我不明白为什么我在使用 finish() 时不能使用 finish activity;

I don't why I cannot use finish activity when I use finish();

我不明白为什么我在使用 finish() 时不能使用 finish activity;

当用户单击 post 按钮时,我会将数据发送到数据库并完成 activity。

但是现在不能用了。

这是我的代码

谁知道发生了什么事?

private void uploadpostinfo(){
        String userID = getID;
        //String image = convertToString();
        String imageName = statusEdit.getText().toString();
        String sp2 = sp.getText().toString();
        String tag = tags.getText().toString();

        ApiInterface_Info apiInterface_info = ApiClient.getApiClient().create(ApiInterface_Info.class);
        Call<Img_Pojo_Info> call = apiInterface_info.uploadpostinfo(imageName,userID,sp2,tag);

        progressDialog.show();

        call.enqueue(new Callback<Img_Pojo_Info>() {
            @Override
            public void onResponse(Call<Img_Pojo_Info> call, Response<Img_Pojo_Info> response) {
                progressDialog.dismiss();
                Img_Pojo_Info img_pojo2 = response.body();
                //Toast.makeText(UploadActivity.this, "Post is Successful", Toast.LENGTH_SHORT).show();
                Intent intent = new Intent(UploadActivity.this,MainActivity.class);
                intent.addFlags(Intent.FLAG_ACTIVITY_NO_HISTORY);
                startActivity(intent);
                UploadActivity.this.finish();
            }

            @Override
            public void onFailure(Call<Img_Pojo_Info> call, Throwable t) {
                Log.d("Server Response",""+t.toString());
                progressDialog.dismiss();

            }
        });

    }

厌倦了将 finish() 移出 call.enqueue