我在三星手机的 contenturi 中得到空,同时从相机捕获照片,但其他手机工作正常。
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
try
{
if (requestCode == IMAGE_CAPTURE) {
if (resultCode == RESULT_OK){
Uri contentUri = data.getData();
if(contentUri!=null)
{
String[] proj = { MediaStore.Images.Media.DATA };
Cursor cursor = managedQuery(contentUri, proj, null, null, null);
int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
cursor.moveToFirst();
imageUri = Uri.parse(cursor.getString(column_index));
}
tempBitmap = (Bitmap) data.getExtras().get("data");
mainImageView.setImageBitmap(tempBitmap);
isCaptureFromCamera = true;
}
}
上面的代码适用于某些移动设备,但在我的情况下不适用于三星移动设备,因此我为所有设备实现了通用逻辑。
从相机捕获照片后,我使用 Cursor 实现一个逻辑并迭代光标以获取上次从相机捕获的照片的路径。以下代码在任何设备上都可以正常工作。
Cursor cursor = getContentResolver().query(Media.EXTERNAL_CONTENT_URI, new String[]{Media.DATA, Media.DATE_ADDED, MediaStore.Images.ImageColumns.ORIENTATION}, Media.DATE_ADDED, null, "date_added ASC");
if(cursor != null && cursor.moveToFirst())
{
do {
uri = Uri.parse(cursor.getString(cursor.getColumnIndex(Media.DATA)));
photoPath = uri.toString();
}while(cursor.moveToNext());
cursor.close();
}
嗨,
我也面临着这个问题,就像我正在检查MOTO G上的应用程序一样,它不起作用,但在三星设备上它的工作 所以我做 下面的编码请检查:-
UriselectedImageUri = data.getData();
try {
selectedImagePath = getPathBelowOs(selectedImageUri);
} catch (Exception e) {
e.printStackTrace();
}
if (selectedImagePath == null) {
try {
selectedImagePath = getPathUpperOs(selectedImageUri);
} catch (Exception e) {
e.printStackTrace();
}
}
public String getPathBelowOs(Uri uri) {
String[] projection = { MediaStore.Images.Media.DATA };
Cursor cursor = managedQuery(uri, projection, null, null, null);
int column_index = cursor
.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
cursor.moveToFirst();
return cursor.getString(column_index);
}
/**
* Getting image from Uri
*
* @param contentUri
* @return
*/
public String getPathUpperOs(Uri contentUri) {// Will return "image:x*"
String wholeID = DocumentsContract.getDocumentId(contentUri);
// Split at colon, use second item in the array
String id = wholeID.split(":")[1];
String[] column = { MediaStore.Images.Media.DATA };
// where id is equal to
String sel = MediaStore.Images.Media._ID + "=?";
Cursor cursor = getContentResolver().query(
MediaStore.Images.Media.EXTERNAL_CONTENT_URI, column, sel,
new String[] { id }, null);
String filePath = "";
int columnIndex = cursor.getColumnIndex(column[0]);
if (cursor.moveToFirst()) {
filePath = cursor.getString(columnIndex);
}
cursor.close();
return filePath;
}