我正在尝试从相机捕获图像。我有一个代码，除了 android marshmallow 设备之外的所有设备都可以正常工作。它将结果返回到画廊最近的文件夹。我已经检查了很多次。我不知道这是怎么回事，请帮忙。
public void getImage() {
final PermissionManager permissionManager = new PermissionManager();
if (permissionManager.userHasPermission(Addfood_items.this.getContext())) {
if (Build.VERSION.SDK_INT > M) {
GetImageFromGallery();
} else {
oldGetImageFromGallery();
}
} else {
permissionManager.requestPermission(getActivity());
}
}
public void oldImageCropFunction() {
// Image Crop Code
try {
CropIntent = new Intent("com.android.camera.action.CROP");
CropIntent.setDataAndType(uri, "image/*");
CropIntent.putExtra("crop", "true");
CropIntent.putExtra("outputX", 300);
CropIntent.putExtra("outputY", 300);
CropIntent.putExtra("aspectX", 3);
CropIntent.putExtra("aspectY", 3);
CropIntent.putExtra("scaleUpIfNeeded", true);
CropIntent.putExtra("return-data", true);
startActivityForResult(CropIntent, 1);
} catch (ActivityNotFoundException e) {
}
}
public void ImageCropFunction(File file) {
// Image Crop Code
try {
contentUri = FileProvider.getUriForFile(Addfood_items.this.getContext(),
BuildConfig.APPLICATION_ID + ".provider",
file);
//TODO: Permission..
getActivity().getApplicationContext().grantUriPermission("com.android.camera",
contentUri,
Intent.FLAG_GRANT_WRITE_URI_PERMISSION | Intent.FLAG_GRANT_READ_URI_PERMISSION);
CropIntent = new Intent("com.android.camera.action.CROP");
CropIntent.setDataAndType(contentUri, "image/*");
CropIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
CropIntent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
CropIntent.putExtra("crop", "true");
CropIntent.putExtra("outputX", 300);
CropIntent.putExtra("outputY", 300);
CropIntent.putExtra("aspectX", 3);
CropIntent.putExtra("aspectY", 3);
CropIntent.putExtra("scaleUpIfNeeded", true);
CropIntent.putExtra("return-data", true);
CropIntent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(file));
startActivityForResult(CropIntent, 1);
} catch (ActivityNotFoundException e) {
}
}
public void oldGetImageFromGallery() {
CamIntent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
file = new File(Environment.getExternalStorageDirectory(),
"file" + String.valueOf(System.currentTimeMillis()) + ".jpg");
uri = Uri.fromFile(file);
CamIntent.putExtra(android.provider.MediaStore.EXTRA_OUTPUT, uri);
CamIntent.putExtra("return-data", true);
GalIntent = new Intent(Intent.ACTION_PICK,
android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
final Intent chooserIntent = Intent.createChooser(GalIntent, "Item Image");
chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, new Intent[]{CamIntent});
startActivityForResult(chooserIntent, 2);
}
public void GetImageFromGallery() {
CamIntent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
try {
File photoFile = createImageFileWith();
mCurrentPhotoPath = photoFile.getAbsolutePath();
uri = FileProvider.getUriForFile(Addfood_items.this.getContext(),
BuildConfig.APPLICATION_ID + ".provider",
photoFile);
} catch (IOException e) {
e.printStackTrace();
}
CamIntent.putExtra(android.provider.MediaStore.EXTRA_OUTPUT, uri);
CamIntent.putExtra("return-data", true);
GalIntent = new Intent(Intent.ACTION_PICK,
android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
GalIntent.setType("image/*");
final Intent chooserIntent = Intent.createChooser(GalIntent, "Item Image");
chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, new Intent[]{CamIntent});
startActivityForResult(chooserIntent, 2);
}
public File createImageFileWith() throws IOException {
final String timestamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
final String imageFileName = "JPEG_" + timestamp;
File storageDir = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES), "shahar");
storageDir.mkdirs();
return File.createTempFile(imageFileName, ".png", storageDir);
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == 2 && resultCode == Activity.RESULT_OK) {
if (data != null && data.getData() != null) {
if (Build.VERSION.SDK_INT > Build.VERSION_CODES.M) {
File sourceFile = new File(getRealPathFromURI(data.getData()));
ImageCropFunction(sourceFile);
} else {
uri = data.getData();
oldImageCropFunction();
}
} else {
if (Build.VERSION.SDK_INT > Build.VERSION_CODES.M) {
Uri IMGuri = Uri.parse(mCurrentPhotoPath);
File file = new File(IMGuri.getPath());
ImageCropFunction(file);
} else {
oldImageCropFunction();
}
}
} else if (requestCode == 1) {
if (Build.VERSION.SDK_INT > Build.VERSION_CODES.M) {
if (data.getData() == null) {
imagebitmap = (Bitmap) data.getExtras().get("data");
food_image.setImageBitmap(imagebitmap);
BitMapToString(imagebitmap);
} else {
try {
imagebitmap = MediaStore.Images.Media.getBitmap(getActivity().getContentResolver(), data.getData());
food_image.setImageBitmap(imagebitmap);
BitMapToString(imagebitmap);
} catch (IOException e) {
e.printStackTrace();
}
}
} else {
Bundle bundle = data.getExtras();
imagebitmap = bundle.getParcelable("data");
food_image.setImageBitmap(imagebitmap);
BitMapToString(imagebitmap);
}
}
}
public String getRealPathFromURI(Uri contentURI) {
Cursor cursor = getActivity().getContentResolver().query(contentURI, null, null, null, null);
if (cursor == null) {
// Source is Dropbox or other similar local file path
return contentURI.getPath();
} else {
cursor.moveToFirst();
int idx = cursor.getColumnIndex(MediaStore.Images.ImageColumns.DATA);
return cursor.getString(idx);
}
}
这里是permisiions
公共类 PermissionManager {
public PermissionManager(){}
private static final String[] PERMISSIONS = {Manifest.permission.CAMERA, Manifest.permission.WRITE_EXTERNAL_STORAGE ,
Manifest.permission.READ_EXTERNAL_STORAGE};
private static final int REQUEST_CODE = 101;
public boolean userHasPermission(Context context){
int permissionCheck = ContextCompat.checkSelfPermission(context, PERMISSIONS[0]);
int permissionCheck2 = ContextCompat.checkSelfPermission(context, PERMISSIONS[1]);
int permissionCheck3 = ContextCompat.checkSelfPermission(context, PERMISSIONS[2]);
return permissionCheck == PackageManager.PERMISSION_GRANTED &&
permissionCheck2 == PackageManager.PERMISSION_GRANTED &&
permissionCheck3 == PackageManager.PERMISSION_GRANTED;
}
public void requestPermission(Activity activity){
ActivityCompat.requestPermissions(activity, PERMISSIONS, REQUEST_CODE);
}
}