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Krzysztof Dąbrowski IamCostello

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@IamCostello
IamCostello / MainActivity.kt
Created May 31, 2020 19:29
2# Opt-after
package com.example.kotlinpostapi.views
import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.fragment.app.Fragment
import androidx.lifecycle.Observer
import androidx.navigation.fragment.findNavController
import androidx.paging.PagedList
@IamCostello
IamCostello / MainActivity.kt
Created May 31, 2020 19:28
2# Opt-before
package com.example.kotlinpostapi
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import androidx.databinding.DataBindingUtil
import androidx.lifecycle.Observer
import androidx.recyclerview.widget.LinearLayoutManager
import androidx.recyclerview.widget.RecyclerView
import com.example.kotlinpostapi.Posts.PostAdapter
import com.example.kotlinpostapi.Posts.PostViewModel
@IamCostello
IamCostello / PostRepository.kt
Created May 31, 2020 19:19
1# Opt-after
package com.example.kotlinpostapi.repository
import androidx.annotation.MainThread
import androidx.lifecycle.LiveData
import androidx.lifecycle.MutableLiveData
import androidx.paging.toLiveData
import com.example.kotlinpostapi.Database.PostDao
import com.example.kotlinpostapi.apiObjects.Post
import com.example.kotlinpostapi.network.PostApiService
import androidx.lifecycle.switchMap
@IamCostello
IamCostello / PostRepository.kt
Created May 31, 2020 19:18
1# Opt-before
package com.example.kotlinpostapi.repository
import com.example.kotlinpostapi.apiObjects.Post
import com.example.kotlinpostapi.network.PostApiService
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.withContext
import timber.log.Timber
import java.lang.Exception
import com.example.kotlinpostapi.Result
import java.util.logging.Logger
@IamCostello
IamCostello / Navigation.kt
Created May 31, 2020 19:04
2# Refactor-after
package com.example.kotlinpostapi
import com.example.kotlinpostapi.apiObjects.Post
class Navigation {
interface OnUserClickListener{
fun onUserClick(userId: Int?)
}
interface OnPostClickListener{
@IamCostello
IamCostello / PostAdapter.kt
Created May 31, 2020 19:04
#2 Refactor-before
package com.example.kotlinpostapi.Posts
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.recyclerview.widget.RecyclerView
import com.example.kotlinpostapi.apiObjects.Post
import com.example.kotlinpostapi.databinding.PostViewBinding
class PostAdapter(posts : List<Post>, onUserClickListener: OnUserClickListener) : RecyclerView.Adapter<PostAdapter.PostsViewHolder>(){
@IamCostello
IamCostello / BaseRepository.kt
Created May 31, 2020 18:18
#1 Refactor-after
package com.example.kotlinpostapi.repository
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.withContext
import com.example.kotlinpostapi.util.Result
open class BaseRepository() {
suspend fun<T: Any> handleApiCall(call: suspend () -> T, errMessage: String): Result<T> {
return try{
val response = withContext(Dispatchers.IO) { call.invoke() }
@IamCostello
IamCostello / PostRepository.kt
Created May 31, 2020 18:14
#1 Refactor-before
package com.example.kotlinpostapi.repository
import com.example.kotlinpostapi.apiObjects.Post
import com.example.kotlinpostapi.network.PostApiService
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.withContext
import timber.log.Timber
import java.lang.Exception
import com.example.kotlinpostapi.Result
import java.util.logging.Logger
@IamCostello
IamCostello / Consumer.java
Created March 28, 2020 15:20
Observer pattern in practice using PropertyChange
package com.company;
class Consumer{
private Repository repository;
public Consumer(Repository repository){
this.repository = repository;
}
public void consume(){
@IamCostello
IamCostello / Data.java
Created March 23, 2020 01:26
Observer Pattern
package com.company;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
public class Data {
private String data;
private PropertyChangeSupport propertyChangeSupport;