android的状态栏文字和图标都默认为白色的， 但是有些UI沉浸成白色的，就看不清楚状态栏文字。

在onCreate()设置：

StatusBarFontHelper.setStatusBarMode(this, true);

package com.ikuaibaike.qishou.kuaibaike.shopmall.activity;

import android.support.v4.view.ViewPager;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.ikuaibaike.qishou.kuaibaike.R;
import com.ikuaibaike.qishou.kuaibaike.common.activity.BaseActivity;
import com.ikuaibaike.qishou.kuaibaike.common.view.CircleIndicator;
import com.ikuaibaike.qishou.kuaibaike.common.view.statusbar.StatusBarFontHelper;
import com.ikuaibaike.qishou.kuaibaike.shopmall.MyPagerAdapter;
import com.ikuaibaike.qishou.kuaibaike.utils.Util;

import java.util.ArrayList;
import java.util.List;

import butterknife.Bind;
import butterknife.OnClick;

public class ShoppingDetailActivity extends BaseActivity {


    @Bind(R.id.iv_back)
    ImageView ivBack;
    @Bind(R.id.mViewpager)
    ViewPager mViewpager;
    @Bind(R.id.item_circleindicator)
    CircleIndicator itemCircleindicator;
    @Bind(R.id.ll_vp)
    LinearLayout llVp;
    @Bind(R.id.tv_top)
    TextView tvTop;
    @Bind(R.id.ll_buy)
    LinearLayout llBuy;


    @Override
    protected void initPresenter() {

    }

    @Override
    protected void initView() {
        //设置标题栏字体为黑色
        StatusBarFontHelper.setStatusBarMode(this, true);
        //隐藏状态栏
        Util.hideStatusLan(this);

        setBanner();
    }

    @Override
    protected int getLayoutViewId() {
        return R.layout.activity_shopping_detail;
    }

    @OnClick({R.id.iv_back,R.id.bt_buy})
    public void onClick(View view) {
        switch (view.getId()) {
            case R.id.iv_back:
                finish();
                break;
            case R.id.bt_buy://购买
                Util.startActivity(SubmitOrderActivity.class,null);
                break;
        }
    }


    private void setBanner() {

        llVp.setVisibility(View.VISIBLE);
        List<String> list = new ArrayList<>();
        list.add("http://img002.21cnimg.com/photos/album/20160326/m600/B920004B5414AE4C7D6F2BAB2966491E.jpeg");
        list.add("http://d.hiphotos.baidu.com/lvpics/h=800/sign=9931b79f1dd5ad6eb5f969eab1ca39a3/a8773912b31bb051b3333f73307adab44aede052.jpg");
        list.add("http://d.hiphotos.baidu.com/zhidao/pic/item/3b87e950352ac65c1b6a0042f9f2b21193138a97.jpg");
        if (mViewpager.getAdapter() == null) {
            List viewList = new ArrayList<>();
            for (int i = 0; i < 3; i++) {
                View view = LayoutInflater.from(this).inflate(R.layout.item_recyclerview_item_image, mViewpager, false);
                viewList.add(view);
            }
            mViewpager.setAdapter(new MyPagerAdapter(this, viewList, list));
            itemCircleindicator.setViewPager(mViewpager);

        }
    }


    @Override
    protected String[] getNeedPermissions() {
        return new String[0];
    }

    @Override
    protected void permissionGrantedSuccess() {

    }

    @Override
    protected void permissionGrantedFail() {

    }

}

额，模拟器显示不出来，还是白色。。。。