onTouchEvent在DOWN事件里发送多条相同数据和UP里终止线程

来源：互联网发布：vb 中的structure 编辑：程序博客网时间：2024/06/05 13:27

package com.example.administrator.myapplication;import android.os.Handler;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.util.Log;import android.view.MotionEvent;import android.view.View;import android.widget.Button;import android.widget.TextView;public class MainActivity extends AppCompatActivity {    private Handler handler = new Handler();//    boolean on = false;    boolean off = false;    private Runnable runnable = new Runnable() {        public void run() {            handler.postDelayed(this,1000);           Log.d("MainActivity", "hehe");        }    };    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        final Button tv = (Button) findViewById(R.id.tv);        tv.setOnTouchListener(new View.OnTouchListener() {            @Override            public boolean onTouch(View v, MotionEvent event) {                switch(event.getAction()){                    case MotionEvent.ACTION_DOWN://                        on = false;                            handler.postDelayed(runnable,1000);                        off =true;                        break;                    case MotionEvent.ACTION_UP:                        if (off)                            handler.removeCallbacks(runnable);                        break;                    default:                        break;                }                return false;            }        });    }}

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