Apps Question for Activity Switching.

[satellitemundo]

Hi All,

I want to know something more about Activity Switching.
Lets say we have four Activity. Activity A,B,C,D. User is navigating in this manner. A -> B -> C ->D.

Now I want to do something like this. Now user will go to Activity B. Its decided already. I want to jump to activity D to A on press of back button without creating new instance of B. I can use the method onBackPressed that I know. But the question is 'without creating new object' .

You can some other way too of doing this.
Please reply.

 

[miXer]

By clicking the back button it takes you to the previous Activity in the stack. You can override what the back button does.

 

[AndroidLab]

[FONT=&quot]Maybe you could think to create Nodes and joke with BackButton...[/FONT]

 

[satellitemundo]

Yes, But when I ovverride back button I have to write startActivity method for that and startActivity will create new instance. I dont want to create the newInstance

 

[miXer]

In AndroidManifest.xml you can set a tag in the Activity tag: android:launchMode="singleTop", this way, if A Activity is in the stack, it will bring that up instead of creating a new instance.

 

[JiMMaR]

this is what I did
have a static boolean in Activity A [I'll call it "flag"]
let's say you are in D , and want to go back to activity B when something happened
just let flag = true;
and in C , onResume , if flag is true , then call finish();
this way you go back to where you want

it's kinda a work around .. but worked for me