Разрешение отклонено при загрузке изображения на сервер

Question

В моем приложении я пытаюсь сделать снимок и отправить его на сервер, закодированный как String, когда я запустил его, я могу сделать снимок, но как только я нажмите кнопку оК, сбои приложения, и я получаю следующее сообщение об ошибке:

E/BitmapFactory: Unable to decode stream: java.io.FileNotFoundException: /storage/emulated/0/Pictures/test123.jpeg: open failed: EACCES (Permission denied) 
E/AndroidRuntime: FATAL EXCEPTION: AsyncTask #1 
        Process: info.androidhive.loginandregistration, PID: 8775 
        java.lang.RuntimeException: An error occurred while executing doInBackground() 
         at android.os.AsyncTask$3.done(AsyncTask.java:309) 
         at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:354) 
         at java.util.concurrent.FutureTask.setException(FutureTask.java:223) 
         at java.util.concurrent.FutureTask.run(FutureTask.java:242) 
         at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:234) 
         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113) 
         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588) 
         at java.lang.Thread.run(Thread.java:818) 
        Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.graphics.Bitmap.compress(android.graphics.Bitmap$CompressFormat, int, java.io.OutputStream)' on a null object reference 
         at info.androidhive.loginandregistration.activity.ImageActivity$Encode_image.doInBackground(ImageActivity.java:86) 
         at info.androidhive.loginandregistration.activity.ImageActivity$Encode_image.doInBackground(ImageActivity.java:79) 
         at android.os.AsyncTask$2.call(AsyncTask.java:295) 
         at java.util.concurrent.FutureTask.run(FutureTask.java:237) 
         at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:234)  
         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)  
         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)  
         at java.lang.Thread.run(Thread.java:818)  

Heres мой код:

<?xml version="1.0" encoding="utf-8"?> 
<manifest xmlns:android="http://schemas.android.com/apk/res/android" 
    package="info.androidhive.loginandregistration" 
    android:versionCode="1" 
    android:versionName="1.0" > 

    <uses-sdk 
     android:minSdkVersion="9" 
     android:targetSdkVersion="21" /> 

    <uses-permission android:name="android.permission.INTERNET" /> 
    <uses-feature android:name="android.hardware.Camera" android:required="true"/> 
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/> 
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" /> 

    <application 
     android:name="info.androidhive.loginandregistration.app.AppController" 
     android:allowBackup="true" 
     android:icon="@drawable/ic_launcher" 
     android:label="@string/app_name" 
     android:theme="@style/AppTheme" > 
     <activity 
      android:name=".activity.LoginActivity" 
      android:label="@string/app_name" 
      android:launchMode="singleTop" 
      android:windowSoftInputMode="adjustPan" > 
      <intent-filter> 
       <action android:name="android.intent.action.MAIN" /> 

       <category android:name="android.intent.category.LAUNCHER" /> 
      </intent-filter> 
     </activity> 
     <activity 
      android:name=".activity.RegisterActivity" 
      android:label="@string/app_name" 
      android:launchMode="singleTop" 
      android:windowSoftInputMode="adjustPan" /> 
     <activity 
      android:name=".activity.MainActivity" 
      android:label="@string/app_name" 
      android:launchMode="singleTop" /> 
     <activity 
      android:name=".activity.test" 
      android:label="@string/app_name" 
      android:launchMode="singleTop" /> 
     <activity 
      android:name=".activity.SearchActivity" 
      android:label="MY SICK APP" 
      android:launchMode="singleTop" /> 
     <activity 
      android:name=".activity.ImageActivity" 
      android:label="MY SICK APP" 
      android:launchMode="singleTop" 
      android:largeHeap="true"/> 
    </application> 

</manifest> 

-

public class ImageActivity extends Activity{ 
    final String URL = "linktophpfile"; 
    private Button button; 
    private String coded_string, name; 
    private Bitmap bitmap; 
    private File file; 
    private Uri uri; 

    public void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.image_main); 

     button = (Button) findViewById(R.id.bt_main); 
     button.setOnClickListener(new View.OnClickListener(){ 
      @Override 
      public void onClick (View view){ 
       Intent i = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); 

       getUri(); 
       i.putExtra(MediaStore.EXTRA_OUTPUT,uri); 
       startActivityForResult(i,5); 
      } 
     }); 

    } 

    public void getUri() { 
     String name = "test123.jpeg"; 
     file = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES)+ file.separator + name); 
     uri = Uri.fromFile(file); 

    } 

    @Override 
    protected void onActivityResult(int requestCode, int resultCode, Intent data) { 
     if(requestCode==5 && resultCode== RESULT_OK){ 
      new Encode_image().execute(); 

     } 
    } 

    private class Encode_image extends AsyncTask<Void,Void,Void> { 

     @Override 
     protected Void doInBackground(Void... voids) { 

      bitmap = BitmapFactory.decodeFile(uri.getPath()); 
      ByteArrayOutputStream stream = new ByteArrayOutputStream(); 
      bitmap.compress(Bitmap.CompressFormat.JPEG,100,stream); 
      bitmap.recycle(); 

      byte[] array = stream.toByteArray(); 
      coded_string = Base64.encodeToString(array,0); 
      return null; 
     } 

     @Override 
     protected void onPostExecute(Void aVoid) { 
      makeRequest(); 
     } 
    } 

    private void makeRequest() { 
     RequestQueue queue = Volley.newRequestQueue(this); 
     StringRequest request = new StringRequest(Request.Method.POST,URL, 
     new Response.Listener<String>() { 
      @Override 
      public void onResponse(String response) { 

      } 
     }, new Response.ErrorListener(){ 
      @Override 
      public void onErrorResponse(VolleyError error){ 

      } 

     }){ 
      @Override 
      protected Map<String, String> getParams() throws AuthFailureError{ 

       HashMap<String, String> map = new HashMap<>(); 
       map.put("coded_String", coded_string); 
       map.put("image_name", name); 
       return map; 
      } 
     }; 
     queue.add(request); 


    } 

} 

php code:

<?php 
header('Content-type : bitmap; charset=utf-8'); 

if(isset($_POST["encoded_string"])){ 

    $encoded_string = $_POST["encoded_string"]; 
    $image_name = $_POST["image_name"]; 

    $decoded_string = base64_decode($encoded_string); 

    $path = 'images/'.$image_name; 

    $file = fopen($path, 'wb'); 

    $is_written = fwrite($file, $decoded_string); 
    fclose($file); 

    if($is_written > 0) { 

     $connection = mysqli_connect('localhost', 'username', 'password','dbname'); 
     $query = "INSERT INTO images(name,path) values('$image_name','$path');"; 

     $result = mysqli_query($connection, $query) ; 

     if($result){ 
      echo "success"; 
     }else{ 
      echo "failed"; 
     } 

     mysqli_close($connection); 
    } 
} 
?> 

Любые идеи о том, что может быть неправильным? благодаря

Answer 1

Убедитесь, что вы

<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" /> 

Заявленными в файле manifest.xml

Answer 2

-проверить состояние разрешения своего приложения в настройках телефона. 2 Проверьте реальный uri этой фотографии в режиме отладки.