Android屏幕及view的截图

public static Bitmap getNormalViewScreenshot(View view) {
view.setDrawingCacheEnabled(true);
view.buildDrawingCache();
return view.getDrawingCache();
}

public static Bitmap getWholeScrollViewToBitmap(View view) {
view.measure(MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED),
MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));
view.layout(0, 0, view.getMeasuredWidth(), view.getMeasuredHeight());
view.buildDrawingCache();
Bitmap bitmap = view.getDrawingCache();
return bitmap;
}

public static Bitmap getWholeWebViewToBitmap(WebView webView) {
Picture snapShot = webView.capturePicture();
Bitmap bmp = Bitmap.createBitmap(snapShot.getWidth(), snapShot.getHeight(), Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(bmp);
snapShot.draw(canvas);
return bmp;
}

public static Bitmap getWholeListViewItemsToBitmap(ListView listview) {

ListAdapter adapter = listview.getAdapter();
int itemscount = adapter.getCount();
int allitemsheight = 0;
List<Bitmap> bmps = new ArrayList<Bitmap>();

for (int i = 0; i < itemscount; i++) {

View childView = adapter.getView(i, null, listview);
childView.measure(MeasureSpec.makeMeasureSpec(listview.getWidth(), MeasureSpec.EXACTLY),
MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));

childView.layout(0, 0, childView.getMeasuredWidth(), childView.getMeasuredHeight());
childView.setDrawingCacheEnabled(true);
childView.buildDrawingCache();
bmps.add(childView.getDrawingCache());
allitemsheight += childView.getMeasuredHeight();
}

Bitmap bigbitmap = Bitmap.createBitmap(listview.getMeasuredWidth(), allitemsheight, Bitmap.Config.ARGB_8888);
Canvas bigcanvas = new Canvas(bigbitmap);

Paint paint = new Paint();
int iHeight = 0;

for (int i = 0; i < bmps.size(); i++) {
Bitmap bmp = bmps.get(i);
bigcanvas.drawBitmap(bmp, 0, iHeight, paint);
iHeight += bmp.getHeight();

bmp.recycle();
bmp = null;
}
return bigbitmap;
}

Bitmap normalViewScreenshot = ScreenShotUtils.getNormalViewScreenshot(mFrameContent);
if (normalViewScreenshot != null) {
Bitmap b = Bitmap.createBitmap(normalViewScreenshot);
mImageResult.setImageBitmap(b);
mFrameContent.destroyDrawingCache();
}