Initial project

kozmi55 · Aug 22, 2017 · ca29cad · ca29cad
1 parent 3195aed
commit ca29cad
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Showing 3 changed files with 120 additions and 14 deletions.
diff --git a/app/build.gradle b/app/build.gradle
@@ -41,6 +41,7 @@ dependencies {
     implementation 'com.facebook.stetho:stetho:1.5.0'
     implementation 'com.android.support:appcompat-v7:26.0.1'
     implementation 'com.android.support:recyclerview-v7:26.0.1'
+    implementation 'com.android.support:design:26.0.1'
 
     kapt "android.arch.persistence.room:compiler:1.0.0-alpha9"
     kapt 'com.google.dagger:dagger-compiler:2.11'

diff --git a/...java/com/example/tamaskozmer/kotlinrxexample/presentation/view/activities/MainActivity.kt b/...java/com/example/tamaskozmer/kotlinrxexample/presentation/view/activities/MainActivity.kt
@@ -1,23 +1,108 @@
 package com.example.tamaskozmer.kotlinrxexample.view.activities
 
 import android.os.Bundle
+import android.support.design.widget.Snackbar
 import android.support.v7.app.AppCompatActivity
+import android.support.v7.widget.LinearLayoutManager
+import android.support.v7.widget.RecyclerView
+import android.view.View
+import android.widget.Toast
 import com.example.tamaskozmer.kotlinrxexample.R
-import com.example.tamaskozmer.kotlinrxexample.view.fragments.UserListFragment
+import com.example.tamaskozmer.kotlinrxexample.di.modules.UserListFragmentModule
+import com.example.tamaskozmer.kotlinrxexample.presentation.presenters.UserListPresenter
+import com.example.tamaskozmer.kotlinrxexample.presentation.view.UserListView
+import com.example.tamaskozmer.kotlinrxexample.presentation.view.viewmodels.UserViewModel
+import com.example.tamaskozmer.kotlinrxexample.util.customApplication
+import com.example.tamaskozmer.kotlinrxexample.view.adapters.UserListAdapter
+import kotlinx.android.synthetic.main.activity_main.*
 
-class MainActivity : AppCompatActivity() {
+class MainActivity : AppCompatActivity(), UserListView {
+
+    private val presenter: UserListPresenter by lazy { component.presenter() }
+    private val component by lazy { customApplication.component.plus(UserListFragmentModule()) }
+    private val adapter by lazy {
+        val userList = mutableListOf<UserViewModel>()
+        UserListAdapter(userList) {
+            user -> showUserClickedSnackbar(user)
+        }
+    }
+
+    private lateinit var layoutManager: LinearLayoutManager
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
 
-        addUserListFragment()
+        initViews()
+        initAdapter()
+
+        presenter.attachView(this)
+
+        showLoading()
+        presenter.getUsers()
+    }
+
+    override fun onDestroy() {
+        presenter.detachView()
+        super.onDestroy()
+    }
+
+    private fun initViews() {
+        swipeRefreshLayout.setOnRefreshListener {
+            presenter.getUsers(forced = true)
+        }
+    }
+
+    // region View interface methods
+    override fun showLoading() {
+        swipeRefreshLayout.isRefreshing = true
+    }
+
+    override fun hideLoading() {
+        swipeRefreshLayout.isRefreshing = false
+    }
+
+    override fun addUsersToList(users: List<UserViewModel>) {
+        val adapter = recyclerView.adapter as UserListAdapter
+        adapter.addUsers(users)
+    }
+
+    override fun showEmptyListError() {
+        errorView.visibility = View.VISIBLE
+    }
+
+    override fun hideEmptyListError() {
+        errorView.visibility = View.GONE
+    }
+
+    override fun showToastError() {
+        Toast.makeText(this, "Error loading data", Toast.LENGTH_SHORT).show()
+    }
+
+    override fun clearList() {
+        adapter.clearUsers()
+    }
+    // endregion
+
+    private fun initAdapter() {
+        layoutManager = LinearLayoutManager(customApplication)
+        recyclerView.layoutManager = layoutManager
+
+        recyclerView.adapter = adapter
+
+        recyclerView.addOnScrollListener(object : RecyclerView.OnScrollListener() {
+            override fun onScrolled(recyclerView: RecyclerView?, dx: Int, dy: Int) {
+
+                val lastVisibleItemPosition = layoutManager.findFirstVisibleItemPosition() + layoutManager.childCount
+                val totalItemCount = layoutManager.itemCount
+
+                presenter.onScrollChanged(lastVisibleItemPosition, totalItemCount)
+            }
+        })
     }
 
-    private fun addUserListFragment() {
-        supportFragmentManager
-                .beginTransaction()
-                .replace(R.id.fragmentContainer, UserListFragment())
-                .commit()
+    private fun showUserClickedSnackbar(user: UserViewModel) {
+        Snackbar.make(recyclerView, "${user.displayName}: ${user.reputation} pts", Snackbar.LENGTH_SHORT)
+                .show()
     }
 }
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
@@ -1,12 +1,32 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:orientation="vertical">
+    tools:context="com.example.tamaskozmer.kotlinrxexample.view.activities.MainActivity">
 
-    <FrameLayout
-        android:id="@+id/fragmentContainer"
+    <TextView
+        android:id="@+id/errorView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:drawablePadding="16dp"
+        android:drawableTop="@drawable/ic_error"
+        android:padding="16dp"
+        android:text="@string/user_list_error"
+        android:visibility="gone"/>
+
+    <android.support.v4.widget.SwipeRefreshLayout
+        android:id="@+id/swipeRefreshLayout"
         android:layout_width="match_parent"
-        android:layout_height="match_parent" />
+        android:layout_height="match_parent">
+
+        <android.support.v7.widget.RecyclerView
+            android:id="@+id/recyclerView"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:scrollbars="vertical" />
+
+    </android.support.v4.widget.SwipeRefreshLayout>
 
-</LinearLayout>
+</FrameLayout>