我得到一个 java.lang.IllegalArgumentException: Unknown color

Question

I am I am getting a java.lang.IllegalArgumentException: Unknown color when getting background color from firebase db. I am using

• lollipop 5.1 API 22
• Firebase db background color all values ("#000000")

homepageadapter.java

private void startBannerSlideShow(final List<SliderModel>sliderModelList){
        final Handler handler = new Handler();
        final Runnable update = new Runnable() {
            @Override
            public void run() {
                if (CurrentPage >= sliderModelList.size()){
                    CurrentPage = 1;
                }

                bannerSliderViewPager.setCurrentItem(CurrentPage++,true); //this is the line 217
            }
        };

        timer = new Timer();
        timer.schedule(new TimerTask() {
            @Override
            public void run() {
                handler.post(update);
            }
        },DELAY_TIME,PERIOD_TIME);
    }

slideradapter.java

@NonNull
@NonNull
@Override
public Object instantiateItem(@NonNull ViewGroup container, int position) {
    View view = LayoutInflater.from(container.getContext()).inflate(R.layout.slider_layout,container,false);
    ConstraintLayout bannerContainer = view.findViewById(R.id.banner_container);
 bannerContainer.setBackgroundTintList(ColorStateList.valueOf(Color.parseColor(sliderModelList.get(position).getBackgroundColor()))); //this is the line 42


    ImageView banner = view.findViewById(R.id.banner_slide);
    Glide.with(container.getContext()).load(sliderModelList.get(position).getBanner()).apply(new RequestOptions().placeholder(R.drawable.placeholder)).into(banner);
    container.addView(view,0);
    return view;
}

logcat

04-06 10:51:44.907 20358-20358/com.xyz E/AndroidRuntime: FATAL EXCEPTION: main
    Process: com.xyz, PID: 20358
    java.lang.IllegalArgumentException: Unknown color
    42. at com.xyz.SliderAdapter.instantiateItem(SliderAdapter.java:42)
    217. at com.xyz.HomePageAdapter$BannerSliderViewholder$3.run(HomePageAdapter.java:217)

Answer 1

You are using wrong function. Example use;

bannerContainer.setBackgroundTintList(ColorStateList.valueOf(Color.parseColor(sliderModelList.get(position).getBgColor())));