HarmonyOS 如何引导用户打开GPS开关？

startAbilityTest() { 
  let context = getContext(this) as common.UIAbilityContext; 
  let wantInfo: Want = { 
    bundleName: 'com.huawei.hmos.settings', 
    abilityName: 'com.huawei.hmos.settings.MainAbility', 
    uri: 'location_manager_settings', 
  }; 
  context.startAbility(wantInfo) 
    .then(() => { 
    }) 
    .catch((err:Error) => { 
    }); 
}
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