Mega Code Archive
Surface View Test Activity
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package app.test;
import android.app.Activity;
import android.content.Context;
import android.graphics.Canvas;
import android.os.Bundle;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.Window;
import android.view.WindowManager;
public class Test extends Activity {
FastRenderView renderView;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
renderView = new FastRenderView(this);
setContentView(renderView);
}
protected void onResume() {
super.onResume();
renderView.resume();
}
protected void onPause() {
super.onPause();
renderView.pause();
}
}
class FastRenderView extends SurfaceView implements Runnable {
Thread renderThread = null;
SurfaceHolder holder;
volatile boolean running = false;
public FastRenderView(Context context) {
super(context);
holder = getHolder();
}
public void resume() {
running = true;
renderThread = new Thread(this);
renderThread.start();
}
public void run() {
while (running) {
if (!holder.getSurface().isValid())
continue;
Canvas canvas = holder.lockCanvas();
canvas.drawRGB(255, 0, 0);
holder.unlockCanvasAndPost(canvas);
}
}
public void pause() {
running = false;
while (true) {
try {
renderThread.join();
} catch (InterruptedException e) {
// retry
}
}
}
}
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