);
} else if (wifiState == WifiManager.WIFI_STATE_ENABLED) {//可用
iv_wifi.setImageResource(R.drawable.wifi_enabled);
} else if (wifiState == WifiManager.WIFI_STATE_DISABLING
|| wifiState == WifiManager.WIFI_STATE_ENABLING) {//正在打开wifi或正在关闭wifi
iv_wifi.setImageResource(R.drawable.wifi_enabling);
}
}
/**
* 改变ringerMode切换按钮的图片
*
* 陈伟斌
* 2012-2-9
*/
protected void changeRingerModeImage() {
int ringerMode = audioManager.getRingerMode();
if (ringerMode == AudioManager.RINGER_MODE_NORMAL) {//正常
iv_sound.setImageResource(R.drawable.sound_on);
} else if (ringerMode == AudioManager.RINGER_MODE_SILENT) {//静音
iv_sound.setImageResource(R.drawable.sound_off);
} else if (ringerMode == AudioManager.RINGER_MODE_VIBRATE) {//振动
iv_sound.setImageResource(R.drawable.vibration);
}
}
protected void changeAirPlaneImage() {
try {
boolean isAirPlaneOn = Settings.System.getInt(getContext().getContentResolver(),
Settings.System.AIRPLANE_MODE_ON) == 1 ? true : false;
if (isAirPlaneOn) {
iv_flymodel.setImageResource(R.drawable.fly_model_on);
} else {
iv_flymodel.setImageResource(R.drawable.fly_model_off);
}
} catch (SettingNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/**
* 传入若干个数，取得最接近destNumber的数
* @param numbers
* @return
* 陈伟斌
* 2012-2-10
*/
private int getNearestNumber(int destNumber,int...numbers){
int diffValue=Integer.MAX_VALUE;
int nearestNumber=numbers[0];
for (int i = 0; i < numbers.length; i++) {
System.out.println(diffValue+" "+Math.abs(destNumber-numbers[i]));
if(diffValue>Math.abs(destNumber-numbers[i])){
diffValue=Math.abs(destNumber-numbers[i]);
nearestNumber=numbers[i];
}
}
return nearestNumber;
}
/**
* 改变飞行模式
* @param setAirPlane
* 陈伟斌
* 2012-2-10
*/
private void setAirplaneMode(boolean setAirPlane) {
Settings.System.putInt(getContext().getContentResolver(),
Settings.System.AIRPLANE_MODE_ON, setAirPlane ? 1 : 0);
Intent intent = new Intent(Intent.ACTION_AIRPLANE_MODE_CHANGED);
intent.putExtra("state", setAirPlane);//平板没加这句话不起作用
getContext().sendBroadcast(intent);
}
/**
* 切换GPS状态
*
* 陈伟斌
* 2012-2-10
*/
private void toggleGPS() {
Intent gpsIntent = new Intent();
gpsIntent.setClassName("com.android.settings",
"com.android.settings.widget.SettingsAppWidgetProvider");
gpsIntent.addCategory("android.intent.category.ALTERNATIVE");
gpsIntent.setData(Uri.parse("custom:3"));
try {
PendingIntent.getBroadcast(getContext(), 0, gpsIntent, 0).send();
}
catch (CanceledException e) {
e.printStackTrace();
}
}
/**
*
* 项目名称：ToolWidget
* 类名称： SettingBroadcastReceiver
* 类描述：蓝牙广播接收器
* 创建人：陈伟斌
* 创建时间：2012-2-9 下午02:45:49
*
*/
class BluetoothBroadcastReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
if (iv_bluetooth == null) {
return;
}
changeBluetoothImage();
}
}
/**
*
* 项目名称：ToolWidget
* 类名称： WifiBroadcastReceiver
* 类描述：wifi广播接收器
* 创建人：陈伟斌
* 创建时间：2012-2-10 上午11:43:41
*
*/
class WifiBroadcastReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
changeWifiImage();
}
}
/**
*
* 项目名称：ToolWidget
* 类名称： RingerModeBrocastReceiver
* 类描述：响铃模式
* 创建人：陈伟斌
* 创建时间：2012-2-10 上午11:44:00
*
*/
class RingerModeBrocastReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
changeRingerModeImage();
}
}
/**
*
* 项目名称：ToolWidget
* 类名称： AirPlaneBrocastReceiver
* 类描述：飞行模式广播接收器
* 创建人：陈伟斌
* 创建时间：2012-2-10 上午11:45:00
*
*/
class AirPlaneBrocastReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context arg0, Intent arg1) {
changeAirPlaneImage();
}
}
/**
*
* 项目名称：ToolWidget
* 类名称： GPSListener
* 类描述：GPS状态监听
* 创建人：陈伟斌
* 创建时间：2012-2-10 下午03:04:19
*
*/
class GPSListener implements LocationListener{
@Override
public void onLocationChanged(Location location) {
// TODO Auto-generated method stub
}
@Override
public void onProviderDisabled(String provider) {
iv_gps.setImageResource(R.drawable.gps_off);
}
@Override
public void onProviderEnabled(String provider) {
iv_gps.setImageResource(R.drawable.gps_on);
}
@Override
public void onStatusChanged(String provider, int status, Bundle extras) {
// TODO Auto-generated method stub
}
}
}
配置文件
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/switchbar_background"
android:gravity="center_vertical|center_horizontal"
android:layout_gravity="center_vertical|center_horizontal"
android:orientation="horizontal" >
<ImageView
android:id="@+id/bluetooth"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="10px"
android:layout_weight="1"
android:src="@drawable/bluetooth_on" />
<ImageView
android:id="@+id/brightness"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="10px"
android:layout_weight="1"
android:src="@drawable/brightness_most" />
<ImageView
android:id="@+id/sound"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="10px"
android:layout_weight="1"
android:src="@drawable/sound_on" />
<ImageView
android:id="@+id/wifi"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="10px"
android:layout_weight="1"
android:src="@drawable/wifi_enabled" />
<ImageView
android:id="@+id/flymodel"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="10px"
android:layout_weight="1"
android:src="@drawable/fly_model_off" />
<ImageView
android:id="@+id/gps"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="10px"
android:layout_weight="1"
android:src="@drawable/gps_on" />
</LinearLayout>源码下载: http://download.csdn.net/detail/c_weibin/4142010