harmony 鸿蒙Using Implicit Want to Open a Website

2023-02-03
浏览 (843)

Using Implicit Want to Open a Website

This section uses the operation of using a browser to open a website as an example. It is assumed that one or more browser applications are installed on the device. To ensure that the browser application can work properly, configure the module.json5 file as follows:

{
  "module": {
    ...
    "abilities": [
      {
        ...
        "skills": [
          {
            "entities": [
              "entity.system.home",
              "entity.system.browsable"
              ...
            ],
            "actions": [
              "action.system.home",
              "ohos.want.action.viewData"
              ...
            ],
            "uris": [
              {
                "scheme": "https",
                "host": "www.test.com",
                "port": "8080",
                // Prefix matching is used.
                "pathStartWith": "query"
              },
              {
                "scheme": "http",
                ...
              }
              ...
            ]
          }
        ]
      }
    ]
  }
}

In the initiator UIAbility, use implicit Want to start the browser application.

import common from '@ohos.app.ability.common';
import Want from '@ohos.app.ability.Want';
import { BusinessError } from '@ohos.base';

let context = getContext(this) as common.UIAbilityContext;
let wantInfo: Want = {
  // Uncomment the line below if you want to implicitly query data only in the specific bundle.
  // bundleName: 'com.example.myapplication',
  'action': 'ohos.want.action.viewData',
  // entities can be omitted.
  'entities': ['entity.system.browsable'],
  'uri': 'https://www.test.com:8080/query/student'
}
context.startAbility(wantInfo).then(() => {
  // ...
}).catch((err: BusinessError) => {
  // ...
})

The matching process is as follows:

If action in the passed want parameter is specified and is included in actions under skills of the application component to match, the matching is successful.
If entities in the passed want parameter is specified and is included in entities under skills of the application component to match, the matching is successful.
If uri in the passed want parameter is included in uris under skills of the application component to match, which is concatenated into https://www.test.com:8080/query* (where * is a wildcard), the matching is successful.