我希望使用改進技術同時發送此Postdata和圖像文件。如何使用改進功能同時發送圖像和文本
POSTDATA和點
public class PostData implements Serializable {
@Expose
private String text;
@Expose
private Point point;
}
public class Point implements Serializable {
@Expose
private double longitude;
@Expose
private double latitude;
}
PostApiService
public interface PostApiService {
@Multipart
@POST("posts/")
Call<ResponseBody> uploadFile (@Part MultipartBody.Part part, @Body PostData postData);
}
我得到的圖像URI出這些代碼,我將使用它。它用作returnUri。 你可以考慮這個。
CODE:
view.findViewById(R.id.btn_post).setOnClickListener(new View.OnClickListener() {
@Override
public void PostImageAndData(View view) {
Bitmap bitmap = null;
try {
bitmap = getBitmapFromUri(returnUri); #this method is to make Bitmap from Uri
} catch (IOException e) {
e.printStackTrace();
}
File imageFile = null;
try {
imageFile = createFileFromBitmap(bitmap); #this method is to make File from Bitmap
} catch (IOException e) {
e.printStackTrace();
}
OkHttpClient client = new OkHttpClient();
OkHttpClient.Builder builder = new OkHttpClient.Builder();
client = builder.build();
Retrofit retrofit = new Retrofit.Builder()
.client(client)
.addConverterFactory(GsonConverterFactory.create())
.baseUrl(Constants.HTTP.BASE_URL)
.build();
PostApiService postApiService = retrofit.create(PostApiService.class);
RequestBody requestFile =
RequestBody.create(MediaType.parse("multipart/form-data"), imageFile);
MultipartBody.Part body =
MultipartBody.Part.createFormData("image", makeImageFileName(), requestFile); #this method(makeimageFileName()) is for custom filename
Point mpoint = new Point(13, 15);
PostData postData = new PostData("hello", mpoint);
Call<ResponseBody> call = postApiService.uploadFile(body, postData);
call.enqueue(new Callback<ResponseBody>() {
@Override
public void onResponse(Call<ResponseBody> call, Response<ResponseBody> response) {
Toast.makeText(getContext(), "success?", Toast.LENGTH_LONG).show();
}
@Override
public void onFailure(Call<ResponseBody> call, Throwable t) {
}
});
}
});
如果我在PostApiService使用@Body PostData postData
,錯誤是java.lang.IllegalArgumentException: @Body parameters cannot be used with form or multi-part encoding. (parameter #2)
,如果我在PostApiService使用@Part PostData postData
,錯誤是java.lang.IllegalArgumentException: @Part annotation must supply a name or use MultipartBody.Part parameter type. (parameter #2)
所以,我應該怎麼辦?
請幫助我嗎?
對我而言,retrofit2比我預測的要難得多。謝謝。 Saveen –
是的,我也是昨天:)別擔心 – Saveen