我展示了一张使用Tileview
和TileView库的大图
现在我想在矩形边界上显示一个圆圈,当它被裁剪在特定的瓷砖上时。
如何在哪个磁贴上点击?以及如何在该磁贴上显示 BitMmap
?
public class LargeImageTileViewActivity extends TileViewActivity {
TileView tileView;
@Override
public void onCreate( Bundle savedInstanceState ) {
super.onCreate( savedInstanceState );
// multiple references
tileView = getTileView();
// by disabling transitions, we won't see a flicker of background color when moving between tile sets
tileView.setTransitionsEnabled( false );
// size of original image at 100% scale
tileView.setSize( 2835, 4289 );
// detail levels
tileView.addDetailLevel( 1.000f, "tiles/painting/1000/%col%_%row%.jpg");
tileView.addDetailLevel( 0.500f, "tiles/painting/500/%col%_%row%.jpg");
tileView.addDetailLevel( 0.250f, "tiles/painting/250/%col%_%row%.jpg");
tileView.addDetailLevel( 0.125f, "tiles/painting/125/%col%_%row%.jpg");
// set scale to 0, but keep scaleToFit true, so it'll be as small as possible but still match the container
tileView.setScale( 0 );
// let's use 0-1 positioning...
tileView.defineRelativeBounds( 0, 0, 1, 1 );
// frame to center
frameTo( 0.5, 0.5 );
tileView.addTileViewEventListener( listener );
}
private TileViewEventListenerImplementation listener = new TileViewEventListenerImplementation(){
public void onTap( int x, int y ) {
SampleCallout callout = new SampleCallout(LargeImageTileViewActivity.this);
tileView.slideToAndCenter(x, y);
//Toast.makeText(mContext, "Center " + tempStore.getCenterX() + " " + tempStore.getCenterY(), Toast.LENGTH_SHORT).show();
tileView.addCallout(callout, x, y, -0.5f, -1.0f);
callout.transitionIn();
}
};
}
发布于 2015-08-18 05:29:23
根据对库的深入研究,在我看来,如果不修改代码,您将无法获得磁贴(虽然您可能不需要获得磁贴,请参阅选项2中的更多内容),但这是可行的,因为它是开源的,所以您可以在本地进行修改并从那里开始。
First选项:
您需要的第一个修改:
在https://github.com/moagrius/TileView/blob/master/src/com/qozix/tileview/detail/DetailManager.java中
添加以下代码:
public DetailLevel getCurrentDetailLevel() {
return currentDetailLevel;
}
在https://github.com/moagrius/TileView/blob/master/src/com/qozix/tileview/TileView.java中
public DetailManager getDetailManager() {
return detailManager;
}
这将公开您在DetailLevel中所需的方法,例如
public LinkedList<Tile> getIntersections()
它将返回当前视图端口中的平铺,每个平铺都知道它的边界是左/右和上/下,所以你可以迭代平铺并找到你点击的那个。
第二个选项(如果可能,建议使用):
既然你知道所有东西的rects,你可以简单地添加HotSpots,在库中HotSpots看起来是支持点击监听器的rects。
您可以像这样添加HotSpot:
HotSpot hotSpot = new HotSpot(left, top, right, bottom);
hotSpot.setHotSpotEventListener(this);
tileView.addHotSpot(hotSpot);
....
public void onHotSpotTap(HotSpot hotSpot, int x, int y){
Do your gui update using the supplied hotSpot above
}
更多信息:https://github.com/moagrius/TileView/blob/master/src/com/qozix/tileview/hotspots/HotSpot.java
添加圆形的
该库支持标记,您可以简单地添加一个以圆作为标记的图像视图,如下所示
ImageView view = new ImageView (this);
view.setImageResource(circleId);
tileView.addMarker (view, tile.x, tile.y);
https://stackoverflow.com/questions/31956190
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