First Android program.

  Now Lets Start with the Basic of First Android Program Hello World! in Android Studio.

Setp-1 

Open Android Studio

Step -2

New > New Project > Empty Activity

Step 3 -

Change Project Name to Anything Suitable for you then click on Finish.

Wait for Gradle Build  & Gradle Configuration. Then Open activity_main.xml then 

<TextView
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Hello World!"
    app:layout_constraintBottom_toBottomOf="parent"
    app:layout_constraintEnd_toEndOf="parent"
    app:layout_constraintStart_toStartOf="parent"
    app:layout_constraintTop_toTopOf="parent" />

Change 

androi:text="Hellow World!" to any thing this is our first Program in Android Studio.

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In next Blog I tell you about how this XML code works.