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Android Dropbox API v1上傳文件並獲取此文件的共享鏈接

2016-12-05 109 views
0

我上傳了文件，當我嘗試獲取共享鏈接時，它會給出NullPointerException。使用此代碼，它的工作Android Dropbox API v1上傳文件並獲取此文件的共享鏈接

12-05 12:09:09.207 7335-7502/com.trucker.gtd.satyaki.dropboxintegrationapiv1 E/DbExampleLog: *****/1480919937073.jpg The uploaded file's rev is: 2ef4a7ca38e 
12-05 12:09:10.966 7335-7502/com.trucker.gtd.satyaki.dropboxintegrationapiv1 E/DbExampleLog: *****[email protected] The uploaded file's rev is: 2ef4a7ca38e 
12-05 12:09:10.966 7335-7502/com.trucker.gtd.satyaki.dropboxintegrationapiv1 E/Null error URL*****: https://db.tt/ru6e39XK0 
12-05 12:09:12.457 7335-7502/com.trucker.gtd.satyaki.dropboxintegrationapiv1 E/Null error URL*****: null 
12-05 12:09:13.520 7335-7502/com.trucker.gtd.satyaki.dropboxintegrationapiv1 E/AndroidRuntime: FATAL EXCEPTION: AsyncTask #1 
                           Process: com.trucker.gtd.satyaki.dropboxintegrationapiv1, PID: 7335 
                           java.lang.RuntimeException: An error occurred while executing doInBackground() 
                            at android.os.AsyncTask$3.done(AsyncTask.java:318) 
                            at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:354) 
                            at java.util.concurrent.FutureTask.setException(FutureTask.java:223) 
                            at java.util.concurrent.FutureTask.run(FutureTask.java:242) 
                            at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:243) 
                            at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133) 
                            at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607) 
                            at java.lang.Thread.run(Thread.java:761) 
                           Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.String.toString()' on a null object reference 
                            at com.trucker.gtd.satyaki.dropboxintegrationapiv1.UploadFile.doInBackground(UploadFile.java:147) 
                            at com.trucker.gtd.satyaki.dropboxintegrationapiv1.UploadFile.doInBackground(UploadFile.java:63) 
                            at android.os.AsyncTask$2.call(AsyncTask.java:304) 
                            at java.util.concurrent.FutureTask.run(FutureTask.java:237) 
                            at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:243)  
                            at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133)  
                            at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607)  
                            at java.lang.Thread.run(Thread.java:761)  
12-05 12:09:13.645 1248-1248/? E/EGL_emulation: tid 1248: eglCreateSyncKHR(1641): error 0x3004 (EGL_BAD_ATTRIBUTE) 
12-05 12:09:13.796 2071-2205/com.android.launcher3 E/EGL_emulation: tid 2205: eglSurfaceAttrib(1146): error 0x3009 (EGL_BAD_MATCH) 
12-05 12:09:14.006 1530-1640/system_process E/EGL_emulation: tid 1640: eglSurfaceAttrib(1146): error 0x3009 (EGL_BAD_MATCH) 
12-05 12:09:14.304 7335-7335/com.trucker.gtd.satyaki.dropboxintegrationapiv1 E/WindowManager: android.view.WindowLeaked: Activity com.trucker.gtd.satyaki.dropboxintegrationapiv1.Main has leaked window [email protected][] that was originally added here 
                            at android.view.ViewRootImpl.<init>(ViewRootImpl.java:417) 
                            at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:331) 
                            at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:93) 
                            at android.app.Dialog.show(Dialog.java:316) 
                            at android.app.AlertDialog$Builder.show(AlertDialog.java:1112) 
                            at com.dropbox.client2.android.AuthActivity.checkAppBeforeAuth(AuthActivity.java:284) 
                            at com.dropbox.client2.android.AndroidAuthSession.startAuthentication(AndroidAuthSession.java:213) 
                            at com.trucker.gtd.satyaki.dropboxintegrationapiv1.Main.onActivityResult(Main.java:132) 
                            at android.app.Activity.dispatchActivityResult(Activity.java:6915) 
                            at android.app.ActivityThread.deliverResults(ActivityThread.java:4049) 
                            at android.app.ActivityThread.handleSendResult(ActivityThread.java:4096) 
                            at android.app.ActivityThread.-wrap20(ActivityThread.java) 
                            at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1516) 
                            at android.os.Handler.dispatchMessage(Handler.java:102) 
                            at android.os.Looper.loop(Looper.java:154) 
                            at android.app.ActivityThread.main(ActivityThread.java:6077) 
                            at java.lang.reflect.Method.invoke(Native Method) 
                            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865) 
                            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755) 
12-05 12:09:14.310 7335-7335/com.trucker.gtd.satyaki.dropboxintegrationapiv1 E/WindowManager: android.view.WindowLeaked: Activity com.trucker.gtd.satyaki.dropboxintegrationapiv1.Main has leaked window [email protected][] that was originally added here 
                            at android.view.ViewRootImpl.<init>(ViewRootImpl.java:417) 
                            at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:331) 
                            at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:93) 
                            at android.app.Dialog.show(Dialog.java:316) 
                            at com.trucker.gtd.satyaki.dropboxintegrationapiv1.UploadFile.<init>(UploadFile.java:98) 
                            at com.trucker.gtd.satyaki.dropboxintegrationapiv1.Main.setLoggedIn(Main.java:144) 
                            at com.trucker.gtd.satyaki.dropboxintegrationapiv1.Main.onResume(Main.java:168) 
                            at android.app.Instrumentation.callActivityOnResume(Instrumentation.java:1269) 
                            at android.app.Activity.performResume(Activity.java:6766) 
                            at android.app.ActivityThread.performResumeActivity(ActivityThread.java:3377) 
                            at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:3440) 
                            at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1510) 
                            at android.os.Handler.dispatchMessage(Handler.java:102) 
                            at android.os.Looper.loop(Looper.java:154) 
                            at android.app.ActivityThread.main(ActivityThread.java:6077) 
                            at java.lang.reflect.Method.invoke(Native Method) 
                            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865) 
                            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)

主要是在這個特殊的線 -

getShareURL(shareLink.url)

爲什麼這個錯誤發生，請給我建議，但昨天 -

FileInputStream fis = new FileInputStream(mFile); 
     String path = mPath + mFile.getName(); 
     DropboxAPI.Entry response = mApi.putFile(path, fis, 
       mFile.length(), null, new ProgressListener() { 
        @Override 
        public long progressInterval() { 
         // Update the progress bar every half-second or so 
         return 500; 
        } 

        @Override 
        public void onProgress(long bytes, long total) { 
         publishProgress(bytes); 
        } 
       }); 
     Log.i("DbExampleLog", "The uploaded file's rev is: " + response.rev); 

     if (response != null) { 
      mErrorMsg=response.path; 
      Log.e("DbExampleLog", "*****"+response.path+" The uploaded file's rev is: " + response.rev); 
      DropboxAPI.DropboxLink shareLink = mApi.share(response.path); 
      Log.e("DbExampleLog", "*****"+shareLink+" The uploaded file's rev is: " + response.rev); 
      if(shareLink!=null) { 
       if(shareLink.url!=null) { 
        Log.e("Null error URL*****",""+shareLink.url); 
        Log.e("Null error URL*****",""+getShareURL(shareLink.url)); 
        String shareAddress = getShareURL(shareLink.url).toString(); 
        Log.e("DbExampleLog", "URL -" + shareAddress + "*****" + response.path + " The uploaded file's rev is: " + response.rev); 
       } 
       else 
        Log.e("Null error URL*****",""+shareLink.url); 
      } 
      else{ 
       Log.e("Null error*****",""+shareLink); 
      } 
      return true; 
     }

它返回等。提問者格雷格

String getShareURL(String strURL) { 
    URLConnection conn = null; 
    String redirectedUrl = null; 
    try { 
     URL inputURL = new URL(strURL); 
     conn = inputURL.openConnection(); 
     conn.connect(); 

     InputStream is = conn.getInputStream(); 
     System.out.println("Redirected URL: " + conn.getURL()); 
     Log.e("Get Redirected URL",""+conn.getURL()); 
     redirectedUrl = conn.getURL().toString(); 
     is.close(); 

    } catch (MalformedURLException e) { 
     Log.e("TAG", "Please input a valid URL"); 
    } catch (IOException ioe) { 
     Log.e("TAG", "Can not connect to the URL"); 
    } 

    return redirectedUrl; 
}

更新代碼從Share file in Dropbox

來源

2016-12-05 Satyaki Mukherjee

+0

你可以分享'getShareURL'的代碼嗎？ – Greg

+0

@Gerg我已經更新了我的代碼，請看看這個。 –

+1

我認爲這與昨天Dropbox的一個問題有關。現在應該解決。請嘗試請求一個新的鏈接。 – Greg

回答

0

採取此代碼，我認爲你的問題已經有答案here。檢查它是否有效！

來源

2016-12-05 06:58:57 Shubham

+0

我已經看到的答案和我的代碼比他的代碼更簡單。如果你看到我的日誌，那麼你可以很容易地理解實際回報。如果你知道這個，請讓我知道。 –

+0

如果這個相同的代碼昨天工作，那麼它可能會移動它所指向的鏈接，或者它可能是一個共享/公共目錄，你可能已經私有。同時調試您的getShareURL（）方法，以便您可以明確爲什麼這個錯誤即將到來。 – Shubham

+0

不，這不是我最終的問題，我不知道爲什麼會出現這種問題。 Dropbox在調用共享文件時返回這種https://db.tt/ru6e39XK0 url。 –

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