Android Studio 打开导航抽屉使用片段和手柄后退按钮按下

Question

i have create a navigation drawer using fragments which is working fine. The problem is when i click on back button in any fragment it it navigates me to login activity. how to handle the back button press in fragments??

Answer 1

You have to override onBackPressed().

@Override
public void onBackPressed() {
    if (this.drawerLayout.isDrawerOpen(GravityCompat.START)) {
        this.drawerLayout.closeDrawer(GravityCompat.START);
    } else {
        super.onBackPressed();
    }
}

Answer 2

Visit below Stackoverflow link where i put solution stepwise to handle multiple fragment on backpress. StackOverFlow Answer