我正在使用导航喷气背包并设置了抽屉导航。每件事都运转良好。但问题是我想在用户单击“nav_share”时显示 toast ,但它没有显示......
这是我制作抽屉导航的方法
DrawerLayout drawer = findViewById(R.id.drawer_layout);
NavigationView navigationView = findViewById(R.id.nav_view);
navigationView.setNavigationItemSelectedListener(this);
mAppBarConfiguration = new AppBarConfiguration.Builder(
R.id.navigation_home, R.id.navigation_dashboard, R.id.navigation_plan, R.id.navigation_notifications)
.setDrawerLayout(drawer)
.build();
NavController navController = Navigation.findNavController(this, R.id.nav_host_fragment);
NavigationUI.setupActionBarWithNavController(this, navController, mAppBarConfiguration);
NavigationUI.setupWithNavController(navigationView, navController);
我的抽屉导航菜单是
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
tools:showIn="navigation_view">
<group android:checkableBehavior="single">
<item
android:id="@+id/nav_home"
android:icon="@drawable/ic_menu_camera"
android:title="@string/menu_home" />
<item
android:id="@+id/nav_gallery"
android:icon="@drawable/ic_menu_gallery"
android:title="@string/menu_gallery" />
<item
android:id="@+id/nav_slideshow"
android:icon="@drawable/ic_menu_slideshow"
android:title="@string/menu_slideshow" />
<item
android:id="@+id/nav_tools"
android:icon="@drawable/ic_menu_manage"
android:title="@string/menu_tools" />
</group>
<item android:title="Communicate">
<menu>
<item
android:id="@+id/nav_share"
android:icon="@drawable/ic_menu_share"
android:title="@string/menu_share" />
<item
android:id="@+id/nav_send"
android:icon="@drawable/ic_menu_send"
android:title="@string/menu_send" />
</menu>
</item>
</menu>
最后:
@Override
public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) {
int id = menuItem.getItemId();
if (id == R.id.nav_share)
Toast.makeText(LauncherActivity.this, "Click", Toast.LENGTH_SHORT).show();
DrawerLayout drawer = findViewById(R.id.drawer_layout);
drawer.closeDrawer(GravityCompat.START);
return true;
}
我想要那个点击 toast ...我看不到我错过了什么...
最佳答案
如果有人想要答案......我做了一些研究,终于找到了解决方案......希望它有所帮助......
NavigationView navigationView = findViewById(R.id.nav_view);
MenuItem shareItem = navigationView.getMenu().findItem(R.id.nav_share);
shareItem.setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
@Override
public boolean onMenuItemClick(MenuItem item) {
Toast.makeText(LauncherActivity.this, "click", Toast.LENGTH_SHORT).show();
//do as you want with the button click
DrawerLayout drawer = findViewById(R.id.drawer_layout);
drawer.closeDrawer(GravityCompat.START);
return true;
}
});
关于Android jetpack组件-抽屉导航上的toast点击,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/58971853/