samples/ApiDemos/src/com/example/android/apis/graphics/TranslucentGLSurfaceViewActivity.java

/*
 * Copyright (C) 2007 The Android Open Source Project
 *
 * 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.example.android.apis.graphics;

import android.app.Activity;
import android.graphics.PixelFormat;
import android.opengl.GLSurfaceView;
import android.os.Bundle;


/**
 * Wrapper activity demonstrating the use of {@link GLSurfaceView} to
 * display translucent 3D graphics.
 */
public class TranslucentGLSurfaceViewActivity extends Activity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        // Create our Preview view and set it as the content of our
        // Activity
        mGLSurfaceView = new GLSurfaceView(this);
        // We want an 8888 pixel format because that's required for
        // a translucent window.
        // And we want a depth buffer.
        mGLSurfaceView.setEGLConfigChooser(8, 8, 8, 8, 16, 0);
        // Tell the cube renderer that we want to render a translucent version
        // of the cube:
        mGLSurfaceView.setRenderer(new CubeRenderer(true));
        // Use a surface format with an Alpha channel:
        mGLSurfaceView.getHolder().setFormat(PixelFormat.TRANSLUCENT);
        setContentView(mGLSurfaceView);
    }

    @Override
    protected void onResume() {
        super.onResume();
        mGLSurfaceView.onResume();
    }

    @Override
    protected void onPause() {
        super.onPause();
        mGLSurfaceView.onPause();
    }

    private GLSurfaceView mGLSurfaceView;
}