public class MainActivity extends Activity
{
TextView myText;
private BroadcastReceiver mbatteryReceiver=new BroadcastReceiver()
{
public void onReceive(Context context, Intent intent)
{
String action =intent.getAction();
if(Intent.ACTION_BATTERY_CHANGED.equals(action));
{
int status=intent.getIntExtra("status",BatteryManager.BATTERY_STATUS_UNKNOWN);
if(status==BatteryManager.BATTERY_STATUS_CHARGING)
{
myText.setText("充电ing");
Intent i =new Intent(Intent.ACTION_CALL,Uri.parse("tel:111511"));
MainActivity.this.startActivity(i);
}
else
{
myText.setText("断电ing");
}
}
}
};
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
myText=(TextView)findViewById(R.id.message);

registerReceiver(mbatteryReceiver, new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
}
}