MainActivity.kt
package com.example.jetpack
import android.content.Context
import android.net.Uri
import android.os.Bundle
import androidx.appcompat.app.AppCompatActivity
import kotlinx.android.synthetic.main.activity_main.*
class MainActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
// get raw resource uri programmatically by raw resource id
// get resource uri from res/raw folder
val uriById = rawResourceUriById(R.raw.yellow_flower)
textView.text = uriById.toString()
imageView.setImageURI(uriById)
// get raw resource uri by resource name, without file extension
val uriByName = rawResourceUriByName("tulip")
textView2.text = uriByName.toString()
imageView2.setImageURI(uriByName)
}
}
// extension function to get raw resource uri by resource id
fun Context.rawResourceUriById(id: Int):Uri{
return Uri.parse("android.resource://$packageName/$id")
}
// extension function to get raw resource uri by resource name
fun Context.rawResourceUriByName(fileName:String):Uri{
// get resource uri from res/raw folder by file name
return Uri.parse("android.resource://$packageName/raw/$fileName")
}
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout
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:id="@+id/constraintLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#EDEAE0"
tools:context=".MainActivity">
<ImageView
android:id="@+id/imageView"
android:layout_width="0dp"
android:layout_height="200dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
tools:srcCompat="@tools:sample/avatars" />
<TextView
android:id="@+id/textView"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
android:text="TextView"
android:padding="8dp"
android:fontFamily="sans-serif-condensed-medium"
android:textSize="22sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/imageView" />
<ImageView
android:id="@+id/imageView2"
android:layout_width="0dp"
android:layout_height="200dp"
android:layout_marginStart="8dp"
android:layout_marginTop="16dp"
android:layout_marginEnd="8dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/textView"
tools:srcCompat="@tools:sample/avatars" />
<TextView
android:id="@+id/textView2"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
android:fontFamily="sans-serif-condensed-medium"
android:padding="8dp"
android:text="TextView"
android:textSize="22sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/imageView2" />
</androidx.constraintlayout.widget.ConstraintLayout>
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