i am trying to upload selected image to dropbox from gallery.I am being stuck up from days because i am getting unable to resume Runtime Exception My onActivityResult() is \[code\] if(requestCode == PIC_UPLOAD) { System.out.println("Reahced 1"); Uri selectedImage = data.getData(); String[] filePathColumn ={MediaStore.Images.Media.DATA}; Cursor cursor = getContentResolver().query(selectedImage, filePathColumn, null, null, null); cursor.moveToFirst(); System.out.println("Reahced 2"); int columnIndex = cursor.getColumnIndex(filePathColumn[0]); String filePath = cursor.getString(columnIndex); cursor.close(); Uri imageUri=data.getData(); List<NameValuePair> params = new ArrayList<NameValuePair>(1); params.add(new BasicNameValuePair("image", imageUri.getPath())); System.out.println("Reahced 3"); /* String outPath = imageUri.toString(); File outFile = new File(outPath); FileInputStream fis = new FileInputStream(outFile); mDBApi.putFileOverwriteRequest("/Pic1", fis, outFile.length(),null); */ Uri photoUri = data.getData(); String[] proj = {MediaStore.Images.Media.DATA }; Cursor actualimagecursor = managedQuery(photoUri, proj,null, null, null); int actual_image_column_index = actualimagecursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA); actualimagecursor.moveToFirst(); String img_path =actualimagecursor.getString(actual_image_column_index); System.out.println("Image location: " + img_path); System.out.println("Reached 1"); uploadDropbox(img_path);}\[/code\]And uploadDropbox body is:\[code\] private void uploadDropbox(String URL) { // TODO Auto-generated method stub AppKeyPair appKeys = new AppKeyPair(APP_KEY, APP_SECRET); AndroidAuthSession session = new AndroidAuthSession(appKeys, ACCESS_TYPE); mDBApi = new DropboxAPI<AndroidAuthSession>(session); System.out.println(URL); System.out.println("Reahced 4"); mDBApi.getSession().startAuthentication(MyCamActivity.this); System.out.println("Reahced 5");// AccessTokenPair access = getStoredKeys();// mDBApi.getSession().setAccessTokenPair(access); FileInputStream inputStream = null; try { File file = new File(URL.toString()); inputStream = new FileInputStream(file); com.dropbox.client2.DropboxAPI.Entry newEntry = mDBApi.putFile("/testing.txt", inputStream, file.length(), null, null); Log.i("DbExampleLog", "The uploaded file's rev is: " + newEntry.rev); } catch (DropboxUnlinkedException e) { // User has unlinked, ask them to link again here. Log.e("DbExampleLog", "User has unlinked."); } catch (DropboxException e) { Log.e("DbExampleLog", "Something went wrong while uploading."); } catch (FileNotFoundException e) { Log.e("DbExampleLog", "File not found."); } finally { if (inputStream != null) { try { inputStream.close(); } catch (IOException e) {} } } }\[/code\]onResume method body:\[code\]protected void onResume() { super.onResume(); if (mDBApi.getSession().authenticationSuccessful()) { try { // MANDATORY call to complete auth. // Sets the access token on the session mDBApi.getSession().finishAuthentication(); AccessTokenPair tokens = mDBApi.getSession().getAccessTokenPair(); // Provide your own storeKeys to persist the access token pair // A typical way to store tokens is using SharedPreferences storeKeys(tokens.key, tokens.secret); } catch (IllegalStateException e) { Log.i("DbAuthLog", "Error authenticating", e); } }}\[/code\]private AccessTokenPair getStoredKeys() { // TODO Auto-generated method stub\[code\]return mDBApi.getSession().getAccessTokenPair();\[/code\]}private void storeKeys(String key, String secret) { // TODO Auto-generated method stub\[code\] // Save the access key for later SharedPreferences prefs = getSharedPreferences(ACCOUNT_PREFS_NAME, 0); Editor edit = prefs.edit(); edit.putString(ACCESS_KEY_NAME, key); edit.putString(ACCESS_SECRET_NAME, secret); edit.commit();}\[/code\]AndroidManifest.xml\[code\] <activity android:name="com.dropbox.client2.android.AuthActivity" android:launchMode="singleTask" android:configChanges="orientation|keyboard"> <intent-filter> <!-- Change this to be db- followed by your app key --> <data android:scheme="db-MyKey" /> <action android:name="android.intent.action.VIEW" /> <category android:name="android.intent.category.BROWSABLE"/> <category android:name="android.intent.category.DEFAULT" /> </intent-filter></activity> <activity android:name=".MyCamActivity" android:label="@string/app_name" android:screenOrientation="nosensor" android:configChanges="keyboardHidden|orientation" android:uiOptions="splitActionBarWhenNarrow" android:clearTaskOnLaunch="true" >\[/code\]Error**:\[code\]01-23 14:58:00.855: D/dalvikvm(4238): GC_FOR_ALLOC freed 104K, 2% free 12729K/12935K, paused 16ms01-23 14:58:00.894: I/System.out(4238): Its not null01-23 14:58:00.901: D/AndroidRuntime(4238): Shutting down VM01-23 14:58:00.901: W/dalvikvm(4238): threadid=1: thread exiting with uncaught exception (group=0x40a511f8)01-23 14:58:00.901: E/AndroidRuntime(4238): FATAL EXCEPTION: main01-23 14:58:00.901: E/AndroidRuntime(4238): java.lang.RuntimeException: Unable to resume activity {cam.pack/cam.pack.MyCamActivity}: java.lang.NullPointerException01-23 14:58:00.901: E/AndroidRuntime(4238): at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2444)01-23 14:58:00.901: E/AndroidRuntime(4238): at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:2472)01-23 14:58:00.901: E/AndroidRuntime(4238): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1986)01-23 14:58:00.901: E/AndroidRuntime(4238): at android.app.ActivityThread.access$600(ActivityThread.java:123)01-23 14:58:00.901: E/AndroidRuntime(4238): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)01-23 14:58:00.901: E/AndroidRuntime(4238): at android.os.Handler.dispatchMessage(Handler.java:99)01-23 14:58:00.901: E/AndroidRuntime(4238): at android.os.Looper.loop(Looper.java:137)01-23 14:58:00.901: E/AndroidRuntime(4238): at android.app.ActivityThread.main(ActivityThread.java:4424)01-23 14:58:00.901: E/AndroidRuntime(4238): at java.lang.reflect.Method.invokeNative(Native Method)01-23 14:58:00.901: E/AndroidRuntime(4238): at java.lang.reflect.Method.invoke(Method.java:511)01-23 14:58:00.901: E/AndroidRuntime(4238): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)01-23 14:58:00.901: E/AndroidRuntime(4238): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)01-23 14:58:00.901: E/AndroidRuntime(4238): at dalvik.system.NativeStart.main(Native Method)01-23 14:58:00.901: E/AndroidRuntime(4238): Caused by: java.lang.NullPointerException01-23 14:58:00.901: E/AndroidRuntime(4238): at cam.pack.MyCamActivity.onResume(MyCamActivity.java:571)01-23 14:58:00.901: E/AndroidRuntime(4238): at android.app.Instrumentation.callActivityOnResume(Instrumentation.java:1154)01-23 14:58:00.901: E/AndroidRuntime(4238): at android.app.Activity.performResume(Activity.java:4539)01-23 14:58:00.901: E/AndroidRuntime(4238): at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2434)01-23 14:58:00.901: E/AndroidRuntime(4238): ... 12 more\[/code\]
How to upload images to dropbox?
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