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HomeWork RecycleView #33

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7 changes: 4 additions & 3 deletions app/build.gradle
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Original file line number Diff line number Diff line change
Expand Up @@ -4,12 +4,12 @@ plugins {
}

android {
compileSdk 32
compileSdk 34

defaultConfig {
applicationId "otus.gpb.recyclerview"
minSdk 23
targetSdk 32
minSdk 24
targetSdk 34
versionCode 1
versionName "1.0"

Expand All @@ -29,6 +29,7 @@ android {
kotlinOptions {
jvmTarget = '1.8'
}
namespace 'otus.gpb.recyclerview'
}

dependencies {
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3 changes: 1 addition & 2 deletions app/src/main/AndroidManifest.xml
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@@ -1,7 +1,6 @@
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
package="otus.gpb.recyclerview">
xmlns:tools="http://schemas.android.com/tools">

<application
android:allowBackup="true"
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151 changes: 151 additions & 0 deletions app/src/main/java/otus/gpb/recyclerview/Chat.kt
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@@ -0,0 +1,151 @@
package otus.gpb.recyclerview

class Chat {
fun fillData(): MutableList<Item> {
return mutableListOf(
Item(
avatar = R.drawable.avatar_pizza,
name = "Pizza",
message = "Yes,they are necessary",
comment = "jija",
date = "11.38 AM",
mute = true,
verify = false,
unreadMessages = 0,
check = false,
doubleCheck = false,
scum = false,
pictureInMessage = true
),
Item(
avatar = R.drawable.avatar_elon,
name = "Elon",
message = "I love /r/Reddit!",
comment = "",
date = "12.44 AM",
mute = true,
verify = false,
unreadMessages = 0,
check = false,
doubleCheck = false,
scum = false,
pictureInMessage = false
),
Item(
avatar = R.drawable.avatar_pasha,
name = "Pasha",
message = "How are u?",
comment = "",
date = "Fri",
mute = true,
verify = false,
unreadMessages = 0,
check = false,
doubleCheck = false,
scum = false,
pictureInMessage = false
),
Item(
avatar = R.drawable.kitty,
name = "Kitty",
message = "The time is now",
comment = "",
date = "Thu",
mute = true,
verify = false,
unreadMessages = 0,
check = false,
doubleCheck = true,
scum = false,
pictureInMessage = false
),

Item(
avatar = R.drawable.avatar_telegram,
name = "Telegram Support",
message = "Yes it happened",
comment = "Support",
date = "Thu",
mute = false,
verify = true,
unreadMessages = 1,
check = false,
doubleCheck = false,
scum = false,
pictureInMessage = false
),

Item(
avatar = R.drawable.avatar_karina,
name = "Karina",
message = "Okey",
comment = "",
date = "Wed",
mute = false,
verify = false,
unreadMessages = 0,
check = true,
doubleCheck = false,
scum = false,
pictureInMessage = false
),

Item(
avatar = R.drawable.avatar_marilyn,
name = "Marilyn",
message = "Will it ever happen",
comment = "",
date = "May 02",
mute = false,
verify = false,
unreadMessages = 0,
check = false,
doubleCheck = true,
scum = true,
pictureInMessage = false
),
Item(
avatar = R.drawable.avatar_pizza,
name = "Pizza",
message = "Yes,they are necessary",
comment = "jija",
date = "11.38 AM",
mute = true,
verify = false,
unreadMessages = 0,
check = false,
doubleCheck = false,
scum = false,
pictureInMessage = false
),
Item(
avatar = R.drawable.avatar_elon,
name = "Elon",
message = "I love r/r/Reddit!",
comment = "",
date = "12.44 AM",
mute = true,
verify = false,
unreadMessages = 0,
check = false,
doubleCheck = false,
scum = false,
pictureInMessage = false
),
Item(
avatar = R.drawable.avatar_pasha,
name = "Pasha",
message = "How are u?",
comment = "",
date = "Fri",
mute = true,
verify = false,
unreadMessages = 0,
check = false,
doubleCheck = false,
scum = false,
pictureInMessage = false
)
)
}
}
39 changes: 39 additions & 0 deletions app/src/main/java/otus/gpb/recyclerview/ChatAdapter.kt
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@@ -0,0 +1,39 @@
package otus.gpb.recyclerview

import android.view.LayoutInflater
import android.view.ViewGroup
import androidx.recyclerview.widget.RecyclerView

class ChatAdapter: RecyclerView.Adapter<PersonViewHolder>() {
private var chatList = mutableListOf<Item>()

override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): PersonViewHolder {
val itemView = LayoutInflater.from(parent.context)
.inflate(R.layout.person_item, parent, false)
return PersonViewHolder(itemView)
}

override fun getItemCount() = chatList.size

override fun onBindViewHolder(holder: PersonViewHolder, position: Int) {
val chat = chatList[position]
holder.bind(chat)
}

fun setItems(items: MutableList<Item>) {
chatList = items
notifyDataSetChanged()
}

fun addItems(items: MutableList<Item>) {
chatList.addAll(items)
notifyItemRangeChanged(1,10)
}

fun removeItem(adapterPosition: Int) {
val newList = chatList.toMutableList().apply {
removeAt(adapterPosition)
}
setItems(newList)
}
}
33 changes: 33 additions & 0 deletions app/src/main/java/otus/gpb/recyclerview/DividerItemDecoration.kt
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package otus.gpb.recyclerview

import android.graphics.Canvas
import android.graphics.Color
import android.graphics.Paint
import android.graphics.Rect
import androidx.recyclerview.widget.RecyclerView

class DividerItemDecoration: RecyclerView.ItemDecoration() {

private val bounds = Rect()
private val paint = Paint().apply {
color = Color.parseColor("#8D8E90")
strokeWidth = 2f
}

override fun onDraw(canvas: Canvas, parent: RecyclerView, state: RecyclerView.State) {
super.onDraw(canvas, parent, state)

val childCount = parent.childCount
for (i in 0 until childCount) {
val child = parent.getChildAt(i)
parent.getDecoratedBoundsWithMargins(child, bounds)
canvas.drawLine(
210f,
bounds.top.toFloat(),
bounds.right.toFloat(),
bounds.top.toFloat(),
paint
)
}
}
}
16 changes: 16 additions & 0 deletions app/src/main/java/otus/gpb/recyclerview/Item.kt
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@@ -0,0 +1,16 @@
package otus.gpb.recyclerview

data class Item(
val avatar: Int,
val name: String,
val message: String,
val comment: String = "",
val date: String,
val mute: Boolean = false,
val verify: Boolean = false,
val unreadMessages: Int,
val check: Boolean = false,
val doubleCheck: Boolean = false,
val scum: Boolean = false,
val pictureInMessage: Boolean = false
)
83 changes: 83 additions & 0 deletions app/src/main/java/otus/gpb/recyclerview/ItemTouchHelperCallback.kt
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@@ -0,0 +1,83 @@
package otus.gpb.recyclerview

import android.content.res.Resources
import android.graphics.Canvas
import android.graphics.Color
import android.graphics.Paint
import android.graphics.drawable.ColorDrawable
import androidx.core.content.ContextCompat
import androidx.recyclerview.widget.ItemTouchHelper
import androidx.recyclerview.widget.RecyclerView

class ItemTouchHelperCallback(
private val chatAdapter: ChatAdapter,
private val resources: Resources
) : ItemTouchHelper.Callback() {
override fun getMovementFlags(
recyclerView: RecyclerView,
viewHolder: RecyclerView.ViewHolder
): Int {
return makeMovementFlags(
ItemTouchHelper.DOWN,
ItemTouchHelper.LEFT
)
}

override fun onMove(
recyclerView: RecyclerView,
viewHolder: RecyclerView.ViewHolder,
target: RecyclerView.ViewHolder
): Boolean {
return true
}

override fun onChildDraw(
canvas: Canvas,
recyclerView: RecyclerView,
viewHolder: RecyclerView.ViewHolder,
dX: Float,
dY: Float,
actionState: Int,
isCurrentlyActive: Boolean
) {
val itemView = viewHolder.itemView
val background = ColorDrawable(Color.parseColor("#66A9E0"))

background.setBounds(itemView.right + dX.toInt(), itemView.top, itemView.right, itemView.bottom)
background.draw(canvas)

val scaledDensity = resources.displayMetrics.scaledDensity
val density = resources.displayMetrics.density

fun spToPx(sp: Float): Float = sp * scaledDensity
fun dpToPx(dp:Int): Int = (density * dp + 0.5f).toInt()

val archiveIcon = ContextCompat.getDrawable(itemView.context, R.drawable.archive)
val iconHeight = archiveIcon?.intrinsicHeight!!

val iconTop = itemView.top + dpToPx(16)
val iconBottom = iconTop + iconHeight
val iconRight = itemView.right - dpToPx(29)
val iconLeft = iconRight - archiveIcon.intrinsicWidth

archiveIcon.setBounds(iconLeft, iconTop, iconRight, iconBottom)
archiveIcon.draw(canvas)

val textPaint = Paint().apply {
color = Color.WHITE
textSize = spToPx(13F)
}
val text = "Archive"
val textWidth = textPaint.measureText(text)
val textX = itemView.right - dpToPx(20).toFloat() - textWidth
val textY = itemView.bottom - dpToPx(16).toFloat()

canvas.drawText(text, textX, textY, textPaint)
super.onChildDraw(canvas, recyclerView, viewHolder, dX, dY, actionState, isCurrentlyActive)
}

override fun onSwiped(viewHolder: RecyclerView.ViewHolder, direction: Int) {
val position = viewHolder.adapterPosition
chatAdapter.removeItem(position)
}
}
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