创建简单的手势滑动从左到右,从右到左 [英] Create Simple gesture for swipe left to right and right to left
本文介绍了创建简单的手势滑动从左到右,从右到左的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我要创建两个活动之间的简单滑动手势,我寻觅了很多有类似below.But我的疑问是如何可以用滑动手势!我刷的活动或视图
I want to create simple swipe gestures between two activity ,i have searched a lot got something like below.But my doubt is how could i swipe the activity or view using swipe gesture!!
class MyGestureDetector extends SimpleOnGestureListener {
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
try {
if (Math.abs(e1.getY() - e2.getY()) > SWIPE_MAX_OFF_PATH)
return false;
// right to left swipe
if(e1.getX() - e2.getX() > SWIPE_MIN_DISTANCE && Math.abs(velocityX) > SWIPE_THRESHOLD_VELOCITY) {
Toast.makeText(SelectFilterActivity.this, "Left Swipe", Toast.LENGTH_SHORT).show();
} else if (e2.getX() - e1.getX() > SWIPE_MIN_DISTANCE && Math.abs(velocityX) > SWIPE_THRESHOLD_VELOCITY) {
Toast.makeText(SelectFilterActivity.this, "Right Swipe", Toast.LENGTH_SHORT).show();
}
} catch (Exception e) {
// nothing
}
return false;
}
希望有人可以帮助我走出@Thanks!
Hope anybody will help me out @Thanks!
推荐答案
现在试试这个code ..
Try this code now..
page = (LinearLayout) findViewById(R.id.flipper);
@Override
public boolean dispatchTouchEvent(MotionEvent event) {
super.dispatchTouchEvent(event);
return gestureDetector.onTouchEvent(event);
}
SimpleOnGestureListener simpleOnGestureListener = new SimpleOnGestureListener() {
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,
float velocityY) {
float sensitvity = 50;
if ((e1.getX() - e2.getX()) > sensitvity) {
SwipeLeft();
} else if ((e2.getX() - e1.getX()) > sensitvity) {
SwipeRight();
}
return true;
}
};
GestureDetector gestureDetector = new GestureDetector(
simpleOnGestureListener);
private void SwipeLeft() {
page.setInAnimation(animFlipInForeward);
page.setOutAnimation(animFlipOutForeward);
page.showNext();
}
private void SwipeRight() {
page.setInAnimation(animFlipInBackward);
page.setOutAnimation(animFlipOutBackward);
page.showPrevious();
}
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