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;
}
}
<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>
<?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
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| Android Emulator for output |
 |
| My first android app |
