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POhow can i Use navigation drawer and Tabhost together without using any external library
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  1. POhow can i Use navigation drawer and Tabhost together without using any external library
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    copied!<p>I want to use navigation drawer and Tabhost together without using any external library is that possible? </p> <p>I have tried using external library of Sherlock Fragment however, i am getting issues with other things.</p> <p>FragmentTab1.java</p> <pre><code>public class FragmentTab1 extends SherlockFragment { Button postAd, browse; EditText discription; EditText price; String discriptionText; String priceText; String adTypetext; RadioGroup adType; RadioButton buy; RadioButton sell; Bitmap bitmap; ProgressDialog dialog; String encodedImage; String userid; TextView msgLength; JSONArray AdsArray = null; String TAG_ID = "id"; String TAG_IMAGE = "image"; String TAG_TYPE = "adType"; String TAG_DISCRIPTION = "description"; String TAG_PRICE = "price"; ListView lv; ArrayList&lt;HashMap&lt;String, String&gt;&gt; adList; private static final int PICK_IMAGE = 1; @SuppressLint("NewApi") @TargetApi(Build.VERSION_CODES.GINGERBREAD) @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View rootView = inflater.inflate(R.layout.fragmenttab1, container, false); if (android.os.Build.VERSION.SDK_INT &gt; 9) { StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder() .permitAll().build(); StrictMode.setThreadPolicy(policy); } postAd = (Button) getView().findViewById(R.id.bpostAd); discription = (EditText)getView().findViewById(R.id.etDiscription); price = (EditText)getView().findViewById(R.id.etPrice); final RadioGroup adType = (RadioGroup)getView().findViewById(R.id.radioGroup); RadioButton buy = (RadioButton)getView().findViewById(R.id.rbBuy); RadioButton sell = (RadioButton)getView().findViewById(R.id.rbSell); browse = (Button)getView().findViewById(R.id.bBrowse); msgLength = (TextView)getView().findViewById(R.id.tvLength); lv = (ListView)getView().findViewById(R.id.listView1); SharedPreferences mPrefs = getActivity().getSharedPreferences("IDvalue", 0); userid = mPrefs.getString("userIdKey", null); adList = new ArrayList&lt;HashMap&lt;String, String&gt;&gt;(); new LoadMyAds().execute(); TextWatcher txwatcher = new TextWatcher() { @Override public void onTextChanged(CharSequence s, int start, int before, int count) { // TODO Auto-generated method stub int length = s.length(); int remaining = 140 - length; msgLength.setText(String.valueOf(remaining)); } @Override public void beforeTextChanged(CharSequence s, int start, int count, int after) { // TODO Auto-generated method stub } @Override public void afterTextChanged(Editable s) { // TODO Auto-generated method stub } }; discription.addTextChangedListener(txwatcher); postAd.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub discriptionText = discription.getText().toString(); priceText = price.getText().toString(); int selectedRbId = adType.getCheckedRadioButtonId(); if (selectedRbId == R.id.rbBuy) { adTypetext = "Buying"; } if (selectedRbId == R.id.rbSell) { adTypetext = "Selling"; } if (bitmap == null) { Toast.makeText(getActivity().getApplicationContext(), "Please select image", Toast.LENGTH_SHORT).show(); } else { new ImageUploadTask().execute(); UserFunctions userFunction = new UserFunctions(); JSONObject json = userFunction.postAd(encodedImage, discriptionText, adTypetext, priceText, userid); try { if (json.getString("status") != null) { String res = json.getString("status"); if (Integer.parseInt(res) == 1) { Toast.makeText(getActivity().getApplicationContext(), "Ad has been posted", Toast.LENGTH_LONG) .show(); } else { Toast.makeText(getActivity().getApplicationContext(), "posting error", Toast.LENGTH_LONG) .show(); } } } catch (Exception e) { // TODO: handle exception e.printStackTrace(); } } } }); browse.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub try { Intent intent = new Intent(); intent.setType("image/*"); intent.setAction(Intent.ACTION_GET_CONTENT); startActivityForResult( Intent.createChooser(intent, "Select Picture"), PICK_IMAGE); } catch (Exception e) { Toast.makeText(getActivity().getApplicationContext(), "error", Toast.LENGTH_LONG).show(); Log.e(e.getClass().getName(), e.getMessage(), e); } } }); return rootView; } @Override public void onActivityResult(int requestCode, int resultCode, Intent data) { // TODO Auto-generated method stub switch (requestCode) { case PICK_IMAGE: if (resultCode == Activity.RESULT_OK) { Uri selectedImageUri = data.getData(); String filePath = null; try { // OI FILE Manager String filemanagerstring = selectedImageUri.getPath(); // MEDIA GALLERY String selectedImagePath = getPath(selectedImageUri); if (selectedImagePath != null) { filePath = selectedImagePath; } else if (filemanagerstring != null) { filePath = filemanagerstring; } else { Toast.makeText(getActivity().getApplicationContext(), "Unknown path", Toast.LENGTH_LONG).show(); Log.e("Bitmap", "Unknown path"); } if (filePath != null) { decodeFile(filePath); } else { bitmap = null; } } catch (Exception e) { Toast.makeText(getActivity().getApplicationContext(), "Internal error", Toast.LENGTH_LONG).show(); Log.e(e.getClass().getName(), e.getMessage(), e); } } break; default: } } public String getPath(Uri uri) { String[] projection = { MediaStore.Images.Media.DATA }; @SuppressWarnings("deprecation") Cursor cursor = getActivity().managedQuery(uri, projection, null, null, null); if (cursor != null) { // HERE YOU WILL GET A NULLPOINTER IF CURSOR IS NULL // THIS CAN BE, IF YOU USED OI FILE MANAGER FOR PICKING THE MEDIA int column_index = cursor .getColumnIndexOrThrow(MediaStore.Images.Media.DATA); cursor.moveToFirst(); return cursor.getString(column_index); } else return null; } public void decodeFile(String filePath) { // Decode image size BitmapFactory.Options o = new BitmapFactory.Options(); o.inJustDecodeBounds = true; BitmapFactory.decodeFile(filePath, o); // The new size we want to scale to final int REQUIRED_SIZE = 1024; // Find the correct scale value. It should be the power of 2. int width_tmp = o.outWidth, height_tmp = o.outHeight; int scale = 1; while (true) { if (width_tmp &lt; REQUIRED_SIZE &amp;&amp; height_tmp &lt; REQUIRED_SIZE) break; width_tmp /= 2; height_tmp /= 2; scale *= 2; } // Decode with inSampleSize BitmapFactory.Options o2 = new BitmapFactory.Options(); o2.inSampleSize = scale; bitmap = BitmapFactory.decodeFile(filePath, o2); Log.e("Decodefile", "bitmap set"); // imgView.setImageBitmap(bitmap); } class ImageUploadTask extends AsyncTask&lt;Void, Void, String&gt; { @Override protected String doInBackground(Void... params) { // TODO Auto-generated method stub ByteArrayOutputStream bos = new ByteArrayOutputStream(); bitmap.compress(CompressFormat.JPEG, 100, bos); byte[] data = bos.toByteArray(); // encodedImage = new String(data); encodedImage = Base64.encodeToString(data, Base64.DEFAULT); return encodedImage; } } class LoadMyAds extends AsyncTask&lt;Void, Void, String&gt; { @Override protected String doInBackground(Void... params) { // TODO Auto-generated method stub UserFunctions userFunction = new UserFunctions(); String type = "MyAds"; JSONObject json = userFunction.myAds(userid, type); try { if (json.getString("status") != null) { String res = json.getString("status"); if (Integer.parseInt(res) == 1) { AdsArray = json.getJSONArray("adsArray"); for (int i = 0; i &lt; AdsArray.length(); i++) { JSONObject c = AdsArray.getJSONObject(i); String id = c.getString(TAG_ID); String adType = c.getString(TAG_TYPE); String description = c.getString(TAG_DISCRIPTION); String price = c.getString(TAG_PRICE); String image = c.getString(TAG_IMAGE); HashMap&lt;String, String&gt; map = new HashMap&lt;String, String&gt;(); map.put(TAG_ID, id); map.put(TAG_IMAGE, image); map.put(TAG_TYPE, adType); map.put(TAG_DISCRIPTION, description); map.put(TAG_PRICE, price); adList.add(map); } } else { Toast.makeText(getActivity().getApplicationContext(), "parsing error", Toast.LENGTH_LONG).show(); } } } catch (Exception e) { // TODO: handle exception e.printStackTrace(); } return null; } @Override protected void onPostExecute(String result) { // TODO Auto-generated method stub //image parameter need to be added ListAdapter adapter = new SimpleAdapter(getActivity(), adList, R.layout.ad_list_item , new String[] { TAG_DISCRIPTION, TAG_PRICE} , new int[] { R.id.title, R.id.price}); lv.setAdapter(adapter); } } } </code></pre> <p>LogCat output:</p> <pre><code> 12-29 23:42:09.819: E/AndroidRuntime(1061): FATAL EXCEPTION: main 12-29 23:42:09.819: E/AndroidRuntime(1061): java.lang.NullPointerException 12-29 23:42:09.819: E/AndroidRuntime(1061): at com.backslash.myadds.FragmentTab1.onCreateView(FragmentTab1.java:86) 12-29 23:42:09.819: E/AndroidRuntime(1061): at android.support.v4.app.Fragment.performCreateView(Fragment.java:1460) 12-29 23:42:09.819: E/AndroidRuntime(1061): at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:911) 12-29 23:42:09.819: E/AndroidRuntime(1061): at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1088) 12-29 23:42:09.819: E/AndroidRuntime(1061): at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:682) 12-29 23:42:09.819: E/AndroidRuntime(1061): at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1444) 12-29 23:42:09.819: E/AndroidRuntime(1061): at android.support.v4.app.FragmentManagerImpl.executePendingTransactions(FragmentManager.java:461) 12-29 23:42:09.819: E/AndroidRuntime(1061): at android.support.v4.app.FragmentTabHost.onAttachedToWindow(FragmentTabHost.java:279) 12-29 23:42:09.819: E/AndroidRuntime(1061): at android.view.View.dispatchAttachedToWindow(View.java:12125) 12-29 23:42:09.819: E/AndroidRuntime(1061): at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:2453) 12-29 23:42:09.819: E/AndroidRuntime(1061): at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:2460) 12-29 23:42:09.819: E/AndroidRuntime(1061): at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:2460) 12-29 23:42:09.819: E/AndroidRuntime(1061): at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:2460) 12-29 23:42:09.819: E/AndroidRuntime(1061): at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:2460) 12-29 23:42:09.819: E/AndroidRuntime(1061): at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:2460) 12-29 23:42:09.819: E/AndroidRuntime(1061): at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:2460) 12-29 23:42:09.819: E/AndroidRuntime(1061): at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1207) 12-29 23:42:09.819: E/AndroidRuntime(1061): at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1004) 12-29 23:42:09.819: E/AndroidRuntime(1061): at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5481) 12-29 23:42:09.819: E/AndroidRuntime(1061): at android.view.Choreographer$CallbackRecord.run(Choreographer.java:749) 12-29 23:42:09.819: E/AndroidRuntime(1061): at android.view.Choreographer.doCallbacks(Choreographer.java:562) 12-29 23:42:09.819: E/AndroidRuntime(1061): at android.view.Choreographer.doFrame(Choreographer.java:532) 12-29 23:42:09.819: E/AndroidRuntime(1061): at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:735) 12-29 23:42:09.819: E/AndroidRuntime(1061): at android.os.Handler.handleCallback(Handler.java:730) 12-29 23:42:09.819: E/AndroidRuntime(1061): at android.os.Handler.dispatchMessage(Handler.java:92) 12-29 23:42:09.819: E/AndroidRuntime(1061): at android.os.Looper.loop(Looper.java:137) 12-29 23:42:09.819: E/AndroidRuntime(1061): at android.app.ActivityThread.main(ActivityThread.java:5103) 12-29 23:42:09.819: E/AndroidRuntime(1061): at java.lang.reflect.Method.invokeNative(Native Method) 12-29 23:42:09.819: E/AndroidRuntime(1061): at java.lang.reflect.Method.invoke(Method.java:525) 12-29 23:42:09.819: E/AndroidRuntime(1061): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737) 12-29 23:42:09.819: E/AndroidRuntime(1061): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553) 12-29 23:42:09.819: E/AndroidRuntime(1061): at dalvik.system.NativeStart.main(Native Method) </code></pre>
 

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