Book Image

Android Studio 3.5 Development Essentials - Java Edition

By : Neil Smyth
Book Image

Android Studio 3.5 Development Essentials - Java Edition

By: Neil Smyth

Overview of this book

Android applications have become an important part of our daily lives and lots of effort goes into developing an Android application. This book will help you to build you own Android applications using Java. Android Studio 3.5 Development Essentials – Java Edition first teaches you to install Android development and test environment on different operating systems. Next, you will create an Android app and a virtual device in Android Studio, and install an Android application on emulator. You will test apps on physical Android devices, then study Android Studio code editor and constraint layout, Android architecture, the anatomy of an Android app, and Android activity state changes. The book then covers advanced topics such as views and widgets implementation, multi-window support integration, and biometric authentication, and finally, you will learn to upload your app to Google Play console and handle the build process with Gradle. By the end of this book, you will have gained enough knowledge to develop powerful Android applications using Java.
Table of Contents (86 chapters)
86
Index

42.3 Implementing beginDelayedTransition Animation

The objective for the initial phase of this tutorial is to implement a touch handler so that when the user taps on the layout view the button view moves to the lower right-hand corner of the screen.

Open the MainActivity.java file (located in the Project tool window under app -> java -> com.ebookfrenzy.transitiondemo) and modify the onCreate() method to implement the onTouch handler:

package com.ebookfrenzy.transitiondemo;

 

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;

import androidx.constraintlayout.widget.ConstraintLayout;

import androidx.constraintlayout.widget.ConstraintSet;

import android.view.MotionEvent;

import android.widget.Button;

import android.view.View;

 

public class MainActivity extends AppCompatActivity {

 

    ConstraintLayout myLayout;

 

    @Override

   ...