thanks man, that is an excellent way of explaining so even an android- beginner can understand. Is there a similar way of returning data to the first activity when the second activity has finished running, corresponding to javas "return value1;"?
Regards Per Sandström On 4 Aug, 17:44, powerbyte <[email protected]> wrote: > Hello > > >>To summarize: Activities don't have constructors! How do I send data > >>to them from their parent activity??? > > we can send data from parent activity to childs, using Intent > > for example: > > In parent activity, > > Intent intent = new Intent(this,com.sample.aaa.class); //aaa is > child activity > intent.putExtra("ARG1","value1"); > intent.putExtra("ARG2","value2"); > StartActivity(intent); > > In Child activity (aaa) use Bundle to get the data > > public void onCreate(Bundle som) { > super.onCreate(som); > > Intent intent = this.getIntent(); > Bundle b = intent.getExtras(); > String sVal1 = b.getString("ARG1"); > String sVal2 = b.getString("ARG2"); > .... > ... > > } > > -pb > > On Aug 4, 6:31 pm, Per Sandström <[email protected]> wrote: > > > but how do I create and pass this global object? I cant do it like I > > do in java or other programming languages where . AIDL is an > > alternative, but it still seems overkill for a small app. > > > regards > > Per Sandström > > > On Jul 22, 10:50 pm, niko20 <[email protected]> wrote: > > > > On Jul 22, 1:19 pm, Roman <[email protected]> wrote: > > > > > Android supports multiple IPC mechanisms. > > > > > You can use the Intent mechanism as well as the AIDL mechanism for > > > > doing this. The AIDL approach is more complex but offers you also more > > > > flexibility to pass objects. > > > > > Find information about this topic on > > > > >http://developer.android.com/guide/developing/tools/aidl.html > > > > > -- > > > > Roman Baumgaertner > > > > Sr. SW Engineer-OSDC > > > > ·T· · ·Mobile· stick together > > > > The views, opinions and statements in this email are those of the > > > > author solely in their individual capacity, and do not necessarily > > > > represent those of T-Mobile USA, Inc. > > > > > On Jul 22, 6:49 am, PerSandström<[email protected]> wrote: > > > > > > So far I have been using SharedPreferences to share data between > > > > > activities. But I would very much like to find a better way. I would > > > > > simply like both Activity1 and Activity2 to share Object1. Activity1 > > > > > will create Object1 and then start Activity2. What is the smartest way > > > > > to give Activity2 a pointer to Object1? > > > > > > To summarize: Activities don't have constructors! How do I send data > > > > > to them from their parent activity??? > > > > > > Regards, > > > > > PerSandström > > > > Hi, > > > > If both activities are in the same application, then just use a global > > > object and pass that around (singleton or such). Not too tough. > > > > -niko- Hide quoted text - > > > - Show quoted text - --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
