#Sample code for simple android application full#

The main activity code is a Java file MainActivity.java. Full Code for the User Interface for Android Simple Calculator App. This is an auto generated file which contains compileSdkVersion, buildToolsVersion, applicationId, minSdkVersion, targetSdkVersion, versionCode and versionNameįollowing section will give a brief overview of the important application files.

#Sample code for simple android application free#

This is the manifest file which describes the fundamental characteristics of the app and defines each of its components. Explore Android Studio Sample Projects with Source Code Free Download, Android Projects, Android Apps Based Computer Engineering Project Topics 2017, Top Latest IEEE Mobile Computing Synopsis. This is a directory for other various XML files that contain a collection of resources, such as strings and colours definitions. This is a directory for files that define your app's user interface. This is a directory for drawable objects that are designed for high-density screens. By default, it includes an MainActivity.java source file having an activity class that runs when your app is launched using the app icon. Anatomy of Android Applicationīefore you run your app, you should be aware of a few directories and files in the Android project − Sr.No. The next level of installation should contain selecting the activity to mobile, it specifies the default layout for Applications.Īt the final stage it going to be open development tool to write the application code.

#Sample code for simple android application how to#

Browse samples to learn how to build different components for your applications. in a new installation frame should ask Application name, package information and location of the project.−Īfter entered application name, it going to be called select the form factors your application runs on, here need to specify Minimum SDK, in our tutorial, I have declared as API23: Android 6.0(Mashmallow) − A selection of code samples and templates for you to use to accelerate your app development. Open MainActivity class, you can access the Button (s) via its ID on Java code. You can start your application development by calling start a new android studio project. For example, Activity1 wants to call Activity2 to run, it will encapsulate what needs to say, and the request to an Intent object and send this Intent object to Activity2. When you click on Android studio icon, it will show screen as shown below

The first step is to create a simple Android Application using Android studio. So let us proceed to write a simple Android Application which will print 'Hello World!'. I also assume that you have a little bit working knowledge with Android studio. Before you start writing your first example using Android SDK, you have to make sure that you have set-up your Android development environment properly as explained in Android - Environment Set-up tutorial. I have already discuss how to send sms and how to get location.ĩ.Let us start actual programming with Android Framework. It’ll help you stay updated with all your tasks for the day. A Reminder App can help you set reminders for different events that you have throughout the day. This application can be used to get message of location when you start your mobile and it can be used to catch thief because when anyone steal your mobile and open your mobile than a message of thief's location will send to your given number. Android Project: This is a good project for beginners. myIntent.putExtra ( 'text1', 'This is text1 sent from MainActivity at ' + new Date ()) myIntent.putExtra ( 'text2', 'This is text2 sent from MainActivity at ' + new Date ()) // Start Example1Activity. this, Example1Activity.class) // Parameter for Intent. This application will show how to start an activity when we restart our mobile. Intent myIntent new Intent (MainActivity.

Android source code get Sim number on mobile restart:. This application is same as above example but we have used MySQL and PHP instead of SQLite to store and fetch data.Ĩ. Android source code for Login,Register page with MySQL and PHP:. Simple SQLite example are also available here:- How to use SQLite database in android.ħ.

#Sample code for simple android application password#

We used hide and show image in password field so we can hide and show entered password.

In this application, there are three pages Login,Registration and welcome pages.