KeyboardUtil：软键盘显示隐藏工具类

一个控制软键盘显示隐藏的工具类(●’◡’●)

public class KeyboardUtil {

    /**
     * 根据EditText所在坐标和用户点击的坐标相对比，来判断是否隐藏键盘，因为当用户点击EditText时则不能隐藏
     *
     * @param v
     * @param event
     * @return
     */
    public static boolean isShouldHideKeyboard(View v, MotionEvent event) {
        if (v != null && (v instanceof EditText)) {
            int[] l = {0, 0};
            v.getLocationInWindow(l);
            int left = l[0],
                    top = l[1],
                    bottom = top + v.getHeight(),
                    right = left + v.getWidth();
            return !(event.getX() > left && event.getX() < right
                    && event.getY() > top && event.getY() < bottom);
        }
        // 如果焦点不是EditText则忽略，这个发生在视图刚绘制完，第一个焦点不在EditText上，和用户用轨迹球选择其他的焦点
        return false;
    }

    /**
     * 获取InputMethodManager，隐藏软键盘
     *
     * @param token
     */
    public static void hideKeyboard(Activity context, IBinder token) {
        if (token != null) {
            InputMethodManager imm = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
            imm.hideSoftInputFromWindow(token,0);
        }
    }
    /**
     * 获取InputMethodManager，隐藏软键盘
     *
     * @param token
     */
    public static void hideKeyboard(Activity context, IBinder token,int flags) {
        if (token != null) {
            InputMethodManager im = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
            im.hideSoftInputFromWindow(token, InputMethodManager.HIDE_NOT_ALWAYS);
        }
    }

    public static void showKeyBoard(Activity activity, View view){
        if(activity != null && view != null) {
            InputMethodManager imm = (InputMethodManager) activity.getSystemService(Context.INPUT_METHOD_SERVICE);
            imm.showSoftInput(view, InputMethodManager.SHOW_FORCED);
        }
    }
}