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效果

依赖

compile 'com.ashokvarma.android:bottom-navigation-bar:1.3.0'

initBottom();默认选中0        showFragment(0);

private void showFragment(int position) {        FragmentManager supportFragmentManager = getSupportFragmentManager();        FragmentTransaction transaction = supportFragmentManager.beginTransaction();        transaction.replace(R.id.fl_fragment, FragmentFactory.getFragemt(position)).commit();    }    private void initBottom() {        numberBadgeItem = new BadgeItem()//                .setBorderWidth(4) 边框                .setBackgroundColor(Color.RED)                .setText("6");//                .setHideOnSelect(autoHide.isChecked());  点中后干掉        bntBottom                .setActiveColor(R.color.maincolor)                .addItem(new BottomNavigationItem(R.drawable.conversation_selected_2, "消息").setBadgeItem(numberBadgeItem))                .addItem(new BottomNavigationItem(R.drawable.contact_selected_2, "联系人"))                .addItem(new BottomNavigationItem(R.drawable.plugin_selected_2, "动态"))                .setFirstSelectedPosition(0)                .initialise();        //监听底部导航        bntBottom.setTabSelectedListener(this);    }    @Override    public void onTabSelected(int position) {        //当前切换时候调用        showFragment(position);    }