Код: Выделить всё
DrawThread drawThread;
cotSX cotP=null;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
surfaceView = (SurfaceView) findViewById(R.id.surfaceView1);
SurfaceHolder holder = surfaceView.getHolder();
holder.addCallback(new SurfaceHolder.Callback() {
@Override
public void surfaceCreated(SurfaceHolder holder) {
drawThread = new DrawThread(surfaceView.getHolder());
drawThread.setRunning(true);
drawThread.start();
}
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
}
@Override
public void surfaceDestroyed(SurfaceHolder holder) {
boolean retry = true;
drawThread.setRunning(false);
while(retry) {
try {
drawThread.join();
retry = false;
} catch (InterruptedException e) { }
}
}
});
}
//нажатие button
public void onClickStart(View view) {
if(cotP==null) {
cotP = new cotSX();
cotP.running = true;
cotP.start();
}
else {
cotP.running = false;
while(cotP.isAlive()==true);
cotP = new codecSX();
cotP.running = true;
cotP.start();
}
}
class cotSx extends Thread {
public boolean running = false;
@Override
public void run() {
while(running);
}
}
class DrawThread extends Thread {
private Canvas canvas;
private Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
private SurfaceHolder surfaceHolder;
private boolean running = false;
public void setRunning(boolean running) {
this.running = running;
}
public DrawThread(SurfaceHolder surfaceHolder) {
this.surfaceHolder = surfaceHolder;
}
@Override
public void run() {
while(running) {
canvas = null;
try {
canvas = surfaceHolder.lockCanvas(null);
if (canvas == null) {continue;}
canvas.drawColor(Color.GREEN);
} finally {
if (canvas != null) {
surfaceHolder.unlockCanvasAndPost(canvas);
}
}
}
}
}