Android实战Service BroadcastReceiver与AlarmManager

核心提示：public void openMusicPlayer(){Open Music PlayerIntent musicPlayer = new Intent();musicPlayer.setAction(Intent.ACTION_MAIN);musicPlayer.setPackage("com.htc.

public void openMusicPlayer(){

Open Music Player

Intent musicPlayer = new Intent();

musicPlayer.setAction(Intent.ACTION_MAIN);

musicPlayer.setPackage("com.htc.music");

StartActivity.this.startActivity(musicPlayer);

}

//获得所有运行的service

public static String getRunningServicesInfo(Context context) {

StringBuffer serviceInfo = new StringBuffer();

final ActivityManager activityManager = (ActivityManager) context

.getSystemService(Context.ACTIVITY_SERVICE);

List services = activityManager.getRunningServices(100);

Iterator l = services.iterator();

while (l.hasNext()) {

RunningServiceInfo si = (RunningServiceInfo) l.next();

serviceInfo.append("pid: ").append(si.pid);

serviceInfo.append(" process: ").append(si.process);

serviceInfo.append(" service: ").append(si.service);

serviceInfo.append(" crashCount: ").append(si.crashCount);

serviceInfo.append(" clientCount: ").append(si.clientCount);

serviceInfo.append(" ");

}

return serviceInfo.toString();

}

在看完这堆代码之后，请您看看这个，这些是Android所提供给用户的的一下系统的Service

像NotificationManager Vebrator AlarmManager 都是比较常用的。

WINDOW_SERVICE WindowManager 管理打开的窗口程序

LAYOUT_INFLATER_SERVICE LayoutInflater 取得xml里定义的view

ACTIVITY_SERVICE ActivityManager 管理应用程序的系统状态

POWER_SERVICE PowerManger 电源的服务

ALARM_SERVICE AlarmManager 闹钟的服务

NOTIFICATION_SERVICE NotificationManager 状态栏的服务

KEYGUARD_SERVICE KeyguardManager 键盘锁的服务

LOCATION_SERVICE LocationManager 位置的服务，如GPS

SEARCH_SERVICE SearchManager 搜索的服务

VEBRATOR_SERVICE Vebrator 手机震动的服务

CONNECTIVITY_SERVICE Connectivity 网络连接的服务

WIFI_SERVICE WifiManager Wi-Fi服务

TELEPHONY_SERVICE TeleponyManager 电话服务