解决切换夜间模式后Toolbar标题与内容不符的bug

app/src/main/java/com/wjx/android/wanandroidmvvm/base/view/BaseActivity.kt

@@ -9,7 +9,6 @@ import android.view.MenuItem
 import android.view.View
 import android.view.ViewGroup
 import androidx.appcompat.app.AppCompatActivity
-import androidx.appcompat.widget.Toolbar
 import androidx.core.graphics.ColorUtils
 import com.kingja.loadsir.core.LoadService
 import com.kingja.loadsir.core.LoadSir
@@ -111,25 +110,10 @@ abstract class BaseActivity : AppCompatActivity() {
         }
     }
 
-
     fun setUpReveal(savedInstanceState: Bundle?) {
         setReveal(savedInstanceState)
     }
 
-    /**
-     *  设置标题
-     */
-    fun setToolBarTitle(toolbar: Toolbar, title: String) {
-        toolbar.title = title
-        setSupportActionBar(toolbar)
-        val supportActionBar = supportActionBar
-
-        supportActionBar?.let {
-            it.setDisplayHomeAsUpEnabled(true)
-            it.setDisplayShowHomeEnabled(true)
-        }
-    }
-
     /**
      *  设置返回
      */

app/src/main/java/com/wjx/android/wanandroidmvvm/common/utils/Constant.kt

@@ -22,8 +22,8 @@ object Constant {
     const val NIGHT_MODE = "night_mode"
 
     const val HOME = 0
-    const val WECHAT = 1
-    const val SYSTEM = 2
+    const val SYSTEM = 1
+    const val WECHAT = 2
     const val NAVIGATION = 3
     const val PROJECT = 4
 

app/src/main/java/com/wjx/android/wanandroidmvvm/ui/activity/MainActivity.kt

@@ -16,6 +16,7 @@ import android.view.View
 import android.view.animation.AccelerateDecelerateInterpolator
 import android.widget.Toast
 import androidx.appcompat.app.ActionBarDrawerToggle
+import androidx.appcompat.widget.Toolbar
 import androidx.core.content.ContextCompat
 import androidx.fragment.app.Fragment
 import androidx.lifecycle.Observer
@@ -66,9 +67,12 @@ class MainActivity : BaseActivity(), LoginSuccessListener {
         Manifest.permission.READ_EXTERNAL_STORAGE
     )
 
+    private lateinit var mToolbarTitles: List<String>
+
     override fun getLayoutId(): Int = R.layout.activity_main
 
     override fun initView() {
+        initToolbarTitles()
         initToolBar()
         initDrawerLayout()
         initFabButton()
@@ -97,9 +101,17 @@ class MainActivity : BaseActivity(), LoginSuccessListener {
         switchFragment(mLastIndex)
     }
 
+    private fun initToolbarTitles() {
+        mToolbarTitles = arrayListOf(
+            getString(R.string.navigation_home),
+            getString(R.string.navigation_system),
+            getString(R.string.navigation_wechat),
+            getString(R.string.navigation_navigation),
+            getString(R.string.navigation_project)
+        )
+    }
+
     private fun initToolBar() {
-        // 设置标题
-        setToolBarTitle(toolbar, getString(R.string.navigation_home))
         //设置导航图标、按钮有旋转特效
         val toggle = ActionBarDrawerToggle(
             this, drawer_main, toolbar, R.string.app_name, R.string.app_name
@@ -207,31 +219,26 @@ class MainActivity : BaseActivity(), LoginSuccessListener {
             when (menuItem.itemId) {
                 R.id.menu_home -> {
                     fab_add.visibility = View.VISIBLE
-                    setToolBarTitle(toolbar, getString(R.string.navigation_home))
                     switchFragment(Constant.HOME)
                     return@setOnNavigationItemSelectedListener true
                 }
-                R.id.menu_wechat -> {
+                R.id.menu_system -> {
                     fab_add.visibility = View.GONE
-                    setToolBarTitle(toolbar, getString(R.string.navigation_wechat))
-                    switchFragment(Constant.WECHAT)
+                    switchFragment(Constant.SYSTEM)
                     return@setOnNavigationItemSelectedListener true
                 }
-                R.id.menu_system -> {
+                R.id.menu_wechat -> {
                     fab_add.visibility = View.GONE
-                    setToolBarTitle(toolbar, getString(R.string.navigation_system))
-                    switchFragment(Constant.SYSTEM)
+                    switchFragment(Constant.WECHAT)
                     return@setOnNavigationItemSelectedListener true
                 }
                 R.id.menu_navigation -> {
                     fab_add.visibility = View.GONE
-                    setToolBarTitle(toolbar, getString(R.string.navigation_navigation))
                     switchFragment(Constant.NAVIGATION)
                     return@setOnNavigationItemSelectedListener true
                 }
                 R.id.menu_project -> {
                     fab_add.visibility = View.GONE
-                    setToolBarTitle(toolbar, getString(R.string.navigation_project))
                     switchFragment(Constant.PROJECT)
                     return@setOnNavigationItemSelectedListener true
                 }
@@ -240,11 +247,6 @@ class MainActivity : BaseActivity(), LoginSuccessListener {
         }
     }
 
-    override fun onCreateOptionsMenu(menu: Menu?): Boolean {
-        menuInflater.inflate(R.menu.search_menu, menu)
-        return super.onCreateOptionsMenu(menu)
-    }
-
     private fun switchFragment(index: Int) {
         val fragmentManager = supportFragmentManager
         val transaction =
@@ -275,6 +277,7 @@ class MainActivity : BaseActivity(), LoginSuccessListener {
         }
         transaction.commit()
         mLastIndex = index
+        setToolBarTitle(toolbar, mToolbarTitles[mLastIndex])
     }
 
     private fun getFragment(index: Int): Fragment {
@@ -292,6 +295,21 @@ class MainActivity : BaseActivity(), LoginSuccessListener {
         return fragment!!
     }
 
+    fun setToolBarTitle(toolbar: Toolbar, title: String) {
+        toolbar.title = title
+        setSupportActionBar(toolbar)
+        val supportActionBar = supportActionBar
+        supportActionBar?.let {
+            it.setDisplayHomeAsUpEnabled(true)
+            it.setDisplayShowHomeEnabled(true)
+        }
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu?): Boolean {
+        menuInflater.inflate(R.menu.search_menu, menu)
+        return super.onCreateOptionsMenu(menu)
+    }
+
     @SuppressLint("WrongConstant")
     override fun onOptionsItemSelected(item: MenuItem?): Boolean {
         when (item?.itemId) {

app/src/main/java/com/wjx/android/wanandroidmvvm/ui/setting/SettingFragment.kt

@@ -79,7 +79,6 @@ class SettingFragment : PreferenceFragmentCompat(),
             } else {
                 ColorUtil.setColor(ColorUtil.getLastColor(parentActivity))
             }
-//            RecreateEvent().post()
             true
         }
 

app/src/main/res/menu/navigation_bottom_menu.xml

@@ -3,24 +3,24 @@
     <item
         android:id="@+id/menu_home"
         android:checked="true"
-        android:icon="@mipmap/navigation_home"
+        android:icon="@drawable/navigation_home"
         android:title="@string/navigation_home" />
 
     <item
         android:id="@+id/menu_system"
-        android:icon="@mipmap/navigation_system"
+        android:icon="@drawable/navigation_system"
         android:title="@string/navigation_system" />
     <item
         android:id="@+id/menu_wechat"
-        android:icon="@mipmap/navigation_wechat"
+        android:icon="@drawable/navigation_wechat"
         android:title="@string/navigation_wechat" />
     <item
         android:id="@+id/menu_navigation"
-        android:icon="@mipmap/navigation_navigation"
+        android:icon="@drawable/navigation_navigation"
         android:title="@string/navigation_navigation" />
 
     <item
         android:id="@+id/menu_project"
-        android:icon="@mipmap/navigation_project"
+        android:icon="@drawable/navigation_project"
         android:title="@string/navigation_project" />
 </menu>