//阻止后退行为
view.stage.addEventListener(KeyboardEvent.KEY_UP,keyboardHandler);
/**
* 当用户按下后退，强制程序关闭
*/
protected function keyboardHandler(event:KeyboardEvent):void
{if(event.keyCode == Keyboard.BACK){event.preventDefault();event.stopPropagation();NativeApplication.nativeApplication.exit();}
}

<!--<aspectRatio>landscape</aspectRatio>-->

<autoOrients>true</autoOrients>

stage.setOrientation(StageOrientation.ROTATED_LEFT);

//only support landscape mode
stage.addEventListener(StageOrientationEvent.ORIENTATION_CHANGING, onOrientationChanging );
/**only support landscape mode*/
private function onOrientationChanging(event:StageOrientationEvent):void
{// If the stage is about to move to an orientation we don't support, lets prevent it // from changing to that stage orientation. if(event.afterOrientation == StageOrientation.UPSIDE_DOWN || event.afterOrientation == StageOrientation.DEFAULT ) event.preventDefault();
}

<key>MinimumOSVersion</key>
<string>5.0.1</string>

img.setTexCoords(0,new Point(0.5,0.5));
img.setTexCoords(1,new Point(1,0.5));
img.setTexCoords(2,new Point(0.5,1));
img.setTexCoords(3,new Point(1,1));//TIPS: Starling中两个三角形组成一个四边形，而四边形的4个顶点的索引以及其位置是：
0 1
2 3

var birdTex:Texture = Texture.fromBitmap(new birdBMPClass() as Bitmap);
birdTex.repeat = true;
var bird:Image = new Image(birdTex);
bird.width = 960;
bird.height = 640;
bird.setTexCoords(1, new Point(bird.width/birdTex.width, 0));
bird.setTexCoords(2, new Point(0, bird.height/birdTex.height));
bird.setTexCoords(3, new Point(bird.width/birdTex.width, bird.height/birdTex.height));
addChild(bird);

/*** 克隆可视对象到一个图片* @param target    可视目标对象* @param persistent    指明纹理在经过多次绘制之后是否是持久的* @return */
public static function clone(target:DisplayObject, persistent:Boolean = false):Image
{if (!target){return null;}var texture:RenderTexture = new RenderTexture(target.width, target.height, persistent);if (target is DisplayObjectContainer){texture.drawBundled(function():void{var num:int = DisplayObjectContainer(target).numChildren;for (var i:int = 0; i < num; i++){texture.draw(DisplayObjectContainer(target).getChildAt(i));}});}else{texture.draw(target);}return new Image(texture);
}

var image1:TestImage = new TestImage(sAssets.getTexture("test"));
image1.smoothing = TextureSmoothing.NONE;

package
{import starling.display.Image;import starling.textures.Texture;import flash.geom.Point;import flash.utils.setTimeout;/*** 根据缩放，自动调整尺寸的Image*/    public class TestImage extends Image{public static var offset:Number = 0;public function TestImage(texture:Texture){super(texture);if(offset>0){setPositions();}}private function setPositions():void{var w:Number = super.width+offset;var h:Number = super.height+offset;mVertexData.setPosition(0,0-offset,0-offset);mVertexData.setPosition(1,w,0-offset);mVertexData.setPosition(2,0-offset,h);mVertexData.setPosition(3,w,h);}/**@override*/override public function readjustSize():void{super.readjustSize();setPositions();}/**@override*/override public function setTexCoords(vertexID:int, coords:Point):void{super.setTexCoords(vertexID,coords);setPositions();}/**@override*/override public function set width(value:Number):void{super.width = value;setTimeout(setPositions,1);}/**@override*/override public function set height(value:Number):void{super.height = value;setTimeout(setPositions,1);}}
}

// 使用
if(viewPort.width>stageWidth)TestImage.offset = 1;