Android将图像发送到服务器

-1

我试图将从手机拍摄的图像发送到服务器，当我尝试上传从手机拍摄的照片时，应用程序下方的代码崩溃，我知道代码正常工作，因为我可以上传已下载到手机上的图像。Android将图像发送到服务器

@Override 
protected void onActivityResult(int requestCode, int resultCode, Intent data) { 
    super.onActivityResult(requestCode, resultCode, data); 
    if (requestCode == RESULT_LOAD_IMG && resultCode == RESULT_OK && null != data) { 
     Uri selectedImage = data.getData(); 
     String[] filePathColumn = { MediaStore.Images.Media.DATA }; 
     Cursor cursor = getContentResolver().query(selectedImage,filePathColumn, null, null, null); 
     cursor.moveToFirst(); 
     int columnIndex = cursor.getColumnIndex(filePathColumn[0]); 
     String picturePath = cursor.getString(columnIndex); 
     cursor.close(); 

     String fileNameSegments[] = picturePath.split("/"); 
     fileName = fileNameSegments[fileNameSegments.length - 1]; 

     Bitmap myImg = BitmapFactory.decodeFile(picturePath); 
     ByteArrayOutputStream stream = new ByteArrayOutputStream(); 
     // Must compress the Image to reduce image size to make upload easy 
     myImg.compress(Bitmap.CompressFormat.PNG, 100, stream); 
     byte[] byte_arr = stream.toByteArray(); 
     // Encode Image to String 
     encodedString = Base64.encodeToString(byte_arr, 0); 

    } 
}

，它会将

public void uploadImage() { 

    RequestQueue rq = Volley.newRequestQueue(this); 
    String url = "http://serverwebsite.com/image.php"; 
    Log.d("URL", url); 
    StringRequest stringRequest = new StringRequest(Request.Method.POST, 
      url, new Response.Listener<String>() { 

     @Override 
     public void onResponse(String response) { 
      try { 
       Log.e("RESPONSE", response); 
       JSONObject json = new JSONObject(response); 

       Toast.makeText(getBaseContext(), 
         "The image is upload", Toast.LENGTH_SHORT) 
         .show(); 

      } catch (JSONException e) { 
       Log.d("JSON Exception", e.toString()); 
       Toast.makeText(getBaseContext(), 
         "Error while loadin data!", 
         Toast.LENGTH_LONG).show(); 
      } 

     } 

    }, new Response.ErrorListener() { 
     @Override 
     public void onErrorResponse(VolleyError error) { 
      Log.d("ERROR", "Error [" + error + "]"); 
      Toast.makeText(getBaseContext(), 
        "Cannot connect to server", Toast.LENGTH_LONG) 
        .show(); 
     } 
    }) { 
     @Override 
     protected Map<String, String> getParams() { 
      Map<String, String> params = new HashMap<String, String>(); 

      params.put("image", encodedString); 
      params.put("filename", fileName); 

      return params; 

     } 

    }; 
    rq.add(stringRequest); 
}

来源

2016-02-13 user3541743

的代码，我希望这段代码可以帮助您

public void sendImage(MediaType mediaType) 
{ 
    OkHttpClient client = new OkHttpClient(); 
    RequestBody requestBody = new MultipartBuilder() 
      .type(MultipartBuilder.FORM) 
      .addPart(
        Headers.of("Content-Disposition", 
          "form-data; name=\"file\"; filename=" + '"' 
            + name + '"'), 
        RequestBody.create(mediaType, new File(getFileAdress() 
        ))).build(); 
    final String credential = Credentials.basic(userName, pass); 
    Request request = new Request.Builder() 
      .header("Authorization", credential) 
      .url(WebServiceAddress()) 
      .post(requestBody).build(); 
    try { 
     Response response = client.newCall(request).execute(); 
     int code=response.code(); 
     String out = response.body().string(); 

     if (response.isSuccessful()) { 

     } else { 

    } catch (Exception ex) { 

    } 

}

这是我使用的调整我的照片库地址： https://github.com/alireza-87/ImageHelper

来源

2016-02-13 20:21:47 Midnight

Android将图像发送到服务器

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