HarmonyOS Developer FA模型开发指导

import rpc from "@ohos.rpc"
  
  class FirstServiceAbilityStub extends rpc.RemoteObject {
    constructor(des: any) {
      if (typeof des === 'string') {
        super(des)
      } else {
        return
      }
    }
  }
  
  export default {
    onStart() {
      console.info('ServiceAbility onStart')
    },
    onStop() {
      console.info('ServiceAbility onStop')
    },
    onCommand(want, startId) {
      console.info('ServiceAbility onCommand')
    },
    onConnect(want) {
      console.info('ServiceAbility onConnect' + want)
      return new FirstServiceAbilityStub('test')
    },
    onDisconnect(want) {
      console.info('ServiceAbility onDisconnect' + want)
    }
  }

 {
       "module": {
         "abilities": [
           {
             "name": ".ServiceAbility",
             "srcLanguage": "ets",
             "srcPath": "ServiceAbility",
             "icon": "$media:icon",
             "description": "hap sample empty service",
             "type": "service",
             "visible": true
           }
         ]
       }
     }

import featureAbility from '@ohos.ability.featureAbility'

async function startServiceAbility() {
  try {
    console.info('Begin to start ability')
    let param = {
      want: {
        bundleName: "com.example.myapplication",
        abilityName: "com.example.myapplication.ServiceAbility"
      }
    }
    await featureAbility.startAbility(param)
    console.info(`Start ability succeed`)
  } catch (error) {
    console.error('Start ability failed with ' + error)
  }
}

import rpc from "@ohos.rpc"
import prompt from '@system.prompt'
import featureAbility from '@ohos.ability.featureAbility'

let option = {
  onConnect: function onConnectCallback(element, proxy) {
    console.info(`onConnectLocalService onConnectDone`)
    if (proxy === null) {
      prompt.showToast({
        message: "Connect service failed"
      })
      return
    }
    let data = rpc.MessageParcel.create()
    let reply = rpc.MessageParcel.create()
    let option = new rpc.MessageOption()
    data.writeInterfaceToken("connect.test.token")
    proxy.sendRequest(0, data, reply, option)
    prompt.showToast({
      message: "Connect service success"
    })
  },
  onDisconnect: function onDisconnectCallback(element) {
    console.info(`onConnectLocalService onDisconnectDone element:${element}`)
    prompt.showToast({
      message: "Disconnect service success"
    })
  },
  onFailed: function onFailedCallback(code) {
    console.info(`onConnectLocalService onFailed errCode:${code}`)
    prompt.showToast({
      message: "Connect local service onFailed"
    })
  }
}

let request = {
  bundleName: "com.example.myapplication",
  abilityName: "com.example.myapplication.ServiceAbility",
}
let connId = featureAbility.connectAbility(request, option)

import rpc from "@ohos.rpc"

class FirstServiceAbilityStub extends rpc.RemoteObject {
  constructor(des: any) {
    if (typeof des === 'string') {
      super(des)
    } else {
      return
    }
  }

  onRemoteRequest(code: number, data: any, reply: any, option: any) {
    console.info(`onRemoteRequest called`)
    if (code === 1) {
      let string = data.readString()
      console.info(`string=${string}`)
      let result = Array.from(string).sort().join('')
      console.info(`result=${result}`)
      reply.writeString(result)
    } else {
      console.info(`unknown request code`)
    }
    return true
  }
}

"abilities": [{
  "srcPath": "DataAbility",
  "name": ".DataAbility",
  "icon": "$media:icon",
  "srcLanguage": "ets",
  "description": "$string:description_dataability",
  "type": "data",
  "visible": true,
  "uri": "dataability://ohos.samples.etsdataability.DataAbility"
}]

import featureAbility from '@ohos.ability.featureAbility'
import dataAbility from '@ohos.data.dataAbility'
import dataRdb from '@ohos.data.rdb'

const TABLE_NAME = 'book'
const STORE_CONFIG = { name: 'book.db' }
const SQL_CREATE_TABLE = 'CREATE TABLE IF NOT EXISTS book(id INTEGER PRIMARY KEY AUTOINCREMENT, name TEXT NOT NULL, introduction TEXT NOT NULL)'
let rdbStore: dataRdb.RdbStore = undefined

export default {
  onInitialized(abilityInfo) {
    console.info('DataAbility onInitialized, abilityInfo:' + abilityInfo.bundleName)
    let context = featureAbility.getContext()
    dataRdb.getRdbStore(context, STORE_CONFIG, 1, (err, store) => {
      console.info('DataAbility getRdbStore callback')
      store.executeSql(SQL_CREATE_TABLE, [])
      rdbStore = store
    });
  },
  insert(uri, valueBucket, callback) {
    console.info('DataAbility insert start')
    rdbStore.insert(TABLE_NAME, valueBucket, callback)
  },
  batchInsert(uri, valueBuckets, callback) {
    console.info('DataAbility batch insert start')
    for (let i = 0;i < valueBuckets.length; i++) {
      console.info('DataAbility batch insert i=' + i)
      if (i < valueBuckets.length - 1) {
        rdbStore.insert(TABLE_NAME, valueBuckets[i], (err: any, num: number) => {
          console.info('DataAbility batch insert ret=' + num)
        })
      } else {
        rdbStore.insert(TABLE_NAME, valueBuckets[i], callback)
      }
    }
  },
  query(uri, columns, predicates, callback) {
    console.info('DataAbility query start')
    let rdbPredicates = dataAbility.createRdbPredicates(TABLE_NAME, predicates)
    rdbStore.query(rdbPredicates, columns, callback)
  },
  update(uri, valueBucket, predicates, callback) {
    console.info('DataAbilityupdate start')
    let rdbPredicates = dataAbility.createRdbPredicates(TABLE_NAME, predicates)
    rdbStore.update(valueBucket, rdbPredicates, callback)
  },
  delete(uri, predicates, callback) {
    console.info('DataAbilitydelete start')
    let rdbPredicates = dataAbility.createRdbPredicates(TABLE_NAME, predicates)
    rdbStore.delete(rdbPredicates, callback)
  }
};

// 作为参数传递的URI,与config中定义的URI的区别是多了一个"/",有三个"/",具体原因详见。
import featureAbility from '@ohos.ability.featureAbility'

let urivar = "dataability:///com.ix.DataAbility"
let DAHelper = featureAbility.acquireDataAbilityHelper(urivar);

// 作为参数传递的URI,与config中定义的URI的区别是多了一个"/",有三个"/"
import featureAbility from '@ohos.ability.featureAbility'
import ohos_data_ability from '@ohos.data.dataAbility'
import ohos_data_rdb from '@ohos.data.rdb'

let urivar = "dataability:///com.ix.DataAbility"
let DAHelper = featureAbility.acquireDataAbilityHelper(urivar);

let valuesBucket = {"name": "gaolu"}
let da = new ohos_data_ability.DataAbilityPredicates()
let valArray =new Array("value1");
let cars = new Array({"batchInsert1" : "value1",});

// callback方式调用:
DAHelper.insert(
  urivar,
  valuesBucket,
  (error, data) => {
    console.info("DAHelper insert result: " + data)
  }
);

// promise方式调用(await需要在async方法中使用):
let datainsert = await DAHelper.insert(urivar, valuesBucket).then((data) => {
  console.info("insert success.");
}).catch((error) => {
  console.error("insert failed.");
});

// callback方式调用:
DAHelper.delete(
  urivar,
  da,
  (error, data) => {
    console.info("DAHelper delete result: " + data)
  }
);

// promise方式调用(await需要在async方法中使用):
let datadelete = await DAHelper.delete(
  urivar,
  da,
);

// callback方式调用:
DAHelper.update(
  urivar,
  valuesBucket,
  da,
  (error, data) => {
    console.info("DAHelper update result: " + data)
  }
);

// promise方式调用(await需要在async方法中使用):
let dataupdate = await DAHelper.update(
  urivar,
  valuesBucket,
  da,
);

// callback方式调用:
DAHelper.query(
  urivar,
  valArray,
  da,
  (error, data) => {
    console.info("DAHelper query result: " + data)
  }
);

// promise方式调用(await需要在async方法中使用):
let dataquery = await DAHelper.query(
  urivar,
  valArray,
  da
);

// callback方式调用:
DAHelper.batchInsert(
  urivar,
  cars,
  (error, data) => {
    console.info("DAHelper batchInsert result: " + data)
  }
);

// promise方式调用(await需要在async方法中使用):
let databatchInsert = await DAHelper.batchInsert(
  urivar,
  cars
);

// callback方式调用:
DAHelper.executeBatch(
  urivar,
  [
    {
      uri: urivar,
      type: featureAbility.DataAbilityOperationType.TYPE_INSERT,
      valuesBucket: {"executeBatch" : "value1",},
      predicates: da,
      expectedCount:0,
      predicatesBackReferences: null,
      interrupted:true,
    }
  ],
  (error, data) => {
    console.info("DAHelper executeBatch result: " + data)
  }
);

// promise方式调用(await需要在async方法中使用):
let dataexecuteBatch = await DAHelper.executeBatch(
  urivar,
  [
    {
      uri: urivar,
      type: featureAbility.DataAbilityOperationType.TYPE_INSERT,
      valuesBucket:
      {
        "executeBatch" : "value1",
      },
      predicates: da,
      expectedCount:0,
      predicatesBackReferences: null,
      interrupted:true,
    }
  ]
);

"abilities": [{
  "srcPath": "DataAbility",
  "name": ".DataAbility",
  "icon": "$media:icon",
  "srcLanguage": "ets",
  "description": "$string:description_dataability",
  "type": "data",
  "visible": true,
  "uri": "dataability://ohos.samples.etsdataability.DataAbility",
  "readPermission":"ohos.permission.READ_CONTACTS",
  "writePermission":"ohos.permission.WRITE_CONTACTS"
}]

{
  "module": {
    "reqPermissions":{
      {
        "name":"ohos.permission.READ_CONTACTS"
      },
      {
        "name":"ohos.permission.WRITE_CONTACTS"
      }
    }
  }
}

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

let context = featureAbility.getContext()

import featureAbility from '@ohos.ability.featureAbility'
export default {
  onCreate() {
    // 获取context并调用相关方法
    let context = featureAbility.getContext();
    context.getBundleName((data, bundleName)=>{
      console.info("ability bundleName:" + bundleName)
    });
    console.info('Application onCreate')
  },
  onDestroy() {
    console.info('Application onDestroy')
  },
}

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

export default {
  onCreate() {
    // 获取context并调用相关方法
    let context = featureAbility.getContext();
    context.setDisplayOrientation(bundle.DisplayOrientation.LANDSCAPE).then(() => {
        console.info("Set display orientation.")
    })
    console.info('Application onCreate')
  },
  onDestroy() {
    console.info('Application onDestroy')
  },
}