Android transmits data between two activities

Source: Internet
Author: User

 

Caller activity:
Public   Void Callactivity {
// Package data and pass it into the called Activity
Intent intent =   New Intent ();
Intent. setclass ( This , Testactivity2. Class );
Bundle bundle =   New Bundle ();
Bundle. putstring ( " Data " , " Data " );
Intent. putextras (bundle );
This . Startactivityforresult (intent, 0 );
}

@ Override
Protected   Void Onactivityresult ( Int Requestcode, Int Resultcode, intent data ){
// Receives the data returned by the called activity.
Switch (Resultcode ){
Case Result_ OK:
String data = Data. getextras (). getstring ( " Data " );
Break ;
}
}

Called activity:
Public   Void Returndata (){
Intent in =   This . Getintent ();
Bundle bn = In. getextras ();
BN. putstring ( " Data " , " Return data " );
In. putextras (BN );
This . Setresult (result_ OK, In );
}

 

 

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