无法替换图像视图，用于来自相机或画廊的图像（它不起作用）

Question

我无法将图片替换为画廊或相机中的其他图片，当我显示我的画廊中的图片并选择了一张图片时，这不会替换该图片。此外，当我打算用相机拍摄图像时，它不会显示，我也无法拍照。我想替换片段中的图像，这是片段的代码。对于相机，起初我认为这可能是因为我没有正确添加相机的清单，但后来我看到了这个，我认为这是正确的。

public class SettingsFragment extends Fragment {
    private ImageView ivImage;
    private String userChoosenTask;
    private int REQUEST_CAMERA = 0, SELECT_FILE = 1;
    private Button btnSelect;
    public SettingsFragment() {
    }
    private void cameraIntent(){
        Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
        startActivityForResult(intent, REQUEST_CAMERA);
    }
    private void galleryIntent(){
        Intent intent = new Intent();
        intent.setType("image/*");
        intent.setAction(Intent.ACTION_GET_CONTENT);
        startActivityForResult(Intent.createChooser(intent, "Selecciona una imagen"), SELECT_FILE);
    }
    @SuppressWarnings("deprecation")
    public void onSelectFromGalleryResult(Intent data){
        Bitmap bm = null;
        if(data != null){
            try{
                bm = MediaStore.Images.Media.getBitmap(getActivity().getApplicationContext().getContentResolver(),data.getData());
            }catch(IOException e){
                e.printStackTrace();
            }
        }
        ivImage.setImageBitmap(bm);
    }

    private void onCaptureImageResult(Intent data){
        Bitmap thumbnail = (Bitmap) data.getExtras().get("data");
        ByteArrayOutputStream bytes = new ByteArrayOutputStream();
        thumbnail.compress(Bitmap.CompressFormat.JPEG,90, bytes);
        File destination = new File(Environment.getExternalStorageDirectory(),System.currentTimeMillis()+".jpg");
        FileOutputStream fo;
        try{
            destination.createNewFile();
            fo = new FileOutputStream(destination);
            fo.write(bytes.toByteArray());
            fo.close();
        }catch (FileNotFoundException e){
            e.printStackTrace();
        }catch (IOException e){
            e.printStackTrace();
        }
        ivImage.setImageBitmap(thumbnail);
    }private void SelectImage(){
        final CharSequence[] items = {"Realizar foto", "Selecciona una imagen", "Cancelar"};
        AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
        builder.setTitle("Añadir foto");
        builder.setItems(items, new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int item) {
                boolean result = Utility.checkPermission(getContext());
                if(items[item].equals("Realizar una foto")){
                    userChoosenTask = "Realizar una foto";
                    if(result)
                        cameraIntent();
                }else if(items[item].equals("Selecciona una imagen")){
                    userChoosenTask = "Selecciona una imagen";
                    if(result){
                        galleryIntent();
                    }
                }else if(items[item].equals("Cancelar")){
                    dialog.dismiss();
                }
            }
        });
        builder.show();
    }
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        final View rootView = inflater.inflate(R.layout.fragment_perfil, container, false);
        final Fragment settings = new Sett();
        final Fragment datospersonales = new datospersonales();
        btnSelect = (Button) rootView.findViewById(R.id.btnSelectPhoto);


        final FragmentManager fragmentManager = getFragmentManager();
        final ImageButton optsel = (ImageButton) rootView.findViewById(R.id.optsel);
        final Button alerta = (Button) rootView.findViewById(R.id.alerta);

        btnSelect.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                SelectImage();
            }
        });


        optsel.setOnClickListener(new View.OnClickListener(){
            @Override
            public void onClick(View v) {
                FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
                fragmentTransaction.replace(R.id.fragmentContainer, settings).commit();
            }
        });
        alerta.setOnClickListener(new View.OnClickListener(){
            @Override
            public void onClick(View v) {
                Notification();
            }
        });
        ivImage = (ImageView) rootView.findViewById(R.id.ivImage);
        return rootView;
    }
    public void Notification(){
        NotificationCompat.Builder notificationBuilder = (NotificationCompat.Builder) new NotificationCompat.Builder(getContext())
                .setDefaults(NotificationCompat.DEFAULT_ALL)
                .setSmallIcon(R.mipmap.ic_launcher)
                .setLargeIcon(BitmapFactory.decodeResource(getResources(),R.mipmap.ic_launcher))
                .setContentTitle("C4Growth")
                .setContentText("Alerta bullying activada");
        NotificationManager notificationManager = (NotificationManager) getContext().getSystemService(Context.NOTIFICATION_SERVICE);
        notificationManager.notify(1,notificationBuilder.build());
    }


    public void onRequestPermissionResult(int requestCode, String[] permissions, int[] grantResults){
        switch (requestCode){
            case Utility.MY_PERMISSIONS_REQUEST_READ_EXTERNAL_STORAGE:
                if(grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED){
                    if(userChoosenTask.equals("Realizar una foto")){
                        cameraIntent();
                    }else if(userChoosenTask.equals("Selecciona una imagen")){
                        galleryIntent();
                    }
                }else{

                }
                break;
        }
    }
    public void onActivityResult(int requestCode, int resultCode, Intent data){
        super.onActivityResult(requestCode,resultCode,data);
        if(requestCode == Activity.RESULT_OK){
            if(requestCode == SELECT_FILE){
                onSelectFromGalleryResult(data);
            }else if(requestCode == REQUEST_CAMERA){
                onCaptureImageResult(data);
            }
        }
    }

}

Answer 1

我一直在查看您的代码！在这里你可以用它做什么！把事情做好！

第 1 步： 覆盖 onActvityCreated() 的方法并在那里使用点击侦听器并使用父活动的上下文在片段中获取其 onActivityResult 方法，这样就可以了！

检查这个Stack thread 也有很好的解决方案，我想告诉它！

第 2 步：

更多信息请查看此博客，我发现它有点帮助 blog link 归功于“Rex St. John”

注意 ：试试这个，如果这不起作用，请进入 cmets，我会尝试与您一起解决 ^_^