android获取相册图片和路径的实现方法

 private ImageView imgShow = null;
 private TextView imgPath = null;
 private final int IMAGE_CODE = 0;
 Uri bitmapUri = null;
 private final String IMAGE_TYPE = "image/*";

private void selectImage() {
  // TODO Auto-generated method stub
  boolean isKitKatO = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
  Intent getAlbum;
  if (isKitKatO) {
   getAlbum = new Intent(Intent.ACTION_OPEN_DOCUMENT);
  } else {
   getAlbum = new Intent(Intent.ACTION_GET_CONTENT);
  }
  getAlbum.setType(IMAGE_TYPE);

  startActivityForResult(getAlbum, IMAGE_CODE);


 }

protected void onActivityResult(int requestCode, int resultCode, Intent data) {

  if (resultCode != RESULT_OK) {

   Log.e("TAG->onresult", "ActivityResult resultCode error");

   return;

  }
  Bitmap bm = null;
  ContentResolver resolver = getContentResolver();
  if (requestCode == IMAGE_CODE) {
   try {

    Uri originalUri = data.getData();  //获得图片的uri
    bitmapUri = originalUri;
    isSelectPic = true;
    bm = MediaStore.Images.Media.getBitmap(resolver, originalUri);
    //显得到bitmap图片
    imgShow.setImageBitmap(bm);
    String[] proj = {MediaStore.Images.Media.DATA};

    Cursor cursor = getContentResolver().query(originalUri, proj, null, null, null);
    if(cursor.moveToFirst()) {
     int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
     String path = cursor.getString(column_index);
     imgPath.setText(path);
    }
    cursor.close();
   } catch (IOException e) {
    Log.e("TAG-->Error", e.toString());
   }

  }

 }

private Bitmap decodeUriAsBitmap(Uri uri) {
  Bitmap bitmap = null;
  try {
   bitmap = BitmapFactory.decodeStream(getContentResolver().openInputStream(uri));
  } catch (FileNotFoundException e) {
   e.printStackTrace();
   return null;
  }
  return bitmap;
 }