how to pass object from one fragment to another?

Question

Code of fragment MoneyTransferFragment......

MoneyTransferFragment moneyTransferFragment = new MoneyTransferFragment();
                    Bundle b = new Bundle();
                    b.putSerializable("UserValidateObject",userValidate);
                    b.putSerializable("BeneficiaryObject",beneficiaryDetails);
                    moneyTransferFragment.setArguments(b);

Code of second fragment where i want to retrive that object.......

Bundle b = getArguments();
    userValidate =(UserValidate) b.getSerializable("UserValidateObject");
    Log.i("getuserValidate",userValidate.toString());

showing error at Log that ..........

java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference

Please show a [mcve] of your code that actually loads your `MoneyTransferFragment` — OneCricketeer, Jan 19 '17 at 12:21
@suraj have you tried to make `UserValidate` class as a `Serilizable` or `Parcelable` ? — user1140237, Jan 19 '17 at 12:22
Possible duplicate of :http://stackoverflow.com/questions/19998239/android-passing-objects-between-fragments — Rajakumar, Jan 19 '17 at 12:22
yes @user1140237.....I have implemented UserValidate class as Serializable — suraj shinde, Jan 19 '17 at 12:28
What is the second fragment ? Is it MoneyTransferFragment? If not it will crash like this. — Krish, Jan 19 '17 at 13:42
but second fragment is in another activity not same activity — suraj shinde, Jan 20 '17 at 05:24

Ankush Bist · Accepted Answer · 2017-01-20T09:44:06.690

6

change your code From:

Bundle b = getArguments();
userValidate =(UserValidate) b.getSerializable("UserValidateObject");
Log.i("getuserValidate",userValidate.toString());

To:

userValidate=(UserValidate)getArguments().getSerializable("UserValidateObject");
Log.i("getuserValidate",userValidate.toString());

Activity works:

    (YourObject)getIntent().getSerializableExtra("keyname");

Fragment Works:

 (YourObject)getArguments().getSerializable("keyname");

edited Jan 20 '17 at 09:44

answered Jan 19 '17 at 12:31

Ankush Bist

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public class UserValidate implements Serializable{ //your methods and variables } – Avinash Roy Jan 19 '17 at 12:32
Attempt to invoke virtual method 'java.io.Serializable android.os.Bundle.getSerializable(java.lang.String)' on a null object reference – suraj shinde Jan 19 '17 at 12:47
but second fragment is in another activity not same activity – suraj shinde Jan 20 '17 at 06:30
can u explain how you are actually doing this all. Means from which activity or fragment to next activity/fragment – Ankush Bist Jan 20 '17 at 06:48
Activity A contains frgmaentA and Activity B contains fragmentB I want to pass object from frgmaentA to fragmentB – suraj shinde Jan 20 '17 at 09:36
ohh you are confusing now. If activityB contains fragmentB then why are you calling fragementB from fragmentA. You need to call ActivityB first and then get these values at ActivityB and pass on to FragmentB – Ankush Bist Jan 20 '17 at 09:45
look above how to get serializable data in both – Ankush Bist Jan 20 '17 at 09:46
yes sir already I am calling ActivityB from fragmentA......but ActivityB contains fragmentB so I want to pass object from fragmentA to fragmentB – suraj shinde Jan 20 '17 at 09:58
kkkkk.....means it is neccessary to get object at ActivityB and then pass it to fragmentB – suraj shinde Jan 20 '17 at 10:00
thats why your fragments returning you a null value – Ankush Bist Jan 20 '17 at 10:07
done...thank u sir.....now how to pass object from ActivityB to fragmentB – suraj shinde Jan 20 '17 at 11:09

how to pass object from one fragment to another?

1 Answers1