Transfer data from one Activity to Another Activity Using Intents

Question

I would like to be able to transfer data from one activity to another activity. How can this be done?

Answer 1

You just have to send extras while calling your intent

like this:

Intent intent = new Intent(getApplicationContext(), SecondActivity.class); intent.putExtra("Variable Name","Value you want to pass"); startActivity(intent);

Now on the OnCreate method of your SecondActivity you can fetch the extras like this

If the value u sent was in "long"

long value = getIntent().getLongExtra("Variable Name which you sent as an extra", defaultValue(you can give it anything));

If the value u sent was a "String"

String value = getIntent().getStringExtra("Variable Name which you sent as an extra");

If the value u sent was a "Boolean"

Boolean value = getIntent().getStringExtra("Variable Name which you sent as an extra",defaultValue);

Answer 2

When you passing data from one activity to another activity perform like this

In Parent activity:

startActivity(new Intent(presentActivity.this, NextActivity.class).putExtra("KEY_StringName",ValueData)); 

or like shown below in Parent activity

Intent intent  = new Intent(presentActivity.this,NextActivity.class);     
intent.putExtra("KEY_StringName", name);   
intent.putExtra("KEY_StringName1", name1);   
startActivity(intent);

In child Activity perform as shown below

TextView tv = ((TextView)findViewById(R.id.textViewID))
tv.setText(getIntent().getStringExtra("KEY_StringName"));

or do like shown below in child Activity

TextView tv = ((TextView)findViewById(R.id.textViewID));
TextView tv1 = ((TextView)findViewById(R.id.textViewID1))

/* Get values from Intent */
Intent intent = getIntent();         
String name  = intent.getStringExtra("KEY_StringName");
String name1  = intent.getStringExtra("KEY_StringName1");

tv.setText(name);
tv.setText(name1);