Android(安卓)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;    }}
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