@SuppressWarnings("deprecation")
    public void setStatusBarTintDrawable(Drawable drawable) {
        if (mStatusBarAvailable) {
            mStatusBarTintView.setBackgroundDrawable(drawable);
        }
    }
Apply the specified drawable to the system status bar.

@param drawable The drawable to use as the background, or null to remove it.
app/src/main/java/com/zhao/myreader/util/SystemBarTintManager.java