Creating an AlertDialog

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Creating an AlertDialog

Following Google Android's Developer Guide on building an AlertDialog had me stomped. The dialog box just wouldn't pop up when I'm done. The following is the source code in the example:

AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setMessage("Are you sure you want to exit?")
       .setCancelable(false)
       .setPositiveButton("Yes", new DialogInterface.OnClickListener() {
           public void onClick(DialogInterface dialog, int id) {
                MyActivity.this.finish();
           }
       })
       .setNegativeButton("No", new DialogInterface.OnClickListener() {
           public void onClick(DialogInterface dialog, int id) {
                dialog.cancel();
           }
       });
AlertDialog alert = builder.create();

After messing around with it for a while, I found a change to the source code above that would work. Simply change the last line ("AlertDialog alert = builder.create();" to "builder.show ()" and the dialog box pops up.

Chieh Cheng
Fri, 02 Jul 2010 20:58:22 +0000

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