Update a view by params - Android User Interface

Android examples for User Interface:View

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Description

Update a view by params

Demo Code

/*//from ww  w.j a  va 2  s  .co  m
 * Copyright (C) 2016 venshine.cn@gmail.com
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
//package com.java2s;
import android.content.Context;

import android.view.View;
import android.view.WindowManager;

public class Main {
    private static WindowManager mWindowManager;

    /**
     * Update a view by params
     *
     * @param context
     * @param view
     * @param params
     */
    public static void updateView(Context context, View view,
            WindowManager.LayoutParams params) {
        if (context == null || view == null || params == null) {
            throw new IllegalArgumentException("argument cannot be null.");
        }
        mWindowManager = getWindowManager(context);
        mWindowManager.updateViewLayout(view, params);
    }

    private static WindowManager getWindowManager(Context context) {
        if (mWindowManager == null) {
            mWindowManager = (WindowManager) context
                    .getSystemService(Context.WINDOW_SERVICE);
        }
        return mWindowManager;
    }
}

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