Android从相册获取图片

关键代码：

/**  
	 * @ClassName: fromPhotoListenerImpl  
	 * @Description: 相册 
	 * @author chenzheng
	 * @date 2014-5-6 下午7:33:04  
	 */
	private class fromPhotoListenerImpl implements OnClickListener {

		@Override
		public void onClick(View v) {
			Intent intent = new Intent();
			intent.setType("image/*");
			intent.setAction(Intent.ACTION_GET_CONTENT);
			startActivityForResult(intent, 2);
		}
	}
	
	protected void onActivityResult(int requestCode, int resultCode,
			Intent data) {
		Bitmap bitmap=null;
		OrderAfterSalesActivity.this.popWin.dismiss();
		if(requestCode == 2){//相册
			if (resultCode == RESULT_OK) {
				Uri uri = data.getData();
				String pathOfPicture = getAbsoluteImagePath(uri);
				System.out.println("ok============================="
						+ pathOfPicture);
				Log.e("uri", uri.getHost());
				ContentResolver cr = this.getContentResolver();
				InputStream is = null;
				try {
					is = cr.openInputStream(uri);
				} catch (FileNotFoundException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
				bitmap = BitmapFactory.decodeStream(is);
			}
		}
		if(bitmap!=null){
			pic1.setImageBitmap(bitmap);				
		}
		
	}
	
	protected String getAbsoluteImagePath(Uri uri) {
		String[] proj = { MediaStore.Images.Media.DATA };
		@SuppressWarnings("deprecation")
		Cursor cursor = this.getContentResolver().query(uri, proj, null, null,
				null);

		int column_index = cursor
				.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
		cursor.moveToFirst();

		return cursor.getString(column_index);
	}