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PODialogFragment not showing
 

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    <p>I have problems showing a DialogFragment on an activity. I found a lot of other posts about this issue, but I couldn't find a solution.</p> <p>This is my Activity:</p> <pre><code>public class MainActivity extends FragmentActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); // check whether data connection is available ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo netInfo = cm.getActiveNetworkInfo(); if (netInfo == null || !netInfo.isConnectedOrConnecting()) { DataConnectionUnavailableDialog dialog = DataConnectionUnavailableDialog .newInstance("R.string.connection_unavailable"); dialog.show(getFragmentManager(), ""); } &lt; other stuff &gt; } &lt; other stuff &gt; } </code></pre> <p>As you can see I want to display a dialog when Internet connection is not available.</p> <p>This is my dialog.</p> <pre><code>public class DataConnectionUnavailableDialog extends DialogFragment { static DataConnectionUnavailableDialog newInstance(String title) { DataConnectionUnavailableDialog f = new DataConnectionUnavailableDialog(); Bundle args = new Bundle(); args.putString("title", title); f.setArguments(args); return f; } @Override public Dialog onCreateDialog(Bundle savedInstanceState) { // Use the Builder class for convenient dialog construction AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); builder.setMessage(R.string.connection_unavailable).setPositiveButton( R.string.open_connection, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { try { &lt; ... &gt; } catch (Exception e) { throw new RuntimeException(e.toString()); } } }).setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { finish(); } }); // Create the AlertDialog object and return it return builder.create(); } } </code></pre> <p>The strange thing is that few months ago, the dialog appeared. Then I left the project and when I returned to it, after some other modifications, I found this issue.</p> <p>I'm on a 4.0.3 Android.</p>
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    1. PTQuestion
    1. USsthor69
    1. USsthor69
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    1. CO`System.exit(0)` this is wrong you need to call `finish`
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      1. PODialogFragment not showing
      1. USRaghunandan
    2. COThanks for the comment. I used what I'm used to in Java, but I was sure it wasn't the correct way to do it.
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      1. PODialogFragment not showing
      1. USsthor69
    3. COAren't there anyone who can give me some hints on where the issue can be?
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      1. USsthor69
 

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