네비게이션뷰공부하는 학생입니다
코드에는 오류가 없는데도 앱이중지되었다하니 답답해서 질문을올리네요
activity_main.xml
<android.support.v4.widget.DrawerLayout
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/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:minHeight="?attr/actionBarSize"
android:background="#ec1f1f"
android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
app:popupTheme="@style/ThemeOverlay.AppCompat.Light"/>
<FrameLayout
android:id="@+id/container"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</LinearLayout>
<android.support.design.widget.NavigationView
android:id="@+id/navigation_view"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="start"
app:menu="@+menu/menu_drawer"
app:headerLayout="@layout/navigation_header"
/>
</android.support.v4.widget.DrawerLayout>
navigation_header.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayoutLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="192dp"
android:background="@color/primary_dark_material_dark">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="HEADER"
android:textSize="40sp"
android:textColor="@android:color/white"
android:layout_centerVertical="true"
android:layout_centerHorizontal="true"/>
</RelativeLayoutLayout>
menu_drawer.xml
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<group android:checkableBehavior="single">
<item
android:id="@+id/nav_dashboard"
android:icon="@drawable/ic_dashboard_black_24dp"
android:title="Dashboard" />
<item
android:id="@+id/nav_explore"
android:icon="@drawable/ic_explore_black_24dp"
android:title="Explore" />
</group>
<item android:title="Sub menu">
<menu>
<item
android:icon="@drawable/ic_event_black_24dp"
android:title="Event" />
<item
android:icon="@drawable/ic_home_black_24dp"
android:title="Home" />
</menu>
</item>
</menu>