Activtiy1 to Adaper to Activity2 ，and how to use the Activity1 data in Activtiy2

Question

I have two Activies, named Activtiy1 and Activity2, and one Adapter. Activity1 use the adapter, and in the adapter, I use intent to jump to Activiy2. My problem is that Activity2 wants to use the data from Activiy1, but I have no simple way to come through. I want a simple way to solve this problem.

Answer 1

Options:

1. When creating an intent, put the data in a bundle http://developer.android.com/reference/android/os/Bundle.html, and add it to the intent.
2. Take a look at the singleton design pattern. Create the object in one activity and it will be accessibly to the other activity.
3. If all your data are primitive types, you can use intent.putExtra(..,..);

Answer 2

In activity-1 start activity-2

       Intent i = new Intent(activity1.this, activity2.class);
         i.putExtra("Key","your data");
        StartActivity(i);

and in second activity get data from first activity

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

             String data = getIntent.getExtra("key");
             Toast.makeText(getApplicationContext(), "This is data"+data, Toast.LENGTH_SHORT).show();
           }