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POjava.lang.IllegalStateException: Can not perform this action after onSaveInstanceState with DialogFragment
 

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  1. POjava.lang.IllegalStateException: Can not perform this action after onSaveInstanceState with DialogFragment
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    <p>I am facing issue with DialogFragment / getSupportFragmentManager / Android version 4.x</p> <pre><code>01-10 19:46:48.228: E/AndroidRuntime(9879): java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState 01-10 19:46:48.228: E/AndroidRuntime(9879): at android.support.v4.app.FragmentManagerImpl.checkStateLoss(FragmentManager.java:1314) 01-10 19:46:48.228: E/AndroidRuntime(9879): at android.support.v4.app.FragmentManagerImpl.enqueueAction(FragmentManager.java:1325) 01-10 19:46:48.228: E/AndroidRuntime(9879): at android.support.v4.app.BackStackRecord.commitInternal(BackStackRecord.java:548) 01-10 19:46:48.228: E/AndroidRuntime(9879): at android.support.v4.app.BackStackRecord.commit(BackStackRecord.java:532) 01-10 19:46:48.228: E/AndroidRuntime(9879): at android.support.v4.app.DialogFragment.show(DialogFragment.java:127) 01-10 19:46:48.228: E/AndroidRuntime(9879): at com.v1.mypck.TermsAndConditions.showDialog(TermsAndConditions.java:256) 01-10 19:46:48.228: E/AndroidRuntime(9879): at com.v1.mypck.TermsAndConditions.handleMessage(TermsAndConditions.java:62) 01-10 19:46:48.228: E/AndroidRuntime(9879): at com.v1.mypck.TermsAndConditions$IncomingHandler.handleMessage(TermsAndConditions.java:53) 01-10 19:46:48.228: E/AndroidRuntime(9879): at android.os.Handler.dispatchMessage(Handler.java:99) 01-10 19:46:48.228: E/AndroidRuntime(9879): at android.os.Looper.loop(Looper.java:137) 01-10 19:46:48.228: E/AndroidRuntime(9879): at android.app.ActivityThread.main(ActivityThread.java:4441) 01-10 19:46:48.228: E/AndroidRuntime(9879): at java.lang.reflect.Method.invokeNative(Native Method) 01-10 19:46:48.228: E/AndroidRuntime(9879): at java.lang.reflect.Method.invoke(Method.java:511) 01-10 19:46:48.228: E/AndroidRuntime(9879): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784) 01-10 19:46:48.228: E/AndroidRuntime(9879): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551) 01-10 19:46:48.228: E/AndroidRuntime(9879): at dalvik.system.NativeStart.main(Native Method) </code></pre> <p>In below code when i press back it tries to finish current activity and go back to previous activity it throws above error.</p> <p>Code works well on older version (prior to 4.x).</p> <p>Can somebody guide me in right direction.</p> <pre><code>public class TermsAndConditions extends SherlockFragmentActivity implements LoaderManager.LoaderCallbacks&lt;JSONObject&gt;{ static final String TAG = "TermsAndConditions"; private static int titleResource; private static int messageResource; private IncomingHandler handler = null; private static final int SHOW_NETWORK_DIALOG = 3; static class IncomingHandler extends Handler { private final WeakReference&lt;TermsAndConditions&gt; mTarget; IncomingHandler(TermsAndConditions target) { mTarget = new WeakReference&lt;TermsAndConditions&gt;(target); } @Override public void handleMessage(Message msg) { TermsAndConditions target = mTarget.get(); if (target != null) { target.handleMessage(msg); } } } public void handleMessage(Message msg) { switch (msg.what) { case SHOW_NETWORK_DIALOG: titleResource = R.string.msg_alert_no_network_title; messageResource = R.string.msg_alert_no_network_message; showDialog(); break; } } @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.web_view); getSupportActionBar().setDisplayHomeAsUpEnabled(true); getSupportLoaderManager().initLoader(0, null, this); } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case android.R.id.home: finish(); return true; default: return super.onOptionsItemSelected(item); } } private void loadViewData() { //Logic to load content. } @Override public Loader&lt;JSONObject&gt; onCreateLoader(int arg0, Bundle arg1) { if (handler == null){ handler = new IncomingHandler(TermsAndConditions.this); } return new JsonLoader(this); } @Override public void onLoadFinished(Loader&lt;JSONObject&gt; arg0, JSONObject jsonData) { if(jsonDataObject==null || jsonDataObject.length()==0) { handler.sendEmptyMessage(SHOW_NETWORK_DIALOG); } else { loadViewData(); } } @Override public void onLoaderReset(Loader&lt;JSONObject&gt; arg0) { if(jsonDataObject==null || jsonDataObject.length()==0) { handler.sendEmptyMessage(SHOW_NETWORK_DIALOG); } else { loadViewData(); } } public static class JsonLoader extends AsyncTaskLoader&lt;JSONObject&gt; { public JsonLoader(Context context) { super(context); } @Override protected void onStartLoading() { if (jsonDataObject != null) { deliverResult(jsonDataObject); } if (takeContentChanged() || jsonDataObject == null) { forceLoad(); } } @Override public JSONObject loadInBackground() { try { return response.getJSONObject("result"); } catch (JSONException e) { return null; } catch (Throwable e) { return null; } } @Override public void deliverResult(JSONObject newJsonData) { if (isReset()) { if (jsonDataObject != null) { onReleaseResources(jsonDataObject); } } JSONObject oldData = jsonDataObject; jsonDataObject = newJsonData; if (isStarted()) { super.deliverResult(jsonDataObject); } if (oldData != null) { onReleaseResources(oldData); } } @Override protected void onStopLoading() { cancelLoad(); } @Override public void onCanceled(JSONObject jsonData) { super.onCanceled(jsonData); onReleaseResources(jsonData); } @Override protected void onReset() { super.onReset(); onStopLoading(); if (jsonDataObject != null) { onReleaseResources(jsonDataObject); jsonDataObject = null; } } protected void onReleaseResources(JSONObject jsonData) { jsonData = null; } } public static class MyAlertDialogFragment extends DialogFragment { public static MyAlertDialogFragment newInstance(int title) { MyAlertDialogFragment frag = new MyAlertDialogFragment(); Bundle args = new Bundle(); args.putInt("title", title); frag.setArguments(args); return frag; } @Override public Dialog onCreateDialog(Bundle savedInstanceState) { int title = getArguments().getInt("title"); return new AlertDialog.Builder(getActivity()) .setTitle(title) .setMessage(messageResource) .setPositiveButton(R.string.alert_dialog_ok, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { } } ) .create(); } } public void showDialog() { DialogFragment newFragment = MyAlertDialogFragment.newInstance(titleResource); newFragment.show(getSupportFragmentManager(), "my_dialog"); } } </code></pre>
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