Question

Possible Duplicate:
Dismiss a custom dialog?

I have a customized dialog, the layout file of the dialog contains a button with id “submit_btn“.

In java code, I setOnClickListener to the submit_btn button of the dialog:

View view = layoutInflater.inflate(R.layout.info_dialog, null);

AlertDialog infoDialog = new AlertDialog.Builder(MyActivity.this)
                                           .setView(view)        
                                           .create();
infoDialog.show();  

Button submitBtn = (Button) view.findViewById(R.id.submit_btn);

submitBtn.setOnClickListener(new OnClickListener() {

          public void onClick(View v) {
       //ERROR: Cannot refer to a non-final variable infoDialog inside an inner class defined in a different method

                     infoDialog.dismiss();
       }
});

Then, when I call infoDialog.dismiss();, Eclipse raise the error which complains that Cannot refer to a non-final variable infoDialog inside an inner class defined in a different method. How to get rid of this problem based on my code?

Answer 1

Could you just do this…

final AlertDialog infoDialog = new AlertDialog.Builder(MyActivity.this)
                                           .setView(view)        
                                           .create();

// just add final to that line.

Or you could increase the scope of the infoDialog.

public class YourActivity {

    private AlertDialog mInfoDialog;

    private YourMethod() {
        View view = layoutInflater.inflate(R.layout.info_dialog, null);

        mInfoDialog = new AlertDialog.Builder(MyActivity.this)
                                           .setView(view)        
                                           .create();
        mInfoDialog.show();  

        Button submitBtn = (Button) view.findViewById(R.id.submit_btn);

        submitBtn.setOnClickListener(new OnClickListener() {

            public void onClick(View v) {
                mInfoDialog.dismiss();
            }
        });
    }
}