How to jump through the activity when clicking on the up, back button?

Question

Android

Activity chain A > B > C > D
B D pressed "back", should return not to C, but to B

Answer 1

When adding an activity, AndroidManifest.xmlset a flag . android:noHistory="true"
For example LoginActivity, then the activity will not be present in the history chain.

<activity
  android:name="ru.habrahabr.toster.LoginActivity"
  android:label="@string/title_activity_login"
  android:noHistory="true"
  android:screenOrientation="portrait"
  android:theme="@android:style/Theme.NoTitleBar" >
</activity>

Answer 2

@Override
    public void onBackPressed() {
        Intent  intent = new Intent(this, B.class);
        startActivity(intent);
    }