Hi this is prasad,

Now i am explaining about how to create a phone book android app in android studio. This is a simple app for beginners who learn coding .I am adding basic features like list of contacts ,delete ,call functions etc. this app was fully writes on java coding. this is simple code structure. Now we see how can we develope this app. Lets go!!

Step1:Create a empty project in android studio

Step2:write this code on MainActivity.xml where we implement a listView in that. First add listView widget in Xml documents.

Step3:Now we have to create a item from layout resource file.Click on res>layout>new Layout resource file.

Step4:Now we create an adapter for showing list of contacts we have added.

Step5:In MainActivity.java we have to initialize all components here.we add an adapter, listView etc.

Step6:Now we are taking a floating action buuton which was used to make call for particular number.

click on this button we will go to next activity.

Step7:In MainActivity2.Java we are here to create a call function for particular number.

we create desing in mainActivity.xml file with one edit text and button.when we entered a number on editText and clicked on button it makes a call.



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