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Java
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package cc.niushuai.project.devcontrol;
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import android.content.Context;
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import android.os.Bundle;
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import androidx.appcompat.app.AppCompatActivity;
import androidx.navigation.NavController;
import androidx.navigation.Navigation;
import androidx.navigation.ui.NavigationUI;
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import com.google.android.material.bottomnavigation.BottomNavigationView;
import cc.niushuai.project.devcontrol.databinding.ActivityMainBinding;
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public class MainActivity extends AppCompatActivity {
private ActivityMainBinding activityMainBinding;
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@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
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();
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// 返回键 左上角以及右上角
// NavigationUI.setupActionBarWithNavController(this, navController, appBarConfiguration);
// 页签点击监听
// navController.addOnDestinationChangedListener(new NavController.OnDestinationChangedListener() {
// @Override
// public void onDestinationChanged(@NonNull NavController navController, @NonNull NavDestination navDestination, @Nullable Bundle bundle) {
// Toast.makeText(MainActivity.this, "onDestinationChanged Called: " + navDestination.getDisplayName(), Toast.LENGTH_SHORT).show();
// }
// });
// 底部导航栏
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// BottomNavigationView bottomNavView = this.findViewById(R.id.bottom_nav_view);
// 底部栏显示
NavigationUI.setupWithNavController(activityMainBinding.bottomNavView, navController);
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}
}