Seems like a simple question to me, but I can't figure it out. I have this code inside my Fragment:
myTextView.setText("Test");
However, this code brakes my app and I am unsure why. Perhaps this is a conflict with Views, but I still don't understand why it wont work. Any suggestions?
How did you set the content?
Edited my answer :) try this
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.xmlName,
container, false);
TextView tv= (TextView) **view**.findViewById(R.id.textViewName);
tv.setText("yourText");
return view;
}
here is a tutorial for fragments : fragments tutorial
Related
I've been looking for how to implement an activity which won't be in full screen but not a dialog style. It is desired to be as follows:
I've tried some methods like AppTheme Dialog but I'm not getting the result I'm expecting. Any ideas how can I achieve that?
The best solution is to use BottomSheetBehaviour
It is pretty easy to use and has a nice animation. Take a look at a simple guide here. Sorry, I can't post the whole process here in detail. But for a quick implementation.
Create a class
public class CustomBottomSheetDialogFragment extends BottomSheetDialogFragment {
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View v = inflater.inflate(R.layout.my_layout, container, false);
return v;
}
}
Fill in your bottom by calling the class
new CustomBottomSheetDialogFragment().show(getSupportFragmentManager(), "Dialog");
i have try a lot of example or tutorial on tablayout, all work fine
(https://www.simplifiedcoding.net/android-tablayout-example-using-viewpager-fragments/, http://www.androidbegin.com/tutorial/implementing-fragment-tabs-in-android/)
but now i encounter 1 problem, which is i dont know how to set/change the TextView/ImageView while onCreate/onLoad
so far, what i able to do is, write all my code under onTabSelected, but this is not my solution because i cant show empty or static values on the 1st tab, then have to wait until click or slide again then only load the real data.
i'm sure it have a way or solution for my problem, can anyone share it to me (code/website)
or in order to have this Tab feature with viewpager contain recyclerview, Tablayout is not the right way to code, perhaps it have another more correct way to code.
Do these changes inside of onCreateView of fragment that you want
Example:
//Our class extending fragment
public class Tab1 extends Fragment {
//Overriden method onCreateView
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
//Change R.layout.tab1 in you classes
View view = inflater.inflate(R.layout.tab1, container, false);
TextView textView = (TextView) view.findViewById(R.id.you_textview_id);
textView .setText("Your text to show");
//Returning the layout file after inflating
return view;
}
}
The TextView need to be previous declared in tab.xml that you're inflating, in our example, tab1.
I created a new project (Tabbed Activity).
This is default code for onCreateView
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_main, container, false);
TextView textView = (TextView) rootView.findViewById(R.id.section_label);
textView.setText(getString(R.string.section_format,getArguments().getInt(ARG_SECTION_NUMBER)));
return rootView;
}
but then I made some changes to the code:
.
.
textView.setText(getString(R.string.section_format,getArguments().getInt(ARG_SECTION_NUMBER)));
Toast.makeText(getContext(), getString(R.string.section_format,getArguments().getInt(ARG_SECTION_NUMBER)), Toast.LENGTH_SHORT).show();
return rootView;
.
.
But the Toast value is different from what textview displayed. So the question is, how can I get the exact(accurate) value of section number?
Edit 1: Toast displayed two times when activity first started.
Edit 2: Screenshot added.
AFAIK,text from TextView might change faster. Whereas, the toast will continue showing until its time is up. It take approximately about 5s for the toast to change. So, you might think the section is not the same.
My suggestion is to test using two TextViews.
Hope this helps :)
I want to set text of a TextView that is inside a layout file,
I tried setContentView() but it isnt working since i am using fragments.
I tried using getResources().getLayout(R.layout.abc);
It returns null
I tried setContentView() but it isnt working since i am using
fragments
That's wrong. You have to override onCreateView and inflate and return the layout you want to show, and you can use onCreateView, and use its first parameter, View view, to call findViewById and access the widgets in your layout. You can read more here and here
inside fragment you can set view inside function onCreateView(), use below code
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle b) {
View view = (LinearLayout) inflater.inflate(R.layout.my_layout, container, false);
return view;
}
here my_layout should be the name of layout file,
now you can get view of it inside function onviewcreated()
public void onViewCreated(View view, Bundle savedInstanceState){
// here you can get your textview and set its value
}
thumbs up, if you find my answer correct
You can inflate your layout like this:
ViewGroup group = LayouInflate.from(context).inflate(R.layout.abc,null);
TextView tv = group.findViewById(R.id.xxx);
you have to inflate the layout through the onCreateView method and then return the View.
#Override
public View onCreateView(LayoutInflater inflater,ViewGroup container, Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.your_layout, container, false);
TextView yourTextView = (TextView)rootView.findViewById(R.id.yourTextViewId);
return rootView;
}
I am new in Android programming.
I created the main Activity of my app style google shop ussing ActionBarSherlock and a NavigationTabs, with fragments, each referencing another activity (Fragment 1 Fragment 2, etc) and each fragment inflating a layout.
However, I'm used to create layouts in xml and then customize them in java. To put a different text depending on the time of day, or according to some data in a database, giving function to buttons, etc.. But in a Fragment Class, I can not even use setContentView to work with each text or button, and set the context for using my database is giving me problems.
How I can customize a xml layout in a fragment?
Or what would be the right thing to do?
Here my Fragment:
public class Fragment1 extends SherlockFragment{
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState){
return inflater.inflate(R.layout.menu, container, false);
}
This is more simple then you think. onCreateView instanciate au returns the view for your Fragment. As you said, in a simple Activity you set (and instanciate) the view with setContentView() and then you get your Views with findViewById().
findViewById() asks for the view to return the view item that you want, you can call it from your view before returning it. Like this:
public class Fragment1 extends SherlockFragment{
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState){
View v = inflater.inflate(R.layout.menu, container, false);
// For example, getting a TextView
TextView tv = (TextView) v.findViewById(R.id.myTextView);
// do your job
return v;
}
so far so good, you just need to use the view you are inflating to get everything.
here is an example
View v = inflater.inflate(R.layout.menu, container, false);
Button b = (Button)v.findViewById(r.id.button1);
return v;
inside onActivityCreated you could use:
View mView = getView();
TextView textView = (TextView) view.findViewById(R.id.theIdOfTextView);
where theIdOfTextView is declared inside R.layout.menu.
getView() returns the View you inflated inside onCreateView. You use it only after onCreateView has been executed