feat: 首页导航图

无法切换页面

app/src/main/java/cc/niushuai/project/devcontrol/MainActivity.java

@@ -1,14 +1,65 @@
 package cc.niushuai.project.devcontrol;
 
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.fragment.app.Fragment;
+import androidx.navigation.NavController;
+import androidx.navigation.Navigation;
+import androidx.navigation.fragment.NavHostFragment;
+import androidx.navigation.ui.AppBarConfiguration;
+import androidx.navigation.ui.NavigationUI;
 
 import android.os.Bundle;
+import android.view.Menu;
+
+import com.google.android.material.bottomnavigation.BottomNavigationView;
+
+import cc.niushuai.project.devcontrol.databinding.ActivityMainBinding;
 
 public class MainActivity extends AppCompatActivity {
 
+    private ActivityMainBinding activityMainBinding;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_main);
+
+        activityMainBinding = ActivityMainBinding.inflate(getLayoutInflater());
+        setContentView(activityMainBinding.getRoot());
+
+        // 设置底部导航栏
+        setBottomNavigationView();
+    }
+
+    /**
+     * 设置底部导航栏
+     *
+     * @author niushuai
+     * @date: 2022/10/13 10:42
+     */
+    private void setBottomNavigationView() {
+
+        // 导航栏控制器 获取navController的方式不同
+        // 方式一
+        NavController navController = Navigation.findNavController(this, R.id.main_nav_host_fragment_activity);
+        // 方式二
+//        NavHostFragment fragment = (NavHostFragment) getSupportFragmentManager().findFragmentById(R.id.main_nav_host_fragment_activity);
+//        NavController navController = fragment.getNavController();
+
+        // 顶部页签  右上角展开设置项
+//        AppBarConfiguration appBarConfiguration = new AppBarConfiguration.Builder(
+//                // 设备页签
+//                R.id.id_bottom_nav_menu_device,
+//                // 日志页签
+//                R.id.id_bottom_nav_menu_log,
+//                // 设置页签
+//                R.id.id_bottom_nav_menu_set
+//        ).build();
+//        NavigationUI.setupActionBarWithNavController(this, navController, appBarConfiguration);
+
+        // 底部导航栏
+        BottomNavigationView bottomNavView = this.findViewById(R.id.bottom_nav_view);
+
+        // 底部栏显示
+        NavigationUI.setupWithNavController(activityMainBinding.bottomNavView, navController);
     }
 }

app/src/main/java/cc/niushuai/project/devcontrol/ui/nav/main/device/NavDeviceFragment.java

@@ -0,0 +1,45 @@
+package cc.niushuai.project.devcontrol.ui.nav.main.device;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.fragment.app.Fragment;
+import androidx.lifecycle.ViewModelProvider;
+
+import cc.niushuai.project.devcontrol.databinding.MainNavFragmentDeviceBinding;
+
+/**
+ * 设备页面ui
+ *
+ * @author niushuai
+ * @date: 2022/10/13 10:58
+ */
+public class NavDeviceFragment extends Fragment {
+
+    private MainNavFragmentDeviceBinding navFragmentDeviceBinding;
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+
+        navFragmentDeviceBinding = MainNavFragmentDeviceBinding.inflate(inflater, container, false);
+
+        NavDeviceViewModel navDeviceViewModel = new ViewModelProvider(this).get(NavDeviceViewModel.class);
+        View rootView = navFragmentDeviceBinding.getRoot();
+
+        TextView textView = navFragmentDeviceBinding.navDeviceFragmentTextview;
+
+        navDeviceViewModel.getText().observe(getViewLifecycleOwner(), textView::setText);
+
+        return rootView;
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        navFragmentDeviceBinding = null;
+    }
+}

app/src/main/java/cc/niushuai/project/devcontrol/ui/nav/main/device/NavDeviceViewModel.java

@@ -0,0 +1,18 @@
+package cc.niushuai.project.devcontrol.ui.nav.main.device;
+
+import androidx.lifecycle.MutableLiveData;
+import androidx.lifecycle.ViewModel;
+
+public class NavDeviceViewModel extends ViewModel {
+
+    private final MutableLiveData<String> vText;
+
+    public NavDeviceViewModel() {
+        this.vText = new MutableLiveData<>();
+        this.vText.setValue("this is device view");
+    }
+
+    public MutableLiveData<String> getText() {
+        return this.vText;
+    }
+}

app/src/main/java/cc/niushuai/project/devcontrol/ui/nav/main/log/NavLogFragment.java

@@ -0,0 +1,41 @@
+package cc.niushuai.project.devcontrol.ui.nav.main.log;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.fragment.app.Fragment;
+import androidx.lifecycle.ViewModelProvider;
+
+import cc.niushuai.project.devcontrol.databinding.MainNavFragmentLogBinding;
+
+
+public class NavLogFragment extends Fragment {
+
+    private MainNavFragmentLogBinding navFragmentLogBinding;
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+
+        navFragmentLogBinding = MainNavFragmentLogBinding.inflate(inflater, container, false);
+
+        NavLogViewModel navLogViewModel = new ViewModelProvider(this).get(NavLogViewModel.class);
+        View rootView = navFragmentLogBinding.getRoot();
+
+        TextView textView = navFragmentLogBinding.navLogFragmentTextview;
+
+        navLogViewModel.getText().observe(getViewLifecycleOwner(), textView::setText);
+
+        return rootView;
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        navFragmentLogBinding = null;
+    }
+
+}

app/src/main/java/cc/niushuai/project/devcontrol/ui/nav/main/log/NavLogViewModel.java

@@ -0,0 +1,18 @@
+package cc.niushuai.project.devcontrol.ui.nav.main.log;
+
+import androidx.lifecycle.MutableLiveData;
+import androidx.lifecycle.ViewModel;
+
+public class NavLogViewModel extends ViewModel {
+
+    private final MutableLiveData<String> vText;
+
+    public NavLogViewModel() {
+        this.vText = new MutableLiveData<>();
+        this.vText.setValue("this is log view");
+    }
+
+    public MutableLiveData<String> getText() {
+        return this.vText;
+    }
+}

app/src/main/java/cc/niushuai/project/devcontrol/ui/nav/main/setup/NavSetUpFragment.java

@@ -0,0 +1,40 @@
+package cc.niushuai.project.devcontrol.ui.nav.main.setup;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.fragment.app.Fragment;
+import androidx.lifecycle.ViewModelProvider;
+
+import cc.niushuai.project.devcontrol.databinding.MainNavFragmentSetUpBinding;
+
+
+public class NavSetUpFragment extends Fragment {
+
+    private MainNavFragmentSetUpBinding navFragmentSetUpBinding;
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+
+        navFragmentSetUpBinding = MainNavFragmentSetUpBinding.inflate(inflater, container, false);
+
+        NavSetUpViewModel navSetUpViewModel = new ViewModelProvider(this).get(NavSetUpViewModel.class);
+        View rootView = navFragmentSetUpBinding.getRoot();
+
+        TextView textView = navFragmentSetUpBinding.navSetupFragmentTextview;
+
+        navSetUpViewModel.getText().observe(getViewLifecycleOwner(), textView::setText);
+
+        return rootView;
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        navFragmentSetUpBinding = null;
+    }
+}

app/src/main/java/cc/niushuai/project/devcontrol/ui/nav/main/setup/NavSetUpViewModel.java

@@ -0,0 +1,18 @@
+package cc.niushuai.project.devcontrol.ui.nav.main.setup;
+
+import androidx.lifecycle.MutableLiveData;
+import androidx.lifecycle.ViewModel;
+
+public class NavSetUpViewModel extends ViewModel {
+    private final MutableLiveData<String> vText;
+
+    public NavSetUpViewModel() {
+        this.vText = new MutableLiveData<>();
+        this.vText.setValue("this is setup view");
+    }
+
+    public MutableLiveData<String> getText() {
+        return this.vText;
+    }
+
+}

app/src/main/res/layout/activity_main.xml

@@ -1,18 +1,35 @@
 <?xml version="1.0" encoding="utf-8"?>
 <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/id_am_container"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".MainActivity">
+    android:paddingTop="?attr/actionBarSize">
 
-    <TextView
+    <com.google.android.material.bottomnavigation.BottomNavigationView
-        android:layout_width="wrap_content"
+        android:id="@+id/bottom_nav_view"
+        android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:text="Hello World!"
+        android:layout_marginStart="0dp"
+        android:layout_marginEnd="0dp"
+        android:background="?android:attr/windowBackground"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintLeft_toLeftOf="parent"
         app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        app:menu="@menu/main_nav_menu" />
+
+    <fragment
+        android:id="@+id/main_nav_host_fragment_activity"
+        android:name="androidx.navigation.fragment.NavHostFragment"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:defaultNavHost="true"
+        app:layout_constraintBottom_toTopOf="@id/bottom_nav_view"
+        app:layout_constraintHorizontal_bias="0.0"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="1.0"
+        app:navGraph="@navigation/main_navigation" />
 
 </androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/main_nav_fragment_device.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout 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"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    tools:context=".ui.nav.main.device.NavDeviceFragment">
+
+    <TextView
+        android:id="@+id/nav_device_fragment_textview"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:textAlignment="center"
+        android:text="@string/hello_blank_fragment"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"/>
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/main_nav_fragment_log.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout 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"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    tools:context=".ui.nav.main.log.NavLogFragment">
+
+    <TextView
+        android:id="@+id/nav_log_fragment_textview"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:textAlignment="center"
+        android:text="@string/hello_blank_fragment"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"/>
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/main_nav_fragment_set_up.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.nav.main.setup.NavSetUpFragment">
+
+    <TextView
+        android:id="@+id/nav_setup_fragment_textview"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:text="@string/hello_blank_fragment"
+        android:textAlignment="center"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item
+        android:id="@+id/id_bottom_nav_menu_device"
+        android:icon="@drawable/ic_home"
+        android:title="@string/title_bottom_nav_menu_device" />
+
+    <item
+        android:id="@+id/id_bottom_nav_menu_log"
+        android:icon="@drawable/ic_log"
+        android:title="@string/title_bottom_nav_menu_log" />
+
+    <item
+        android:id="@+id/id_bottom_nav_menu_set"
+        android:icon="@drawable/ic_dashboard"
+        android:title="@string/title_bottom_nav_menu_set" />
+
+</menu>

app/src/main/res/navigation/main_navigation.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<navigation xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main_navigation"
+    app:startDestination="@id/navDeviceFragment">
+
+    <fragment
+        android:id="@+id/navDeviceFragment"
+        android:name="cc.niushuai.project.devcontrol.ui.nav.main.device.NavDeviceFragment"
+        android:label="@string/title_bottom_nav_menu_device"
+        tools:layout="@layout/main_nav_fragment_device" />
+    <fragment
+        android:id="@+id/navLogFragment"
+        android:name="cc.niushuai.project.devcontrol.ui.nav.main.log.NavLogFragment"
+        android:label="@string/title_bottom_nav_menu_log"
+        tools:layout="@layout/main_nav_fragment_log" />
+    <fragment
+        android:id="@+id/navSetUpFragment"
+        android:name="cc.niushuai.project.devcontrol.ui.nav.main.setup.NavSetUpFragment"
+        android:label="@string/title_bottom_nav_menu_set"
+        tools:layout="@layout/main_nav_fragment_set_up" />
+</navigation>

app/src/main/res/values/ids.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- 首页 底部导航栏 start-->
+    <item name="id_bottom_nav_menu_device" type="id"/>
+    <item name="id_bottom_nav_menu_log" type="id"/>
+    <item name="id_bottom_nav_menu_set" type="id"/>
+    <!-- 首页 底部导航栏 end-->
+
+</resources>

app/src/main/res/values/strings.xml

@@ -1,3 +1,10 @@
 <resources>
     <string name="app_name">DevControl</string>
+    <!-- 首页 底部导航栏 start-->
+    <string name="title_bottom_nav_menu_device">设备</string>
+    <string name="title_bottom_nav_menu_log">日志</string>
+    <string name="title_bottom_nav_menu_set">设置</string>
+    <!-- TODO: Remove or change this placeholder text -->
+    <string name="hello_blank_fragment">Hello blank fragment</string>
+    <!-- 首页 底部导航栏 end-->
 </resources>