My First Android App

Structure of the Problem Requirements 

Hi developers, we are going to started working on android application. In this tutorial we will make a simple app which contain some text and app logo. This simple app consist on one main class with the name MainActivity.java  and a activitymain.xml file and a string class which contain the text of app.Here is the source code of this app which help you in better understanding.

SOURCE CODE 

MainActivity.java

packagewww.ancodingpoint.com;

importandroid.os.Bundle;

importandroid.app.Activity;

importandroid.view.Menu;

public classMainActivity extendsActivity {

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

    }

    @Override

    public boolean onCreateOptionsMenu(Menu menu) {

        // Inflate the menu; this adds items to the action bar if it is present.

        getMenuInflater().inflate(R.menu.main, menu);

        return true;

    }

   

}

activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:paddingBottom="@dimen/activity_vertical_margin"

    android:paddingLeft="@dimen/activity_horizontal_margin"

    android:paddingRight="@dimen/activity_horizontal_margin"

    android:paddingTop="@dimen/activity_vertical_margin"

    tools:context=".MainActivity" >

    <TextView

        android:layout_width="match_parent"

        android:layout_height="match_parent"

        android:text="@string/hello_world"

        android:textSize="20sp" />

</RelativeLayout>

Strings.xml

<?xml version="1.0"encoding="utf-8"?>

<resources>

    <string name="app_name">Myfirstandriodapp</string>

    <string name="action_settings">Settings</string>

    <string name="hello_world">This is my first android post</string>

</resources>

OUTPUT OF THE PROGRAM

Android Emulator for output

My first android app

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About Author!

Asad Niazi is Software Engineer , Programmer, Web Developers and a young mentor of Tech Solutions Desk and Blogging Solutions . Asad Love to writes about Technology, Programming, Blogging and make money online.