How can I create method for passing values from Activity to other components

Question

I need the chapterId and lessonId value in Tablayout fragments .

one of the solution to send data from activity to fragment is sending value with public method in activity and create a new instance in fragment and give the value in fragments .

I have This activity where i get bundle in that .

 public class DetailActivity extends AppCompatActivity {

        private String chapterId;
        private String lessonId;


        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_detail);

            getBundle();

        }

        private void getBundle() {
            Bundle bundle = getIntent().getExtras();

            if (bundle != null) {
                chapterId = bundle.getString("CHAPTERID");
                lessonId = bundle.getString("LESSONID");
            }
        }

      ========  Method for sending data to other Activities and Fragments=====
        public String  getId(){

        }

    }

Now my question is how can i write this method . Thanks

i know using intent , my mean is creating method for passing value between Activty and fragment . — kiana rahimi, May 12 '16 at 07:07

score 0 · Answer 1 · answered May 12 '16 at 07:06

0

for activity:

Intent intent = new Intent(this,yourActivity.class);
intent.putExtra("bundle",bundle);
startActivity(intent)

in activity :

Bundle extras = getIntent().getExtras();
 if (extras != null) {
            chapterId = bundle.getString("CHAPTERID");

        }

for fragment

Fragment myFragment = new MyFragment();
myFragment.setArguments( bundle );

in fragment

Bundle extras = getArguments();

if (extras != null) {
            chapterId = bundle.getString("CHAPTERID");

        }

answered May 12 '16 at 07:06

KDeogharkar

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I use this sulution befor , but i getting null pointer exception in that – kiana rahimi May 12 '16 at 07:08
can you please share your code how you used it. – KDeogharkar May 12 '16 at 07:09
I use this topic , but i get null pointerexception http://stackoverflow.com/a/12739968/5620129 – kiana rahimi May 12 '16 at 07:11
this is valid . I think you have to check it from your side . you can paste your snippet of sending bundle so we can get idea what is the issue – KDeogharkar May 12 '16 at 07:13

Dixit Panchal · Answer 2 · 2016-05-12T07:13:52.390

0

You can do this type

Declare Two Methods

public String getChapterId()
{
    return chapterId;
}

and second methods

 public String getLessionId()
{
    return lessonId;
}

edited May 12 '16 at 07:13

answered May 12 '16 at 07:10

Dixit Panchal

3,406
1
11
14

This is not good sulution for this work – kiana rahimi May 12 '16 at 07:11
Yes i know but you cana... – Dixit Panchal May 12 '16 at 07:11

How can I create method for passing values from Activity to other components

2 Answers2