android working with google maps v2

8/11/2019 Android Working With Google Maps V2

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Android working with Google Maps V2

If you have developed any app that contains Google Maps v1, Its time to upgrade it to Google Maps V2 as

google maps version 1 deprecated officially on December 3rd, 212 and it !ont !or" anymore# $his article

aims to give "no!ledge about ho! to implements ne!er Google Maps into your applications# If you have

already !or"ed !ith V1, implementing V2 is very easy# %efer Google Maps Docs for any topic that is not

covered in this tutorial#

&efore starting a ne! pro'ect, !e need to go through some pre re(uired steps# $hese steps involves

importing re(uired library, generating )*+1 fingerprint and configuring maps in google console#

1. Downloading Google Play Services

Google made ne! Maps V2 +I as a part of Google P lay Services )D-# )o before !e start

developing maps !e need to do!nload google play services from )D- manger# .ou can open )D-

manager either from /clipse or from android sd" folder#

0pen Eclipse Windows Android SD Managerand chec" !hether you have already do!nloaded

Google lay )ervices or not under E!trassection# If not select play services and install the pac"age#
http://www.androidhive.info/2013/08/android-working-with-google-maps-v2/http://www.androidhive.info/2013/08/android-working-with-google-maps-v2/


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2. "#porting Google Play Services into Eclipse


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+fter do!nloading play services !e need to import it to /clipse !hich !ill be used as a library for our maps

pro'ect#

1# In /clipse goto $ile "#port Android E!isting Android %ode "nto Workspace

2# lic" on &ro!se and select Google lay )ervices pro'ect from your android sd" folder# .ou can locate

play services library pro'ect from

android&sdk&windows'e!tras'google'google(play(services'li)pro*ect'google&play&services(li)

+# Importantly !hile importing chec" %opy pro*ects into workspace option as sho!n in the belo! image#


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+. Getting the Google Maps AP" key

1# )ame as in maps v1 !e need to generate )*+1 fingerprint using 'ava keytool # 0pen your terminal and

eecute the follo!ing command to generate )*+1 fingerprint#

,n Windowskeytool -list -v -keystore "%USERPROFILE%\.android\debug.keystore"-alias androiddebugkey -storeass android -keyassandroid

,n -in! or Mac ,S

keytool -list -v -keystore !.androiddebug.keystore -alias androiddebugkey -storeass android -keyass android

In the output you can see )*+ 1 finger print#


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2# 4o! open Google +I onsole

+# )elect Serviceson left side and turn on Google Maps Android AP" v2

/# 4o! select AP" Accesson left side and on the right side clic" on %reate new Android key0


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# It !ill popup a !indo! as"ing the )*+1 and pac"age name# /nter your SA 1 and your androidpro*ect package na#e separated by semicolon 3 and clic" on create#


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I have given li"e belo!

#E$&$E'$(($&)$*#$E+$'*$,$)F$*F$#*$)+$+,$E$F$+($$F#$/0in1o.android2ive.google3asv,

+nd note do!n the +I "ey !hich re(uired later in our pro'ect#


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/. %reating new Pro*ect

+fter completing re(uired configuration, Its time to start our pro'ect#

1# In /clipse create a ne! pro'ect by going to $ile 4ew Android Application Pro*ectand fill re(uired

details# I "ept my pro'ect name as Google Maps V2 and pac"age name as in5o.androidhive.in5o

2# 4o! !e need to use Google lay )ervices pro'ect as a library to use pro'ect# )o right clickon pro'ect

and select properties# In the properties !indo! on left side select Android# 0n the right you can see

aAddbutton under library section# lic" it and select google play servicespro'ect !hich !e imported

previously#


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+# +dd the Map -ey in the manifest file# 0pen AndroidMani5est.!#lfile and add the follo!ing code

before tag# %eplace the android6vale!ith your map "ey !hich you got from google console#

45-- 6oolge 7as PI 8ey --943eta-data


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android$na3e:";o3.google.android.3as.v,.PIaSy#?7lkOv(s@-7ABO)/CksdaD(E@Lgo"9

/# Google maps needs follo!ing permissions and features#

A%%ESS(4E7W,8(S7A7E 5 $o chec" net!or" state !hether data can be do!nloaded or not

"47E84E7 5 $o chec" internet connection statusW8"7E(E97E84A-(S7,8AGE5 $o !rite to eternal storage as google maps store map data in

eternal storage

A%%ESS(%,A8SE(-,%A7",45 $o determine users location using 6i7i and mobile cell data

A%%ESS($"4E(-,%A7",45 $o determine users location using G)

,penG- ES V2 5 %e(uired for Google Maps V2

7inally my AndroidMani5est.!#lfile loo"s li"e this 8%eplace the pac"age name !ith your pro'ect

pac"age9

AndroidManifest.xml4GD3lversion:"'."en;oding:"ut1-+"G943ani1estD3lns$android:"2tt$s;2e3as.android.;o3akresandroid" a;kage:"in1o.android2ive.google3asv," android$versionHode:"'"

android$versiona3e:"'."94er3ission

android$na3e:"in1o.android2ive.google3asv,.er3ission.7PS


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4uses-er3issionandroid$na3e:"android.er3ission.JRIE


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41rag3ent android$id:"Mid3a" android$na3e:";o3.google.android.g3s.3as.7aFrag3ent" android$layout


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MOverride

rote;tedvoidonResu3eQ suer.onResu3eQ0 initili>e7aQ0

%un your pro'ect and congratulations if you see a map displaying on your device#


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Placing a Marker

.ou can place a mar"er on the map by using follo!ing code#

latitude and longitudedoublelatitude : 0doublelongitude : 0

;reate 3arker7arkerOtions 3arker : neC7arkerOtionsQ.ositionQneCLatLngQlatitude longitude.titleQ"Nello 7as "0

adding 3arkergoogle7a.add7arkerQ3arker0


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%hanging Marker %olor

&y default map mar"er color !ill be %/D# Google maps provides some set of predefined colored icons for

the mar"er# ROSE ;olor i;on3arker.i;onQ#it3aes;ritorFa;tory.de1ault7arkerQ#it3aes;ritorFa;tory.NUE


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%sto# Marker "con

+part from maps native mar"er icons, you can use o!n image to sho! as a mar"er# .ou can load the icon

from any "ind of supported sources#

5ro#As se t; String asset4a#e< 5 :oading from assets folder

5ro#=it#ap ;=it#ap i#age< 5 :oading bitmap image


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5ro#$ile ;String path< 5 :oading from file

5ro#8esorce ;int resorce"d< 5 :oading from dra!able resource

&elo! I loaded a custom mar"er icon from drawa)lefolder

latitude and longitude

doublelatitude : '*.&+A((0doublelongitude : *+.(+//*'0

;reate 3arker7arkerOtions 3arker : neC7arkerOtionsQ.ositionQneCLatLngQlatitude longitude.titleQ"Nello 7as"0

H2anging 3arker i;on3arker.i;onQ#it3aes;ritorFa;tory.1ro3Resour;eQR.draCable.3y


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%hanging Map 7ype

Google provides < "inds of map types 4or#al, y)rid, Satelliteand 7errain# .ou can toggle to any "ind of

map using googleMap.setMap7ype;< method#

google7a.set7ayeQ6oogle7a.7P


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Showing %rrent -ocation

.ou can sho! users current location on the map by calling setMy-ocationEna)led;oo#ing =ttons

.ou can call set>oo#%ontrolsEna)led;


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google7a.getUiSettingsQ.setHo3assEnabledQtrue0

My -ocation =tton

My location button !ill be used to move map to your current location# $his button can be sho!n = hidden bycalling setMy-ocation=ttonEna)led;

android working with google maps v2

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