import org.andengine.engine.options.resolutionpolicy.IResolutionPolicy; //导入依赖的package包/类
@Override
public EngineOptions onCreateEngineOptions() {
    mCamera = new Camera(0, 0, CAMERA_WIDTH, CAMERA_HEIGHT);
    IResolutionPolicy resolutionPolicy =
            new RatioResolutionPolicy(CAMERA_WIDTH, CAMERA_HEIGHT);

    return new EngineOptions(true,
            ScreenOrientation.LANDSCAPE_FIXED,
            resolutionPolicy,
            mCamera);
}
 

import org.andengine.engine.options.resolutionpolicy.IResolutionPolicy; //导入依赖的package包/类
@Override
public EngineOptions onCreateEngineOptions() {
	
	prefs = PreferenceManager.getDefaultSharedPreferences(this);
	camera = new FollowCamera(0, 0, Constants.CW, Constants.CH);
	IResolutionPolicy resolutionPolicy = new FillResolutionPolicy();
	EngineOptions engineOptions = new EngineOptions(true,
			ScreenOrientation.PORTRAIT_FIXED, resolutionPolicy, camera);
	engineOptions.getAudioOptions().setNeedsMusic(true).setNeedsSound(true);
	engineOptions.setWakeLockOptions(WakeLockOptions.SCREEN_ON);
	return engineOptions;
}
 

import org.andengine.engine.options.resolutionpolicy.IResolutionPolicy; //导入依赖的package包/类
public EngineOptions(final boolean pFullscreen, final ScreenOrientation pScreenOrientation, final IResolutionPolicy pResolutionPolicy, final Camera pCamera) {
	this.mFullscreen = pFullscreen;
	this.mScreenOrientation = pScreenOrientation;
	this.mResolutionPolicy = pResolutionPolicy;
	this.mCamera = pCamera;
}
 

import org.andengine.engine.options.resolutionpolicy.IResolutionPolicy; //导入依赖的package包/类
public IResolutionPolicy getResolutionPolicy() {
	return this.mResolutionPolicy;
}