Start New Activity When Button is Clicked in Android

In this example, I will show how to start a new activity(new screen) when a button is clicked in android application. Here, if you click the click me button, you will see the new activity(second activity).

Related:
How to Change Android Button on Click/Press Color
How to Set Android Button and TextView Border Color
How to Add Ripple Effect/Animation to a Android Button

XML Layout File
Add the following xml code in your activity_main.xml file.
res/layout/activity_main.xml

Now, create a new xml layout called activity_second.xml and add following.
res/layout/activity_second.xml

Java Activity File
Following is the java code of MainActivity.java file.
src/MainActivity.java

Again, create a new java file called SecondActivity.java and add following code.
src/SecondActivity.java

AndroidManifest.xml File
Following is the final code of AndroidManifest.xml file.

Now, run your application and click the click me button, you will see the new activity.

Start New Activity