public Bitmap getViewBitmap(View comBitmap, int width, int height) {
Bitmap bitmap = null;
if (comBitmap != null) {
comBitmap.clearFocus();
comBitmap.setPressed(false);
boolean willNotCache = comBitmap.willNotCacheDrawing();
comBitmap.setWillNotCacheDrawing(false);
// Reset the drawing cache background color to fully transparent
// for the duration of this operation
int color = comBitmap.getDrawingCacheBackgroundColor();
comBitmap.setDrawingCacheBackgroundColor(0);
float alpha = comBitmap.getAlpha();
comBitmap.setAlpha(1.0f);
if (color != 0) {
comBitmap.destroyDrawingCache();
}
int widthSpec = View.MeasureSpec.makeMeasureSpec(width, View.MeasureSpec.EXACTLY);
int heightSpec = View.MeasureSpec.makeMeasureSpec(height, View.MeasureSpec.EXACTLY);
comBitmap.measure(widthSpec, heightSpec);
comBitmap.layout(0, 0, width, height);
comBitmap.buildDrawingCache();
Bitmap cacheBitmap = comBitmap.getDrawingCache();
if (cacheBitmap == null) {
new RuntimeException()
;
return null;
}
bitmap = Bitmap.createBitmap(cacheBitmap);
// Restore the view
comBitmap.setAlpha(alpha);
comBitmap.destroyDrawingCache();
comBitmap.setWillNotCacheDrawing(willNotCache);
comBitmap.setDrawingCacheBackgroundColor(color);
}
return bitmap;
}
卜若的代码笔记-android开发的108个技巧-第10个技巧:View转Bitmap
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转载自blog.csdn.net/qq_37080133/article/details/103846475
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