直接看實例： package com.example.gesturedetector;import android.os.Bundle; import android.app.Activity; import android.view.GestureDetector; import android.view.GestureDetector.OnGestureListener; import android.view.Menu; import android.view.MotionEvent; import android.widget.Toast;public class MainActivity extends Activity implements OnGestureListener {private GestureDetector mGestureDetector;@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mGestureDetector = new GestureDetector(this, this); }@Override public boolean onTouchEvent(MotionEvent event) { // TODO Auto-generated method stub mGestureDetector.onTouchEvent(event); return super.onTouchEvent(event); }@Override public boolean onDown(MotionEvent arg0) { // TODO Auto-generated method stub //Toast.makeText(this, "onDown", Toast.LENGTH_SHORT).show(); return false; }@Override public boolean onFling(MotionEvent startEvent, MotionEvent endEvent, float velocityX, float velocityY) { // TODO Auto-generated method stub if (startEvent.getY() - endEvent.getY() > 100) { Toast.makeText(this, "手勢向上滑動", Toast.LENGTH_SHORT).show(); return true; } else if (startEvent.getY() - endEvent.getY() < -100) { Toast.makeText(this, "手勢向下滑動", Toast.LENGTH_SHORT).show(); return true; } else if (startEvent.getX() - endEvent.getX() > 100) { Toast.makeText(this, "手勢向左滑動", Toast.LENGTH_SHORT).show(); return true; } else if (startEvent.getX() - endEvent.getX() < -100) { Toast.makeText(this, "手勢向右滑動", Toast.LENGTH_SHORT).show(); return true; } return false; }@Override public void onLongPress(MotionEvent arg0) { // TODO Auto-generated method stub //Toast.makeText(this, "onLongPress ", Toast.LENGTH_SHORT).show(); }@Override public boolean onScroll(MotionEvent arg0, MotionEvent arg1, float arg2, float arg3) { // TODO Auto-generated method stub //Toast.makeText(this, "onScroll", Toast.LENGTH_SHORT).show(); return false; }@Override public void onShowPress(MotionEvent arg0) { // TODO Auto-generated method stub //Toast.makeText(this, "onShowPress", Toast.LENGTH_SHORT).show(); }@Override public boolean onSingleTapUp(MotionEvent arg0) { // TODO Auto-generated method stub //Toast.makeText(this, "onSingleTapUp", Toast.LENGTH_SHORT).show(); return false; }@Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.activity_main, menu); return true; }} 事件解釋： 1. onDown(MotionEvent e)：down事件； 2. onSingleTapUp(MotionEvent e)：一次點擊up事件； 3. onShowPress(MotionEvent e)：down事件發生而move或則up還沒發生前觸發該事件； 4. onLongPress(MotionEvent e)：長按事件； 5. onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY)：滑動手勢事件； 6. onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY)：在屏幕上拖動事件。

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