/**

* @param view, the View you want to screenshot, such as WebView, etc.

* @param width, screenshot's width.

* @param height, screenshot's height.

* @param scroll, true if you want to start capture from currently scroll position.

* @param config, the Bitmap.Config, such as ARGB_8888, etc.

*

* @return the screenshot's Bitmap

*/

public static Bitmap capture(View view, float width, float height, boolean scroll, Bitmap.Config config) {

if (!view.isDrawingCacheEnabled()) {

view.setDrawingCacheEnabled(true);

}

Bitmap bitmap = Bitmap.createBitmap((int) width, (int) height, config);

bitmap.eraseColor(Color.WHITE);

Canvas canvas = new Canvas(bitmap);

int left = view.getLeft();

int top = view.getTop();

if (scroll) {

left = view.getScrollX();

top = view.getScrollY();

}

int status = canvas.save();

canvas.translate(-left, -top);

float scale = width / view.getWidth();

canvas.scale(scale, scale, left, top);

view.draw(canvas);

canvas.restoreToCount(status);

Paint alphaPaint = new Paint();

alphaPaint.setColor(Color.TRANSPARENT);

canvas.drawRect(0f, 0f, 1f, height, alphaPaint);

canvas.drawRect(width - 1f, 0f, width, height, alphaPaint);

canvas.drawRect(0f, 0f, width, 1f, alphaPaint);

canvas.drawRect(0f, height - 1f, width, height, alphaPaint);

canvas.setBitmap(null);

return bitmap;

}

public static String screenshot(Context context, Bitmap bitmap, String name) {

if (bitmap == null) {

return null;

}

File dir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES);

if (name == null || name.trim().isEmpty()) {

name = String.valueOf(System.currentTimeMillis());

}

name = name.trim();

int count = 0;

File file = new File(dir, name + ".png");

while (file.exists()) {

count++;

file = new File(dir, name + "." + count + ".png");

}

try {

FileOutputStream stream = new FileOutputStream(file);

bitmap.compress(Bitmap.CompressFormat.PNG, 100, stream);

stream.flush();

stream.close();

context.sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, Uri.fromFile(file)));

return file.getAbsolutePath();

} catch (Exception e) {

return null;

}

}

原文：http://blog.csdn.net/tanranran/article/details/46043987