Android Studio 自带的侧滑布局设置

package com.example.k.newapp;

import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.view.Gravity;
import android.view.View;
import android.support.design.widget.NavigationView;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity
implements NavigationView.OnNavigationItemSelectedListener {
DrawerLayout drawer;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);

drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
/*
*drawerLayout菜单的展开和隐藏可以被DrawerLayout.DrawerListener监听到，所以可以再打开和关闭的时候完成自己的逻辑，
* 但是如果你还是用Toolbar,建议使用ActionBarDrawerToggle 来监听侧滑菜单的打开和关闭，ActionBarDrawerToggle实现了
* DrawerListener，所以他能做DrawerListener可以做的任何事情，同时他还能将drawerLayout的展开和隐藏与actionbar的app
* 图标关联起来，当展开与隐藏的时候图标有一定的动画效果，点击图标的时候还能展开或者隐藏菜单。
*/
ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close){
//菜单打开
@Override
public void onDrawerOpened(View drawerView) {
super.onDrawerOpened(drawerView);
}
// 菜单关闭
@Override
public void onDrawerClosed(View drawerView) {
super.onDrawerClosed(drawerView);
}
};
//以下是设置标题栏的图标操作
toggle.setDrawerIndicatorEnabled(false);//设置为false时显示自己设置的图标
toggle.setHomeAsUpIndicator(R.drawable.ic_menu_camera);//自定义图标
//自定义图标的点击事件
toggle.setToolbarNavigationClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//弹出侧滑
drawer.openDrawer(Gravity.LEFT);
}
});
drawer.setDrawerListener(toggle);
toggle.syncState();

NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
//注册侧滑项监听事件
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();
}
}
//侧滑项被点击了后调用
@SuppressWarnings("StatementWithEmptyBody")
@Override
public boolean onNavigationItemSelected(MenuItem item) {
// Handle navigation view item clicks here.
int id = item.getItemId();

if (id == R.id.nav_camera) {
Toast.makeText(this,"1",Toast.LENGTH_SHORT).show();
} else if (id == R.id.nav_gallery) {
Toast.makeText(this,"2",Toast.LENGTH_SHORT).show();
} else if (id == R.id.nav_slideshow) {
Toast.makeText(this,"3",Toast.LENGTH_SHORT).show();
} else if (id == R.id.nav_manage) {
Toast.makeText(this,"4",Toast.LENGTH_SHORT).show();
} else if (id == R.id.nav_share) {
Toast.makeText(this,"5",Toast.LENGTH_SHORT).show();
} else if (id == R.id.nav_send) {
Toast.makeText(this,"6",Toast.LENGTH_SHORT).show();
}

return true;
}
}