AkshayChordiya

@Query("SELECT * FROM users")
fun getUsers(): Flowable<List<User>>

AkshayChordiya

@Query("SELECT * FROM users")
fun getUsers(): LiveData<List<User>>

AkshayChordiya

@Dao
interface UserDao {
  
    @Insert
    fun insertAll(users: List<User>)

    @Update
    fun update(user: User)

    @Delete

AkshayChordiya

@Entity(tableName = "users")
data class User(
        @PrimaryKey(autoGenerate = true) 
        var id: Int = 0,
        var name: String = "",
        @Ignore
        var secretId: String = ""
)

AkshayChordiya

@Entity(tableName = "users")
data class User(
        @PrimaryKey(autoGenerate = true) 
        var id: Int = 0,
        @ColumnInfo(name = "full_name")
        var name: String = ""
)

AkshayChordiya

@Entity(tableName = "users", primaryKeys = arrayOf("id", "name"))
data class User(
        var id: Int = 0,
        var name: String = ""
)

AkshayChordiya

@Entity(tableName = "users")
data class User(
        @PrimaryKey(autoGenerate = true) 
        var id: Int = 0,
        var name: String = ""
)

AkshayChordiya

class FileLiveData(private val context: Context) : LiveData<List<String>>() {
    private val fileObserver: FileObserver

    init {
        val path = File(context.filesDir, "users.txt").path
        fileObserver = object : FileObserver(path) {
            override fun onEvent(event: Int, path: String?) {
                // The file has changed, so let’s reload the data
                loadData()
            }

AkshayChordiya

class UserViewModel() : ViewModel() {   
  
    /**
     * The user
     */
    private var user: LiveData<User>
  
    /**
     * Full name of the user
     */

AkshayChordiya

class DetailUserActivity : LifecycleActivity() {
    
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_detail)

        // Get the ViewModel instance
        val userViewModel = ViewModelProviders.of(this).get(UserViewModel::class.java)
        userViewModel.setUserId(getSelectedUserId())
        userViewModel.getUser().observe(this, Observer {