Question

i have two sub activities apart from main activity.

The sequence of calls go like this.

Main –> Sub_Activity1 ,then Sub_Activity1 returns to Main Activity.
Main —> Sub_Activity2, then Sub_Activity2 returns to Main Activity.

But it is not happening. As far i can see only the 2nd sub activity is getting called, it is skipping the first one . but when i disable/comment out one of the sub activities the other one is working well. but when i want to call one after another it is calling only the second one. where am i going wrong. here is my code

Main Activity:

public void onCreate(Bundle savedInstanceState)
{

    super.onCreate(savedInstanceState);

    setContentView(R.layout.main);

    btn = (Button) findViewById(R.id.btn1);
    txt = (TextView) findViewById(R.id.textview1);
    txt.setText("hello world");
    in1= new Intent(TestActivity.this,Number.class);
    //startActivity(in1);
    startActivityForResult(in1, MY_DATA_CHECKCODE);


    in2= new Intent(TestActivity.this,Message.class);
    //startActivity(in1);
    startActivityForResult(in2, MY_DATA_CHECKCODE1);

}


protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    if (requestCode == MY_DATA_CHECKCODE) {


        num= data.getStringExtra("number");
        if(num!=null)
        txt.setText(num);

    }

    else if (requestCode == MY_DATA_CHECKCODE1) {


        num= data.getStringExtra("number");
        if(num!=null)
        txt.setText(num);

    }

}

subactivity1 and subactivity2 codes are same which are used to add some string data to a new intent which can be retrieved in the main intent.

                     number = et.getText().toString().trim();

            in= new Intent();

            //in.putExtras(b);
            in.putExtra("number", number);
            setResult(Activity.RESULT_OK,in);

i have changed the variables to use different request codes as well. they are MY_DATA_CHECKCODE and MY_DATA_CHECKCODE1.is there anything wrong in handling the return values in onActivitResult function.please give me ur suggestions to fix this problem. i have googled and but could not find proper solution for it.

Answer 1

Android doc doesn’t say what happens if you call startActivityForResult twice.
I think you should put the call to the second activity in the onActivityResult for the first one.

At least this is the way I would do it