Android Studio (send parameter from activity to another activity)

Question

Given two activities, MainActivity and DetailActivity, what is the necessary code to start the DetailActivity from MainActivity and send 2 parameters, one string and the other an integer, and how can you access the parameters in the newly started activity?

Can you explain to readers what you have discovered, by searching the internet and reading the manual? — halfer, Jun 21 '20 at 11:38
This is a duplicate https://stackoverflow.com/questions/3510649/how-to-pass-a-value-from-one-activity-to-another-in-android#:~:text=Standard%20way%20of%20passing%20data%20from%20one%20activity%20to%20another%3A&text=putString(%E2%80%9CONE%E2%80%9D%2C%20one,getExtra()%20to%20get%20data. — Shalu T D, Jun 21 '20 at 11:45
Does this answer your question? [How do I pass data between Activities in Android application?](https://stackoverflow.com/questions/2091465/how-do-i-pass-data-between-activities-in-android-application) — Shalu T D, Jun 21 '20 at 11:46
Please don't invalidate your question by mutilating it. If you want to thank people and signal that your question has been answered, accept the answer that most helped you. I have rolled back your edit. I recommend you familiarize yourself with how Stack Overflow works by taking the tour and reading the help center. — Mark Rotteveel, Jun 21 '20 at 12:57

score 1 · Answer 1 · answered Jun 21 '20 at 11:38

The easiest way to do this would be:

Intent intent = new Intent(getBaseContext(), DetailActivity.class);
intent.putExtra("MY_STRING", "hello");
intent.putExtra("MY_INT", 42);
startActivity(intent);

And to retrieve it:

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);
    
    String myString = getIntent().getStringExtra("MY_STRING");
    int myInt = getIntent().getIntExtra("MY_INT", 0); // 0 = default value

    // your code
}

from: https://stackoverflow.com/a/2091482/7292958

Anshuman singh · Answer 2 · 2020-06-21T11:56:11.790

0

First you need to create a new activity.
Then create an Intent in the main activity from where you want to move to the next one :

Intent intent=new Intent(getApplicationContext(),DetailActivity.class);

then send the parameters you want to send using:

      intent.putExtra("name",name);
       intent.putExtra("age",age);

then start the activity

startActivity(intent);

Go the the detailActivity and put this:

    Intent intent=getIntent();
            String name=intent.getStringExtra("name");
Integer age=intent.getStringExtra("age");

edited Jun 21 '20 at 11:56

answered Jun 21 '20 at 11:46

Anshuman singh

11
2

Intent intent = new Intent(MainActivity.this, DetailActivity.class); intent.putExtra("name", "John"); intent.putExtra("age", 22); – Johny Jun 21 '20 at 11:52
Intent intent = getIntent(); String suburb = intent.getStringExtra("name"); Integer age = intent.getIntExtra("age"); – Johny Jun 21 '20 at 11:53

score 0 · Answer 3 · answered Jun 21 '20 at 11:49

i'm suggest you to use Anko send data to another activity just like this

startActivity<DetailActivity>(
        "string" to "stringData",
        "int" to 0
    )

with this format "params" to "value" value can use variable, and you not need to add data type and get the data use intent

Android Studio (send parameter from activity to another activity)

3 Answers3