我有一个导航抽屉,该抽屉与抽屉图标完全兼容,但是,如果我从导航抽屉活动移到我的任何片段,也会显示后退箭头,但是在单击后退箭头时,导航抽屉打开了,我只想将我的操作设置为单击后退按钮,而不是打开抽屉。请帮助我纠正此问题。
我的抽屉活动代码在下面
toggle?.setDrawerIndicatorEnabled(false);
drawer_layout.addDrawerListener(toggle!!)
toggle!!.syncState()
val header = (findViewById<NavigationView>(R.id.nav_view)).getHeaderView(0)
toggle!!.isDrawerIndicatorEnabled = false
toggle!!.setHomeAsUpIndicator(R.drawable.ic_profile_icon)
usernameTv = header.findViewById(R.id.username_tv)
profileImage = header.findViewById(R.id.profile_image_user)
userDesigTv = header.findViewById(R.id.user_designation_tv)
pointsTv = header.findViewById(R.id.points_tv)
userPhotoImv = header.findViewById(R.id.profile_image)
headerLayout = header.findViewById(R.id.header_layout_profile_edit)
mainWidgetBottomMenuLayout = findViewById(R.id.main_widget)
addProductTv = findViewById(R.id.add_products_tv);
createJobTv = findViewById(R.id.create_job_tv);
createPostTv = findViewById(R.id.create_post_tv);
closeBtn = findViewById(R.id.close_btn);
bottomNavigationView = findViewById(R.id.navigation)
drawer = findViewById<DrawerLayout>(R.id.drawer_layout)
navigationView = findViewById(R.id.nav_view)
toggle?.setToolbarNavigationClickListener {
if (drawer!!.isDrawerOpen(GravityCompat.START)) {
drawer!!.closeDrawer(GravityCompat.START)
} else {
drawer!!.openDrawer(GravityCompat.START)
}
}
navigationView?.setNavigationItemSelectedListener(this)
loginSession =
Session(
this
)
val isloggedin = loginSession!!.isLoggedIn
addProductTv?.setOnClickListener()
{
}
createJobTv?.setOnClickListener()
{
val fragmentTransaction1 = supportFragmentManager.beginTransaction()
fragmentTransaction1.replace(R.id.container, JobPostFragment())
.addToBackStack(null)
fragmentTransaction1.commit()
closeBottomSheet()
}
createPostTv?.setOnClickListener()
{
}
closeBtn?.setOnClickListener()
{
closeBottomSheet()
}
val fragmentTransaction1 = supportFragmentManager.beginTransaction()
fragmentTransaction1.replace(R.id.container, FeedsViewFragment())
.addToBackStack(null)
fragmentTransaction1.commit()
viewmodel = ViewModelProviders.of(this, factory).get(LoginViewModel::class.java)
viewmodel?.getLoggedInUser()?.observe(this, Observer { it ->
setData(it)
})
if (isloggedin && loginSession!!.loginDetails.get(Constants.USERTYPE).equals(Constants.COMPANY)) {
populateMenuForCompanies()
} else if (isloggedin && loginSession!!.loginDetails.get(Constants.USERTYPE).equals(
Constants.INDIVIDUAL
)
) {
populateMenuForIndividual()
}
在我的片段中
重写onViewCreated的乐趣(视图:View,savedInstanceState:捆绑包?){
(activity as AppCompatActivity).supportActionBar!!.setDisplayHomeAsUpEnabled(true)
(activity as AppCompatActivity).supportActionBar!!.setDisplayShowHomeEnabled(true)
super.onViewCreated(view, savedInstanceState)
}
请让我知道如何在单击后退箭头时返回上一个片段,而不是打开导航抽屉。
任何帮助将不胜感激