我有一个声明为此的类:
public class TestActivity extends Activity implements OnGestureListener {
实现的界面是import android.view.GestureDetector.OnGestureListener;
由于类var我有一个GestureDetector(private GestureDetector gestureDetector;
),我在onCreate事件上初始化:gestureDetector = new GestureDetector(this, this);
在此之后,我重写了接口方法:
@Override
public boolean onDown(MotionEvent e) {
Log.w(this.getClass().toString(), e.toString());
return true;
}
@Override
public void onShowPress(MotionEvent e) {
Log.w(this.getClass().toString(),e.toString());
}
@Override
public boolean onSingleTapUp(MotionEvent e) {
Log.w(this.getClass().toString(),e.toString());
return true;
}
@Override
public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
Log.w(this.getClass().toString(),e1.toString());
return true;
}
@Override
public void onLongPress(MotionEvent e) {
Log.w(this.getClass().toString(),e.toString());
}
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
Log.w(this.getClass().toString(),e1.toString());
return true;
}
我找到了一个使用不推荐的GestureListener(new GestureDetector(this)
)构造函数执行此操作的示例,但我也无法正常工作。
我忘记了什么步骤?
答案 0 :(得分:0)
你可以这样使用GestureDetector:
// Gesture detection
gestureDetector = new GestureDetector(this, new MyGestureDetector());
viewFlipperProduct.setOnTouchListener(new View.OnTouchListener() {
public boolean onTouch(View v, MotionEvent event) {
v.performClick();
return gestureDetector.onTouchEvent(event);
}
});
private class MyGestureDetector extends SimpleOnGestureListener {
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,
float velocityY) {
return true;
}
@Override
public boolean onDown(MotionEvent e) {
return true;
}
}