关于鸿蒙DevEco Studio学习

{
  "app": {  //应用
    "bundleName": "com.example.myapplication", //包名
    "vendor": "example",
    "version": { //默认给的版本号
      "code": 1000000,
      "name": "1.0.0"
    }
  },
  "deviceConfig": {},
  "module": {
    "package": "com.example.myapplication",
    "name": ".MyApplication",
    "mainAbility": "com.example.myapplication.MainAbility",
    "deviceType": [ //当前我们建立项目可运行的设备
      "phone"
    ],
    "distro": {
      "deliveryWithInstall": true,
      "moduleName": "entry",
      "moduleType": "entry",
      "installationFree": false
    },
    "abilities": [//多少个界面，要进行配置
      {
        "skills": [
          {
            "entities": [
              "entity.system.home"
            ],
            "actions": [
              "action.system.home"
            ]
          }
        ],
        "orientation": "unspecified",
        "visible": true,
        "name": "com.example.myapplication.MainAbility",
        "icon": "$media:icon",
        "description": "$string:mainability_description",
        "label": "$string:entry_MainAbility",
        "type": "page",
        "launchType": "standard"
      }
    ]
  }
}

package com.example.myapplication.slice;

import com.example.myapplication.ResourceTable;
import ohos.aafwk.ability.AbilitySlice;
import ohos.aafwk.content.Intent;

//当前页面内容展示（初始化），所有内容放在ability_main.xml文件中
public class MainAbilitySlice extends AbilitySlice {
    @Override
    public void onStart(Intent intent) {
        super.onStart(intent);
        super.setUIContent(ResourceTable.Layout_ability_main);
//        setUIContent给当前页面设置UI组件内容（页面元素内容）
//        去掉这句，页面就没有内容了————启动瞬间会被关闭
    }

    @Override
    public void onActive() {
        super.onActive();
    }

    @Override
    public void onForeground(Intent intent) {
        super.onForeground(intent);
    }
}

package com.example.myapplication;

import com.example.myapplication.slice.MainAbilitySlice;
import ohos.aafwk.ability.Ability;
import ohos.aafwk.content.Intent;

public class MainAbility extends Ability {
    @Override
    public void onStart(Intent intent) {
        super.onStart(intent);
//        设置当前页面绑定的页面路由，访问MainAbilitySlice的内容
        super.setMainRoute(MainAbilitySlice.class.getName());
    }
}

package com.example.myapplication;

import ohos.aafwk.ability.AbilityPackage;

public class MyApplication extends AbilityPackage {
    @Override
    public void onInitialize() {
        super.onInitialize();
    }
}