Create an Android Application that displays list of Tourist places of world. On selecting one of them it should locate that on Google Map with description of that place.

Activity_main :


?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.example.swapnil.mapclg.MainActivity"> <!-- change to proper context-->

    <Button
        android:id="@+id/b1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="51dp"
        android:text="Taj Mahal"
        android:layout_marginLeft="132dp"
        android:layout_marginStart="132dp"
        android:layout_alignParentTop="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true" />

    <Button
        android:id="@+id/b2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="25dp"
        android:text="Eiffel Tower"
        android:layout_below="@+id/b1"
        android:layout_alignLeft="@+id/b1"
        android:layout_alignStart="@+id/b1" />

    <Button
        android:id="@+id/b3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="18dp"
        android:text="Greate Wall of china"
        android:layout_below="@+id/b2"
        android:layout_alignLeft="@+id/b2"
        android:layout_alignStart="@+id/b2" />

</RelativeLayout>

Activity_maps.xml :

<fragment xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:map="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/map"
    android:name="com.google.android.gms.maps.SupportMapFragment"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.example.swapnil.mapclg.MapsActivity" /> <!-- change to proper context-->

MainActivity.java :

package com.example.swapnil.mapclg;//  keep your package as it is and copy paste from next line

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;

public class MainActivity extends AppCompatActivity {
    Button b1,b2,b3;
    Intent ii;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        b1=(Button)findViewById(R.id.b1);
        b2=(Button)findViewById(R.id.b2);
        b3=(Button)findViewById(R.id.b3);
        b1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                ii=new Intent(getApplicationContext(),MapsActivity.class);
                ii.putExtra("lati","27.1750");
                ii.putExtra("longi","78.0422");
                ii.putExtra("desc","Symbol of love");
                startActivity(ii);
            }
        });
        b2.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) { ii=new Intent(getApplicationContext(),MapsActivity.class);
                ii.putExtra("lati","48.858093");
                ii.putExtra("longi","2.294694");
                ii.putExtra("desc","currently the most famous symbol of Paris.");
                startActivity(ii);


            }
        });
        b3.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                ii=new Intent(getApplicationContext(),MapsActivity.class);
                ii.putExtra("lati","40.431908");
                ii.putExtra("longi","116.570374");
                ii.putExtra("desc","represents the unification of China");
                startActivity(ii);

            }
        });
    }
}

MapsActivity.java :

package com.example.swapnil.mapclg; // keep your package as it is and copy paste from next line

import android.support.annotation.FloatRange;
import android.support.v4.app.FragmentActivity;
import android.os.Bundle;

import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.OnMapReadyCallback;
import com.google.android.gms.maps.SupportMapFragment;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;

public class MapsActivity extends FragmentActivity implements OnMapReadyCallback {

    private GoogleMap mMap;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_maps);
        // Obtain the SupportMapFragment and get notified when the map is ready to be used.
        SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
                .findFragmentById(R.id.map);
        mapFragment.getMapAsync(this);
    }



    @Override
    public void onMapReady(GoogleMap googleMap) {
        mMap = googleMap;

        float lat= Float.parseFloat(getIntent().getStringExtra("lati"));
        float longi=Float.parseFloat(getIntent().getStringExtra("longi"));
        String a=getIntent().getStringExtra("desc");
        LatLng sydney = new LatLng(lat,longi);
        mMap.addMarker(new MarkerOptions().position(sydney).title(a));
        mMap.moveCamera(CameraUpdateFactory.newLatLng(sydney));
    }
}

AndroidManifest.xml : 

Write below line exactly above <application> tag

<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />

Output :