Android 从操作栏中删除抽屉导航图标

我想从操作栏中删除导航抽屉的默认图标，并将我的徽标移到左角

我的行动栏：

主要活动：

编辑：//

如你所见，我添加了徽标而不是标题

 public class MainActivity extends AppCompatActivity
        implements NavigationView.OnNavigationItemSelectedListener {

    private int REQUEST_CAMERA = 0, SELECT_FILE = 1;
    private Button btnSelect;
    private ImageView ivImage;
    private String userChoosenTask;
    private SharedPreferences pref, pref2;
    private String jsonResult;
    public static Boolean isBookmarkSelected = false;
    private String url = "http://nwbrn.ayz.pl/Bookmark.php";
    private Menu menu;
    private MenuItem starMenu;
    private MenuItem shareMenu;
    private Bookmark bookmark;

    private TextView textView;
    private TextView textView2;
    private TextView textView3;

    private TabLayout tabLayout;
    private ViewPager viewPager;
    private FloatingActionButton floatingActionButton1, floatingActionButton2, floatingActionButton3;
    public static FloatingActionMenu materialDesignFAM;
    public static boolean fabVisible;


    private static final String TAG = MainActivity.class.getSimpleName();
    private BroadcastReceiver mRegistrationBroadcastReceiver;
    private TextView txtRegId, txtMessage;

    private int[] tabIcons = {
            R.drawable.ic_tab_one,
            R.drawable.ic_tab_two,
            R.drawable.ic_tab_profile
    };

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        FirebaseApp.initializeApp(this);

        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);

        setSupportActionBar(toolbar);
        getSupportActionBar().setDisplayShowTitleEnabled(false);
        getSupportActionBar().setDisplayHomeAsUpEnabled(false);

//        getSupportActionBar().setDisplayUseLogoEnabled(true);
//        getSupportActionBar().setDisplayShowHomeEnabled(true);
        getSupportActionBar().setIcon(R.drawable.logo2);


//        txtRegId = (TextView) findViewById(R.id.txt_reg_id);
//        txtMessage = (TextView) findViewById(R.id.txt_push_message);

        pref = PreferenceManager.getDefaultSharedPreferences(getBaseContext());

        String name = pref.getString(Constants.NAME, "");
        String avatar = pref.getString(Constants.AVATAR, "");

        textView = (TextView) findViewById(R.id.textView);
        textView2 = (TextView) findViewById(R.id.textView2);
        textView3 = (TextView) findViewById(R.id.textView3);

        textView.setText(pref.getString(Constants.FULLNAME, ""));
        textView2.setText("@" + pref.getString(Constants.NAME, ""));

        Spannable span = new SpannableString("made with   by @Marcin.Brzozowski");  // or set your text manually
        Drawable drawable;
        drawable = getResources().getDrawable(R.drawable.madewithlove_heart);
        drawable.setBounds(8, 8, drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight());
        ImageSpan imageSpan = new ImageSpan(drawable);
        span.setSpan(imageSpan, 9, 11, Spannable.SPAN_INCLUSIVE_EXCLUSIVE);

        textView3.setText(span);

        FirebaseInstanceId.getInstance().getToken();
        mRegistrationBroadcastReceiver = new BroadcastReceiver() {
            @Override
            public void onReceive(Context context, Intent intent) {

                // checking for type intent filter
                if (intent.getAction().equals(Config.REGISTRATION_COMPLETE)) {
                    // gcm successfully registered
                    // now subscribe to `global` topic to receive app wide notifications
                    FirebaseMessaging.getInstance().subscribeToTopic(Config.TOPIC_GLOBAL);

//                    displayFirebaseRegId();

                } else if (intent.getAction().equals(Config.PUSH_NOTIFICATION)) {
                    // new push notification is received

                    String message = intent.getStringExtra("message");

                    Toast.makeText(getApplicationContext(), "Push notification: " + message, Toast.LENGTH_LONG).show();

//                    txtMessage.setText(message);
                }
            }
        };

//        displayFirebaseRegId();

//        textView3.setText("Made with love by MB");
//        textView3.setGravity(Gravity.CENTER | Gravity.RIGHT);

        ivImage = (ImageView) findViewById(R.id.ivImage);
//        Picasso.with(getBaseContext()).invalidate(pref.getString(Constants.AVATAR, ""));
        Picasso.with(getBaseContext())
                .load(Uri.parse(pref.getString(Constants.AVATAR, "")))
                .resize(200, 200).centerCrop()
                .memoryPolicy(MemoryPolicy.NO_CACHE )
                .networkPolicy(NetworkPolicy.NO_CACHE)
                .noFade()
                .into(ivImage);

        final String[] menus = {"Home", "My Groups", "Change Group", "Settings"};

        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
                this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
        drawer.setDrawerListener(toggle);
        toggle.syncState();

        final TabsFragment galleryFragment = new TabsFragment();

        getSupportFragmentManager().beginTransaction()
                .replace(R.id.content_frame, galleryFragment)
                .addToBackStack(null)
                .commit();
        elevateActionBar(false);

        NavigationView navigationView = (NavigationView) findViewById(R.id.navigation);
        navigationView.setNavigationItemSelectedListener(this);

        //CustomAdapter we created for Customize Navigation
        ListView navlist = (ListView) findViewById(R.id.list);
        NavPanelListAdapter adapter = new NavPanelListAdapter(this, menus);
        navlist.setAdapter(adapter);

        navlist.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {

                String selectedMenu = menus[i];

                switch (selectedMenu) {

                    case "Home":
//                        TabsFragment groupFragment = new TabsFragment();

                        getSupportFragmentManager().beginTransaction()
                                .setCustomAnimations(R.anim.enter,R.anim.exit,R.anim.pop_enter, R.anim.pop_exit)
                                .replace(R.id.content_frame, galleryFragment)
                                .addToBackStack(null)
                                .commit();
                        elevateActionBar(false);

                        break;

                    case "My Groups":
                        MyGroupsFragment groupsFragment = new MyGroupsFragment();

                        getSupportFragmentManager().beginTransaction()
                                .setCustomAnimations(R.anim.enter,R.anim.exit,R.anim.pop_enter, R.anim.pop_exit)
                                .replace(R.id.content_frame, groupsFragment)
                                .addToBackStack(null)
                                .commit();
                        elevateActionBar(true);

                        break;

                    case "Change Group":
                        ChangeGroupFragment changeGroupFragment = new ChangeGroupFragment();
                        getSupportFragmentManager().beginTransaction()
                                .setCustomAnimations(R.anim.enter,R.anim.exit,R.anim.pop_enter, R.anim.pop_exit)
                                .replace(R.id.content_frame, changeGroupFragment)
                                .addToBackStack(null)
                                .commit();
                        elevateActionBar(true);

                        break;

                    case "Settings":
                        SettingsFragment settingsFragment = new SettingsFragment();
                        getSupportFragmentManager().beginTransaction()
                                .setCustomAnimations(R.anim.enter,R.anim.exit,R.anim.pop_enter, R.anim.pop_exit)
                                .replace(R.id.content_frame, settingsFragment)
                                .addToBackStack(null)
                                .commit();
                        elevateActionBar(true);

                        break;
                    default:
                        break;
                }

                DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
                drawer.closeDrawer(GravityCompat.START);
            }
        });
    }

    @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) {
        this.menu = menu;

        String email = pref.getString(Constants.EMAIL, "");
        System.out.println(email);
        String id_group = pref.getString(Constants.ID_GROUP, "");
        System.out.println(id_group);
        String _nameOfGroup = pref.getString(Constants.NAZWA, "");
        System.out.println(_nameOfGroup);


        onBookmarkItemSelected(email, id_group, _nameOfGroup);

        starMenu = menu.add("Added to Favourites");
        shareMenu = menu.add("Share files.");

        shareMenu.setIcon(R.drawable.share).setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);

        if(isBookmarkSelected == true) {
            starMenu.setIcon(R.drawable.ic_star_black).setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);
        }
        else {
            starMenu.setIcon(R.drawable.ic_star_border_black).setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);
        }

        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {

        int id = item.getItemId();

        if (id == R.id.action_settings) {
            startActivity(new Intent(getBaseContext(), SettingsActivity.class));
        }

        if (id == R.id.logout) {
            SharedPreferences.Editor editor = pref.edit();
            editor.putBoolean(Constants.IS_LOGGED_IN,false);
            editor.putString(Constants.EMAIL,"");
            editor.putString(Constants.NAME,"");
            editor.putString(Constants.UNIQUE_ID,"");
            editor.putString(Constants.AVATAR, "");
            editor.apply();
            startActivity(new Intent(getBaseContext(), LoginActivity.class));
        }

        if(item == shareMenu) {
//            ContentValues values = new ContentValues();
//            values.put(BluetoothShare.URI, "content://" + uritoSend);
//            values.put(BluetoothShare.DESTINATION, deviceAddress);
//            values.put(BluetoothShare.DIRECTION, BluetoothShare.DIRECTION_OUTBOUND);


        }

        if(item == starMenu) {
           new IsStarSelected(bookmark, pref.getString(Constants.ID_GROUP, ""));
            if (isBookmarkSelected == false) {
                starMenu.setIcon(R.drawable.ic_star_black).setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);
                Toast.makeText(getApplicationContext(), "Added to favorites!",
                        Toast.LENGTH_SHORT).show();
//                FirebaseMessaging.getInstance().unsubscribeFromTopic(pref.getString(Constants.ID_GROUP, ""));

            } else {
                starMenu.setIcon(R.drawable.ic_star_border_black).setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);
                Toast.makeText(getApplicationContext(), "Removed from favorites!",
                        Toast.LENGTH_SHORT).show();
//                FirebaseMessaging.getInstance().subscribeToTopic(pref.getString(Constants.ID_GROUP, ""));
            }
            }

        return super.onOptionsItemSelected(item);
    }

    @SuppressWarnings("StatementWithEmptyBody")
    @Override
    public boolean onNavigationItemSelected(MenuItem item) {
        // Handle navigation view item clicks here.
        int id = item.getItemId();

        if (id == R.id.groups_nav) {
            MyGroupsFragment tabsFragment = new MyGroupsFragment();
            getSupportFragmentManager().beginTransaction()
                    .replace(R.id.content_frame, tabsFragment)
                    .addToBackStack(null)
                    .commit();
            elevateActionBar(true);

        } else if (id == R.id.change_group_nav) {

            ChangeGroupFragment changeGroupFragment = new ChangeGroupFragment();
            getSupportFragmentManager().beginTransaction()
                    .setCustomAnimations(R.anim.enter,R.anim.exit,R.anim.pop_enter, R.anim.pop_exit)
                    .replace(R.id.content_frame, changeGroupFragment)
                    .addToBackStack(null)
                    .commit();
            elevateActionBar(true);

        } else if (id == R.id.settings_nav) {

            SettingsFragment settingsFragment = new SettingsFragment();
            getSupportFragmentManager().beginTransaction()
                    .setCustomAnimations(R.anim.enter, R.anim.exit, R.anim.pop_enter, R.anim.pop_exit)
                    .replace(R.id.content_frame, settingsFragment)
                    .addToBackStack(null)
                    .commit();
            elevateActionBar(true);
        }

        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        drawer.closeDrawer(GravityCompat.START);
        return true;
    }

    public void onBookmarkItemSelected(String email, String id_group, String _nameOfGroup) {

        OkHttpClient.Builder okHttpClient = new OkHttpClient.Builder();

        HttpLoggingInterceptor debugger =
                new HttpLoggingInterceptor()
                        .setLevel(HttpLoggingInterceptor.Level.BODY);
        okHttpClient
                .addInterceptor(debugger);

        Retrofit retrofit = new Retrofit.Builder()
                .baseUrl(Constants.BASE_URL)
                .addConverterFactory(GsonConverterFactory.create())
                .client(okHttpClient.build())
                .build();

        RequestInterface requestInterface = retrofit.create(RequestInterface.class);

        Integer id_int_group = Integer.parseInt(id_group);
        bookmark = new Bookmark(email, id_int_group, _nameOfGroup);

        ServerRequest request = new ServerRequest();
        request.setOperation(Constants.BOOKMARK_OPERATION);
        request.setBookmark(bookmark);

        Call<ServerResponse> response = requestInterface.operation(request);

        response.enqueue(new Callback<ServerResponse>() {

            @Override
            public void onResponse(Call<ServerResponse> call, retrofit2.Response<ServerResponse> response) {

                ServerResponse resp = response.body();
                if (resp.getResult().equals(Constants.SUCCESS))
//                    Log.d(Constants.TAG, "success");
                    isBookmarkSelected = true;

                else
                    isBookmarkSelected = false;

                    if (isBookmarkSelected == true)
                        starMenu.setIcon(R.drawable.ic_star_black).setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);
                    else
                        starMenu.setIcon(R.drawable.ic_star_border_black).setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);
            }

            @Override
            public void onFailure(Call<ServerResponse> call, Throwable t) {

//                progress.setVisibility(View.INVISIBLE);
                Log.d(Constants.TAG, "failed", t);
//                Snackbar.make(getView(), t.getLocalizedMessage(), Snackbar.LENGTH_LONG).show();

            }
        });
    }

    private void elevateActionBar(boolean elevate){
        //Elevate ActionBar (make ActionBar have a shadow)
        AppBarLayout appBarLayout = (AppBarLayout) findViewById(R.id.appBar);
        if(elevate) {
            appBarLayout.setElevation(7);
        } else{
            appBarLayout.setElevation(0);
        }
    }

    @Override
    protected void onResume() {
        super.onResume();

        // register GCM registration complete receiver
        LocalBroadcastManager.getInstance(this).registerReceiver(mRegistrationBroadcastReceiver,
                new IntentFilter(Config.REGISTRATION_COMPLETE));

        // register new push message receiver
        // by doing this, the activity will be notified each time a new message arrives
        LocalBroadcastManager.getInstance(this).registerReceiver(mRegistrationBroadcastReceiver,
                new IntentFilter(Config.PUSH_NOTIFICATION));

        // clear the notification area when the app is opened
        NotificationUtils.clearNotifications(getApplicationContext());
    }

    @Override
    protected void onPause() {
        LocalBroadcastManager.getInstance(this).unregisterReceiver(mRegistrationBroadcastReceiver);
        super.onPause();
    }

public类MainActivity扩展了AppCompatActivity
实现NavigationView.OnNavigationItemSelectedListener{
私有int请求\u摄像机=0，选择\u文件=1；
私人按钮b选择；
私有图像视图ivImage；
私有字符串userChoosenTask；
私有共享参考优先，优先2；
私有字符串jsonResult；
公共静态布尔值isBookmarkSelected=false；
专用字符串url=”http://nwbrn.ayz.pl/Bookmark.php";
私人菜单；
private MenuItem starMenu；
私有菜单项共享菜单；
私人书签；
私有文本视图文本视图；
私有文本视图文本视图2；
私有文本视图文本视图3；
私人摊位摊位；
私人视页机视页机；
私有浮动操作按钮浮动操作按钮1、浮动操作按钮2、浮动操作按钮3；
公共静态浮动操作菜单材料设计FAM；
公共静态布尔值是可见的；
私有静态最终字符串标记=MainActivity.class.getSimpleName（）；
专用广播接收机注册广播接收机；
私有文本视图txtRegId，txtMessage；
私有int[]选项卡图标={
R.drawable.ic_tab_one，
R.drawable.ic_表2，
R.drawable.ic\U选项卡\U配置文件
};
@凌驾
创建时受保护的void（Bundle savedInstanceState）{
super.onCreate（savedInstanceState）；
setContentView（R.layout.activity_main）；
FirebaseApp.initializeApp（本）；
Toolbar Toolbar=（Toolbar）findViewById（R.id.Toolbar）；
设置支持操作栏（工具栏）；
getSupportActionBar（）.setDisplayShowTitleEnabled（false）；
getSupportActionBar（）.setDisplayHomeAsUpEnabled（false）；
//getSupportActionBar（）.setDisplayUseLogoEnabled（true）；
//getSupportActionBar（）.setDisplayShowHomeEnabled（true）；
getSupportActionBar（）.setIcon（R.drawable.logo2）；
//txtRegId=（TextView）findViewById（R.id.txt\u reg\u id）；
//txtMessage=（TextView）findViewById（R.id.txt\u push\u message）；
pref=PreferenceManager.GetDefaultSharedReferences（getBaseContext（））；
字符串名称=pref.getString（Constants.name，“”）；
字符串avatar=pref.getString（Constants.avatar，“”）；
textView=（textView）findViewById（R.id.textView）；
textView2=（TextView）findViewById（R.id.textView2）；
textView3=（TextView）findViewById（R.id.textView3）；
textView.setText（pref.getString（Constants.FULLNAME，”）；
textView2.setText（“@”+pref.getString（Constants.NAME）”）；
Spannable span=new SpannableString（“由@Marcin.brzowski制作”）；//或手动设置文本
可拉伸；
drawable=getResources（）.getDrawable（R.drawable.madewithlove_heart）；
setBounds（8,8，drawable.getIntrinsicWidth（），drawable.getIntrinsicHeight（））；
ImageSpan ImageSpan=新的ImageSpan（可绘制）；
span.设置span（图像span、9、11、可设置span.包括span.\u排除）；
textView3.setText（span）；
FirebaseInstanceId.getInstance（）.getToken（）；
mrRegistrationBroadcastReceiver=新的BroadcastReceiver（）{
@凌驾
公共void onReceive（上下文、意图）{
//检查类型意图筛选器
if（intent.getAction（）.equals（Config.REGISTRATION_COMPLETE））{
//gcm已成功注册
//现在订阅“全局”主题以接收应用程序范围的通知
FirebaseMessaging.getInstance（）.subscribeToTopic（Config.TOPIC\u GLOBAL）；
//displayFirebaseRegId（）；
}else if（intent.getAction（）.equals（Config.PUSH_通知））{
//收到新的推送通知
字符串消息=intent.getStringExtra（“消息”）；
Toast.makeText（getApplicationContext（），“推送通知：”+消息，Toast.LENGTH\u LONG.show（）；
//txtMessage.setText（消息）；
}
}
};
//displayFirebaseRegId（）；
//textView3.setText（“由MB制造的爱”）；
//textView3.setGravity（Gravity.CENTER | Gravity.RIGHT）；
ivImage=（ImageView）findViewById（R.id.ivImage）；
//Picasso.with（getBaseContext（））.invalidate（pref.getString（Constants.AVATAR）”）；
Picasso.with（getBaseContext（））
.load（Uri.parse（pref.getString（Constants.AVATAR，“”））
.调整大小（200200）.中心裁剪（）
.memoryPolicy（memoryPolicy.NO_缓存）
.networkPolicy（networkPolicy.NO\u缓存）
.noFade（）
.进入（ivImage）；
最终字符串[]菜单={“主页”、“我的组”、“更改组”、“设置”}；
抽屉布局抽屉=（抽屉布局）findViewById（R.id.抽屉布局）；
ActionBarDrawerToggle切换=新建ActionBarDrawerToggle(
这，抽屉，工具栏，R.string.navigation\u drawer\u open，R.string.navigation\u drawer\u close）；
抽屉。设置抽屉定位器（开关）；
toggle.syncState（）；
final TabsFragment galleryFragment=新TabsFragment（）；
getSupportFragmentManager（）.beginTransaction（）
.更换（R.id.content_框架，galleryFragment）
.addToBackStack（空）
.commit（）；
升降杆（假）；
NavigationView NavigationView=（NavigationView）findViewById（R.id.navigation）；
navigationView.setNavigationItemSelectedListener（此）；
//我们为自定义导航创建的CustomAdapter
ListView导航列表=（ListView）findViewById（R.id.list）；
NavPanelListAdapter=新导航
ActionBarToggle toggle = new ActionBarToggle(....);

private ActionBarDrawerToggle setupDrawerToggle() {
    ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(this, mDrawer, toolbar, R.string.drawer_open, R.string.drawer_close);
    return toggle;
}

// drawer hamburger icons
    drawerToggle = setupDrawerToggle();

    // to disable hamburger icon
    drawerToggle.setDrawerIndicatorEnabled(false);

    // Tie DrawerLayout events to the ActionBarToggle
    mDrawer.addDrawerListener(drawerToggle);

    // Setup drawer view
    setupDrawerContent(nvDrawer);

DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
    ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
                    this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
            drawer.setDrawerListener(toggle);
            toggle.syncState();
            getSupportActionBar().setDisplayHomeAsUpEnabled(true);
            getSupportActionBar().setDefaultDisplayHomeAsUpEnabled(false);
            toggle.setDrawerIndicatorEnabled(false);
            toggle.setHomeAsUpIndicator(null); //or you can add icon
            toggle.setHomeAsUpIndicator(R.id.icon);//add this for custom icon

getActionBar().setDisplayHomeAsUpEnabled(false);

private fun disableDrawer() {
    val drawerLayout: DrawerLayout = findViewById(R.id.drawer_layout)
    val toolbar: Toolbar = findViewById(R.id.toolbar)
    drawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_LOCKED_CLOSED);
    toolbar.navigationIcon = null
}

private fun enableDrawer() {
    val drawerLayout: DrawerLayout = findViewById(R.id.drawer_layout)
    drawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_UNLOCKED)
    val navController = findNavController(R.id.nav_host_fragment)
    setupActionBarWithNavController(navController, appBarConfiguration)
}