add item in array list of android

Question

I want to add value getting from text view of android to an existing array list e g  my current array list contain values Cricket Football and  by text view I want to add hockey in array list at last position   then my array list become Cricket  football hockey  My array list of cricket and football is coming from previous activity  But now it add only cricket and football but does not add hockey How can I do it    resultArrGame  resultArrGame add txtGame getText   toString

User · Answer

This will definitely work for you     ArrayList lt String gt  list   new ArrayList lt String gt      list add textview getText   toString     list add  B    list add  C

User · Answer

You re trying to assign the result of the add operation to resultArrGame  and add can either return true or false  depending on if the operation was successful or not  What you want is probably just   resultArrGame add txt Game getText   toString

User · Answer

item sp getItemAtPosition i  toString    list add item   adapter notifyDataSetChanged        look up ArrayAdapter notifyDataSetChanged

User · Answer

you can use this add string to list on a button click  final String a     hello   world    final ArrayAdapter lt String gt  at new ArrayAdapter lt String gt  getApplicationContext    android R layout simple list item 1 a   final ListView sp  ListView findViewById R id listView1   sp setAdapter at   final EditText et  EditText findViewById R id editText1   Button b  Button findViewById R id button1   b setOnClickListener new OnClickListener                            Override             public void onClick View v                                    TODO Auto-generated method stub                 int k sp getCount                    String a1   new String k 1                   for int i 0 i lt k i                        a1 i  sp getItemAtPosition i  toString                    a1 k  et getText   toString                    ArrayAdapter lt String gt  ats new ArrayAdapter lt String gt  getApplicationContext    android R layout simple list item 1 a1                   sp setAdapter ats                               So on a button click it will get string from edittext and store in listitem  you can change this to your needs

[android] add item in array list of android

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