Adding readme file and its contens

README.md

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+# Location_demo_app
+
+# Phone Location Deme Android App
+
+The Phone Location Demo Android App is a simple application that demonstrates how to retrieve the current location of an Android device using the device's GPS or network provider. It serves as a basic starting point for developers who want to integrate location-based features into their Android apps.
+
+## Features
+
+- Retrieves the current latitude and longitude of the device.
+- Displays the current location on a map using Google Maps API.
+- Allows users to switch between GPS and network provider for location updates.
+- Provides a user-friendly interface for easy interaction.
+
+## Prerequisites
+
+- Android Studio: Make sure you have Android Studio installed on your development machine.
+- Google Play Services: The app uses Google Maps API, so make sure you have the necessary Google Play Services dependencies configured in your project.
+
+## Installation
+
+1. Clone the repository to your local machine using the following command: `git clone https://github.com/your-username/Location_demo_app.git`
+