Call fragment from fragment

Question

i have an activity with button on it and when a click i call the fragment with another button on fragment  but when click on fragment s button i cant call a second fragment  this is my source  pretty simple  activity main xml    lt LinearLayout xmlns android  http   schemas android com apk res android  xmlns tools  http   schemas android com tools  android layout width  match parent  android layout height  match parent  android orientation  horizontal  tools context   MainActivity   gt    lt Button      android id    id btn click      android text  Call Fragment      android layout height  wrap content      android layout width  fill parent      android onClick  onClick        gt   lt  LinearLayout gt    fragment1 xml   lt  xml version  1 0  encoding  utf-8   gt   lt LinearLayout xmlns android  http   schemas android com apk res android  android layout width  match parent  android layout height  match parent  android background   f0f0f0  android orientation  vertical   gt    lt TextView      android id    id fragment1      android text  Fragment 1      android textSize  25sp      android gravity  center      android layout height  wrap content      android layout width  fill parent        gt    lt Button      android id    id btn frag2      android text  Call Fragment 2      android layout width  fill parent      android layout height  wrap content        gt   lt  LinearLayout gt    fragment2 xml   lt  xml version  1 0  encoding  utf-8   gt   lt LinearLayout xmlns android  http   schemas android com apk res android  android layout width  match parent  android layout height  match parent  android background   f0f0f0  android orientation  vertical   gt    lt TextView      android id    id fragment2      android text  Fragment 2      android textSize  25sp      android gravity  center vertical center horizontal      android layout height  wrap content      android layout width  fill parent        gt   lt  LinearLayout gt    MainActivity java  public class MainActivity extends Activity     Override protected void onCreate Bundle savedInstanceState        super onCreate savedInstanceState       setContentView R layout activity main       Override public boolean onCreateOptionsMenu Menu menu           Inflate the menu  this adds items to the action bar if it is present      getMenuInflater   inflate R menu activity main  menu       return true     public void onClick View v        Fragment1 fragment1   new Fragment1        FragmentManager fragmentManager   getFragmentManager        FragmentTransaction fragmentTransaction   fragmentManager beginTransaction        fragmentTransaction replace android R id content  fragment1       fragmentTransaction commit           Fragment1 java  public class Fragment1 extends Fragment         Override     public View onCreateView LayoutInflater inflater  ViewGroup container  Bundle savedInstanceState            return inflater inflate R layout fragment1  container  false              public void onClick2 View view            Fragment2 fragment2   new Fragment2            FragmentManager fragmentManager   getFragmentManager            FragmentTransaction fragmentTransaction   fragmentManager beginTransaction            fragmentTransaction replace R id fragment1  fragment2           fragmentTransaction commit              Fragment2 java  public class Fragment2 extends Fragment         Override     public View onCreateView LayoutInflater inflater  ViewGroup container  Bundle savedInstanceState            return inflater inflate R layout fragment2  container  false             what is wrong in my code

User · Answer

Just do that  getTabAt index of your tab           ActionBar actionBar   getSupportActionBar            actionBar selectTab actionBar getTabAt 0

User · Answer

If you want to replace the entire Fragment1 with Fragment2  you need to do it inside MainActivity  by using   Fragment2 fragment2   new Fragment2    FragmentManager fragmentManager   getFragmentManager    FragmentTransaction fragmentTransaction   fragmentManager beginTransaction    fragmentTransaction replace android R id content  fragment2   fragmentTransaction commit      Just put this code inside a method in MainActivity  then call that method from Fragment1

User · Answer

I think now Fragment nesting is available just update the back computability  jar   now lets dig in the problem it self     public void onClick2 View view        Fragment2 fragment2   new Fragment2        FragmentManager fragmentManager   getFragmentManager        FragmentTransaction fragmentTransaction   fragmentManager beginTransaction        fragmentTransaction replace R id fragment1  fragment2       fragmentTransaction commit        I think the R id fragment1 belongs to a TextView which is not a good place to include child views in because its not a ViewGroup  you can remove the textView from the xml and replace it with a LinearLayout lets say and it will work   if not tell me what the error     fragment1 xml   lt  xml version  1 0  encoding  utf-8   gt   lt LinearLayout xmlns android  http   schemas android com apk res android  android layout width  match parent  android layout height  match parent  android background   f0f0f0  android orientation  vertical   gt    lt LinearLayout      android id    id fragment1      android layout height  wrap content      android layout width  fill parent        gt    lt Button      android id    id btn frag2      android text  Call Fragment 2      android layout width  fill parent      android layout height  wrap content        gt   lt  LinearLayout gt    Update for the error in the comment   public class Fragment1 extends Fragment implements OnClickListener    Override public View onCreateView LayoutInflater inflater  ViewGroup container  Bundle savedInstanceState        View v   inflater inflate R layout fragment1  container  false     Button  v findViewById R id btn frag2   setOnClickListener this       return v     public void onClick View view        Fragment2 fragment2   new Fragment2        FragmentManager fragmentManager   getFragmentManager        FragmentTransaction fragmentTransaction          fragmentManager beginTransaction        fragmentTransaction replace R id container  fragment2       fragmentTransaction addToBackStack null       fragmentTransaction commit

User · Answer

I would use a listener  Fragment1 calling the listener  main activity

User · Answer

In MainActivity   private static android support v4 app FragmentManager fragmentManager    Override protected void onCreate Bundle savedInstanceState        super onCreate savedInstanceState       setContentView R layout activity main                             fragmentManager   getSupportFragmentManager                                                                              public void secondFragment          fragmentManager              beginTransaction                setCustomAnimations R anim right enter  R anim left out               replace R id frameContainer  new secondFragment     secondFragmentTag   addToBackStack null               commit        In FirstFragment call SecondFrgment Like this   new MainActivity   secondFragment

User · Answer

This code works for me to call the parent fragment method from child fragment   ParentFragment parent    ParentFragment  activity getFragmentManager   findViewById R id contaniner    parent callMethod

User · Answer

This is my answer which solved the same problem  Fragment2 java is the fragment class which holds the layout of fragment2 xml  public void onClick View v                        Fragment  fragment2   new Fragement2                        FragmentManager fragmentManager   getFragmentManager                        FragmentTransaction fragmentTransaction   fragmentManager beginTransaction                        fragmentTransaction replace R id frame container  fragment2                       fragmentTransaction addToBackStack null                       fragmentTransaction commit

[android] Call fragment from fragment

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