Android 线程超时的例子
2010-11-05 00:56:40 来源:WEB开发网private Button button;
private Timer timer;
private final int TIMER_EXECUTE = 1;
private final int ERROR_MESSAGE = 1;
private final int CHECK_TIME = 5000;
private EThread eThread;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
button = (Button) findViewById(R.id.btn);
button.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
//timer for check the thread
timer = new Timer();
timer.schedule(new TimerTask(){
@Override
public void run() {
checkThread();
}
},CHECK_TIME);
eThread = new EThread();
eThread.start();
}
});
}
@Override
protected Dialog onCreateDialog(int id) {
return new AlertDialog.Builder(this).setTitle("错误")
.setMessage("线程超时!").create();
}
private Handler mHandler = new Handler() {
public void handleMessage(Message msg) {
switch(msg.what){
case TIMER_EXECUTE:
if (eThread.getState().toString().equals("TERMINATED")||
eThread.getState().toString().equals("TIMED_WAITING")) {
eThread.stopThread(true);
showDialog(ERROR_MESSAGE);
timer.cancel();// 关闭计时器
}
break;
}
super.handleMessage(msg);
}
};
protected void checkThread() {
Message msg = new Message();
msg.what = TIMER_EXECUTE;
mHandler.sendMessage(msg);
}
class EThread extends Thread {
private boolean flag = true;
public void stopThread(boolean flag) {
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