Android实现完整游戏循环的方法

本文实例讲述了Android实现完整游戏循环的方法。分享给大家供大家参考。具体如下：

1. DroidzActivity.java：

package net.obviam.droidz;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.Window;
import android.view.WindowManager;
public class DroidzActivity extends Activity {
  
 private static final String TAG = DroidzActivity.class.getSimpleName();
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    // requesting to turn the title OFF
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    // making it full screen
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
    // set our MainGamePanel as the View
    setContentView(new MainGamePanel(this));
    Log.d(TAG, "View added");
  }
 @Override
 protected void onDestroy() {
 Log.d(TAG, "Destroying...");
 super.onDestroy();
 }
 @Override
 protected void onStop() {
 Log.d(TAG, "Stopping...");
 super.onStop();
 }
}

2. MainThread.java：

package net.obviam.droidz;
import android.util.Log;
import android.view.SurfaceHolder;
public class MainThread extends Thread {
 private static final String TAG = MainThread.class.getSimpleName();
 private SurfaceHolder surfaceHolder;
 private MainGamePanel gamePanel;
 private boolean running;
 public void setRunning(boolean running) {
 this.running = running;
 }
 public MainThread(SurfaceHolder surfaceHolder, MainGamePanel gamePanel) {
 super();
 this.surfaceHolder = surfaceHolder;
 this.gamePanel = gamePanel;
 }
 @Override
 public void run() {
 long tickCount = 0L;
 Log.d(TAG, "Starting game loop");
 while (running) {
  tickCount++;
  // update game state
  // render state to the screen
 }
 Log.d(TAG, "Game loop executed " + tickCount + " times");
 }
}

3. MainGamePanel.java：

package net.obviam.droidz;
import android.content.Context;
import android.graphics.Canvas;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
public class MainGamePanel extends SurfaceView implements
 SurfaceHolder.Callback {
 private MainThread thread;
 public MainGamePanel(Context context) {
 super(context);
 getHolder().addCallback(this);
 // create the game loop thread
 thread = new MainThread();
 setFocusable(true);
 }
 @Override
 public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
 }
 @Override
 public void surfaceCreated(SurfaceHolder holder) {
 thread.setRunning(true);
 thread.start();
 }
 @Override
 public void surfaceDestroyed(SurfaceHolder holder) {
 boolean retry = true;
 while (retry) {
  try {
  thread.join();
  retry = false;
  } catch (InterruptedException e) {
  // try again shutting down the thread
  }
 }
 }
 @Override
 public boolean onTouchEvent(MotionEvent event) {
 return super.onTouchEvent(event);
 }
 @Override
 protected void onDraw(Canvas canvas) {
 }
}

希望本文所述对大家的Android程序设计有所帮助。

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