Skip to content

Commit

Permalink
#6 - Use DataBinding with RecyclerView
Browse files Browse the repository at this point in the history
  • Loading branch information
@jhg3410
jhg3410 committed Jul 5, 2022
1 parent 200e391 commit 130bc12
Show file tree
Hide file tree
Showing 2 changed files with 53 additions and 49 deletions.
19 changes: 7 additions & 12 deletions ...p/src/main/java/com/example/android/trackmysleepquality/sleeptracker/SleepNightAdapter.kt
View file
Original file line number Diff line number Diff line change
@@ -1,9 +1,7 @@
package com.example.android.trackmysleepquality.sleeptracker

import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.ImageView
import android.widget.TextView
import androidx.recyclerview.widget.DiffUtil
import androidx.recyclerview.widget.ListAdapter
Expand All @@ -12,18 +10,16 @@ import com.example.android.trackmysleepquality.R
import com.example.android.trackmysleepquality.convertDurationToFormatted
import com.example.android.trackmysleepquality.convertNumericQualityToString
import com.example.android.trackmysleepquality.database.SleepNight
import com.example.android.trackmysleepquality.databinding.ListItemSleepNightBinding

class SleepNightAdapter : ListAdapter<SleepNight, SleepNightAdapter.ViewHolder>(SleepNightDiffCallback()) {

class ViewHolder private constructor(itemView: View) : RecyclerView.ViewHolder(itemView) {
private val sleepLength: TextView = itemView.findViewById(R.id.sleep_length)
private val quality: TextView = itemView.findViewById(R.id.quality_string)
private val qualityImage: ImageView = itemView.findViewById(R.id.quality_image)
class ViewHolder private constructor(private val binding: ListItemSleepNightBinding) : RecyclerView.ViewHolder(binding.root) {
fun bind(item: SleepNight) {
val res = itemView.context.resources
sleepLength.text = convertDurationToFormatted(item.startTimeMilli, item.endTimeMilli, res)
quality.text = convertNumericQualityToString(item.sleepQuality, res)
qualityImage.setImageResource(
binding.sleepLength.text = convertDurationToFormatted(item.startTimeMilli, item.endTimeMilli, res)
binding.qualityString.text = convertNumericQualityToString(item.sleepQuality, res)
binding.qualityImage.setImageResource(
when (item.sleepQuality) {
0 -> R.drawable.ic_sleep_0
1 -> R.drawable.ic_sleep_1
Expand All @@ -39,9 +35,8 @@ class SleepNightAdapter : ListAdapter<SleepNight, SleepNightAdapter.ViewHolder>(
companion object {
fun from(parent: ViewGroup): ViewHolder {
val layoutInflater = LayoutInflater.from(parent.context)
val view = layoutInflater.inflate(R.layout.list_item_sleep_night, parent, false)

return ViewHolder(view)
val binding = ListItemSleepNightBinding.inflate(layoutInflater, parent, false)
return ViewHolder(binding)
}
}
}
Expand Down
83 changes: 46 additions & 37 deletions RecyclerViewFundamentals-Starter/app/src/main/res/layout/list_item_sleep_night.xml
View file
Original file line number Diff line number Diff line change
@@ -1,44 +1,53 @@
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
<layout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="wrap_content">
xmlns:tools="http://schemas.android.com/tools">

<ImageView
android:id="@+id/quality_image"
android:layout_width="@dimen/icon_size"
android:layout_height="60dp"
android:layout_marginStart="16dp"
android:layout_marginTop="8dp"
android:layout_marginBottom="8dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
tools:srcCompat="@drawable/ic_sleep_5" />
<data>
<variable
name="sleep"
type="com.example.android.trackmysleepquality.database.SleepNight" />
</data>

<TextView
android:id="@+id/sleep_length"
android:layout_width="0dp"
android:layout_height="20dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="16dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toEndOf="@id/quality_image"
app:layout_constraintTop_toTopOf="@id/quality_image"
tools:text="Wednesday!!!" />
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">

<TextView
android:id="@+id/quality_string"
android:layout_width="0dp"
android:layout_height="20dp"
android:layout_marginTop="8dp"
app:layout_constraintEnd_toEndOf="@+id/sleep_length"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="@+id/sleep_length"
app:layout_constraintTop_toBottomOf="@+id/sleep_length"
tools:text="Excellent!!!" />
<ImageView
android:id="@+id/quality_image"
android:layout_width="@dimen/icon_size"
android:layout_height="60dp"
android:layout_marginStart="16dp"
android:layout_marginTop="8dp"
android:layout_marginBottom="8dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
tools:srcCompat="@drawable/ic_sleep_5" />

<TextView
android:id="@+id/sleep_length"
android:layout_width="0dp"
android:layout_height="20dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="16dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toEndOf="@id/quality_image"
app:layout_constraintTop_toTopOf="@id/quality_image"
tools:text="Wednesday!!!" />

</androidx.constraintlayout.widget.ConstraintLayout>
<TextView
android:id="@+id/quality_string"
android:layout_width="0dp"
android:layout_height="20dp"
android:layout_marginTop="8dp"
app:layout_constraintEnd_toEndOf="@+id/sleep_length"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="@+id/sleep_length"
app:layout_constraintTop_toBottomOf="@+id/sleep_length"
tools:text="Excellent!!!" />


</androidx.constraintlayout.widget.ConstraintLayout>
</layout>

0 comments on commit 130bc12

Please sign in to comment.