package rw.gest;import android.app.Activity;import android.content.Intent;import android.os.Bundle;import android.view.GestureDetector;import android.view.GestureDetector.OnGestureListener;import android.view.MotionEvent;import android.view.View;import android.view.View.OnTouchListener;import android.widget.LinearLayout;import android.widget.Toast;public class Gest01Activity extends Activity{ GestureDetector detector; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); detector=new GestureDetector(new GestureListener()); LinearLayout layout=(LinearLayout)findViewById(R.id.linearlayout); layout.setOnTouchListener(new TouhListener()); layout.setLongClickable(true); }//触摸屏幕监听class TouhListener implements OnTouchListener{@Overridepublic boolean onTouch(View v, MotionEvent event) {// TODO Auto-generated method stubToast.makeText(getApplicationContext(), "----?", event.getAction()).show();return detector.onTouchEvent(event);}}//手势滑动监听class GestureListener implements OnGestureListener{@Overridepublic boolean onDown(MotionEvent e) {// TODO Auto-generated method stub/* * 当触摸屏幕是使用这个函数 */Toast.makeText(getApplicationContext(), "-----------> onDown", Toast.LENGTH_LONG).show();return false;}@Overridepublic boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,float velocityY) {// e1 触摸的起始位置，e2 触摸的结束位置，velocityX X轴每一秒移动的像素速度（大概这个意思） velocityY 就是Ｙ咯//手势左,上为正 ——，右，下为负正if (e2.getX()-e1.getX()>50) {//为什么是50？ 这个根据你的模拟器大小来定，看看模拟器宽度，e2.getX()-e1.getX()<屏幕宽度就ＯＫToast.makeText(getApplicationContext(), "向右滑动", Toast.LENGTH_LONG).show();//要触发什么事件都在这里写就OK //如果要跳转到另外一个activityIntent intent=new Intent(Gest01Activity.this, toActivity.class);startActivity(intent);}if (Math.abs(e2.getX()-e1.getX())>50) {Toast.makeText(getApplicationContext(), "向左滑动", Toast.LENGTH_LONG).show();}if (Math.abs(e2.getY()-e1.getY())>50) {Toast.makeText(getApplicationContext(), "向上滑动", Toast.LENGTH_LONG).show();}if (e2.getY()-e1.getY()>50) {Toast.makeText(getApplicationContext(), "向下滑动", Toast.LENGTH_LONG).show();}return false;}@Overridepublic void onLongPress(MotionEvent e) {// TODO Auto-generated method stub\ /* * 长按事件 一切长事件按屏幕想要触发的事件都在这里写 */Toast.makeText(getApplicationContext(), "------------> onLongPress", Toast.LENGTH_LONG).show();}@Overridepublic boolean onScroll(MotionEvent e1, MotionEvent e2,float distanceX, float distanceY) {// TODO Auto-generated method stub/* * 这个函数大概是这样，英语差了，有误差。distanceX 是X轴路径长度，distanceY 是Y轴路径长度（注意：是路径，不是位移）; */Toast.makeText(getApplicationContext(), "------------> onScroll", Toast.LENGTH_LONG).show();return false;}@Overridepublic void onShowPress(MotionEvent e) {// TODO Auto-generated method stub/* * */Toast.makeText(getApplicationContext(), "------------> onShowPress", Toast.LENGTH_LONG).show();}@Overridepublic boolean onSingleTapUp(MotionEvent e) {// TODO Auto-generated method stubToast.makeText(getApplicationContext(), "------------> onSingleTapUp", Toast.LENGTH_LONG).show();return false;}}}
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" android:id="@+id/linearlayout" ><ImageView android:src="@drawable/eight" android:id="@+id/imageView1" android:layout_height="match_parent" android:layout_width="match_parent"></ImageView></LinearLayout>
先上代码再看图，解释在代码中.............
