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2014/10/16 ¤W¤È 08:23:02
android Programming Glossary: rotateimageviewRotating an ImageView like a compass (with the “north pole” set elsewhere) http://stackoverflow.com/questions/7978618/rotating-an-imageview-like-a-compass-with-the-north-pole-set-elsewhere azimuth azimuth 360 This is where we choose to point it float direction azimuth LocationObj.bearingTo destinationObj rotateImageView arrow R.drawable.arrow direction Set the field if baseAzimuth 0 baseAzimuth 45 fieldBearing.setText S else if baseAzimuth.. 0 baseAzimuth 360 fieldBearing.setText SE else fieldBearing.setText And here's the method that rotates the ImageView rotateImageView private void rotateImageView ImageView imageView int drawable float rotate Decode the drawable into a bitmap Bitmap bitmapOrg.. SE else fieldBearing.setText And here's the method that rotates the ImageView rotateImageView private void rotateImageView ImageView imageView int drawable float rotate Decode the drawable into a bitmap Bitmap bitmapOrg BitmapFactory.decodeResource..
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