I just started learning programming at the android and I have a problem with using variable at onSaveInstanceState
. This is my code:
int resultCode;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
if (savedInstanceState != null) {
super.onRestoreInstanceState(savedInstanceState);
int resultCode = savedInstanceState.getInt("resultCode");
}
Button btnOpenWithResult = (Button) findViewById(R.id.btnOpenWithResult);
btnOpenWithResult.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
Intent myIntent = new Intent(flashlight.this, ThirdActivity.class);
startActivityForResult(myIntent, 1);
}
});
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
switch (resultCode) {
case 1:
/** option 1 */
break;
case 2:
/** option 2 */
break;
}
@Override
public void onSaveInstanceState(Bundle savedInstanceState) {
savedInstanceState.putInt("resultCode", resultCode);
super.onSaveInstanceState(savedInstanceState);
}
I want to save the variable resultCode
using onSaveInstanceState
and after the resumption of activity once again to use it ...
(sorry for my level of English)
Cyren... 1) I see no reason to call super.onRestoreInstanceState in onCreate. It WOULD make sense to make that call in the method
public void onRestoreInstanceState(Bundle saved) {
super.onRestoreInstanceState(saved);
2) The declaration:
int resultCode = savedInstanceState.getInt("resultCode");
is "hiding" the variable:
int resultCode;
declared earlier. So there are two version of the variable resultCode with different scopes. Perhaps you mean to code:
int resultCode;
stuff here
resultCode = savedInstanceState.getInt("resultCode");
Hope that helps, JAL
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