I have 2 activities which I need to share data between. The data
passes from the first (parent) activity to the child properly using
the intent and unpacking the bundle in the child class. However when
the child activity ends and onActivityResult() is called in the parent
the returned intent is null. Here is a snippet of the code involved:
// In parent class Parent.java
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
configureButtonFunctionality();
}
private void configureButtonFunctionality()
{
Button b = (Button) findViewById(R.id.UpdateVelocityButton);
b.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
launchAviationActivity(Activities.Velocity.ordinal());
}
});
}
private Intent setIntentDataForActivities(int activity)
{
currentVelocity = 123.0; // privately defined class member.
Intent i = new Intent(this, Child.class);
i.putExtra("Velocity", currentVelocity);
return(i);
}
private void launchChildActivity(int a)
{
startActivityForResult(setIntentDataForActivities(a), a);
}
@Override
protected void onActivityResult(int requestCode, int resultCode,
Intent intent)
{
/////////////////////////////////////////////////// Here is where the
intent returns from the Child class but is null... /////////////////
super.onActivityResult(requestCode, resultCode, intent);
if(requestCode == Activities.Velocity.ordinal())
{
currentVelocity = intent.getDoubleExtra("Velocity", 0.0);
}
}
// In child class Child.java
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
Intent i = this.getIntent();
Bundle b = i.getExtras();
currentVelocity = b.getDouble("Velocity"); // value is passed
and received properly here.
...............
}
private void closeActivity()
{
clearFields();
//Intent i = new Intent(); // Building the intent with either
constructor does not make a difference in behavior
Intent i = new Intent(this, Parent.class);
i.putExtra("Velocity", currentVelocity);
setResult(RESULT_OK, i);
finish();
}
I am new with Android and have ran out of explanations for this. Any
assistance will be appreciated :).
Thanks!
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google
Groups "Android Beginners" group.
To post to this group, send email to android-beginners@googlegroups.com
To unsubscribe from this group, send email to
android-beginners-unsubscr...@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/android-beginners?hl=en
-~----------~----~----~----~------~----~------~--~---
