隱藏鍵盤

/**
 * 判斷鍵盤是否顯示
 *
 * @return true 顯示
 */
public static boolean isSoftShowing(Activity activity) {
    //獲取當前屏幕內容的高度
    int screenHeight = activity.getWindow().getDecorView().getHeight();
    //獲取View可見區域的bottom
    Rect rect = new Rect();
    activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(rect);

    return screenHeight - rect.bottom != 0;
}

/**
 * 隱藏鍵盤
 */
public static void hide(Activity activity) {
    if (isSoftShowing(activity)){
        InputMethodManager imm = (InputMethodManager) activity.getSystemService(Context.INPUT_METHOD_SERVICE);
        imm.toggleSoftInput(0, InputMethodManager.HIDE_NOT_ALWAYS);
    }
}