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107-Android Studio 1.5 Google Maps Activity Template
Continue from Tutorial 106
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1) Create New Project
1.1) Configure New Project
Application Name: MyMap1
Company Domain: notarazi.com
Package Name: com.notarazi.mymap1 (auto-generated)
Project Location: C:\Project1\MyMap1\ (auto-generated)
1.2) Select Target Device
1.3) Add Activity
Select Google Maps Activity.
1.4) Customize The Activity
Accept defaults.
2) Observe the project codes
2.1) MainActivity.java
package com.notarazi.mymap1;
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);
}
/**
* 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(-34, 151);
mMap.addMarker(new MarkerOptions().position(sydney).title("Marker in Sydney"));
mMap.moveCamera(CameraUpdateFactory.newLatLng(sydney));
}
}
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2.2) res/layout/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.notarazi.mymap1.MapsActivity" />
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2.3) res/values/google_maps_api.xml
<resources>
<!--
TODO: Before you run your application, you need a Google Maps API key.
To get one, follow this link, follow the directions and press "Create" at the end:
https://console.developers.google.com/flows/enableapi?apiid=maps_android_backend&keyType=CLIENT_SIDE_ANDROID&r=9A:6B:FF:29:0A:A4:9C:15:46:B8:F3:04:0E:4A:D7:1F:9F:DA:F4:24%3Bcom.notarazi.mymap1
You can also add your credentials to an existing key, using this line:
9A:6B:FF:29:0A:A4:9C:15:46:B8:F3:04:0E:4A:D7:1F:9F:DA:F4:24;com.notarazi.mymap1
Alternatively, follow the directions here:
https://developers.google.com/maps/documentation/android/start#get-key
Once you have your key (it starts with "AIza"), replace the "google_maps_key"
string in this file.
-->
<string name="google_maps_key" templateMergeStrategy="preserve" translatable="false">YOUR_KEY_HERE</string>
</resources>
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OUTCOME.
Runtime Error Message:
01-31 16:53:12.837 4964-5360/com.notarazi.mymap1 E/b: Authentication failed on the server.
01-31 16:53:12.837 4964-5360/com.notarazi.mymap1 E/Google Maps Android API: Authorization failure. Please see https://developers.google.com/maps/documentation/android/start for how to correctly set up the map.
01-31 16:53:12.840 4964-5360/com.notarazi.mymap1 E/Google Maps Android API: In the Google Developer Console (https://console.developers.google.com)
Ensure that the "Google Maps Android API v2" is enabled.
Ensure that the following Android Key exists:
API Key: YOUR_KEY_HERE
Android Application (<cert_fingerprint>;<package_name>): 9A:6B:FF:29:0A:A4:9C:15:46:B8:F3:04:0E:4A:D7:1F:9F:DA:F4:24;com.notarazi.mymap1
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