如何在Android中使用Handler删除Message

今天就跟大家聊聊有关如何在Android中使用Handler删除Message，可能很多人都不太了解，为了让大家更加了解，小编给大家总结了以下内容，希望大家根据这篇文章可以有所收获。

Android Handler移除Message详解

问题：

removeMessage(what)函数是否只能移除对应what值的Message？

对于Delayed发送的Message，能否提前remove？

代码测试：

package javine.k.testhandler;  import android.app.Activity; import android.os.Bundle; import android.os.Handler; import android.os.HandlerThread; import android.os.Message; import android.util.Log; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button;  public class TestHandlerActivity extends Activity implements OnClickListener {    private Button startBtn;   private Button endBtn;   public Handler threadHandler; //子线程Handler    private Handler mHandler = new Handler() {     public void handleMessage(android.os.Message msg) {       threadHandler.sendEmptyMessageDelayed(1, 2000);       Log.d("info", "handle main-thread message...");     };   };    @Override   protected void onCreate(Bundle savedInstanceState) {     // TODO Auto-generated method stub     super.onCreate(savedInstanceState);     setContentView(R.layout.main);      startBtn = (Button) findViewById(R.id.startButton);     endBtn = (Button) findViewById(R.id.endButton);     startBtn.setOnClickListener(this);     endBtn.setOnClickListener(this);      new Thread(new Runnable() {       @Override       public void run() {         HandlerThread handlerThread = new HandlerThread("handler");         handlerThread.start();         threadHandler = new Handler(handlerThread.getLooper()) {           @Override           public void handleMessage(Message msg) {             //mHandler.sendEmptyMessageDelayed(0, 2000);<span >         </span>