1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.example.android.apis.graphics; 18 19 import android.app.Activity; 20 import android.graphics.PixelFormat; 21 import android.opengl.GLSurfaceView; 22 import android.os.Bundle; 23 24 25 /** 26 * Wrapper activity demonstrating the use of {@link GLSurfaceView} to 27 * display translucent 3D graphics. 28 */ 29 public class TranslucentGLSurfaceViewActivity extends Activity { 30 @Override onCreate(Bundle savedInstanceState)31 protected void onCreate(Bundle savedInstanceState) { 32 super.onCreate(savedInstanceState); 33 34 // Create our Preview view and set it as the content of our 35 // Activity 36 mGLSurfaceView = new GLSurfaceView(this); 37 // We want an 8888 pixel format because that's required for 38 // a translucent window. 39 // And we want a depth buffer. 40 mGLSurfaceView.setEGLConfigChooser(8, 8, 8, 8, 16, 0); 41 // Tell the cube renderer that we want to render a translucent version 42 // of the cube: 43 mGLSurfaceView.setRenderer(new CubeRenderer(true)); 44 // Use a surface format with an Alpha channel: 45 mGLSurfaceView.getHolder().setFormat(PixelFormat.TRANSLUCENT); 46 setContentView(mGLSurfaceView); 47 } 48 49 @Override onResume()50 protected void onResume() { 51 super.onResume(); 52 mGLSurfaceView.onResume(); 53 } 54 55 @Override onPause()56 protected void onPause() { 57 super.onPause(); 58 mGLSurfaceView.onPause(); 59 } 60 61 private GLSurfaceView mGLSurfaceView; 62 } 63 64