java.lang.SecurityException：權限拒絕：新版本4.3中的意圖

Question

當我從庫中選擇視頻時，它會給出安全類型異常。但相同的代碼在所有版本的Android中工作，只有4.3。我搜索了同樣的答案，建議在活動部分使用android:exported="true"。但仍然得到同樣的例外。

我的代碼是

@Override 
    public void onClick(View v) { 

     if(btngetvideo==v) 
     { 
      Intent i = new Intent(Intent.ACTION_PICK, android.provider.MediaStore.Video.Media.EXTERNAL_CONTENT_URI); 
      startActivityForResult(i, 1); //<-- Here m getting exception 
     } 

    } 


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

       Log.v(TAG + ".onActivityResult", "onActivityResult call"); 
       try { 

        if (resultData != null) { 

         String[] projection = { MediaStore.Video.Media.DATA }; 
         @SuppressWarnings("deprecation") 
         Cursor cursor = managedQuery(MediaStore.Video.Media.EXTERNAL_CONTENT_URI, 
           projection, null, null, null); 
         int column_index_data = cursor.getColumnIndexOrThrow(MediaStore.Video.Media.DATA); 
         cursor.moveToLast(); 
         videopath= cursor.getString(column_index_data); 
         messageText.setText("Uploading file path :"+ videopath); 
         dialog = ProgressDialog.show(MainActivity.this, "", "Uploading file...", true); 

         new Thread(new Runnable() { 
          public void run() { 
           runOnUiThread(new Runnable() { 
             public void run() { 
              messageText.setText("uploading started....."); 
             } 
            });      

           uploadFile(videopath); 
           //uploadFile(path); 

          } 
          }).start(); 
        } 
       } catch (Exception ex) { 
        ex.printStackTrace(); 
       } 
      } 

和清單代碼：

<?xml version="1.0" encoding="utf-8"?> 
<manifest xmlns:android="http://schemas.android.com/apk/res/android" 
    package="com.example.test333" 
    android:versionCode="1" 
    android:versionName="1.0" > 

    < <uses-sdk 
     android:minSdkVersion="8" 
     android:targetSdkVersion="18" /> 
    <uses-permission android:name="android.permission.INTERNET"/> 
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/> 
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/> 
    <uses-permission android:name="android.permission.READ_USER_DICTIONARY"/> 
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/> 



    <application 
     android:allowBackup="true" 
     android:icon="@drawable/ic_launcher" 
     android:label="@string/app_name" 
     android:theme="@style/AppTheme" > 
     <activity 
      android:name=".MainActivity" 
      android:label="@string/app_name" 
      android:exported="true"> 
      <intent-filter> 
       <action android:name="android.intent.action.MAIN" /> 

       <category android:name="android.intent.category.LAUNCHER" /> 
      </intent-filter> 
     </activity> 
    </application> 

</manifest> 

logcat的錯誤

10-04 08:21:42.549: E/AndroidRuntime(874): FATAL EXCEPTION: main 
10-04 08:21:42.549: E/AndroidRuntime(874): java.lang.SecurityException: Permission Denial: starting Intent { act=android.intent.action.PICK dat=content://media/external/video/media cmp=com.android.music/.VideoBrowserActivity } from ProcessRecord{41c469c8 874:com.example.test333/u0a10039} (pid=874, uid=10039) not exported from uid 10019 
10-04 08:21:42.549: 

E/AndroidRuntime(874): at android.os.Parcel.readException(Parcel.java:1431) 
10-04 08:21:42.549: E/AndroidRuntime(874): at android.os.Parcel.readException(Parcel.java:1385) 
10-04 08:21:42.549: 

E/AndroidRuntime(874):  at android.app.ActivityManagerProxy.startActivity(ActivityManagerNative.java:1947) 
10-04 08:21:42.549: 

E/AndroidRuntime(874):  at android.app.Instrumentation.execStartActivity(Instrumentation.java:1419) 
10-04 08:21:42.549: 

E/AndroidRuntime(874): at android.app.Activity.startActivityForResult(Activity.java:3390) 
10-04 08:21:42.549: 

E/AndroidRuntime(874): at android.app.Activity.startActivityForResult(Activity.java:3351) 
10-04 08:21:42.549: E/AndroidRuntime(874): at com.example.test333.MainActivity.onClick(MainActivity.java:48) 
10-04 08:21:42.549: 

E/AndroidRuntime(874): at android.view.View.performClick(View.java:4240) 
10-04 08:21:42.549: E/AndroidRuntime(874): at android.view.View$PerformClick.run(View.java:17721) 
10-04 08:21:42.549: 

E/AndroidRuntime(874):  at android.os.Handler.handleCallback(Handler.java:730) 
10-04 08:21:42.549: 


E/AndroidRuntime(874): at android.os.Handler.dispatchMessage(Handler.java:92) 
10-04 08:21:42.549: 

E/AndroidRuntime(874): at android.os.Looper.loop(Looper.java:137) 
10-04 08:21:42.549: E/AndroidRuntime(874): at android.app.ActivityThread.main(ActivityThread.java:5103) 
10-04 08:21:42.549: 

E/AndroidRuntime(874): at java.lang.reflect.Method.invokeNative(Native Method) 
10-04 08:21:42.549: 

E/AndroidRuntime(874): at java.lang.reflect.Method.invoke(Method.java:525) 
10-04 08:21:42.549: 

E/AndroidRuntime(874): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737) 
10-04 08:21:42.549: 

E/AndroidRuntime(874): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553) 
10-04 08:21:42.549: E/AndroidRuntime(874): at dalvik.system.NativeStart.main(Native Method) 

幫我理清感謝

Answer 1

的錯誤指示從com.android.music未導出。 That is indeed the case in the source code，所以這似乎是Android中的一個錯誤。我已經提交了關於它的an issue。