我可能会错过一些非常简单的东西，但我确实需要一些帮助。
我有一个活动，在其中我想加载具有不同内容和不同工具栏样式（即具有自定义视图和CollapsingToolbarLayout（其中还包含自定义布局））的不同片段。同时，我希望有一个抽屉的一个实例，可以通过单个活动（即MainActivity）访问。
我已经查看了示例，以找到类似的内容，但它们所有都使用新的活动来填充其内容，或者仅隐藏/显示不适用于我的情况的工具栏内容，因为我对于每个片段都有自定义工具栏视图，因此我无法找出布局视图的顺序。我浏览过的一些解决方案如下：
TL;DR
对于一个片段，我想要以下工具栏：
而对于其他片段
编辑：
这不是一份干净的代码，但它是可工作的。我只是想向您展示。您可以使用类似BaseFragment的东西来构建更好的代码结构。在MainFragment中，您可以使用导航抽屉，在DetailFragment中，您可以在工具栏上使用返回箭头。如果您想要，您还可以在DetailFragment中使用导航视图。此外，您可以在任何您喜欢的片段中使用可折叠工具栏。
MainActivity
class MainActivity : AppCompatActivity() {
private var actionBarToggle : ActionBarDrawerToggle? = null
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
setUpNavigationList()
if (savedInstanceState == null){
supportFragmentManager
.beginTransaction()
.replace(R.id.frame_container, MainFragment())
.addToBackStack(null)
.commit()
}
}
override fun onOptionsItemSelected(item: MenuItem?): Boolean {
when(item!!.itemId){
android.R.id.home -> onBackPressed()
}
return true
}
fun setActionBarDrawerToggle(toolbar: Toolbar){
actionBarToggle = ActionBarDrawerToggle(this, drawer_layout, toolbar, R.string.drawer_open, R.string.drawer_close)
actionBarToggle?.syncState()
drawer_layout.closeDrawer(Gravity.START)
}
fun lockDrawer(lock: Boolean){
val lockMode = if (lock) DrawerLayout.LOCK_MODE_LOCKED_CLOSED else DrawerLayout.LOCK_MODE_UNLOCKED
drawer_layout.setDrawerLockMode(lockMode)
actionBarToggle?.isDrawerIndicatorEnabled = lock
}
private fun setUpNavigationList(){
val items = arrayListOf("Detail Fragment")
val adapter = ArrayAdapter(this, android.R.layout.simple_list_item_1, items)
list_navigation.adapter = adapter
list_navigation.setOnItemClickListener { parent, view, position, id ->
when (position){
0 -> {
supportFragmentManager
.beginTransaction()
.replace(R.id.frame_container, DetailFragment())
.addToBackStack(null)
.commit()
}
}
drawer_layout.closeDrawer(Gravity.START)
}
}
}
MainFragment
class MainFragment() : Fragment() {
override fun onCreateView(inflater: LayoutInflater?, container: ViewGroup?,
savedInstanceState: Bundle?): View? {
// Inflate the layout for this fragment
return inflater!!.inflate(R.layout.fragment_main, container, false)
}
override fun onActivityCreated(savedInstanceState: Bundle?) {
super.onActivityCreated(savedInstanceState)
(activity as AppCompatActivity).setSupportActionBar(toolbar_detail)
(activity as MainActivity).lockDrawer(false)
(activity as MainActivity).setActionBarDrawerToggle(toolbar_main)
}
}
class DetailFragment() : Fragment() {
override fun onCreateView(inflater: LayoutInflater?, container: ViewGroup?,
savedInstanceState: Bundle?): View? {
// Inflate the layout for this fragment
return inflater!!.inflate(R.layout.fragment_detail, container, false)
}
override fun onActivityCreated(savedInstanceState: Bundle?) {
super.onActivityCreated(savedInstanceState)
(activity as MainActivity).setSupportActionBar(toolbar_detail)
(activity as MainActivity).lockDrawer(true)
(activity as MainActivity).supportActionBar!!.setDisplayHomeAsUpEnabled(true)
}
}
主活动布局
<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.coskun.drawer.MainActivity">
<FrameLayout
android:id="@+id/frame_container"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<ListView
android:id="@+id/list_navigation"
android:layout_width="150dp"
android:layout_height="match_parent"
android:background="@color/colorPrimary"
android:layout_gravity="start"/>
</android.support.v4.widget.DrawerLayout>
主碎片布局
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context="com.coskun.drawer.DetailFragment">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar_main"
android:layout_width="match_parent"
android:layout_height="?actionBarSize"
android:background="@color/colorPrimary"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/main_fragment"/>
</LinearLayout>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context="com.coskun.drawer.DetailFragment">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar_detail"
android:layout_width="match_parent"
android:layout_height="?actionBarSize"
android:background="@color/colorAccent"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/detail_fragment"/>
</LinearLayout>
You can define navigation drawer logic in activity and you can use separate toolbars for each fragment. You just need to sync state navigation drawer state with fragment toolbars.
fun setActionBarDrawerToggle(toolbar: Toolbar){
actionBarToggle = ActionBarDrawerToggle(this, drawerLayout, toolbar, R.string.drawer_open, R.string.drawer_close)
actionBarToggle?.syncState()
drawerLayout.closeDrawer(Gravity.START)
}
fun lockDrawer(lock: Boolean){
val lockMode = if (lock) DrawerLayout.LOCK_MODE_LOCKED_CLOSED else DrawerLayout.LOCK_MODE_UNLOCKED
drawerLayout.setDrawerLockMode(lockMode)
actionBarToggle?.isDrawerIndicatorEnabled = lock
}