Android Activity Parameter Pass

The Android activity parameter passed through the online data collection finally tested successfully, can be passed between two activity parameters. Post some code first (the key code is commented), for reference only.

The first of the Activity:activity_main

Importing related Packages

Import Android.os.Bundle;
Import Android.view.Menu;
Import Android.view.MenuItem;
Import Android.view.View;
Import Android.view.View.OnClickListener;
Import Android.util.Log;
Import Android.widget.Button;
Import Android.widget.TextView;
Import android.content.Intent;
Import android.app.Activity;

button to pass parameters:

Private Button BT;
Private TextView TW1;

protected void OnCreate (Bundle savedinstancestate) {
Super.oncreate (savedinstancestate);
Setcontentview (R.layout.activity_main);
bt= (Button) Findviewbyid (r.id.btnback);
tw1= (TextView) Findviewbyid (R.ID.EDTREC);
Bt.setonclicklistener (New Onclicklistener () {
@Override
public void OnClick (View v) {
TODO auto-generated Method Stub
Intent it= new Intent ();
Passing parameters
It.putextra ("Name", Tw1.gettext (). toString ());
It.setclass (Mainactivity.this, Showinfo.class);
StartActivity (IT); Do not receive return values
Startactivityforresult (it, 1);//Receive return value here the parameter must be >0 otherwiseOnactivityresult cannot execute

MainActivity.this.finish (); Terminate activity

}
});
}

Receive return Parameters: The front button must be set to Startactivityforresult (it, 1); Receive return value

/**
* Receive the activity method with return value
*/
@Override
protected void Onactivityresult (int requestcode, int resultcode, Intent data)
{

Super.onactivityresult (Requestcode, ResultCode, data);
LOG.I ("Main", "Requestcode:" +requestcode+ "ResultCode:" +resultcode);
Here Requestcode=1,resultcode=-1
if (Requestcode = = 1) {
Tw1.settext (Data.getstringextra ("return"));
}
Tw1.settext (Data.getstringextra ("return"));

}

A second activity showinfo:

private TextView TV1;
Private Button Btnback;
@Override
protected void OnCreate (Bundle savedinstancestate) {
Super.oncreate (savedinstancestate);
Setcontentview (R.layout.activity_show_info);
New page receives data

Intent intent=this.getintent ();
String Name=intent.getstringextra ("name");
LOG.I ("Gets the name value to", name);
TV1 = (TextView) Findviewbyid (R.ID.EDTREC);
Tv1.settext ("The value passed is:" +name);

btnback= (Button) Findviewbyid (r.id.btnback);//define Return button
Btnback.setonclicklistener (New Onclicklistener ()
{

@Override
public void OnClick (View v)//return button pass parameter to main page
{
Intent intent=new Intent ();
Intent.putextra ("Return", Tv1.gettext (). toString ()); Passing parameters to return
Setresult (RESULT_OK, intent);
Finish (); Close Current Activity

}
});

}

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Android Activity Parameter Pass