SolutioncandcAnswercGuide:cAndroidcBootcCampcforcDeveloperscUsingcJava®cAcGuidectocCreatingcYourcFirstcAndroidcAppsc4thcEditioncCorinnecHoisingto
n
Solution and Answer Guide c c c
AndroidcBootcCampcforcDeveloperscUsingcJava®cAcGuidectocCreatingcYourcFirstcAndroidcAppsc4thcE
ditioncCorinnecHoisington
Chapterc1-12
Chapterc1:cVoila!cMeetcthecAndroid
TABLE OF CONTENTS
C C
DevelopercFAQs.................................................................................................................................. 1
BeyondcthecBook ................................................................................................................................ 2
CasecProgrammingcProjects................................................................................................................. 3
DEVELOPER FAQS C
1. Whatciscthecdessertcnamecthatcstartscwithcanc“N”ctocidentifycancAndroidcversion?c(1.4)
Answer:cNougat
2. Whatciscthecone-timeccostcforcacdeveloper’scaccountcatcGooglecPlay?c(1.5)
Answer:c$25
3. WhencyoucpostcancAndroidcappcatcGooglecPlay,cwhatcpercentagecofcthecappcpricecdoescthecdeveloperc
keep?c(1.5)
Answer:c85%
4. iscthecwebcaddresscofcGooglecPlay.c(1.5)
Answer:cplay.google.com
5. Whatcsharecofcthecworld’scsmartphonecmarketciscrepresentedcbycAndroid?c(1.1)
Answer:c72%
6. JavaciscthecmostcpopularccodingclanguagecusedctoccreatecAndroidcapps.cWhatcotherclanguageciscalsocused?c
(1.4)
Answer:cKotlin
©c2023cCengage.cAllcRightscReserved.cMaycnotcbecscanned,ccopiedcorcduplicated,corcpostedctocacpubliclycaccessible 1
website,cincwholecorcincpart.
, SolutioncandcAnswercGuide:cChapterc1:cVoila!cMeetcthecAndroid
7. Incwhichcsubfolderciscthecactivity_main.xmlcfilecstored?c(1.7)
Answer:clayout
8. NamecthreecwidgetscincthecPalettecmentionedcincthiscchapter.c(1.8,c1.9)
Answer:cTextView,cButton,cCheckbox
9. WhatciscthecnamecofcthecwidgetcthatcwascusedcincthecHellocAndroidcWorldcapp?c(1.8,c1.9)
Answer:cTextView
10. WhichctwockeyccombinationsccancyoucpressctocruncancAndroidcappcincAndroidcStudio?c(1.9)
Answer:cIncWindows,cShift+F10;concacMac,cCommand+Shift+F11
11. WhichcAndroidcversionciscKitcKat?c(1.4)
Answer:c4.4
12. UsingcthecalphabeticalcthemecforcAndroidcversioncnames,cnamecthreecpossiblecfuturecnamescforcthecnextc
versionscofcAndroidcdevicecoperatingcsystems.c(1.4)
Answer:cUsingcthecthemecofcdesserts,canycthreecdessertcnamescaftercTiramisucalphabetically
13. WhichctwocattributescwerecchangedcincthecHellocAndroidcWorldcapp?c(1.9)
Answer:ctextcandcid
14. WhatcdoescSDKcstandcfor?c(1.4)
Answer:cSoftwarecDevelopmentcKit
15. WhatcdoescXMLcstandcfor?c(1.4)
Answer:cExtensiblecMarkupcLanguage
BEYOND THE BOOK
C C
SearchcthecwebcforcanswersctocthecfollowingcquestionsctocfurthercyourcAndroidcknowledge.
©c2023cCengage.cAllcRightscReserved.cMaycnotcbecscanned,ccopiedcorcduplicated,corcpostedctocacpubliclycaccessible 2
website,cincwholecorcincpart.
,SolutioncandcAnswercGuide:cHoisington,cAndroidcBootcCampcforcDeveloperscUsingcJAVA:cAcGuidectocCreatingcYourcFirstcAndroidcAppsc4e,c9780357881231,cChapterc2
:
Simplify!cThecAndroidcUsercInterface
1. ResearchcacparticularcmodelcofcacpopularcAndroidcsmartphonecorctabletcdevicecandcwritecacparagraphconci
tscfeatures,cspecifications,cprice,candcmanufacturer.
Answer:cAnswerscwillcvary.
2. NamecfivecAndroidcmobilecdevicecfeaturescnotcmentionedcincChapterc1.
Answer:cAnswerscwillcvary.
3. ResearchcandcprovidecthreecadvantagescthatcacWindowsc11cuserchascwithcAndroidcsmartphonescandcapps.
Writecandcexplaincthecadvantagescincfullcsentences.
Answer:cAnswerscwillcvary.
4. GoctocthecGooglecPlaycwebsitecandctakecacscreenshotcofceachcofcthecfollowingcappccategories:ceducation,c
gaming,cmapping,ctravel,candcpersonalchobby.cPlacecthecscreenshotscincacword-
processingcdocumentcandclabelceachconectocidentifycthem.
Answer:cAnswerscwillcvary.
5. CreatecactimelinecofcthecAndroidcproductcfromcthecpastctocpresentcday.
Answer:cAnswerscwillcvary.
CASE PROGRAMMING PROJECTS
C C
Workingccodeciscprovidedcincthecchapter’scSolutionscfolderscforceachccasecprogrammingcproject.
Solution and Answer Guide c c c
Hoisington,cAndroidcBootcCampcforcDeveloperscUsingcJAVA:cAcGuidectocCreatingcYourcFirstcAndroidcAppsc4
e,c9780357881231,cChapterc2:cSimplify!cThecAndroidcUsercInterface
TABLE OF CONTENTS
C C
DevelopercFAQs.................................................................................................................................. 1
BeyondcthecBook ................................................................................................................................ 2
CasecProgrammingcProjects................................................................................................................. 3
©c2023cCengage.cAllcRightscReserved.cMaycnotcbecscanned,ccopiedcorcduplicated,corcpostedctocacpubliclycaccessible 3
website,cincwholecorcincpart.
, SolutioncandcAnswercGuide:cHoisington,cAndroidcBootcCampcforcDeveloperscUsingcJAVA:cAcGuidectocCreatingcYourcFirstcAndroidcAppsc4e,c9780357881231,cChapterc2
:
Simplify!cThecAndroidcUsercInterface
DEVELOPER FAQS C
1. Whatcarecthecthreeccomponentscusedcincthiscchapter?c(2.1)
Answer:cTextView,cImageView,candcButton
2. Ifcyoucwereccreatingcancappcincmanycdifferentclanguages,cwouldcyouchavectocwritecthecentirecprogramcfromc
scratchcforceachclanguage?cWhatcpartcofcthecprogramcwouldcstaycthecsame?cWhatcpartcofcthecprogramcwou
ldcbecdifferent?c(2.2)
Answer:cNo.cYouccanckeepcallcthecsamecJavacclasses;cjustcusecdifferentcstrings.xmlcfilescforceachcl
anguagecdisplay.
3. IncwhichcsubfoldercincthecAndroidcprojectcviewcarecthecXMLcfilescstored?c(2.1)
Answer:clayout
4. Incthecchapter’scexamplecproject,cwhichckindcofclayoutcwascusedctoclaycoutctheccomponentsconcthec
emulator?c(2.3)
Answer:cConstraintLayout
5. Whatciscthectermcthatcdescribescthecscreencsize,cconfiguration,corcphysicalclayoutcofcacdevice?c(2.1)
Answer:cformcfactor
6. WhatcarecthecbuildingcblockscofcancAndroidclayoutcthatcattachcorcaligncaccomponentctocthecscreenceitherc
bycattachingcitcverticallycandchorizontallyctocthecedgescofcthecscreencorcbycaligningcitcwithcanotherccomp
onent?c(2.3)
Answer:cconstraints
7. Whichcmeasurementciscmostcpreferredcforctextcsize?cWhy?c(2.3)
Answer:csp.cIfcacuserchascselectedcspcandcsetcupcancAndroidcphonectocdisplaycaclargecfontcsizecforcmorecclarit
ycandceasiercvisibility,cthecfontcincthecappcwillcbecscaledctocmeetcthecuser’scsizecpreference.
8. Whatcdoescpxcstandcfor?c(2.3)
Answer:cpixel
9. Whatcdoescspcstandcfor?c(2.3)
©c2023cCengage.cAllcRightscReserved.cMaycnotcbecscanned,ccopiedcorcduplicated,corcpostedctocacpubliclycaccessible 4
website,cincwholecorcincpart.
n
Solution and Answer Guide c c c
AndroidcBootcCampcforcDeveloperscUsingcJava®cAcGuidectocCreatingcYourcFirstcAndroidcAppsc4thcE
ditioncCorinnecHoisington
Chapterc1-12
Chapterc1:cVoila!cMeetcthecAndroid
TABLE OF CONTENTS
C C
DevelopercFAQs.................................................................................................................................. 1
BeyondcthecBook ................................................................................................................................ 2
CasecProgrammingcProjects................................................................................................................. 3
DEVELOPER FAQS C
1. Whatciscthecdessertcnamecthatcstartscwithcanc“N”ctocidentifycancAndroidcversion?c(1.4)
Answer:cNougat
2. Whatciscthecone-timeccostcforcacdeveloper’scaccountcatcGooglecPlay?c(1.5)
Answer:c$25
3. WhencyoucpostcancAndroidcappcatcGooglecPlay,cwhatcpercentagecofcthecappcpricecdoescthecdeveloperc
keep?c(1.5)
Answer:c85%
4. iscthecwebcaddresscofcGooglecPlay.c(1.5)
Answer:cplay.google.com
5. Whatcsharecofcthecworld’scsmartphonecmarketciscrepresentedcbycAndroid?c(1.1)
Answer:c72%
6. JavaciscthecmostcpopularccodingclanguagecusedctoccreatecAndroidcapps.cWhatcotherclanguageciscalsocused?c
(1.4)
Answer:cKotlin
©c2023cCengage.cAllcRightscReserved.cMaycnotcbecscanned,ccopiedcorcduplicated,corcpostedctocacpubliclycaccessible 1
website,cincwholecorcincpart.
, SolutioncandcAnswercGuide:cChapterc1:cVoila!cMeetcthecAndroid
7. Incwhichcsubfolderciscthecactivity_main.xmlcfilecstored?c(1.7)
Answer:clayout
8. NamecthreecwidgetscincthecPalettecmentionedcincthiscchapter.c(1.8,c1.9)
Answer:cTextView,cButton,cCheckbox
9. WhatciscthecnamecofcthecwidgetcthatcwascusedcincthecHellocAndroidcWorldcapp?c(1.8,c1.9)
Answer:cTextView
10. WhichctwockeyccombinationsccancyoucpressctocruncancAndroidcappcincAndroidcStudio?c(1.9)
Answer:cIncWindows,cShift+F10;concacMac,cCommand+Shift+F11
11. WhichcAndroidcversionciscKitcKat?c(1.4)
Answer:c4.4
12. UsingcthecalphabeticalcthemecforcAndroidcversioncnames,cnamecthreecpossiblecfuturecnamescforcthecnextc
versionscofcAndroidcdevicecoperatingcsystems.c(1.4)
Answer:cUsingcthecthemecofcdesserts,canycthreecdessertcnamescaftercTiramisucalphabetically
13. WhichctwocattributescwerecchangedcincthecHellocAndroidcWorldcapp?c(1.9)
Answer:ctextcandcid
14. WhatcdoescSDKcstandcfor?c(1.4)
Answer:cSoftwarecDevelopmentcKit
15. WhatcdoescXMLcstandcfor?c(1.4)
Answer:cExtensiblecMarkupcLanguage
BEYOND THE BOOK
C C
SearchcthecwebcforcanswersctocthecfollowingcquestionsctocfurthercyourcAndroidcknowledge.
©c2023cCengage.cAllcRightscReserved.cMaycnotcbecscanned,ccopiedcorcduplicated,corcpostedctocacpubliclycaccessible 2
website,cincwholecorcincpart.
,SolutioncandcAnswercGuide:cHoisington,cAndroidcBootcCampcforcDeveloperscUsingcJAVA:cAcGuidectocCreatingcYourcFirstcAndroidcAppsc4e,c9780357881231,cChapterc2
:
Simplify!cThecAndroidcUsercInterface
1. ResearchcacparticularcmodelcofcacpopularcAndroidcsmartphonecorctabletcdevicecandcwritecacparagraphconci
tscfeatures,cspecifications,cprice,candcmanufacturer.
Answer:cAnswerscwillcvary.
2. NamecfivecAndroidcmobilecdevicecfeaturescnotcmentionedcincChapterc1.
Answer:cAnswerscwillcvary.
3. ResearchcandcprovidecthreecadvantagescthatcacWindowsc11cuserchascwithcAndroidcsmartphonescandcapps.
Writecandcexplaincthecadvantagescincfullcsentences.
Answer:cAnswerscwillcvary.
4. GoctocthecGooglecPlaycwebsitecandctakecacscreenshotcofceachcofcthecfollowingcappccategories:ceducation,c
gaming,cmapping,ctravel,candcpersonalchobby.cPlacecthecscreenshotscincacword-
processingcdocumentcandclabelceachconectocidentifycthem.
Answer:cAnswerscwillcvary.
5. CreatecactimelinecofcthecAndroidcproductcfromcthecpastctocpresentcday.
Answer:cAnswerscwillcvary.
CASE PROGRAMMING PROJECTS
C C
Workingccodeciscprovidedcincthecchapter’scSolutionscfolderscforceachccasecprogrammingcproject.
Solution and Answer Guide c c c
Hoisington,cAndroidcBootcCampcforcDeveloperscUsingcJAVA:cAcGuidectocCreatingcYourcFirstcAndroidcAppsc4
e,c9780357881231,cChapterc2:cSimplify!cThecAndroidcUsercInterface
TABLE OF CONTENTS
C C
DevelopercFAQs.................................................................................................................................. 1
BeyondcthecBook ................................................................................................................................ 2
CasecProgrammingcProjects................................................................................................................. 3
©c2023cCengage.cAllcRightscReserved.cMaycnotcbecscanned,ccopiedcorcduplicated,corcpostedctocacpubliclycaccessible 3
website,cincwholecorcincpart.
, SolutioncandcAnswercGuide:cHoisington,cAndroidcBootcCampcforcDeveloperscUsingcJAVA:cAcGuidectocCreatingcYourcFirstcAndroidcAppsc4e,c9780357881231,cChapterc2
:
Simplify!cThecAndroidcUsercInterface
DEVELOPER FAQS C
1. Whatcarecthecthreeccomponentscusedcincthiscchapter?c(2.1)
Answer:cTextView,cImageView,candcButton
2. Ifcyoucwereccreatingcancappcincmanycdifferentclanguages,cwouldcyouchavectocwritecthecentirecprogramcfromc
scratchcforceachclanguage?cWhatcpartcofcthecprogramcwouldcstaycthecsame?cWhatcpartcofcthecprogramcwou
ldcbecdifferent?c(2.2)
Answer:cNo.cYouccanckeepcallcthecsamecJavacclasses;cjustcusecdifferentcstrings.xmlcfilescforceachcl
anguagecdisplay.
3. IncwhichcsubfoldercincthecAndroidcprojectcviewcarecthecXMLcfilescstored?c(2.1)
Answer:clayout
4. Incthecchapter’scexamplecproject,cwhichckindcofclayoutcwascusedctoclaycoutctheccomponentsconcthec
emulator?c(2.3)
Answer:cConstraintLayout
5. Whatciscthectermcthatcdescribescthecscreencsize,cconfiguration,corcphysicalclayoutcofcacdevice?c(2.1)
Answer:cformcfactor
6. WhatcarecthecbuildingcblockscofcancAndroidclayoutcthatcattachcorcaligncaccomponentctocthecscreenceitherc
bycattachingcitcverticallycandchorizontallyctocthecedgescofcthecscreencorcbycaligningcitcwithcanotherccomp
onent?c(2.3)
Answer:cconstraints
7. Whichcmeasurementciscmostcpreferredcforctextcsize?cWhy?c(2.3)
Answer:csp.cIfcacuserchascselectedcspcandcsetcupcancAndroidcphonectocdisplaycaclargecfontcsizecforcmorecclarit
ycandceasiercvisibility,cthecfontcincthecappcwillcbecscaledctocmeetcthecuser’scsizecpreference.
8. Whatcdoescpxcstandcfor?c(2.3)
Answer:cpixel
9. Whatcdoescspcstandcfor?c(2.3)
©c2023cCengage.cAllcRightscReserved.cMaycnotcbecscanned,ccopiedcorcduplicated,corcpostedctocacpubliclycaccessible 4
website,cincwholecorcincpart.
