Clues:
1. android:launchMode attribute of you Activity.
2. Intent.FLAG_ACTIVITY_NEW_TASK should not be set if you do not want
to see multi-instances.
On 12月4日, 上午8时32分, csyperski <csyper...@gmail.com> wrote:
> I have a problem with starting an intent from a BroadcastReceiver,
> where everytime onReceive() is called from the BroadcastReceiver it
> starts an intent which loads an activity. My problem is every time it
> seems to start a new instance of the Acitivty (even if it is already
> running) and I would like it to be a singleton. The problem this
> causes is that after a few calls of onReceive(), if the user hits the
> back button on the app, they are presented with what sees to be the
> same activity multiple times.
>
> Here is the basics of what I am doing:
>
> public class MyReceiver extends BroadcastReceiver
> {
>
> @Override
> public void onReceive(Context context, Intent intent)
> {
> try
> {
>
> Intent iAlarm = new Intent( context, MyActivity.class
> );
> iAlarm.addFlags(Intent.FLAG_FROM_BACKGROUND);
> iAlarm.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
> context.startActivity(iAlarm);
> }
> catch( Exception e )
> {
> .....
> }
> }
>
> }
>
> Any pointers would be appreciated, and thanks for your help in
> advance.
>
> Thanks,
> Chuck
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