Display Legal Notices for Google Maps Android API v2 on Options Menu

Last post show a simplest map app using Google Maps Android API v2 provided by Android Studio.

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Refer to the document "Introduction to the Google Maps Android API - Attribution Requirements":

If you use the Google Maps Android API in your application, you must include the Google Play Services attribution text as part of a "Legal Notices" section in your application. Including legal notices as an independent menu item, or as part of an "About" menu item, is recommended.

The attribution text is available by making a call to GoogleApiAvailability.getOpenSourceSoftwareLicenseInfo.

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This post is going to add "Legal Notices" to OptionsMenu, to display the OpenSourceSoftwareLicenseInfo in dialog, and also "About Me".


Edit values/strings.xml, to add sting resources of "menu_legalnotices" and "menu_about":

<resources>
 <string name="app_name">AndroidStudioMapApp</string>
 <string name="title_activity_maps">Map</string>
 <string name="menu_legalnotices">Legal Notices</string>
 <string name="menu_about">About</string>
</resources>

Create menu/activity_main.xml to define out menu:

<?xml version="1.0" encoding="utf-8"?>
<menu 
 >
 <item
 android_id="@+id/menu_legalnotices"
 android_orderInCategory="100"
 app_showAsAction="ifRoom"
 android_title="@string/menu_legalnotices"/>
 <item
 android_id="@+id/menu_about"
 android_orderInCategory="100"
 app_showAsAction="ifRoom"
 android_title="@string/menu_about"/>

</menu>

Edit MapsActivity, to handle OptionsMenu. In order to display OptionsMenu in FragmentActivity, modify to extend AppCompatActivity.

package com.blogspot.android_er.androidstudiomapapp;

 import android.app.AlertDialog;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.net.Uri;
 import android.os.Bundle;
 import android.support.v7.app.AppCompatActivity;
 import android.view.Menu;
 import android.view.MenuItem;

 import com.google.android.gms.common.GoogleApiAvailability;
 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 AppCompatActivity 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));
 }

 @Override
 public boolean onCreateOptionsMenu(Menu menu) {
 getMenuInflater().inflate(R.menu.activity_main, menu);
 return super.onCreateOptionsMenu(menu);
 }

 @Override
 public boolean onOptionsItemSelected(MenuItem item) {
 switch (item.getItemId()) {
 case R.id.menu_legalnotices:
 String LicenseInfo = GoogleApiAvailability
 .getInstance()
 .getOpenSourceSoftwareLicenseInfo(MapsActivity.this);
 AlertDialog.Builder LicenseDialog =
 new AlertDialog.Builder(MapsActivity.this);
 LicenseDialog.setTitle("Legal Notices");
 LicenseDialog.setMessage(LicenseInfo);
 LicenseDialog.show();
 return true;
 case R.id.menu_about:
 AlertDialog.Builder aboutDialogBuilder =
 new AlertDialog.Builder(MapsActivity.this);
 aboutDialogBuilder.setTitle("About Me")
 .setMessage("http://android-er.blogspot.com");

 aboutDialogBuilder.setPositiveButton("visit",
 new DialogInterface.OnClickListener() {
 @Override
 public void onClick(DialogInterface dialog, int which) {
 String url = "http://android-er.blogspot.com";
 Intent i = new Intent(Intent.ACTION_VIEW);
 i.setData(Uri.parse(url));
 startActivity(i);
 }
 });

 aboutDialogBuilder.setNegativeButton("Dismiss",
 new DialogInterface.OnClickListener() {
 @Override
 public void onClick(DialogInterface dialog, int which) {
 dialog.cancel();
 }
 });

 AlertDialog aboutDialog = aboutDialogBuilder.create();
 aboutDialog.show();

 return true;
 }
 return super.onOptionsItemSelected(item);
 }
}

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~ Step-by-step of Android Google Maps Activity using Google Maps Android API v2, on Android Studio.

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