У меня есть навигационный ящик с отлично работающими фрагментами, и элементы выбираются, когда я их выбираю.Но когда я открываю свое приложение, оно показывает первый элемент Навигационного Ящика, но когда я открываю ящик, элемент не проверяется, пока я не коснусь его.
Ящик навигации xml:
<?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">
<item android:title="Navegador">
<menu android:checkableBehavior="single">
<item
android:id="@+id/nav_inventario"
android:icon="@drawable/ic_inventario"
android:checkable="true"
android:title="Inventario" />
<item
android:id="@+id/nav_compras"
android:icon="@drawable/ic_compras"
android:checkable="true"
android:title="Compras" />
<item
android:id="@+id/nav_ventas"
android:icon="@drawable/ic_ventas"
android:checkable="true"
android:title="Ventas" />
<item
android:id="@+id/nav_ingresos_gastos"
android:icon="@drawable/ic_ingresos_gastos"
android:checkable="true"
android:title="Ingresos-Gastos Extras" />
<item
android:id="@+id/nav_reportes"
android:icon="@drawable/ic_reportes"
android:checkable="true"
android:title="Reportes" />
<item
android:id="@+id/nav_clientes"
android:icon="@drawable/ic_clientes"
android:checkable="true"
android:title="Clientes" />
<item
android:id="@+id/nav_proveedores"
android:icon="@drawable/ic_proveedores"
android:checkable="true"
android:title="Proveedores" />
<item
android:id="@+id/nav_agenda"
android:icon="@drawable/ic_agenda"
android:checkable="true"
android:title="Agenda" />
<item
android:id="@+id/nav_infominegocio"
android:icon="@drawable/ic_infominegocio"
android:checkable="true"
android:title="Info Mi Negocio" />
</menu>
</item>
<item android:title="MyShop">
<menu>
<item
android:id="@+id/nav_configuracion"
android:icon="@drawable/ic_configuracion"
android:title="Configuración" />
<item
android:id="@+id/nav_contactar"
android:icon="@drawable/ic_contactar"
android:title="Contactar" />
<item
android:id="@+id/nav_reportar"
android:icon="@drawable/ic_reportar"
android:title="Reportar Fallo" />
</menu>
</item>
</menu>
. Основная активность (onNavigationItemSelected):
@SuppressWarnings("StatementWithEmptyBody")
@Override
public boolean onNavigationItemSelected(MenuItem item) {
// Handle navigation view item clicks here.
int id = item.getItemId();
Fragment miFragment = null;
boolean fragmentSeleccionado = false;
if (id == R.id.nav_inventario) { // THIS IS THE ITEM SHOWN ON THE APP STARTUP
miFragment = new InventarioFragment();
fragmentSeleccionado = true;
FloatingActionButton fab = findViewById(R.id.fab);
fab.show();
} else if (id == R.id.nav_compras) {
miFragment = new ComprasFragment();
fragmentSeleccionado = true;
FloatingActionButton fab = findViewById(R.id.fab);
fab.show();
} else if (id == R.id.nav_ventas) {
miFragment = new VentasFragment();
fragmentSeleccionado = true;
FloatingActionButton fab = findViewById(R.id.fab);
fab.show();
} else if (id == R.id.nav_ingresos_gastos) {
miFragment = new IngresosGastosFragment();
fragmentSeleccionado = true;
FloatingActionButton fab = findViewById(R.id.fab);
fab.show();
} else if (id == R.id.nav_reportes) {
miFragment = new ReportesFragment();
fragmentSeleccionado = true;
FloatingActionButton fab = findViewById(R.id.fab);
fab.hide();
} else if (id == R.id.nav_clientes) {
miFragment = new ClientesFragment();
fragmentSeleccionado = true;
FloatingActionButton fab = findViewById(R.id.fab);
fab.show();
} else if (id == R.id.nav_proveedores) {
miFragment = new ProveedoresFragment();
fragmentSeleccionado = true;
FloatingActionButton fab = findViewById(R.id.fab);
fab.show();
} else if (id == R.id.nav_agenda) {
miFragment = new AgendaFragment();
fragmentSeleccionado = true;
FloatingActionButton fab = findViewById(R.id.fab);
fab.hide();
} else if (id == R.id.nav_infominegocio) {
miFragment = new InfoMiNegocioFragment();
fragmentSeleccionado = true;
FloatingActionButton fab = findViewById(R.id.fab);
fab.hide();
} else if (id == R.id.nav_configuracion) {
miFragment = new ConfiguracionFragment();
fragmentSeleccionado = true;
FloatingActionButton fab = findViewById(R.id.fab);
fab.hide();
} else if (id == R.id.nav_contactar) {
miFragment = new ContactarFragment();
fragmentSeleccionado = true;
FloatingActionButton fab = findViewById(R.id.fab);
fab.hide();
} else if (id == R.id.nav_reportar) {
miFragment = new ReportarFragment();
fragmentSeleccionado = true;
FloatingActionButton fab = findViewById(R.id.fab);
fab.hide();
}
if (fragmentSeleccionado == true) {
getSupportFragmentManager().beginTransaction().replace(R.id.content_main, miFragment).commit();
}
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
drawer.closeDrawer(GravityCompat.START);
return true;
}