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Strict Standards: Non-static method utf_normalizer::nfc() should not be called statically in /www/htdocs/w006661d/anddev/includes/utf/utf_tools.php on line 1781

Strict Standards: Non-static method utf_normalizer::nfc() should not be called statically in /www/htdocs/w006661d/anddev/includes/utf/utf_tools.php on line 1781
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anddev.org • View topic - Use same AlertDialog in onCreate and onActivityResult

Use same AlertDialog in onCreate and onActivityResult

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Use same AlertDialog in onCreate and onActivityResult

Postby matinba » Sat Nov 29, 2008 2:33 am

Hi,

sorry if I'm missing something very basic here, but I can't find a way to declare a AlertDialog so I can use it in onCreate() and also in a catch() block of onActivityResult();

My Way was defining the dialog variable before onCreate():
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Using java Syntax Highlighting
  1. AlertDialog.Builder MyDialog;
Parsed in 0.012 seconds, using GeSHi 1.0.8.4


and assigning its settings in onCreate():
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  1. AlertDialog.Builder MyDialog =  new AlertDialog.Builder(this)
  2.  
  3.                         .setCancelable(false)
  4.  
  5.                         .setMessage(sDefaultMessage)
  6.  
  7.                         .setNeutralButton("Ok", new DialogInterface.OnClickListener() {
  8.  
  9.  
  10.  
  11.                                 public void onClick(DialogInterface dialog, int whichButton) {
  12.  
  13.                                         startActivity(new Intent(Session.this, Dial.class));
  14.  
  15.                                 }
  16.  
  17.                         });
Parsed in 0.011 seconds, using GeSHi 1.0.8.4


It gives me a NullPointerException unless I copy and paste the code to onActivityResult.
Maybe someone can give me advice.
matinba
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Postby guillaume » Sat Nov 29, 2008 1:45 pm

Hi,

It may be because you wrote twice "AlertDialog.Builder MyDialog"

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  1. AlertDialog.Builder MyDialog ; // so MyDialog is a member of your activity
Parsed in 0.011 seconds, using GeSHi 1.0.8.4


and

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  1. AlertDialog.Builder MyDialog = new ... // so MyDialog is a local variable of your onCreate method.
Parsed in 0.011 seconds, using GeSHi 1.0.8.4


So MyDialog is assigned to a new dialog in onCreate, but when you refer to it outside of that method, it's still null.

The solution may be to remove "AlertDialog.Builder" in onCreate so it becomes

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Using java Syntax Highlighting
  1. MyDialog = new ...
Parsed in 0.011 seconds, using GeSHi 1.0.8.4
guillaume
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Postby matinba » Sat Nov 29, 2008 8:46 pm

Oh :oops: , thank you. It works now.
matinba
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