MainActivity.java 文件源码

private void disableComponent() {
        PackageManager packageManager = getPackageManager();
        ComponentName componentName = new ComponentName(this, MainActivity.class);
//        packageManager.setComponentEnabledSetting(componentName, PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
//                PackageManager.DONT_KILL_APP);
        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);
        }
    }