When you switch from portrait to landscape mode or vice-versa, your
activity's onDestroy() and onCreate() will be called.
--
Jack Ha
Open Source Development Center
・T・ ・ ・Mobile・ stick together
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the author solely in their individual capacity, and do not
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On Jul 2, 7:13 am, csyperski <csyper...@dupage88.net> wrote:
> I have a very simple app activity within an app where there is a
> single Buttton and an Edit Text used for a user to enter a pin code.
> Here is my issue, everything works great if the app is kept in
> portrait mode, but if the screen is rotated to landscape mode it seems
> like another instance of the activity is being pushed onto the stack,
> because if you enter the valid pin code the activity does a:
>
> setResult( RESULT_OK );
> finish();
>
> But returns to (what seems) another instance of the same activity but
> with the text field cleared. Maybe I am just not understanding that
> is happening in the activity lifecycle here, if someone could shed
> some light? Below is the bulk of the code:
>
> private SharedPreferences prefs;
> private String strPin;
>
> protected void onCreate(Bundle savedInstanceState)
> {
> super.onCreate(savedInstanceState);
> setContentView(R.layout.andpinlogin);
> prefs = PreferenceManager.getDefaultSharedPreferences
> (this);
>
> Button btn = (Button)findViewById(R.id.Button01);
> btn.setOnClickListener(this);
>
> strPin = prefs.getString("pin", "");
> }
>
> @Override
> public void onClick(View arg0)
> {
> if( arg0 instanceof Button )
> {
> EditText txt =
> (EditText)findViewById(R.id.EditText01);
> if ( txt != null )
> {
> String strText = txt.getText().toString();
> if ( strText != null )
> {
> if (
> strText.trim().compareToIgnoreCase(strPin)==0)
> {
> setResult( RESULT_OK );
> finish();
> }
> else
> {
> Toast.makeText(this, "Invalid
> pin code", Toast.LENGTH_LONG).show
> ();
> }
> }
> }
>
> }
> }
>
> Thanks again to anyone that can help me out!
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