1 package com.android.phasebeam;
2 
3 import android.content.Context;
4 import android.renderscript.RSSurfaceView;
5 import android.renderscript.RenderScriptGL;
6 import android.view.SurfaceHolder;
7 
8 public class PhaseBeamView extends RSSurfaceView {
9 
10     private RenderScriptGL mRS;
11     private PhaseBeamRS mRender;
12 
PhaseBeamView(Context context)13     public PhaseBeamView(Context context) {
14         super(context);
15         setFocusable(true);
16         setFocusableInTouchMode(true);
17     }
18 
surfaceChanged(SurfaceHolder holder, int format, int w, int h)19     public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
20         super.surfaceChanged(holder, format, w, h);
21 
22         if (mRS == null) {
23             RenderScriptGL.SurfaceConfig sc = new RenderScriptGL.SurfaceConfig();
24             mRS = createRenderScriptGL(sc);
25             mRS.setSurface(holder, w, h);
26 
27             mRender = new PhaseBeamRS();
28             mRender.init(240, mRS, getResources(), w, h);
29         }
30 
31     }
32 
33     @Override
onDetachedFromWindow()34     protected void onDetachedFromWindow() {
35         if (mRS != null) {
36             mRS.setSurface(null, 0, 0);
37             mRS = null;
38             destroyRenderScriptGL();
39         }
40     }
41 
42 }
43