Actually i have a seperate class which is instantiated from the Activity which has these static objects which need to be shared throughout the application.Thats why i have them static. Thanks, Alok.
On Sat, Jan 2, 2010 at 1:20 PM, Brion Emde <[email protected]> wrote: > What is the reason that your HashMap and arrays are static? Perhaps > they are a component of each instance of your Activity, rather than > having a single HashMap and arrays for all instances? > > > On Jan 2, 12:27 am, Alok Kulkarni <[email protected]> wrote: > > Hi guys, I am facing a problem in my application. > > I have a few static arrays and Hashmaps in my app which i fill in when my > > Activity starts.Then this activity later launches another Activity. Now > > user presses Home button of Back button and again restarts the app, even > > then the static objects remain in memory. I beleive this is default > android > > behaviour. > > I have an example app. > > package com.cm.test; > > > > import java.util.HashMap; > > > > import android.app.Activity; > > import android.os.Bundle; > > import android.util.Log; > > > > public class MyActivity extends Activity { > > public static HashMap<String, String> hMap = new HashMap<String, > > String>(); > > > > /** Called when the activity is first created. */ > > @Override > > public void onCreate(Bundle savedInstanceState) { > > super.onCreate(savedInstanceState); > > setContentView(R.layout.main); > > Log.i("***","Hash map size = "+hMap.size()); > > > > hMap.put("Alok","Alokkkk"); > > hMap.put("Jitu","Jituuuu"); > > > > Log.i("***","Activity onCreate() called"); > > } > > @Override > > public void onDestroy() > > { > > Log.i("***","Activity onDestroy() called"); > > super.onDestroy(); > > > > } > > > > @Override > > public void onResume() > > { > > super.onResume(); > > Log.i("***","Activity onResume() called"); > > } > > @Override > > public void onStop() > > { > > > > super.onStop(); > > > > Log.i("***","Activity onStop() called"); > > } > > > > } > > > > Output First time is Size = 0. for 1st launch, Next for every launch , > > HashMap size is 2... If i use ArrayList , the size of ArrayList goes on > > increasing. > > I dont want this to happen.One thing was that to clear the HashMap in > > onDestroy() or in onStop() in case user presses Home button. But my > Activity > > launches another ListActivity in it. So the alternae option is to clear > the > > Hashmaps in onDestroy() | onStop() of this activity. > > I am not much clear when the Activity exits. From the posts that i have > read > > i found few things herehttp:// > groups.google.com/group/android-developers/browse_thread/threa... > > The manifest part android:clearTaskOnLaunch=true does not work in my > case. > > What do you people suggest in this case? > > Thanks, > > Alok. > > -- > 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]<android-developers%[email protected]> > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en -- 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
