import android.app.StatusBarManager;
import android.content.Context;

// 获取状态栏管理器
StatusBarManager statusBarManager = (StatusBarManager) context.getSystemService(Context.STATUS_BAR_SERVICE);

// 尝试隐藏通知和系统信息以及时钟
statusBarManager.disable(StatusBarManager.DISABLE_NOTIFICATION_ICONS | StatusBarManager.DISABLE_SYSTEM_INFO | StatusBarManager.DISABLE_CLOCK);