点击非EditText区域隐藏软键盘

/**
* 点击非EditText区域隐藏软键盘
*
* @param ev
* @return
*/

    @Override
    public boolean dispatchTouchEvent(MotionEvent ev) {
        if (ev.getAction() == MotionEvent.ACTION_DOWN) {
            View v = getCurrentFocus();
            if (isShouldHideInput(v, ev)) {
                InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
                if (imm != null) {
                    assert v != null;
                    imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
                }
            }
            return super.dispatchTouchEvent(ev);
        }
        // 必不可少,否则所有的组件都不会有TouchEvent了
        return getWindow().superDispatchTouchEvent(ev) || onTouchEvent(ev);
    }

    public boolean isShouldHideInput(View v, MotionEvent event) {
        if (v != null && (v instanceof EditText)) {
            int[] leftTop = {0, 0};
            //获取输入框当前的location位置
            v.getLocationInWindow(leftTop);
            int left = leftTop[0];
            int top = leftTop[1];
            int bottom = top + v.getHeight();
            int right = left + v.getWidth();
            return !(event.getX() > left && event.getX() < right
                    && event.getY() > top && event.getY() < bottom);
        }
        return false;
    }

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