尝试这样的操作，对于布局文件，您只需要
<?xml version="1.0" encoding="utf-8"?><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" android:fitsSystemWindows="true" tools:openDrawer="start"><!-- Main content when drawer is closed --> <include layout="@layout/app_bar_nav" android:layout_width="match_parent" android:layout_height="match_parent" /><!-- The drawer, you can change the menu contents dynamically --> <android.support.design.widget.NavigationView android:id="@+id/nav_view" android:layout_width="wrap_content" android:layout_height="match_parent" android:layout_gravity="start" android:fitsSystemWindows="true" app:headerLayout="@layout/nav_header" app:menu="@menu/menu_nav" /></android.support.v4.widget.DrawerLayout>
实现可以像这样简单。
package com.example;public class NavigationDrawer extends AppCompatActivity implements NavigationView.onNavigationItemSelectedListener { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_navigation_drawer); //You should remove this if you have no intent of using it //And if you uset it, to prevent double actionbars, use a style with no actionbar //Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);//I like setting custom actionbar //setSupportActionBar(toolbar); DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout); ActionBarDrawerToggle toggle = new ActionBarDrawerToggle( this, drawer, toolbar, "Open drawer", "Close drawer"); drawer.setDrawerListener(toggle); toggle.syncState(); NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view); navigationView.setNavigationItemSelectedListener(this); } @Override public void onBackPressed() { DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout); if (drawer.isDrawerOpen(GravityCompat.START)) { drawer.closeDrawer(GravityCompat.START); } else { super.onBackPressed(); } } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.note_home, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { return true;//or super.onOptionsItemSelected, false won't show menu } @SuppressWarnings("StatementWithEmptyBody") @Override public boolean onNavigationItemSelected(MenuItem item) { // Handle navigation view item clicks here. int id = item.getItemId(); switch (id) { case R.id.nav_camera: break; case R.id.nav_gallery: break; case R.id.nav_schedule: break; case R.id.nav_manage: //do someting silly break; } DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout); drawer.closeDrawer(GravityCompat.START); return true; }}
