Android 显示/隐藏 应用图标

        PackageManager packageManager = getPackageManager();

        ComponentName componentName = new ComponentName(this, StartActivity.class);

        int res = packageManager.getComponentEnabledSetting(componentName);

        if (res == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT

                || res == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) {

            // 隐藏应用图标

            packageManager.setComponentEnabledSetting(componentName, PackageManager.COMPONENT_ENABLED_STATE_DISABLED,

                    PackageManager.DONT_KILL_APP);

        } else {

            // 显示应用图标

            packageManager.setComponentEnabledSetting(componentName, PackageManager.COMPONENT_ENABLED_STATE_DEFAULT,

                    PackageManager.DONT_KILL_APP);

        }