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2014/10/16 ¤W¤È 08:11:04
android Programming Glossary: carbitmapAnimating and rotating an image in a Surface View http://stackoverflow.com/questions/2439301/animating-and-rotating-an-image-in-a-surface-view long startTime SystemClock.elapsedRealtime long currentTime float elapsedRatio 0 Bitmap bufferBitmap carBitmap Matrix matrix new Matrix while elapsedRatio 1 matrix.setRotate elapsedRatio degrees carBitmap Bitmap.createBitmap bufferBitmap.. 0 Bitmap bufferBitmap carBitmap Matrix matrix new Matrix while elapsedRatio 1 matrix.setRotate elapsedRatio degrees carBitmap Bitmap.createBitmap bufferBitmap 0 0 width height matrix true draw your canvas here using whatever method you've defined.. ratio will never exactly equal 1 you have to manually draw the last frame matrix new Matrix matrix.setRotate degrees carBitmap Bitmap.createBitmap bufferBitmap 0 0 width height matrix true draw the canvas again here as before And you can now set whatever..
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