Functionality in App
search
zoom in
zoom out
change map type
increase zoom level
Add Google Maps Activity in your project
OUTPUT
activity_maps.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<EditText
android:id="@+id/search"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:hint="Enter here" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="showAddressMap"
android:text="Go" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="mapType"
android:text="Type" />
</LinearLayout>
<FrameLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<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.malik.blog.MapsActivity" />
<Button
android:id="@+id/zoomIn"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="right"
android:onClick="onZoom"
android:text="Zoom In" />
<Button
android:id="@+id/zoomOut"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="onZoom"
android:text="Zoom Out" />
</FrameLayout>
</LinearLayout>
MapsActivity.java
package com.example.malik.blog;
import android.location.Address;
import android.location.Geocoder;
import android.support.v4.app.FragmentActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.EditText;
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;
import java.io.IOException;
import java.util.List;
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);
}
public void showAddressMap(View view) {
EditText editText = (EditText) findViewById(R.id.search);
String data = editText.getText().toString();
List<Address> address = null;
if (data != null || !data.equals("")) {
Geocoder geocoder = new Geocoder(this);
try {
address = geocoder.getFromLocationName(data, 1);
} catch (IOException e) {
e.printStackTrace();
}
Address address1 = address.get(0);
LatLng latLng = new LatLng(address1.getLatitude(), address1.getLongitude());
mMap.addMarker(new MarkerOptions().position(latLng).title("Marker in your place..."));
mMap.animateCamera(CameraUpdateFactory.newLatLngZoom(latLng, 15f));
}
}
public void mapType(View view) {
if (mMap.getMapType() == GoogleMap.MAP_TYPE_NORMAL) {
mMap.setMapType(GoogleMap.MAP_TYPE_SATELLITE);
} else {
mMap.setMapType(GoogleMap.MAP_TYPE_NORMAL);
}
}
public void onZoom(View view) {
if (view.getId() == R.id.zoomIn) {
mMap.animateCamera(CameraUpdateFactory.zoomIn());
}
if (view.getId() == R.id.zoomOut) {
mMap.animateCamera(CameraUpdateFactory.zoomOut());
}
}
/**
* Manipulates the map once available.
* This callback is triggered when the map is ready to be used.
* This is where we can add markers or lines, add listeners or move the camera. In this case,
* we just add a marker near Sydney, Australia.
* If Google Play services is not installed on the device, the user will be prompted to install
* it inside the SupportMapFragment. This method will only be triggered once the user has
* installed Google Play services and returned to the app.
*/
@Override
public void onMapReady(GoogleMap googleMap) {
mMap = googleMap;
// Add a marker in Sydney and move the camera
LatLng sydney = new LatLng(18.574227, 73.9804113);
mMap.addMarker(new MarkerOptions().position(sydney).title("Marker in Botad"));
mMap.moveCamera(CameraUpdateFactory.newLatLngZoom(sydney, 10f));
}
}
AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.malik.blog">
<uses-permission android:name="android.permission.INTERNET" />
<!--
The ACCESS_COARSE/FINE_LOCATION permissions are not required to use
Google Maps Android API v2, but you must specify either coarse or fine
location permissions for the 'MyLocation' functionality.
-->
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<!--
The API key for Google Maps-based APIs is defined as a string resource.
(See the file "res/values/google_maps_api.xml").
Note that the API key is linked to the encryption key used to sign the APK.
You need a different API key for each encryption key, including the release key that is used to
sign the APK for publishing.
You can define the keys for the debug and release targets in src/debug/ and src/release/.
-->
<meta-data
android:name="com.google.android.geo.API_KEY"
android:value="@string/google_maps_key" />
<activity
android:name=".MapsActivity"
android:label="@string/title_activity_maps">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
build.gradle (Module app)
apply plugin: 'com.android.application'
android {
compileSdkVersion 25
buildToolsVersion "25.0.2"
defaultConfig {
applicationId "com.example.malik.blog"
minSdkVersion 18
targetSdkVersion 25
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
exclude group: 'com.android.support', module: 'support-annotations'
})
compile 'com.android.support:appcompat-v7:25.3.1'
compile 'com.android.support.constraint:constraint-layout:1.0.2'
compile 'com.google.android.gms:play-services-maps:10.2.6'
testCompile 'junit:junit:4.12'
}
