Move to other Activity
For Android, page transition means moving Activity.
To move other page, we use intent.
Example) Move from MainActivity to NextActivity
Add Activity data to AndroidManifest.xml
Code
Intent intent = new Intent(MainActivity.this, NextActivity.class); intent.putExtra("item", "Hi!"); startActivity(intent); //startActivityForResult(intent, 0);
If you want to add value to NextActivity, use putExtra. It’s key-value style
When backing MainActivity, if you need Result, use startActivityForResult
Receive data from previous Activity
@Override protected void onCreate ( Bundle savedInstanceState ) { super.onCreate(savedInstanceState); Intent intent = getIntent(); String hello = intent.getStringExtra("item"); }