FindViewById in fragment android?
Do a getView() This will return the root view for the fragment. On this you can do a findViewById. I.
E ImageView imageView = (ImageView) getView(). FindViewById(R.id. Foo).
Do a getView(). This will return the root view for the fragment. On this you can do a findViewById.I.e.
ImageView imageView = (ImageView) getView(). FindViewById(R.id. Foo).
You need to inflate the Fragment's view and call findViewById() on the View it returns. Public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View V = inflater. Inflate(R.layout.
Testclassfragment, container, false); ImageView imageView = (ImageView)V. FindViewById(R.id. My_image); return V; }.
When you do V. FindViewById(R.id. Someid),surely that will only work for all the widgets that are in the inflated view.
What if the imageView he is trying to inflate is outside the inflated view? – Raunak Oct 2 at 0:33 Then the class that "owns" and inflated the imageView needs to provide public access to it. That is very bad practice though.
Fragments should only have access to the UI elements present in their layout. – LeffelMania Oct 14 at 6:18.
Get first the fragment view and then get from this view your ImageView. Public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater. Inflate(R.layout.
Testclassfragment, container, false); ImageView imageView = (ImageView) view. FindViewById(R.id. My_image); return view; }.
– Tsunaze Jun 28 at 15:59 onCreateView creates and returns the view hierarchy associated with the fragment. OnCreate is called to do initial creation of the fragment. Indeed, it depends on what you write in these methods.
– xevincent Jun 28 at 16:39 Okay, but how can I declare variable in the onCreate? Because the View is inside the onCreateView method . – Tsunaze Jun 28 at 18:47.
A Fragment is a piece of an application's user interface or behavior that can be placed in an Activity. Interaction with fragments is done through FragmentManager, which can be obtained via Activity. GetFragmentManager() and Fragment.
The Fragment class can be used many ways to achieve a wide variety of results. It is core, it represents a particular operation or interface that is running within a larger Activity. A Fragment is closely tied to the Activity it is in, and can not be used apart from one.
Though Fragment defines its own lifecycle, that lifecycle is dependent on its activity: if the activity is stopped, no fragments inside of it can be started; when the activity is destroyed, all fragments will be destroyed. You must use FragmentManager.
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