Create a Login and Registration Form in Android Using SQLite Database

7/26/2019 Create a Login and Registration Form in Android Using SQLite Database

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http://android-emotions.com/create-a-login-and-registration-form-in-android-using-sqlite-database/

Create a Login and Registration form in Android usingSQLite databasePosted By: Saurabh Kumaron: February 23, 201511 Comments

Hi Guys, Today i am oin to dis!uss "ith you about !reation o# $oin and reistration #or in %ndroid

usin S&'ite database( For this thins you must ha)e *no"$ede about S&'ite database in %ndroid(So #or this at #irst i "i$$ dis!uss about S&'ite database and ho" to use it in %ndroid(

1. escription:

+n this arti!$e i am usin S&'ite database and a$so i am etendin S&'ite-.enHe$.er !$ass(/ou

!reate a sub!$ass im.$ementinonCreateS&'iteatabase,on.radeS&'iteatabase, int,

intand o.tiona$$y on-.enS&'iteatabase,and this !$ass ta*es !are o# o.enin the database i# it

eists, !reatin it i# it does not, and u.radin it as ne!essary(

!ublic Constructors of SQLite"pen#elper Class

.ub$i! S&'ite-.enHe$.er Contet !ontet, Strin name, S&'iteatabase(CursorFa!tory #a!tory, int

)ersion

Create a he$.er ob4e!t to !reate, o.en, andor manae a database( This method a$"ays returns )ery

6ui!*$y( The database is not a!tua$$y !reated or o.ened unti$ one

o#et7ritab$eatabaseor et8eadab$eatabaseis !a$$ed(

!arameters

conte$t: to use to o.en or !reate the database

name: o# the database #i$e, or nu$$ #or an in9memory database
http://android-emotions.com/author/saurabhkumar/http://android-emotions.com/create-a-login-and-registration-form-in-android-using-sqlite-database/#commentshttp://developer.android.com/reference/android/database/sqlite/SQLiteOpenHelper.html#onCreate(android.database.sqlite.SQLiteDatabase)http://developer.android.com/reference/android/database/sqlite/SQLiteOpenHelper.html#onCreate(android.database.sqlite.SQLiteDatabase)http://developer.android.com/reference/android/database/sqlite/SQLiteOpenHelper.html#onUpgrade(android.database.sqlite.SQLiteDatabase,%20int,%20int)http://developer.android.com/reference/android/database/sqlite/SQLiteOpenHelper.html#onUpgrade(android.database.sqlite.SQLiteDatabase,%20int,%20int)http://developer.android.com/reference/android/database/sqlite/SQLiteOpenHelper.html#onOpen(android.database.sqlite.SQLiteDatabase)http://developer.android.com/reference/android/database/sqlite/SQLiteOpenHelper.html#onOpen(android.database.sqlite.SQLiteDatabase)http://developer.android.com/reference/android/database/sqlite/SQLiteOpenHelper.html#getWritableDatabase()http://developer.android.com/reference/android/database/sqlite/SQLiteOpenHelper.html#getReadableDatabase()http://developer.android.com/reference/android/database/sqlite/SQLiteOpenHelper.html#getReadableDatabase()http://android-emotions.com/create-a-login-and-registration-form-in-android-using-sqlite-database/#commentshttp://developer.android.com/reference/android/database/sqlite/SQLiteOpenHelper.html#onCreate(android.database.sqlite.SQLiteDatabase)http://developer.android.com/reference/android/database/sqlite/SQLiteOpenHelper.html#onUpgrade(android.database.sqlite.SQLiteDatabase,%20int,%20int)http://developer.android.com/reference/android/database/sqlite/SQLiteOpenHelper.html#onUpgrade(android.database.sqlite.SQLiteDatabase,%20int,%20int)http://developer.android.com/reference/android/database/sqlite/SQLiteOpenHelper.html#onOpen(android.database.sqlite.SQLiteDatabase)http://developer.android.com/reference/android/database/sqlite/SQLiteOpenHelper.html#getWritableDatabase()http://developer.android.com/reference/android/database/sqlite/SQLiteOpenHelper.html#getReadableDatabase()http://android-emotions.com/author/saurabhkumar/


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factor%: to use #or !reatin !ursor ob4e!ts, or nu$$ #or the de#au$t

error#andler:atabaserrorHand$erto be used "hen s6$ite re.orts database !orru.tion, or

nu$$ to use the de#au$t error hand$er(

&. Code for Screen design in 'ml&.1 Code for design #ome Screen:

;'inear'ayout m$ns:android!ontent=

android:ba!*round


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;Button

android:id"idth.arent=

android:$ayout>heiht


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;Dm$ )ersion!ontent=

android:hint


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;ditTet

android:idheihtheiht


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android:$ayout>heihtmarinBottom


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android:$ayout>"idth.arent=

android:$ayout>heiht.arent=

android:orientation"idth.arent=


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android:$ayout>heihtheiht


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&.) code for design *elcome screen:

;Dm$ )ersion


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(. Code for functionalit% in +A,A

(.1 Code for #omeScreen

.a!*ae !om(eam.$e(#orm

im.ort android(a..(%!ti)ity

im.ort android(a..(ia$o

im.ort android(!ontent(+ntent

im.ort android(os(Bund$e

im.ort android()ie"(ie"

im.ort android("idet(Button

im.ort android("idet(ditTet


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im.ort android("idet(Toast

.ub$i! !$ass Home%!ti)ity etends %!ti)ity I

Button btnSin+n, btnSin.

'oinataBase%da.ter $oinataBase%da.ter

?-)erride

.rote!ted )oid onCreateBund$e sa)ed+nstan!eState I

su.er(onCreatesa)ed+nstan!eState

setContentie"8($ayout(a!ti)ity>main

$oinataBase%da.ter < ne" 'oinataBase%da.terthis

$oinataBase%da.ter < $oinataBase%da.ter(o.en

btnSin+n < Button #indie"By+d8(id(buttonSin+

btnSin. < Button #indie"By+d8(id(buttonSinP


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btnSin.(set-nC$i!*'istenerne" ie"(-nC$i!*'istener I

.ub$i! )oid onC$i!*ie" ) I

T-- %uto9enerated method stub

+ntent intentSinP < ne" +ntentet%..$i!ationContet,

SinP%!ti)ity(!$ass

start%!ti)ityintentSinP

J

J

J

.ub$i! )oid sin+nie" I

#ina$ ia$o dia$o < ne" ia$oHome%!ti)ity(this

dia$o(setContentie"8($ayout($oin

dia$o(setTit$e='oin=

#ina$ ditTet editTetserame < ditTet dia$o

(#indie"By+d8(id(editTetserameTo'oin


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#ina$ ditTet editTetPass"ord < ditTet dia$o

(#indie"By+d8(id(editTetPass"ordTo'oin

Button btnSin+n < Button dia$o(#indie"By+d8(id(buttonSin+n

btnSin+n(set-nC$i!*'istenerne" ie"(-nC$i!*'istener I


Strin userame < editTetserame(etTet(toStrin

Strin .ass"ord < editTetPass"ord(etTet(toStrin

Strin storedPass"ord < $oinataBase%da.ter

(etSin$entryuserame

i# .ass"ord(e6ua$sstoredPass"ord I

Toast(ma*eTetHome%!ti)ity(this,

=Conrats: 'oin Su!!ess#u$$=,

Toast('GTH>'-G

(sho"


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dia$o(dismiss

+ntent main < ne" +ntentHome%!ti)ity(this,

7e$!ome(!$ass

start%!ti)itymain

J e$se I

Toast(ma*eTetHome%!ti)ity(this,

=ser ame or Pass"ord does

not mat!h=,

Toast('GTH>'-G(sho"

J

J

J

dia$o(sho"

J

?-)erride

.rote!ted )oid onestroy I


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su.er(onestroy

$oinataBase%da.ter(!$ose

J

J

(.& Code for Signup Screen and Login Screen:


im.ort android(a..(%!ti)ity

im.ort android(!ontent(Contet

im.ort android(!ontent(+ntent

im.ort android(os(Bund$e

im.ort android()ie"(ie"

im.ort android("idet(Button

im.ort android("idet(ditTet

im.ort android("idet(Toast

.ub$i! !$ass SinP%!ti)ity etends %!ti)ity I


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ditTet editTetserame, editTetPass"ord, editTetCon#irmPass"ord

Button btnCreate%!!ount

Contet !ontet < this

'oinataBase%da.ter $oinataBase%da.ter

?-)erride

.rote!ted )oid onCreateBund$e sa)ed+nstan!eState I

su.er(onCreatesa)ed+nstan!eState

setContentie"8($ayout(sinu.

$oinataBase%da.ter < ne" 'oinataBase%da.terthis

$oinataBase%da.ter < $oinataBase%da.ter(o.en

editTetserame < ditTet #indie"By+d8(id(editTetserame

editTetPass"ord < ditTet #indie"By+d8(id(editTetPass"ord

editTetCon#irmPass"ord < ditTet

#indie"By+d8(id(editTetCon#irmPass"ord

btnCreate%!!ount < Button #indie"By+d8(id(buttonCreate%!!ount

btnCreate%!!ount(set-nC$i!*'istenerne" ie"(-nC$i!*'istener I


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Strin userame < editTetserame(etTet(toStrin

Strin .ass"ord < editTetPass"ord(etTet(toStrin

Strin !on#irmPass"ord %M, nu$$,


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%T%B%S>8S+-

J

.ub$i! 'oinataBase%da.ter o.en thro"s S&'!e.tion I

db < dbHe$.er(et7ritab$eatabase

return this

J

.ub$i! )oid !$ose I

db(!$ose

J

.ub$i! S&'iteatabase etatabase+nstan!e I

return db

J

.ub$i! )oid insertntryStrin userame, Strin .ass"ord I


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Contenta$ues ne"a$ues < ne" Contenta$ues

ne"a$ues(.ut=S8%M=, userame

ne"a$ues(.ut=P%SS7-8=, .ass"ord

db(insert='-G+=, nu$$, ne"a$ues

J

.ub$i! int de$etentryStrin serame I

Strin "here < =S8%M


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ne" StrinNO I userame J, nu$$, nu$$, nu$$

i# !ursor(etCount ; 1 I

!ursor(!$ose

return =-T +ST=

J

!ursor(mo)eToFirst

Strin .ass"ord < !ursor(etStrin!ursor(etCo$umn+nde=P%SS7-8=

!ursor(!$ose

return .ass"ord

J

.ub$i! )oid u.datentryStrin userame, Strin .ass"ord I

Contenta$ues u.dateda$ues < ne" Contenta$ues

u.dateda$ues(.ut=S8%M=, userame

u.dateda$ues(.ut=P%SS7-8=, .ass"ord

Strin "here < =S8%M < D=


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db(u.date='-G+=, u.dateda$ues, "here, ne" StrinNO I userame J

J

J

(.) Code for database #elper class.


im.ort android(!ontent(Contet

im.ort android(database(s6$ite(S&'iteatabase

im.ort android(database(s6$ite(S&'iteatabase(CursorFa!tory

im.ort android(database(s6$ite(S&'ite-.enHe$.er

im.ort android(uti$('o

.ub$i! !$ass ataBaseHe$.er etends S&'ite-.enHe$.er I

.ub$i! ataBaseHe$.erContet !ontet, Strin name, CursorFa!tory #a!tory,

int )ersion I

su.er!ontet, name, #a!tory, )ersion

J


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?-)erride

.ub$i! )oid onCreateS&'iteatabase >db I

>db(ee!S&''oinataBase%da.ter(%T%B%S>C8%T

J

?-)erride

.ub$i! )oid on.radeS&'iteatabase >db, int >o$dersion, int >ne"ersion I

'o("=Tas*B%da.ter=, =.radin #rom )ersion = >o$dersion = to =

>ne"ersion =, "hi!h "i$$ destroy a$$ o$d data=

>db(ee!S&'=8-P T%B' +F +STS = =TMP'%T=

onCreate>db

J

J


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). Androidanifest.$ml file

;Dm$ )ersion


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android:name


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;a..$i!ationA

;mani#estA

. o* app is created and output is belo*:

.1 After clic0 on run first screen

.& Clic0 on signup screen


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.( f an% field is 2acant in signup screen

.) if pass*ord and confirm pass*ord is not equal.


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. After successful registration.

.3 Clic0 on login button.


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.4 After entering *rong user name or pass*ord.

.5 After entering right credentials 6*elcome screen7


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So uys, this is the basi! and mandatory thins that you ha)e to *no" be#ore ma*in any $oin and

reistration #eature in your a.. usin S&'ite database( and "ith the he$. o# this you !an ma*e you

a.. se!ure and !on#identia$(


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http://www.appsinfoway.com/android-registration-login-using-sqlite-database-

example/

%ndroid 'ayouts #or 'oin 8eistration %..$i!ation:

main.$ml :


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android:layout_width="'ill_parent"

android:layout_height="wrap_content"

android:text="$ign %n"

android:on(lick="sign%n"/>

Login.$ml

D

1
http://www.appsinfoway.com/android-registration-login-using-sqlite-database-example/http://www.appsinfoway.com/android-registration-login-using-sqlite-database-example/


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android:id="!id/edit1ext)ser&ame"

android:hint=")ser &ame"

android:layout_width="match_parent"

android:layout_height="wrap_content"

>


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!

android:hint="(on'irm *assword"

android:input1ype="text*assword"/>

o" Create Ra)a Fi$es:

7e ha)e used Ra)a #i$es in this a..$i!ation( /ou !an a$so #ind !om.$ete sour!e !ode des!ri.tion inside

the !ode, on!e you do"n$oad !om.$ete !ode #rom here(

1.#omeActi2it%.8a2a

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package6

importandroid.app.4ctivity6

importandroid.app.7ialog6

importandroid.content.%ntent6

importandroid.os.undle6


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importandroid.view.8iew6

importandroid.widget.utton6

importandroid.widget.0dit1ext6

importandroid.widget.1oast6

pu#licclass9ome4ctivity extends4ctivity

utton #tn$ign%n;#tn$ign)p6

Login7ataase4dapter login7ataase4dapter6

!verride

protectedvoidon(reateundle saved%nstance$tate

super.on(reatesaved%nstance$tate6

set(ontent8iew?.layout.main6

// create a instance o' $@Lite 7ata#ase

login7ataase4dapter=newLogin7ataase4dapterthis6

login7ataase4dapter=login7ataase4dapter.open6

// Aet 1he ?e''erence ' uttons

#tn$ign%n=utton'ind8iewy%d?.id.#utton$ign%&6

#tn$ign)p=utton'ind8iewy%d?.id.#utton$ign)*6

// $et n(lick Listener on $ign)p #utton

#tn$ign)p.setn(lickListenernew8iew.n(lickListener

pu#licvoidon(lick8iew v


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#

// 17 4utogenerated method stu#

/// (reate %ntent 'or $ign)p4ctivity a#d $tart 1he 4ctivity

%ntent intent$ign)*=new%ntentget4pplication(ontext;$ign)*4ctivity.class6

start4ctivityintent$ign)*6

B

B6

B

// Cethos to handle(lick 0vent o' $ign %n utton

pu#licvoidsign%n8iew 8

'inal7ialog dialog = new7ialog9ome4ctivity.this6

dialog.set(ontent8iew?.layout.login6

dialog.set1itle"Login"6

// get the ?e''erences o' views

'inal0dit1ext edit1ext)ser&ame=0dit1extdialog.'ind8iewy%d?.id.edit1ext)ser&

'inal0dit1ext edit1ext*assword=0dit1extdialog.'ind8iewy%d?.id.edit1ext*assw

utton #tn$ign%n=uttondialog.'ind8iewy%d?.id.#utton$ign%n6

// $et n (lickListener

#tn$ign%n.setn(lickListenernew8iew.n(lickListener


// get 1he )ser name and *assword

$tring user&ame=edit1ext)ser&ame.get1ext.to$tring6


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!4

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!!

!"

!#

!$

"%

"1

"2

"3

"4

"

"!

""

"#

"$

#%

#1

#2

#3

#4

$tring password=edit1ext*assword.get1ext.to$tring6

// 'etch the *assword 'orm data#ase 'or respective user name

$tring stored*assword=login7ataase4dapter.get$inlge0ntryuser&ame6

// check i' the $tored password matches with *assword entered #y user

i'password.e2ualsstored*assword

1oast.make1ext9ome4ctivity.this; "(ongrats: Login $uccess'ull"; 1oast.L0&A19_L

dialog.dismiss6

B

else

1oast.make1ext9ome4ctivity.this; ")ser &ame or *assword does not match";

1oast.L0&A19_L&A.show6

B

B

B6

dialog.show6

B

!verride

protectedvoidon7estroy

super.on7estroy6

// (lose 1he 7ata#ase

login7ataase4dapter.close6

B


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##

B

&. Sign9!Acti2it%.+a2a:

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package6







pu#licclass$ign)*4ctivity extends4ctivity

0dit1ext edit1ext)ser&ame;edit1ext*assword;edit1ext(on'irm*assword6

utton #tn(reate4ccount6

Login7ataase4dapter login7ataase4dapter6

!verride

protectedvoidon(reateundle saved%nstance$tate



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set(ontent8iew?.layout.signup6

// get %nstance o' 7ata#ase 4dapter

login7ataase4dapter=newLogin7ataase4dapterthis6

login7ataase4dapter=login7ataase4dapter.open6

// Aet ?e''erences o' 8iews

edit1ext)ser&ame=0dit1ext'ind8iewy%d?.id.edit1ext)ser&ame6

edit1ext*assword=0dit1ext'ind8iewy%d?.id.edit1ext*assword6

edit1ext(on'irm*assword=0dit1ext'ind8iewy%d?.id.edit1ext(on'irm*assword6

#tn(reate4ccount=utton'ind8iewy%d?.id.#utton(reate4ccount6

#tn(reate4ccount.setn(lickListenernew8iew.n(lickListener



$tring user&ame=edit1ext)ser&ame.get1ext.to$tring6

$tring password=edit1ext*assword.get1ext.to$tring6

$tring con'irm*assword=edit1ext(on'irm*assword.get1ext.to$tring6

// check i' any o' the 'ields are vaccant

i'user&ame.e2uals""DDpassword.e2uals""DDcon'irm*assword.e2uals""

1oast.make1extget4pplication(ontext; "3ield 8accant"; 1oast.L0&A19_L&A.sho

return6

B


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// check i' #oth password matches

i'Epassword.e2ualscon'irm*assword

1oast.make1extget4pplication(ontext; "*assword does not match";


return6

B

else

// $ave the 7ata in 7ata#ase

login7ataase4dapter.insert0ntryuser&ame; password6

1oast.make1extget4pplication(ontext; "4ccount $uccess'ully (reated ";


B

B

B6

B

!verride

protectedvoidon7estroy


super.on7estroy6

login7ataase4dapter.close6

B

B


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(. ataase#elper.+a2a:

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package 6

importandroid.content.(ontext6

importandroid.data#ase.s2lite.$@Lite7ata#ase6

importandroid.data#ase.s2lite.$@Lite7ata#ase.(ursor3actory6

importandroid.data#ase.s2lite.$@Litepen9elper6

importandroid.util.Log6

pu#licclass7ataase9elper extends$@Litepen9elper

pu#lic7ataase9elper(ontext context; $tring name;(ursor3actory 'actory; intve

supercontext; name; 'actory; version6

B

// (alled when no data#ase exists in disk and the helper class needs

// to create a new one.

!verride

pu#licvoidon(reate$@Lite7ata#ase _d#

_d#[email protected]$0_(?04106

B

// (alled when there is a data#ase version mismatch meaning that the version

// o' the data#ase on disk needs to #e upgraded to the current version.


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!verride

pu#licvoidon)pgrade$@Lite7ata#ase _d#; int_old8ersion; int_new8ersion

// Log the version upgrade.

Log.w"1ask74dapter"; ")pgrading 'rom version "_old8ersion " to "_new8ersold data"6

// )pgrade the existing data#ase to con'orm to the new version. Cultiple

// previous versions can #e handled #y comparing _old8ersion and _new8ersion

// values.

// 1he simplest case is to drop the old ta#le and create a new one.

_d#.exec$@L"7?* 14L0 %3 0F%$1$ " "10C*L410"6

// (reate a new one.

on(reate_d#6

B

B

). LoginataaseAdapter.+a2a

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package6

importandroid.content.(ontent8alues6


importandroid.data#ase.(ursor6

importandroid.data#ase.$@L0xception6


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pu#licclassLogin7ataase4dapter

static'inal$tring 74144$0_&4C0 = "login.d#"6

static'inalint74144$0_80?$%& = ,6

pu#licstatic'inalint&4C0_(L)C& = ,6

// 17: (reate pu#lic 'ield 'or each column in your ta#le.

// $@L $tatement to create a new data#ase.

static'inal$tring 74144$0_(?0410 = "create ta#le ""LA%&"

" ""%7"" integer primary key autoincrement;" ")$0?&4C0 text;*4$$G?7 text6

// 8aria#le to hold the data#ase instance

pu#lic$@Lite7ata#ase d#6

// (ontext o' the application using the data#ase.

private'inal(ontext context6

// 7ata#ase open/upgrade helper

private7ataase9elper d#9elper6

pu#licLogin7ataase4dapter(ontext _context

context = _context6

d#9elper = new7ataase9elpercontext; 74144$0_&4C0; null; 74144$0_80?$%&6

B

pu#licLogin7ataase4dapter open throws$@L0xception

d# = d#9elper.getGrita#le7ata#ase6

returnthis6

B


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pu#licvoidclose

d#.close6

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pu#lic$@Lite7ata#ase get7ata#ase%nstance

returnd#6

B

pu#licvoidinsert0ntry$tring user&ame;$tring password

(ontent8alues new8alues = new(ontent8alues6

// 4ssign values 'or each row.

new8alues.put")$0?&4C0"; user&ame6

new8alues.put"*4$$G?7";password6

// %nsert the row into your ta#le

d#.insert"LA%&"; null; new8alues6

///1oast.make1extcontext; "?eminder %s $uccess'ully $aved"; 1oast.L0&A19_L&A

B

pu#licintdelete0ntry$tring )ser&ame

//$tring id=$tring.value'%76

$tring where=")$0?&4C0=+"6

intnum#er30ntries7eleted= d#.delete"LA%&"; where; new$tringHI)ser&ameB 6

// 1oast.make1extcontext; "&um#er 'o 0ntry 7eleted $uccess'ully : "num#er30n



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returnnum#er30ntries7eleted6

B

pu#lic$tring get$inlge0ntry$tring user&ame

(ursor cursor=d#.2uery"LA%&"; null; " )$0?&4C0=+"; new$tringHIuser&ameB; nul

i'cursor.get(ount


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Android Login System using SQLite

1;",
https://codezone4.wordpress.com/2012/11/19/android-login-system-using-sqlite/https://codezone4.wordpress.com/2012/11/19/android-login-system-using-sqlite/


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+ ha)e a$ready "ritten se)era$ .osts reardin %ndroid database a..$i!ations( This .ost miht be simi$ar tothose tuts( Ho"e)er this is more !om.$ete %ndroid 'oin System "hi!h uses S&'ite as its database( %$$

#i$es !an be do"n$oaded hereorthere

'ets !reate the )ie"( #irst( But +m not oin to sho" it in the .ost( Rust t"o tet boes #or username and

.ass"ord, t"o buttons #or $oin and reister(

#elper.8a2a

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packagecom.my.mem#ers6


http://downloads.ziddu.com/download/24178581/Members.rar.htmlhttp://downloads.ziddu.com/download/24224436/Members.zip.htmlhttp://downloads.ziddu.com/download/24224436/Members.zip.htmlhttp://downloads.ziddu.com/download/24178581/Members.rar.htmlhttp://downloads.ziddu.com/download/24224436/Members.zip.html


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importandroid.data#ase.s2lite.$@Litepen9elper6

pu#licclass79elper extends$@Litepen9elper

privatestatic'inal$tring 74144$0_&4C0 = "mem#ersd#"6

privatestatic'inalint74144$0_80?$%& = ,6

privatestatic'inal$tring 74144$0_(?0410 = "(?0410 14L0 _id integer primary key autoincremen

pu#lic79elper(ontext context

supercontext; 74144$0_&4C0; null; 74144$0_80?$%&6

B

!verride

pu#licvoidon(reate$@Lite7ata#ase d#

d#.exec$@L74144$0_(?04106

B

!verride

pu#licvoidon)pgrade$@Lite7ata#ase d#; intarg,; intargJ

d#.exec$@L"7?* 14L0 %3 0F%$1$ mem#ers"6

on(reated#6


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Adapter.8a2a

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importandroid.content.(ontent8alues6


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importandroid.data#ase.(ursor6



pu#licclass74dapter

privatestatic'inal$tring 74144$0_14L0 = "mem#ers"6

pu#licstatic'inal$tring K0_?G_%7 = "_id"6

pu#licstatic'inal$tring K0_)$0?&4C0 = "username"6

pu#licstatic'inal$tring K0_*4$$G?7 = "password"6

$@Lite7ata#ase m7#6

(ontext m(tx6

79elper m7#9elper6

pu#lic74dapter(ontext context

this.m(tx = context6

B

pu#lic74dapter open throws$@L0xception


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m7#9elper = new79elperm(tx6

m7# = m7#9elper.getGrita#le7ata#ase6

returnthis6

B

pu#licvoidclose

m7#9elper.close6

B

pu#liclongregister$tring user;$tring pw

(ontent8alues initial8alues = new(ontent8alues6

initial8alues.putK0_)$0?&4C0; user6

initial8alues.putK0_*4$$G?7; pw6

returnm7#.insert74144$0_14L0; null; initial8alues6

B

pu#lic#ooleanLogin$tring username; $tring password throws$@L0xception

(ursor m(ursor = m7#.raw@uery"$0L0(1 M 3?C " 74144$0_14L0 " G90?0 username=+ 4&7 password=

i'm(ursor E= null


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i'm(ursor.get(ount > -

returntrue6

B

B

return'alse6

B

B


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embersActi2it%

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importandroid.util.Log6


importandroid.view.8iew.n(lickListener6

importandroid.view.inputmethod.%nputCethodCanager6




pu#licclassCem#ers4ctivity extends4ctivity

74dapter d#4dapter6

0dit1ext txt)ser&ame6

0dit1ext txt*assword6

utton #tnLogin6

utton #tn?egister6

!verride

pu#licvoidon(reateundle saved%nstance$tate


set(ontent8iew?.layout.main6


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txt)ser&ame = 0dit1ext 'ind8iewy%d?.id.et_user6

txt*assword = 0dit1ext 'ind8iewy%d?.id.et_pw6

#tnLogin = utton 'ind8iewy%d?.id.#tn_login6

#tn?egister = utton 'ind8iewy%d?.id.#tn_reg6

d#4dapter = new74dapterthis6

d#4dapter.open6

#tnLogin.setn(lickListenernewn(lickListener

!verride

pu#licvoidon(lick8iew arg-

%nputCethodCanager imm = %nputCethodCanager get$ystem$ervice(ontext.%&*)1_C0197_$0?8%(06

imm.hide$o't%nput3romGindowtxt)ser&ame.getGindow1oken; -6

imm.hide$o't%nput3romGindowtxt*assword.getGindow1oken; -6

$tring username = txt)ser&ame.get1ext.to$tring6

$tring password = txt*assword.get1ext.to$tring6

i'

username.length > -

NN password.length > -

try

i'd#4dapter.Loginusername; password


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1oast.make1extCem#ers4ctivity.this;

"$uccess'ully Logged %n"; 1oast.L0&A19_L&A

.show6

B else


"%nvalid username or password";


B

B catch0xception e

1oast.make1extCem#ers4ctivity.this; "$ome pro#lem occurred";


B

B else


")sername or *assword is empty"; 1oast.L0&A19_L&A.show6

B

B

B6

#tn?egister.setn(lickListenernewn(lickListener


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pu#licvoidon(lick8iew arg-

%nputCethodCanager imm = %nputCethodCanager get$ystem$ervice(ontext.%&*)1_C0197_$0?8%(06

imm.hide$o't%nput3romGindowtxt)ser&ame.getGindow1oken; -6

imm.hide$o't%nput3romGindowtxt*assword.getGindow1oken; -6

try

$tring username = txt)ser&ame.get1ext.to$tring6

$tring password = txt*assword.get1ext.to$tring6

longi = d#4dapter.registerusername; password6

i'i E= ,

1oast.make1extCem#ers4ctivity.this; "ou have success'ully registered";1oast.L0&A19_L&A.show

B catch$@L0xception e

1oast.make1extCem#ers4ctivity.this; "$ome pro#lem occurred";


B

B

B6

B

B


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Create a Login and Registration Form in Android Using SQLite Database

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