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Asked: 2026-06-17T10:13:00+00:00

I am using onActivityResult to get the data from the previous intent and it

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I am using onActivityResult to get the data from the previous intent and it is work fine. 

@Override
    public void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        switch (requestCode) {
        case (11): {
            newPosition = data.getIntExtra("position", 0);
            break;
        }
        }
    }

But the issue is occur when I use action bar back button to go back to the previous intent. It is giving this following error:

01-10 15:33:34.128: E/AndroidRuntime(642): FATAL EXCEPTION: main
01-10 15:33:34.128: E/AndroidRuntime(642): java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=11, result=0, data=null} to activity {com.cogneti/com.cogneti.ui.recall.TestActivity}: java.lang.NullPointerException
01-10 15:33:34.128: E/AndroidRuntime(642):  at android.app.ActivityThread.deliverResults(ActivityThread.java:2726)
01-10 15:33:34.128: E/AndroidRuntime(642):  at android.app.ActivityThread.handleSendResult(ActivityThread.java:2769)
01-10 15:33:34.128: E/AndroidRuntime(642):  at android.app.ActivityThread.access$2000(ActivityThread.java:123)
01-10 15:33:34.128: E/AndroidRuntime(642):  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1023)
01-10 15:33:34.128: E/AndroidRuntime(642):  at android.os.Handler.dispatchMessage(Handler.java:99)
01-10 15:33:34.128: E/AndroidRuntime(642):  at android.os.Looper.loop(Looper.java:126)
01-10 15:33:34.128: E/AndroidRuntime(642):  at android.app.ActivityThread.main(ActivityThread.java:3997)
01-10 15:33:34.128: E/AndroidRuntime(642):  at java.lang.reflect.Method.invokeNative(Native Method)
01-10 15:33:34.128: E/AndroidRuntime(642):  at java.lang.reflect.Method.invoke(Method.java:491)
01-10 15:33:34.128: E/AndroidRuntime(642):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:841)
01-10 15:33:34.128: E/AndroidRuntime(642):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:599)
01-10 15:33:34.128: E/AndroidRuntime(642):  at dalvik.system.NativeStart.main(Native Method)
01-10 15:33:34.128: E/AndroidRuntime(642): Caused by: java.lang.NullPointerException
01-10 15:33:34.128: E/AndroidRuntime(642):  at com.cogneti.ui.recall.TestActivity.onActivityResult(TestActivity.java:221)
01-10 15:33:34.128: E/AndroidRuntime(642):  at android.app.Activity.dispatchActivityResult(Activity.java:4483)
01-10 15:33:34.128: E/AndroidRuntime(642):  at android.app.ActivityThread.deliverResults(ActivityThread.java:2722)
01-10 15:33:34.128: E/AndroidRuntime(642):  ... 11 more

It is working fine when I use default back button.

I setresult in onBackPressed() method.

@Override
    public void onBackPressed() {
        Intent resultIntent = new Intent();
        resultIntent.putExtra("position", selectedPosition);
        setResult(Activity.RESULT_OK, resultIntent);
        super.onBackPressed();
    };
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1 Answer

  1. Editorial Team

    Ok,

    Make a Function of result data with code.

    Intent resultIntent = new Intent();
resultIntent.putExtra("position", selectedPosition);
setResult(Activity.RESULT_OK, resultIntent);

    And call this function from onStop() or onDestroy() of Previous Activity.

    Actually I think When you press Back from Action Bar public void onBackPressed() is not called, so you have to call this code in onStop() or onDestroy() of activity.

    Update:

    I think this will called when you press back on Action Bar

    @Override
public boolean onOptionsItemSelected(MenuItem item) {
    if (item.getItemId() == android.R.id.home) {
    // Here write your set Result on Intent code..          
    finish();
    return true;
}
 return super.onOptionsItemSelected(item);
}
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