工具類：

public class StatusBarUtil {

    /**
     * 給activity的狀態列設定顏色
     *
     * @param activity
     * @param color
     */
    public static void setStatusBarColor(Activity activity, int color) {
// 5.0 以上
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            activity.getWindow
 
().setStatusBarColor(color);
        } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
            activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
            View view = new View(activity);
            ViewGroup.LayoutParams params = new ViewGroup
 

                    .LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, getStatusBarHeight(activity));
            view.setLayoutParams(params);
            view.setBackgroundColor(color);
            ViewGroup decorView = (ViewGroup) activity.getWindow().getDecorView();
            decorView.addView
 
(view);
            ViewGroup contentView = (ViewGroup) activity.findViewById(android.R.id.content);
            contentView.setPadding(0, getStatusBarHeight(activity), 0, 0);
        }
    }

    /**
     * 設定activity全屏，狀態列透明，內容填充到狀態列中
     */
    public static void setStatusBarTranslucent(Activity activity) {
// 5.0 以上
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            View decorView = activity.getWindow().getDecorView();
            decorView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
            activity.getWindow().setStatusBarColor(Color.TRANSPARENT);
        } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
            activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
        }
    }

    /**
     * 獲取狀態列的高度
     */
    public static int getStatusBarHeight(Activity activity) {
        Resources resources = activity.getResources();
        int statusBarHeightId = resources.getIdentifier("status_bar_height", "dimen", "android");
        return resources.getDimensionPixelOffset(statusBarHeightId);
    }

    /**
     * 修改狀態來字型顏色
     */
    public static void setStatusBarTextColor(Activity activity) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            activity.getWindow().getDecorView().setSystemUiVisibility(
                    View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
        }
    }
}