底部导航栏

//依赖

implementation 'com.ashokvarma.android:bottom-navigation-bar:2.0.4'//底部导航栏

 

<com.ashokvarma.bottomnavigation.BottomNavigationBar
    android:id="@+id/bottom_navigation_bar"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_gravity="bottom" />

 

 

public class ZhuActivity extends BaseActivity implements BottomNavigationBar.OnTabSelectedListener {
    Home_Fragment fragment2;
    GirlFragment fragment4;
    @BindView(R.id.fragment_container)
    LinearLayout fragmentContainer;
    @BindView(R.id.bottom_navigation_bar)
    BottomNavigationBar bottomNavigationBar;
    private int[] mIconUnselectIds = {R.mipmap.ic_home_normal, R.mipmap.ic_girl_normal, R.mipmap.ic_video_normal, R.mipmap.ic_care_normal};
    private int[] mIconSelectIds = {R.mipmap.ic_home_selected, R.mipmap.ic_girl_selected, R.mipmap.ic_video_selected, R.mipmap.ic_care_selected};

    // private BadgeItem badge2;
// private BadgeItem badge;
// private BadgeItem badge3;
// private BadgeItem badge4;
// private ShuJuFragment fragment;
// private CareFragment fragment3; 
// private VadioFragment blankFragment3;
// private GirlFragment blankFragment2; 
// private Home_Fragment blankFragment;
// private CareFragment blankFragment4;
// @Override protected void initView() { ButterKnife.bind(this); 
// bottomNavigationBar.setAutoHideEnabled(true);
// 自动隐藏 InitNavigationBar(); initBae(); initBase(); 
// 为使底部栏能滑动隐藏,直接监听NestedScrollView的滑动事件 向下滑则隐藏 上滑则显示 
    initData();
}

    @Override
    protected int getLayoutId() {
        return R.layout.activity_main3;
    }

    private void initBae() {
        FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
        if (blankFragment == null) {
            try {
                blankFragment = Home_Fragment.class.newInstance();
            } catch (InstantiationException e) {
                e.printStackTrace();
            } catch (IllegalAccessException e) {
                e.printStackTrace();
            }
        }
        transaction.replace( R.id.fragment_container, blankFragment );
        transaction.commit();
    }

    private void InitNavigationBar() {
        bottomNavigationBar.setTabSelectedListener( this );
        bottomNavigationBar.setMode( BottomNavigationBar.MODE_SHIFTING );
        bottomNavigationBar.setBackgroundStyle( BottomNavigationBar.BACKGROUND_STYLE_RIPPLE );
        ShapeBadgeItem badge = new ShapeBadgeItem();
        badge.setShapeColor( "#1BEA0E" ).setHideOnSelect( true ).setGravity( Gravity.RIGHT | Gravity.TOP );
        bottomNavigationBar.addItem( new BottomNavigationItem( R.drawable.ic_home_selected, "首页" ).setBadgeItem( badge )
                .setInactiveIcon( ContextCompat.getDrawable( this, R.drawable.ic_home_normal ) ) )
                //非选中的图片)
                .addItem( new BottomNavigationItem( R.drawable.ic_girl_selected, "美女" )
                        .setBadgeItem( new ShapeBadgeItem() )
                        .setInactiveIcon( ContextCompat.getDrawable( this, R.drawable.ic_girl_normal ) ) )
                .addItem( new BottomNavigationItem( R.drawable.ic_video_selected, "关注" )
                        .setBadgeItem( new ShapeBadgeItem() )
                        .setInactiveIcon( ContextCompat.getDrawable( this, R.drawable.ic_video_normal ) ) )
                .addItem( new BottomNavigationItem( R.drawable.ic_care_selected, "个人" ).setBadgeItem( new ShapeBadgeItem() )
                        .setInactiveIcon( ContextCompat.getDrawable( this, R.drawable.ic_care_normal ) ) )
                .setFirstSelectedPosition( 0 ) 
                /* .setActiveColor("#EA5FFE")//#F6F0F0白色 .
        // setInActiveColor("#F6F0F0")//则色*/
                .setBarBackgroundColor( "#FD8822" )
                //#FD8822//黄色
                .initialise();
        bottomNavigationBar.hide();//隐藏 
        bottomNavigationBar.hide( true );//隐藏是否启动动画，这里并不能自定义动画 
        bottomNavigationBar.setBarBackgroundColor( R.color.white );//背景颜色 
        bottomNavigationBar.setInActiveColor( "" );//未选中时的颜色 
        // bottomNavigationBar.setActiveColor("#FD8822");
        // 选中时的颜色 
    }

    private void initBase() { //透明状态栏 
        getWindow().addFlags( WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS );
        //透明导航栏 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION); }
        @Override public void onTabSelected ( int position){
            FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
            switch (position) {
                case 0:
                    if (blankFragment == null) {
                        try {
                            blankFragment = Home_Fragment.class.newInstance();
                        } catch (InstantiationException e) {
                            e.printStackTrace();
                        } catch (IllegalAccessException e) {
                            e.printStackTrace();
                        }
                    }
                    transaction.replace( R.id.fragment_container, blankFragment );
                    break;
                case 1:
                    if (blankFragment2 == null) {
                        try {
                            blankFragment2 = GirlFragment.class.newInstance();
                        } catch (InstantiationException e) {
                            e.printStackTrace();
                        } catch (IllegalAccessException e) {
                            e.printStackTrace();
                        }
                    }
                    transaction.replace( R.id.fragment_container, blankFragment2 );
                    break;
                case 2:
                    if (blankFragment3 == null) {
                        try {
                            blankFragment3 = VadioFragment.class.newInstance();
                        } catch (InstantiationException e) {
                            e.printStackTrace();
                        } catch (IllegalAccessException e) {
                            e.printStackTrace();
                        }
                    }
                    transaction.replace( R.id.fragment_container, blankFragment3 );
                    break;
                case 3:
                    if (blankFragment4 == null) {
                        try {
                            blankFragment4 = CareFragment.class.newInstance();
                        } catch (InstantiationException e) {
                            e.printStackTrace();
                        } catch (IllegalAccessException e) {
                            e.printStackTrace();
                        }
                    }
                    transaction.replace( R.id.fragment_container, blankFragment4 );
                    break;
                default:
                    if (blankFragment == null) {
                        try {
                            blankFragment = Home_Fragment.class.newInstance();
                        } catch (InstantiationException e) {
                            e.printStackTrace();
                        } catch (IllegalAccessException e) {
                            e.printStackTrace();
                        }
                    }
                    transaction.replace( R.id.fragment_container, blankFragment );
                    break;
            }
            transaction.commit();
        }
        @Override public void onTabUnselected ( int position){
        }
        @Override public void onTabReselected ( int position){
        }
    }