Android项目实战（五十一）：浅谈GreenDao

compile 'org.greenrobot:greendao:3.2.0'

apply plugin: 'org.greenrobot.greendao'

  dependencies {

        classpath 'org.greenrobot:greendao-gradle-plugin:3.2.1'
    }

 greendao {
        schemaVersion 1//数据库版本号
        daoPackage 'com.xxx.xxx.base.database'//设置DaoMaster、DaoSession、Dao包名
        targetGenDir 'src/main/java'//设置DaoMaster、DaoSession、Dao目录
        //targetGenDirTest：设置生成单元测试目录
        //generateTests：设置自动生成单元测试用例
    }
dependencies{}

@Entity
public class HX_User {
    @Id
    private String id;
    private String userName;
    private String avatar;
}

@Entity
public class HX_User {
    @Id
    private String id;
    private String userName;
    private String avatar;
    @Generated(hash = 546596795)
    public HX_User(String id, String userName, String avatar) {
        this.id = id;
        this.userName = userName;
        this.avatar = avatar;
    }
    @Generated(hash = 1952360032)
    public HX_User() {
    }
    public String getId() {
        return this.id;
    }
    public void setId(String id) {
        this.id = id;
    }
    public String getUserName() {
        return this.userName;
    }
    public void setUserName(String userName) {
        this.userName = userName;
    }
    public String getAvatar() {
        return this.avatar;
    }
    public void setAvatar(String avatar) {
        this.avatar = avatar;
    }
}

public class XApplication extends Application{

    private static DaoSession mDaoSession;

    @Override
    public void onCreate() {
        super.onCreate();

        // 初始化数据库
        setupDataBase(this);

    }

    private void setupDataBase(Context context){
        DaoMaster.DevOpenHelper openHelper = new DaoMaster.DevOpenHelper(context,"HX_DB");
        Database db = openHelper.getWritableDb();
        DaoMaster daoMaster = new DaoMaster(db);
        mDaoSession = daoMaster.newSession();
    }

    public static DaoSession getDaoSession(){
        return mDaoSession;
    }

}

XApplication.getDaoSession().getHX_UserDao().insertOrReplace(currentUser);

XApplication.getDaoSession().getHX_UserDao().delete(currentUser);

XApplication.getDaoSession().getHX_UserDao().update(currentUser);

List<HX_User> list = XApplication.getDaoSession().getHX_UserDao().queryBuilder().where(HX_UserDao.Properties.Id.eq(uid)).list();