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Android第四十二期 - 关于微信手势退出Activity的操作

更新时间:2022-09-21 12:31:07

    微信现在支持手势退出当前Activity了,我也接到需求就写了,代码已经整理好,效果图如下:

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public GestureDetector gestureDetector = new GestureDetector(
            new OnGestureListener() {
 
                @Override
                public boolean onSingleTapUp(MotionEvent e) {
                    return false;
                }
 
                @Override
                public void onShowPress(MotionEvent e) {
 
                }
 
                @Override
                public boolean onScroll(MotionEvent e1, MotionEvent e2,
                        float distanceX, float distanceY) {
                    return false;
                }
 
                @Override
                public void onLongPress(MotionEvent e) {
 
                }
 
                @Override
                public boolean onFling(MotionEvent e1, MotionEvent e2,
                        float velocityX, float velocityY) {
                    MyLogUtil.v("e1.getX()->", e1.getX() + "");
                    // 控制只右滑
                    if (e2.getX() - e1.getX() > 0
                            && (e1.getX() >= 0 && e1.getX() <= 100)) {
                        if (Math.abs(e2.getX() - e1.getX()) > Math.abs(e2
                                .getY() - e1.getY())
                                && Math.abs(velocityX) > 1000) {
                            overridePendingTransition(R.anim.open_next,
                                    R.anim.close_main);
                            // finish();
                            onBackPressed();
                        }
                    }
                    return false;
                }
 
                @Override
                public boolean onDown(MotionEvent e) {
                    return false;
                }
            });
 
    @Override
    public boolean dispatchTouchEvent(MotionEvent ev) {
        gestureDetector.onTouchEvent(ev);
        // scroll.onTouchEvent(ev);
        return super.dispatchTouchEvent(ev);
    }

    Android第四十二期 - 关于微信手势退出Activity的操作









本文转自 吴雨声 51CTO博客,原文链接:http://blog.51cto.com/liangxiao/1671773,如需转载请自行联系原作者