Main

public class MainActivity extends BaseActivity<MainPresenter> implements MainContract.View {

    @BindView(R.id.btn)
    Button btn;
    @BindView(R.id.tv)
    TextView tv;

    @BindView(R.id.btn02)
    Button btn02;
    private TimePickerView pickerView;
    private PopupWindow popupWindow;
    private TextView camera;
    private TextView pick;
    private TextView cancel;


/**********************************************************************************

    private String path = Environment.getExternalStorageDirectory() + "/photo.png";

    @Override
    public void setupActivityComponent(@NonNull AppComponent appComponent) {
        DaggerMainComponent //如找不到該類,請編譯一下專案
                .builder()
                .appComponent(appComponent)
                .mainModule(new MainModule(this))
                .build()
                .inject(this);
    }

    @Override
    public int initView(@Nullable Bundle savedInstanceState) {
        return R.layout.activity_main; //如果你不需要框架幫你設定 setContentView(id) 需要自行設定,請返回 0
    }

    @Override
    public void initData(@Nullable Bundle savedInstanceState) {
        //動態新增許可權
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            requestPermissions(new String[]{Manifest.permission.CAMERA}, 0);
        }
        pickerView = new TimePickerBuilder(this, new OnTimeSelectListener() {
            @Override
            public void onTimeSelect(Date date, View v) {
                tv.setText(getTime(date));
            }
        }).build();
        View inflate = View.inflate(this, R.layout.layout_pop, null);
        popupWindow = new PopupWindow(inflate, ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
        popupWindow.setOutsideTouchable(true);

        camera = inflate.findViewById(R.id.tv_camera_popup);
        pick = inflate.findViewById(R.id.tv_pick_popup);
        cancel = inflate.findViewById(R.id.tv_cancel_popup);

        //相機
        camera.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                //開啟相機
                Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
                //將圖片放到SD card
                intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(path)));
                startActivityForResult(intent, 888);
                popupWindow.dismiss();
            }
        });
        //相簿
        pick.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                //開啟相簿
                Intent intent = new Intent(Intent.ACTION_PICK);
                //設定圖片格式
                intent.setType("image/*");
                startActivityForResult(intent, 999);
                popupWindow.dismiss();
            }
        });
        //取消
        cancel.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                popupWindow.dismiss();
            }
        });
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);

        if (requestCode == 999 && resultCode == MainActivity.RESULT_OK) {
            Uri uri = data.getData();
            crop(uri);//這個方法在下面
        }
         else if (requestCode == 888 && resultCode == MainActivity.RESULT_OK) {
            Uri uri = Uri.fromFile(new File(path));
            crop(uri);
        } 
         else if (requestCode == 1000 && resultCode == MainActivity.RESULT_OK) {
            //傳到自己的控制元件上
            //Bitmap bitmap = data.getParcelableExtra("data");
            //imageView.setImageBitmap(bitmap);
              //上傳到網路
             Uri uri = Uri.fromFile(new File(path));

           // ChangeFileFormat 是一個類 看另一篇部落格 自己去複製吧 聯絡我也可以 我給你發文件

            File file1 = ChangeFileFormat.getFileByUri(uri, this);

            //RequestBody封裝了檔案和檔案的型別
        RequestBody requestBody = RequestBody.create(MediaType.parse("image/*"), file1);
          
            // MultipartBody.Part封裝了接受的key和檔名字和RequestBody
            MultipartBody.Part part = MultipartBody.Part.createFormData("file",file1.getName(), requestBody);

            //調P層
             mPresenter.getData(part);
        }
    }

    private void crop(Uri uri) {
        Intent intent = new Intent("com.android.camera.action.CROP");
        intent.setDataAndType(uri, "image/*");
        intent.putExtra("crop", true);
        intent.putExtra("aspectX", 1);
        intent.putExtra("aspectY", 1);
        intent.putExtra("outputX", 300);
        intent.putExtra("outputY", 300);
        intent.putExtra("return-data", true);
        startActivityForResult(intent, 1000);
    }

    @OnClick({R.id.btn, R.id.btn02})
    public void onViewClicked(View view) {
        switch (view.getId()) {
            
            case R.id.btn02:

                popupWindow.showAtLocation(btn, Gravity.BOTTOM, 0, 0);
                break;
        }
    }

    @Override
    public void responseMsg(bean bean) {
        String msg = bean.getMsg();
        Toast.makeText(this, msg, Toast.LENGTH_SHORT).show();

    }
}
 

@Multipart
@POST("file/upload")
Observable<bean> uploadPhoto(@Query("uid") String uid, @Part MultipartBody.Part part)

P層

 public void getData(MultipartBody.Part part){
        Observable<bean> observable = mModel.requestData(part);


                observable.subscribeOn(Schedulers.io())
                        .observeOn(AndroidSchedulers.mainThread())
                        .subscribe(new Consumer<bean>() {
                            @Override
                            public void accept(bean bean) throws Exception {
                                mRootView.responseMsg(bean);
                            }
                        });
            }
 

m層

 InfoService infoService = mRepositoryManager.obtainRetrofitService(InfoService.class);
        Observable<bean> beanObservable = infoService.uploadPhoto("20473", data);
        return beanObservable;