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[英]How do I create a help overlay like you see in a few Android apps and ICS?
[英]Need help to create overlay like in the pic in android
我需要做一个覆盖就像这个附加的图片......需要帮助......我需要标记一个 position 就像在红色的图片中......
boolean draw(Canvas canvas, MapView mapv, boolean shadow, long when)
方法:
super(canvas, mapv, shadow)
mapv.getProjection().toPixels(geopoint, newPoint)
canvas.drawPath(path,paint)
绘制路径
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