DO NOT use getApplicationContext(), use *this*.
On Sat, Feb 6, 2010 at 10:59 PM, YCH <[email protected]> wrote:
> Hi,
>
> I am new to android development and is having some problems on showing
> a custom dialog. My development environment is sdk 1.5 with eclipse.
>
> In the menu, if user click on the first button, I want to show a
> dialog.
>
> public boolean onOptionsItemSelected(MenuItem item) {
> switch (item.getItemId()) {
> case MENU_ADD
> this.showDialog(1);
> return true;
> case MENU_QUIT :
> this.finish();
> return true;
> }
> return false;
> }
>
> protected Dialog onCreateDialog(int id) {
> Dialog dialog;
> switch(id) {
> case 1:
> dialog = new Dialog(this.getApplicationContext());
> dialog.setContentView(R.layout.input_dialog);
> TextView t = (TextView)
> dialog.findViewById(R.id.TextView01);
> Button b = (Button) dialog.findViewById(R.id.Button01);
> break;
> default:
> dialog = null;
> }
> return dialog;
> }
>
> I know that the showDialog() will go to onCreateDialog(), but when I
> try to execute it in the emulator, it keeps saying that ERROR/
> AndroidRuntime(789) at the line this.showDialog(1);
>
> Is there anything important things missed? Would be grateful if there
> is some ideas on it!
>
> Thanks,
> YCH
>
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TreKing - Chicago transit tracking app for Android-powered devices
http://sites.google.com/site/rezmobileapps/treking
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