Soma at 23:48, 15 March 2021

2021-03-15T23:48:05Z

← Older revision		Revision as of 23:48, 15 March 2021
Line 2:		Line 2:

	Video for the lecture given on March 10, 2021 [https://homeostasis.scs.carleton.ca/~soma/mad-2021w/lectures/comp1601-2021w-lec15-20210310.m4v is now available].		Video for the lecture given on March 10, 2021 [https://homeostasis.scs.carleton.ca/~soma/mad-2021w/lectures/comp1601-2021w-lec15-20210310.m4v is now available].

			==Code==

			[https://homeostasis.scs.carleton.ca/~soma/mad-2021w/code/Mar10.zip Mar10.zip]

			===MainActivity,kt===

			<syntaxhighlight lang="kotlin" line>
			package carleton.comp1601.mar10

			import androidx.appcompat.app.AppCompatActivity
			import android.os.Bundle
			import android.view.View
			import android.widget.TextView

			class MainActivity : AppCompatActivity() {
			private lateinit var myMessage: TextView
			private var count = 0

			override fun onCreate(savedInstanceState: Bundle?) {
			super.onCreate(savedInstanceState)
			setContentView(R.layout.activity_main)

			myMessage = findViewById(R.id.myMessage)
			}

			fun myButtonPressed(v: View) {
			count++
			myMessage.text = "You clicked $count times."
			}
			}
			</syntaxhighlight>

			===activity_main.xml===

			<syntaxhighlight lang="xml" line>
			<?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/Mar10"
			android:layout_width="match_parent"
			android:layout_height="match_parent"
			tools:context=".MainActivity">

			<Button
			android:id="@+id/myButton"
			android:layout_width="wrap_content"
			android:layout_height="wrap_content"
			android:onClick="myButtonPressed"
			android:text="Tap me!"
			android:textAppearance="@style/TextAppearance.AppCompat.Display1"
			app:layout_constraintBottom_toTopOf="@+id/myMessage"
			app:layout_constraintEnd_toEndOf="parent"
			app:layout_constraintStart_toStartOf="parent"
			app:layout_constraintTop_toTopOf="parent" />

			<TextView
			android:id="@+id/myMessage"
			android:layout_width="wrap_content"
			android:layout_height="wrap_content"
			android:text="You haven't tapped yet."
			android:textAppearance="@style/TextAppearance.AppCompat.Display1"
			app:layout_constraintBottom_toBottomOf="parent"
			app:layout_constraintLeft_toLeftOf="parent"
			app:layout_constraintRight_toRightOf="parent"
			app:layout_constraintTop_toTopOf="parent" />

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

Soma: Created page with "==Video== Video for the lecture given on March 10, 2021 [https://homeostasis.scs.carleton.ca/~soma/mad-2021w/lectures/comp1601-2021w-lec15-20210310.m4v is now available]."

2021-03-11T03:37:51Z

Created page with "==Video== Video for the lecture given on March 10, 2021 [https://homeostasis.scs.carleton.ca/~soma/mad-2021w/lectures/comp1601-2021w-lec15-20210310.m4v is now available]."

New page

==Video==

Video for the lecture given on March 10, 2021 [https://homeostasis.scs.carleton.ca/~soma/mad-2021w/lectures/comp1601-2021w-lec15-20210310.m4v is now available].

Mobile App Development 2021W Lecture 15 - Revision history

Soma at 23:48, 15 March 2021

Soma: Created page with "==Video== Video for the lecture given on March 10, 2021 [https://homeostasis.scs.carleton.ca/~soma/mad-2021w/lectures/comp1601-2021w-lec15-20210310.m4v is now available]."