Hi All I want to open the "Text-To-Speech output" fragment of Settings from my application. I think first I need to open the settings activity and then its fragment. I tried setting the ComponentName
but it was unable to locate the activity.
Should I use FragmentManager
; I couldn't find anything specific to my needs. Can somebody give me some link which might explain it well.
intent = new Intent(context, MainFragment. class); context. startActivity(intent);
Move activity logic into a fragment With the fragment definition in place, the next step is to move the UI logic for this screen from the activity into this new fragment. If you are coming from an activity-based architecture, you likely have a lot of view creation logic happening in your activity's onCreate() function.
Yes you can, but you have to add more logic to your fragments and add some interfaces for each activity.
You are right, First You need to start the Activity than set the current Fragment in FragmentPager / Manager... Their is no such way to start some foreign fragment from your Activity that would be dangerous see that will lead to zombie fragments floating around the App (or May be I am not aware of that..)
You call the Activity Intent with some parameter for the Fragment name, you want to start i.e. interger, boolean etc...
Intent intent = new Intent(this,SecondActivity.class);
intent.putExtra("fragmentNumber",1); //for example
startActivity(intent);
You check the passed value inside OnCreate of the Second Acitivty and set the desired fragment on top.. inside OnCreate
if(getIntent().getIntExtra("fragmentNumber",0)==1){
//set the desired fragment as current fragment to fragment pager
}
However, I am not getting the problem "It was unable to locate the activity."
Have you entered the Activity in manifest file than what was the problem you were facing? Please post the full stack trace.
You can use the following:
Intent ttsSettings = new Intent("com.android.settings.TTS_SETTINGS");
ttsSettings.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(ttsSettings);
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