Android View截图方法

 

	/**
	 * view 截图法
	 * @param view
	 * @param name
	 * @throws Exception
	 */

	public static String SCREEN_SHOTS_LOCATION = Environment
			.getExternalStorageDirectory().getPath();
	public void takeScreenShot(View view, String name) throws Exception {
		view.setDrawingCacheEnabled(true);
		view.buildDrawingCache();
		Bitmap bitmap = view.getDrawingCache();
		Canvas canvas = new Canvas(bitmap);
		int w = bitmap.getWidth();
		int h = bitmap.getHeight();

		Paint paint = new Paint();
		paint.setColor(Color.YELLOW);
		SimpleDateFormat simple = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
		String time = simple.format(new Date());

		canvas.drawText(time, w - w / 2, h - h / 10, paint);
		canvas.save();
		canvas.restore();
		FileOutputStream fos = null;
		try {
			File sddir = new File(SCREEN_SHOTS_LOCATION);
			if (!sddir.exists()) {
				sddir.mkdirs();
			}
			// image.setImageBitmap(bitmap);
			File file = new File(SCREEN_SHOTS_LOCATION + File.separator
					+ "screen" + ".png");

			fos = new FileOutputStream(file);
			if (fos != null) {
				bitmap.compress(Bitmap.CompressFormat.PNG, 90, fos);
				fos.close();
			}
		} catch (Exception e) {
			Log.e("tag", e.getCause().toString());
			e.printStackTrace();
		}
	}

 view的截图方法 也就是只能截取自己应用的界面