How do I get extra data from intent on Android

Question

How can I send data from one activity  intent  to another   I use this code to send data   Intent i new Intent context SendMessage class   i putExtra  id   user getUserAccountId        i putExtra  name   user getUserFullName     context startActivity i

User · Answer

Kotlin First Activity val intent   Intent this  SecondActivity  class java  intent putExtra  quot key quot    quot value quot   startActivity intent   Second Activity val value   getIntent   getStringExtra  quot key quot    Suggestion Always put keys in constant file for more managed way  companion object       val PUT EXTRA USER    quot PUT EXTRA USER quot

User · Answer

Getting Different Types of Extra from Intent  To access data from Intent you should know two things    KEY  DataType of your data    There are different methods in Intent class to extract different kind of data types  It looks like this      getIntent   XXXX KEY  or intent XXX KEY      So if you know the datatype of your varibale which you set in otherActivity you can use the respective method         Example to retrieve String in your Activity from Intent  String profileName   getIntent   getStringExtra  SomeKey      List of different variants of methods for different dataType  You can see the list of available methods in Official Documentation of Intent

User · Answer

Instead of initializing another new Intent to receive the data  just do this   String id   getIntent   getStringExtra  id

User · Answer

If you are trying to get extra data in fragments then you can try using   Place data using   Bundle args   new Bundle    args putInt DummySectionFragment ARG SECTION NUMBER     Get data using   public View onCreateView LayoutInflater inflater  ViewGroup container  Bundle savedInstanceState        getArguments   getInt ARG SECTION NUMBER     getArguments   getString ARG SECTION STRING     getArguments   getBoolean ARG SECTION BOOL     getArguments   getChar ARG SECTION CHAR     getArguments   getByte ARG SECTION DATA

User · Answer

Just a suggestion   Instead of using  id  or  name  in your i putExtra  id         I would suggest  when it makes sense  using the current standard fields that can be used with putExtra    i e  Intent EXTRA something   A full list can be found at Intent  Android Developers

User · Answer

First  get the intent which has started your activity using the getIntent   method   Intent intent   getIntent      If your extra data is represented as strings  then you can use intent getStringExtra String name  method  In your case   String id   intent getStringExtra  id    String name   intent getStringExtra  name

User · Answer

How to send value using intent from one class to another class     class A which will send data      Intent theIntent   new Intent this  B class       theIntent putExtra  name   john       startActivity theIntent       How to get these values in another class     Class B     Intent i  getIntent        i getStringExtra  name        if you log here i than you will get the value of i i e  john

User · Answer

Add-up  Set Data  String value    Hello World    Intent intent   new Intent getApplicationContext    NewActivity class   intent putExtra  sample name   value   startActivity intent     Get Data  String value  Bundle bundle   getIntent   getExtras    if  bundle    null        value   bundle getString  sample name

User · Answer

In the receiving activity  Bundle extras   getIntent   getExtras     String userName   if  extras    null        userName   extras getString  name           and get whatever type user account id is

User · Answer

If used in a FragmentActivity  try this   The first page extends FragmentActivity  Intent Tabdetail   new Intent getApplicationContext    ReceivePage class   Tabdetail putExtra  Marker   marker getTitle   toString     startActivity Tabdetail     In the fragment  you just need to call getActivity   first   The second page extends Fragment   String receive   getActivity   getIntent   getExtras   getString  name

User · Answer

This is for adapter   for activity you just need to change mContext   to your Activty name and for fragment you need to change mContext to   getActivity      public static ArrayList lt String gt  tags array     static array list if you want to pass array data        public void sendDataBundle                tags array   new ArrayList                tags array add  hashtag     few array data             tags array add  selling                tags array add  cityname                tags array add  more                tags array add  mobile                tags array add  android                tags array add  dress                Intent su   new Intent mContext  ViewItemActivity class               Bundle bun1   new Bundle                bun1 putString  product title   My Product Titile                bun1 putString  product description    My Product Discription                bun1 putString  category    Product Category                bun1 putStringArrayList  hashtag   tags array    to pass array list              su putExtras bun1               mContext startActivity su

User · Answer

You can also do like this    put value in intent      Intent in   new Intent MainActivity this  Booked class       in putExtra  filter    Booked        startActivity in        get value from intent      Intent intent   getIntent        Bundle bundle   intent getExtras        String filter   bundle getString  filter

User · Answer

We can do it by simple means   In FirstActivity   Intent intent   new Intent FirstActivity this  SecondActivity class   intent putExtra  uid   uid toString     intent putExtra  pwd   pwd toString     startActivity intent     In SecondActivity       try           Intent intent   getIntent             String uid   intent getStringExtra  uid            String pwd   intent getStringExtra  pwd           catch  Exception e            e printStackTrace            Log e  getStringExtra EX   e

User · Answer

Pass the intent with value on First Activity   Intent intent   new Intent FirstActivity this  SecondActivity class   intent putExtra  uid   uid toString     intent putExtra  pwd   pwd toString     startActivity intent     Receive intent on second Activity -  Intent intent   getIntent    String user   intent getStringExtra  uid    String pass   intent getStringExtra  pwd      We use generally two method in intent to send the value and to get the value  For sending the value we will use intent putExtra  key   Value   and during receive intent on another activity we will use intent getStringExtra  key    to get the intent data as String or use some other available method to get other types of data  Integer  Boolean  etc    The key may be any keyword to identify the value means that what value you are sharing  Hope it will work for you

User · Answer

Put data by intent  Intent intent   new Intent mContext  HomeWorkReportActivity class   intent putExtra  quot subjectName quot    quot Maths quot    intent putExtra  quot instituteId quot   22   mContext startActivity intent    Get data by intent  String subName   getIntent   getStringExtra  quot subjectName quot    int insId   getIntent   getIntExtra  quot instituteId quot   0    If we use an integer value for the intent  we must set the second parameter to  0 in getIntent   getIntExtra  quot instituteId quot   0   Otherwise  we do not use  0  and Android gives me an error

User · Answer

You can get any type of extra data from intent  no matter if it s an object or string or any type of data   Bundle extra   getIntent   getExtras     if  extra    null       String str1    String  extra get  obj       get a object      String str2    extra getString  string      get a string     and the Shortest solution is   Boolean isGranted   getIntent   getBooleanExtra  tag   false

[android] How do I get extra data from intent on Android?

Kotlin

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