HarmonyOS Developer FA模型开发指导

 "abilities": [
    "icon": "$media:icon",
    "label": "$string:MainAbility_label",
    "skills": [  
      {
        "entities": ["entity.system.home"],
        "actions": ["action.system.home"]
      }
    ]
    // ...
  }

{
  "module": {
    // ...
    "abilities": [
      {
        // singleton: 单实例模式
        // standard: 标准模式
        "launchType": "standard",
        // ...
      }
    ]
  }
}

export default {
  onCreate() {
    console.info('Application onCreate')
  },
  onDestroy() {
    console.info('Application onDestroy')
  },
  onShow() {
    console.info('Application onShow')
  },
  onHide() {
    console.info('Application onHide')
  },
  onActive() {
    console.info('Application onActive')
  },
  onInactive() {
    console.info('Application onInactive')
  },
  onNewWant() {
    console.info('Application onNewWant')
  },
}

{
  "abilities": [
    {
      "skills": [
        {
          "entities": [
            "entity.system.home"
          ],
          "actions": [
            "action.system.home"
          ]
        }
      ],
      "orientation": "unspecified",
      "visible": true,
      "srcPath": "MainAbility",
      "name": ".MainAbility",
      "srcLanguage": "ets",
      "icon": "$media:icon",
      "description": "$string:MainAbility_desc",
      "formsEnabled": false,
      "label": "$string:MainAbility_label",
      "type": "page",
      "launchType": "singleton"
    }
  ]
}

import featureAbility from '@ohos.ability.featureAbility'
import fileIo from '@ohos.fileio'

(async () => {
  let dir: string
  try {
    console.info('Begin to getOrCreateDistributedDir')
    dir = await featureAbility.getContext().getOrCreateDistributedDir()
    console.info('distribute dir is ' + dir)
  } catch (error) {
    console.error('getOrCreateDistributedDir failed with ' + error)
  }

  let fd: number;
  let path = dir + "/a.txt";
  fd = fileIo.openSync(path, 0o2 | 0o100, 0o666);
  fileIo.close(fd);
})()

import featureAbility from '@ohos.ability.featureAbility'
(async () => {
  try {
    console.info('Begin to start ability')
    let param = {
      want: {
        bundleName: "com.example.myapplication",
        moduleName: "entry",
        abilityName: "com.example.myapplication.MainAbility"
      }
    }
    await featureAbility.startAbility(param)
    console.info(`Start ability succeed`)
  } 
  catch (error) {
    console.error('Start ability failed with ' + error)
  }
})()

import featureAbility from '@ohos.ability.featureAbility'

(async () => {
  try {
    console.info('Begin to terminateSelf')
    await featureAbility.terminateSelf()
    console.info('terminateSelf succeed')
  } 
  catch (error) {
    console.error('terminateSelf failed with ' + error)
  }
})()

import featureAbility from '@ohos.ability.featureAbility';

async function restartAbility() {
    let wantInfo = {
        bundleName: "com.sample.MyApplication",
        abilityName: "MainAbility",
        parameters: {
            page: "pages/second"
        }
    };
    featureAbility.startAbility({
        want: wantInfo
    }).then((data) => {
        console.info('restartAbility success.');
    });
}

export default {  
    onNewWant(want) {    
        globalThis.newWant = want  
    }
}

import router from '@ohos.router'
@Entry
@Component
struct Index {
  @State message: string = 'Router Page'
  newWant = undefined
  onPageShow() {
    console.info('Index onPageShow')
    let newWant = globalThis.newWant
    if (newWant.hasOwnProperty("page")) {
      router.push({ url: newWant.page });
      globalThis.newWant = undefined
    }
  }

  build() {
    Row() {
      Column() {
        Text(this.message)
          .fontSize(50)
          .fontWeight(FontWeight.Bold)
      }
      .width('100%')
    }
    .height('100%')
  }
}

import featureAbility from '@ohos.ability.featureAbility'
@Entry
@Component
struct Index {
  @State message: string = 'Hello World'

  build() {
    // ...
    Button("startAbility")
      .onClick(() => {
        featureAbility.startAbility({
          want: {
            bundleName: "com.exm.myapplication",
            abilityName: "com.exm.myapplication.MainAbility",
            parameters: { page: "pages/page1" }
          }
        }).then((data) => {
          console.info("startAbility finish");
        }).catch((err) => {
          console.info("startAbility failed errcode:" + err.code)
        })
      })
    // ...
    Button("page2")
      .onClick(() => {
        featureAbility.startAbility({
          want: {
            bundleName: "com.exm.myapplication",
            abilityName: "com.exm.myapplication.MainAbility",
            parameters: { page: "pages/page2" }
          }
        }).then((data) => {
          console.info("startAbility finish");
        }).catch((err) => {
          console.info("startAbility failed errcode:" + err.code)
        })
      })
    // ...
  }
}

import featureAbility from '@ohos.ability.featureAbility';
import router from '@ohos.router';

export default {
  onCreate() {
    featureAbility.getWant().then((want) => {
      if (want.parameters.page) {
        router.push({
          url: want.parameters.page
        })
      }
    })
  },
  onDestroy() {
    // ...
  },
}

{
  "module": {
    // ...
    "reqPermissions": [
      {
        "name": "ohos.permission.READ_CALENDAR"
        // ...
      }
    ]
  }
}

import featureAbility from '@ohos.ability.featureAbility';

let context = featureAbility.getContext();  
let permissions: Array<string> = ['ohos.permission.READ_CALENDAR']
context.requestPermissionsFromUser(permissions, 1).then((data) => {    
    console.info("Succeed to request permission from user with data: " + JSON.stringify(data))
}).catch((error) => {    
    console.info("Failed to request permission from user with error: " + JSON.stringify(error))
})

{
  "module": {
    // ...
    "abilities": [
      {
        "visible": "true",
        // ...
      }
    ]
  }
}