MainActivity.kt
package com.example.jetpack
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)
val string = "Lorem Ipsum is simply dummy text \nof the" +
" printing and typesetting industry. Lorem" +
" Ipsum has been the industry's \nstandard dummy" +
" text ever since \nthe 1500s, when an unknown" +
" printer took a galley of type \nand scrambled" +
" it to make a type specimen book."
textView.text = string
/*
source: kotlinlang.org
Splits this char sequence to a list of lines delimited by
any of the following character sequences: CRLF, LF or CR.
The lines returned do not include terminating line separators.
*/
// Split string into lines
val lines:List<String> = string.lines()
textView.append("\n\n\nLines (${lines.size})....")
lines.forEach {
textView.append("\n\n" + it)
}
}
}
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:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<TextView
android:id="@+id/textView"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:textAppearance="@style/TextAppearance.AppCompat.Large"
android:textColor="#2A52BE"
android:textStyle="normal"
android:textSize="20sp"
android:fontFamily="sans-serif-condensed"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
</androidx.constraintlayout.widget.ConstraintLayout>