Google Map Intent - Android Studio - Compose

How to open Google Maps with directions to a specific location (Latitude, Longitude)?

You may have a scenario where you want to open a specific location on Google Maps by clicking a button. In this tutorial, we will input the latitude and longitude, and by clicking a button, we will open that location in Google Maps.

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Code

MainActivity.kt

package com.technifysoft.myapplication

import android.content.Context
import android.content.Intent
import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.PaddingValues
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.height
import androidx.compose.foundation.layout.padding
import androidx.compose.material3.Button
import androidx.compose.material3.Scaffold
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.dp
import com.technifysoft.myapplication.ui.theme.MyApplicationTheme
import androidx.core.net.toUri

/**
 * MainActivityCompose is the main activity of the application, responsible for setting up the UI.
 */
class MainActivityCompose : ComponentActivity() {
    /**
     * Called when the activity is first created. This is where you should do all of your normal static set up:
     * create views, bind data to lists, etc. This method also provides you with a Bundle containing the activity's
     * previously frozen state, if there was one.
     */
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContent {
            MyApplicationTheme {

                Scaffold(
                    modifier = Modifier.fillMaxSize(),
                ) { innerPadding ->
                    MainUI(innerPadding)
                }

            }
        }
    }
}

@Composable
fun MainUI(innerPadding: PaddingValues) {
    // Get the current context
    val context = LocalContext.current

    //Location One: This is just for an example. Get/Use the required location coordinates you want
    val latitudeOne = "31.4842547"
    val longitudeOne = "74.3258446"

    //Location Two: This is just for an example. Get/Use the required location coordinates you want
    val latitudeTwo = "31.480912"
    val longitudeTwo = "74.329535"

    Column(
        modifier = Modifier
            .fillMaxSize()
            .padding(16.dp),
        horizontalAlignment = Alignment.CenterHorizontally,
        verticalArrangement = Arrangement.Center
    ) {
        Text(text = "Pin specific location in map")
        Spacer(modifier = Modifier.height(8.dp))
        Button(
            onClick = {
                pinLocationMap(context,latitudeOne, longitudeOne)
            },
            modifier = Modifier.fillMaxWidth()
        ) {
            Text(text = "Pin Location")
        }

        Spacer(modifier = Modifier.height(16.dp))
        Text(text = "Open Direction from current location to specific location")
        Spacer(modifier = Modifier.height(8.dp))
        Button(
            onClick = {
                directionFromCurrentMap(context,latitudeOne, longitudeOne)
            },
            modifier = Modifier.fillMaxWidth()
        ) {
            Text(text = "Direction from current")
        }

        Spacer(modifier = Modifier.height(16.dp))
        Text(text = "Open Direction between two specific locations")
        Spacer(modifier = Modifier.height(8.dp))
        Button(
            onClick = {
                directionBetweenTwoMap(context,latitudeOne, longitudeOne, latitudeTwo, longitudeTwo)

            },
            modifier = Modifier.fillMaxWidth()
        ) {
            Text(text = "Direction between specific")
        }
    }

}

private fun pinLocationMap(context: Context, latitude: String, longitude: String) {
    // Create a Uri from an intent string. Open map using intent to pin a specific location (latitude, longitude)
    val mapUri = "https://maps.google.com/maps/search/$latitude,$longitude".toUri()
    val intent = Intent(Intent.ACTION_VIEW, mapUri)
    context.startActivity(intent)
}

private fun directionFromCurrentMap(context: Context, destinationLatitude: String, destinationLongitude: String) {
    // Create a Uri from an intent string. Open map using intent to show direction from current location (latitude, longitude) to specific location (latitude, longitude)
    val mapUri = "https://maps.google.com/maps?daddr=$destinationLatitude,$destinationLongitude".toUri()
    val intent = Intent(Intent.ACTION_VIEW, mapUri)
    context.startActivity(intent)
}

private fun directionBetweenTwoMap(context: Context, sourceLatitude: String, sourceLongitude: String, destinationLatitude: String, destinationLongitude: String) {
    // Create a Uri from an intent string. Open map using intent to show direction between two specific locations
    val mapUri = "https://maps.google.com/maps?saddr=$sourceLatitude,$sourceLongitude&daddr=$destinationLatitude,$destinationLongitude".toUri()
    val intent = Intent(Intent.ACTION_VIEW, mapUri)
    context.startActivity(intent)
}

/**
 * GreetingPreview is a composable function for previewing the MainUI in Android Studio.
 * It is annotated with @Preview to enable live preview.
 *
 */
@Preview(showBackground = true)
@Composable
fun GreetingPreview() {
    MyApplicationTheme {
        MainUI(PaddingValues())
    }
}

Screenshots