Android 在SurfaceView中滑动手势以显示mediaplayer
我正在为android开发一个电影播放器。我想在我的surfaceView上实现类似mx播放器的手势(左侧向上/向下滑动,右侧向上/向下滑动,右侧/左侧滑动)。我如何做到这一点???受到以下警告的启发,但经过修改后不会得到不推荐的警告: MainActivity.java:Android 在SurfaceView中滑动手势以显示mediaplayer,android,surfaceview,gesture,Android,Surfaceview,Gesture,我正在为android开发一个电影播放器。我想在我的surfaceView上实现类似mx播放器的手势(左侧向上/向下滑动,右侧向上/向下滑动,右侧/左侧滑动)。我如何做到这一点???受到以下警告的启发,但经过修改后不会得到不推荐的警告: MainActivity.java: private SurfaceView surfaceView; @Override public void onCreate(Bundle savedInstanceState) { su
private SurfaceView surfaceView;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
surfaceView = new SurfaceView(this);
surfaceView.setOnTouchListener(new OnSwipeTouchListener(this) {
public void onSwipeTop() {
Toast.makeText(MainActivity.this, "top", Toast.LENGTH_SHORT).show();
}
public void onSwipeRight() {
Toast.makeText(MainActivity.this, "right", Toast.LENGTH_SHORT).show();
}
public void onSwipeLeft() {
Toast.makeText(MainActivity.this, "left", Toast.LENGTH_SHORT).show();
}
public void onSwipeBottom() {
Toast.makeText(MainActivity.this, "bottom", Toast.LENGTH_SHORT).show();
}
});
setContentView(surfaceView);
}
onswitTouchListener.java
public class OnSwipeTouchListener implements OnTouchListener {
private final GestureDetector gestureDetector;
public OnSwipeTouchListener(Context ctx) {
gestureDetector = new GestureDetector(ctx, new GestureListener());
}
public boolean onTouch(final View view, final MotionEvent motionEvent) {
return gestureDetector.onTouchEvent(motionEvent);
}
private final class GestureListener extends SimpleOnGestureListener {
private static final int SWIPE_THRESHOLD = 100;
private static final int SWIPE_VELOCITY_THRESHOLD = 100;
@Override
public boolean onDown(MotionEvent e) {
return true;
}
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
boolean result = false;
try {
float diffY = e2.getY() - e1.getY();
float diffX = e2.getX() - e1.getX();
if (Math.abs(diffX) > Math.abs(diffY)) {
if (Math.abs(diffX) > SWIPE_THRESHOLD && Math.abs(velocityX) > SWIPE_VELOCITY_THRESHOLD) {
if (diffX > 0) {
onSwipeRight();
} else {
onSwipeLeft();
}
}
} else {
if (Math.abs(diffY) > SWIPE_THRESHOLD && Math.abs(velocityY) > SWIPE_VELOCITY_THRESHOLD) {
if (diffY > 0) {
onSwipeBottom();
} else {
onSwipeTop();
}
}
}
} catch (Exception exception) {
exception.printStackTrace();
}
return result;
}
}
public void onSwipeRight() {
}
public void onSwipeLeft() {
}
public void onSwipeTop() {
}
public void onSwipeBottom() {
}
}
谢谢你,伙计,但我想要刷卡的姿势。不是这个。