mobilemethod-osaka-2018-11-09-jakalada-android

by Hideki Hamada

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"OESPJEΞϓϦͷ λʔήοτ"1*ϨϕϧΛ ্͛ͨͱ͖ͷͳΜ΍͔Μ΍ ϞόΠϧϝιουେࡕୈ̐ճ ඿ాӯथ!KBLBMBEB

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ࣗݾ঺հ w ඿ాӯथʢ͸·ͩͻͰ͖ʣ

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ࣗݾ঺հ w ඿ాӯथʢ͸·ͩͻͰ͖ʣ w Ϋϥεϝιουגࣜձࣾ w ϞόΠϧΞϓϦαʔϏε෦ॴଐ

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ࣗݾ঺հ w ඿ాӯथʢ͸·ͩͻͰ͖ʣ w Ϋϥεϝιουגࣜձࣾ w ϞόΠϧΞϓϦαʔϏε෦ॴଐ w "OESPJEΤϯδχΞ w ϲ݄લʹೖࣾʢ೥݄ʣ

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ࠓ೔͢Δ࿩

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"OESPJEΞϓϦͷ λʔήοτ"1*ϨϕϧΛ ্͛ͨͱ͖ͷͳΜ΍͔Μ΍

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໨࣍ (PPHMF1MBZͷཁ݅มߋ ରԠͨ͠ΞϓϦ ରԠͷ֓ཁ ରԠͷৄࡉ

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(PPHMF1MBZͷཁ݅มߋ

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AndroidΞϓϦ։ൃͷ Ұ࣍৘ใ

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Android Developers https://developer.android.com

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Google Developers https://developers.google.com

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Google Developersͷ ϒϩά

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https://developers-jp.googleblog.com/2017/12/improving-app-security-and-performance.html

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https://developers-jp.googleblog.com/2017/12/improving-app-security-and-performance.html

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https://developers-jp.googleblog.com/2017/12/improving-app-security-and-performance.html

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֓ཁ

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https://developers-jp.googleblog.com/2017/12/improving-app-security-and-performance.html

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https://developers-jp.googleblog.com/2017/12/improving-app-security-and-performance.html

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https://developers-jp.googleblog.com/2017/12/improving-app-security-and-performance.html

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APIϨϕϧΛ λʔήοτʹࢦఆ͢Δʁ

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https://developer.android.com/about/versions/pie/android-9.0-changes-28

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https://developer.android.com/about/versions/pie/android-9.0-changes-28

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"1*Ϩϕϧະຬ͕λʔήοτͷ ΞϓϦʹ͸ద༻͞Εͳ͍ https://developer.android.com/about/versions/pie/android-9.0-changes-28

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λʔήοτAPIϨϕϧཁ݅

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https://developers-jp.googleblog.com/2017/12/improving-app-security-and-performance.html

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https://developers-jp.googleblog.com/2017/12/improving-app-security-and-performance.html

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https://developers-jp.googleblog.com/2017/12/improving-app-security-and-performance.html

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https://developers-jp.googleblog.com/2017/12/improving-app-security-and-performance.html

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https://developers-jp.googleblog.com/2017/12/improving-app-security-and-performance.html

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UBSHFU4EL7FSTJPO λʔήοτ"1*Ϩϕϧͷ͜ͱ https://developers-jp.googleblog.com/2017/12/improving-app-security-and-performance.html

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https://developers-jp.googleblog.com/2017/12/improving-app-security-and-performance.html

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ίʔυωʔϜͱ͓ͯ͠՛ࢠͷ໊લ͕෇͍ͯΔ "OESPJE$VQDBLF ΧοϓέʔΩ "OESPJE0SFP ΦϨΦ "OESPJE1JF ύΠ https://developers-jp.googleblog.com/2017/12/improving-app-security-and-performance.html

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࠷৽ͷOSʹະରԠͷ ΞϓϦ͸ެ։Ͱ͖ͳ͍

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ެ։ࡁΈͷΞϓϦ͸ ຖ೥ͷରԠ͕ඞཁ

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ରԠͨ͠ΞϓϦ

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ॳ࢓ࣄ

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No content

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࠷ऴߋ৽೥݄

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࠷ऴߋ৽೥݄ &DMJQTF

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࠷ऴߋ৽೥݄ &DMJQTF +BWB

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࠷ऴߋ৽೥݄ &DMJQTF +BWB "OESPJEΛαϙʔτ

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࠷ऴߋ৽೥݄ &DMJQTF +BWB "OESPJEΛαϙʔτ λʔήοτ"1*Ϩϕϧʜ

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࠷ऴߋ৽೥݄ &DMJQTF +BWB "OESPJEΛαϙʔτ λʔήοτ"1*Ϩϕϧʜ

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࠷ऴߋ৽೥݄ &DMJQTF +BWB "OESPJEΛαϙʔτ λʔήοτ"1*Ϩϕϧʜ

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https://developers-jp.googleblog.com/2017/12/improving-app-security-and-performance.html

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https://developers-jp.googleblog.com/2017/12/improving-app-security-and-performance.html

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19→26Ҏ߱

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ରԠͷ֓ཁ

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։ൃ؀ڥ

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։ൃ؀ڥ ରԠલ ରԠޙ *%& &DMJQTF"%5 "OESPJE4UVEJP ݴޠ +BWB ͦͷ··

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։ൃ؀ڥ ରԠલ ରԠޙ *%& &DMJQTF"%5 "OESPJE4UVEJP ݴޠ +BWB ͦͷ·· ೥຤ ਖ਼ࣜ൛ϦϦʔε ೥຤ αϙʔτऴྃ

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։ൃ؀ڥ ରԠલ ରԠޙ *%& &DMJQTF"%5 "OESPJE4UVEJP ݴޠ +BWB ͦͷ··

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։ൃ؀ڥ ରԠલ ରԠޙ *%& &DMJQTF"%5 "OESPJE4UVEJP ݴޠ +BWB ͦͷ·· Ҡߦ͢Δͱͨ͠Β গͣͭ͠,PUMJO Ұؾʹ,PUMJO

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Ϗϧυπʔϧ

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Ϗϧυπʔϧ ରԠલ ରԠޙ (SBEMF ະ࢖༻ "OESPJEQMVHJOGPS (SBEMF ະ࢖༻ CVJME5PPMT7FSTJPO ෆ໌

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Ϗϧυπʔϧ ରԠલ ରԠޙ (SBEMF ະ࢖༻ "OESPJEQMVHJOGPS (SBEMF ະ࢖༻ CVJME5PPMT7FSTJPO ෆ໌

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Ϗϧυπʔϧ ରԠલ ରԠޙ (SBEMF ະ࢖༻ "OESPJEQMVHJOGPS (SBEMF ະ࢖༻ CVJME5PPMT7FSTJPO ෆ໌

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Ϗϧυπʔϧ ରԠલ ରԠޙ (SBEMF ະ࢖༻ "OESPJEQMVHJOGPS (SBEMF ະ࢖༻ CVJME5PPMT7FSTJPO ෆ໌ "OESPJE4UVEJP΁ͷҠߦ࣌ʹ ࠷৽൛͕ࢦఆ͞Εͨ

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λʔήοτAPIϨϕϧؔ࿈

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λʔήοτAPIϨϕϧؔ࿈ ରԠલ ରԠޙ UBSHFU4EL7FSTJPO DPNQJMF4EL7FSTJPO ෆ໌ BQQDPNQBUW ෆ໌

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λʔήοτAPIϨϕϧؔ࿈ ରԠલ ରԠޙ UBSHFU4EL7FSTJPO DPNQJMF4EL7FSTJPO ෆ໌ BQQDPNQBUW ෆ໌ λʔήοτ"1*Ϩϕϧ

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λʔήοτAPIϨϕϧؔ࿈ ରԠલ ରԠޙ UBSHFU4EL7FSTJPO DPNQJMF4EL7FSTJPO ෆ໌ BQQDPNQBUW ෆ໌ ίϯύΠϧʹ࢖༻͢Δ 4%,ͷόʔδϣϯ

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λʔήοτAPIϨϕϧؔ࿈ ରԠલ ରԠޙ UBSHFU4EL7FSTJPO DPNQJMF4EL7FSTJPO ෆ໌ BQQDPNQBUW ෆ໌ αϙʔτϥΠϒϥϦͷͻͱͭ

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build.gradle android { // ... compileSdkVersion 28 defaultConfig { // ... targetSdkVersion 28 } } dependencies { // ... implementation 'com.android.support:appcompat-v7:28.0.0' }

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λʔήοτAPIϨϕϧؔ࿈ ରԠલ ରԠޙ UBSHFU4EL7FSTJPO DPNQJMF4EL7FSTJPO ෆ໌ BQQDPNQBUW ෆ໌

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λʔήοτAPIϨϕϧؔ࿈ ରԠલ ରԠޙ UBSHFU4EL7FSTJPO DPNQJMF4EL7FSTJPO ෆ໌ BQQDPNQBUW ෆ໌ Λ௒͑ͯ·Ͱ্͛ͨ

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28Ͱ߹Θ͍ͤͯΔཧ༝

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λʔήοτAPIϨϕϧؔ࿈ ରԠલ ରԠޙ UBSHFU4EL7FSTJPO DPNQJMF4EL7FSTJPO ෆ໌ BQQDPNQBUW ෆ໌

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λʔήοτAPIϨϕϧؔ࿈ ରԠલ ରԠޙ UBSHFU4EL7FSTJPO DPNQJMF4EL7FSTJPO ෆ໌ BQQDPNQBUW ෆ໌ ݹ͍4%,͸৽͍͠4%,Λ஌Βͳ͍ DPNQJMF4EL7FSTJPO͸ UBSHFU4EL7FSTJPOҎ্

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λʔήοτAPIϨϕϧؔ࿈ ରԠલ ରԠޙ UBSHFU4EL7FSTJPO DPNQJMF4EL7FSTJPO ෆ໌ BQQDPNQBUW ෆ໌ όʔδϣϯ͕ҟͳΔͱ ҟৗಈ࡞͢Δʢ͔΋ʣ DPNQJMF4EL7FSTJPOͱ BQQDPNQBUWͷόʔδϣϯ͸ಉ͡

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λʔήοτAPIϨϕϧؔ࿈ ରԠલ ରԠޙ UBSHFU4EL7FSTJPO DPNQJMF4EL7FSTJPO ෆ໌ BQQDPNQBUW ෆ໌ ߹ΘͤͨΒ͢΂ͯͷ৚݅Λຬͨ͢

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ରԠͷৄࡉ

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ਐΊํ

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build.gradle android { // ... compileSdkVersion 19 defaultConfig { // ... targetSdkVersion 19 } } dependencies { // ... implementation 'com.android.support:appcompat-v7:19.1.0' } ελʔτ஍఺

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build.gradle android { // ... compileSdkVersion 28 defaultConfig { // ... targetSdkVersion 28 } } dependencies { // ... implementation 'com.android.support:appcompat-v7:28.0.0' } ΰʔϧ

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1ݸ্ͣͭ͛Δ

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https://developer.android.com/about/versions/pie/android-9.0-changes-28

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ͦͷ·͑ʹ

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Android StudioҠߦ࣌఺Ͱ ϏϧυΤϥʔ

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resource android:attr/ preserveIconSpacing is private. failed linking references.

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19→22 (Android 4.4→5.1) ࢀߟ: https://stackoverﬂow.com/questions/29248579/error-in-declare- styleable-menuview-unable-to-ﬁnd-attribute-androidpreserv

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ϏϧυͰ͖ͨ

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1ݸ্ͣͭ͛Δ

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22→23 (Android 5.1→6.0)

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ϏϧυΤϥʔ 22→23

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org.apache.http ͷ࡟আ 22→23

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build.gradle android { // ... useLibrary 'org.apache.http.legacy' }

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ϏϧυΤϥʔ͸ղܾ 22→23

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࣮ߦ࣌Τϥʔ 22→23

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࣮ߦ࣌ύʔϛογϣϯ ͷ࢓༷௥Ճ 22→23

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ϥΠϒϥϦ͕৭ʑ͋Δ 22→23

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PermissionsDispatcher ࢖ͬͨ 22→23

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࢖༻ྫ @RuntimePermissions public class MainActivity extends AppCompatActivity { @NeedsPermission(Manifest.permission.CAMERA) void showCamera() { // ... } @OnShowRationale(Manifest.permission.CAMERA) void showRationaleForCamera(final PermissionRequest request) { // ... } @OnPermissionDenied(Manifest.permission.CAMERA) void showDeniedForCamera() { // ... } @OnNeverAskAgain(Manifest.permission.CAMERA) void showNeverAskForCamera() { // ... } } https://github.com/permissions-dispatcher/PermissionsDispatcher

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23→24 (Android 6.0→7.0)

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ಈ࡞ɾUIͷද͕͓͔͍ࣔ͠ 23→24

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ContentResolver.addPeriodicSync ͷ࢓༷มߋ 23→24 ࢀߟ: https://developer.android.com/reference/android/content/ContentResolver.html

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ࢦఆִ͕ͨؒ͠15෼ʹؙΊΒΕΔ 23→24 ࢀߟ: https://developer.android.com/reference/android/content/ContentResolver.html

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UIͷද͚ࣔͩमਖ਼ 23→24

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24→25 (Android 7.0→7.1)

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OK 24→25

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25→26 (Android 7.1→8.0)

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ϏϧυΤϥʔ 25→26

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ActionBarActivity ͷ࡟আ 25→26 ࢀߟ: https://android-developers.googleblog.com/2015/04/android-support-library-221.html

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ରԠྫ import android.support.v7.app.ActionBarActivity; // ... public class BaseActivity extends ActionBarActivity { // ... }

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ରԠྫ import android.support.v7.app.AppCompatActivity; // ... public class BaseActivity extends AppCompatActivity { // ... }

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26→27 (Android 8.0→8.1)

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OK 26→27

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27→28 (Android 8.1→9.0)

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࣮ߦ࣌Τϥʔ 27→28

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org.apache.http.legacy ͷ࡟আ 27→28 ࢀߟ: https://developer.android.com/about/versions/pie/android-9.0-changes-28

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AndroidManifest.xml ... ... ࢀߟ: https://developer.android.com/about/versions/pie/android-9.0-changes-28

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·ͱΊ

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Ұཡ "1*Ϩϕϧ 04όʔδϣϯ ग़͖ͯͨ՝୊ PSHBQBDIFIUUQͷ࡟আ ࣮ߦ࣌ύʔϛογϣϯͷ࢓༷௥Ճ $POUFOU3FTPMWFSBEE1FSJPEJD4ZODͷ࢓༷มߋ "DUJPO#BS"DUJWJUZͷ࡟আ PSHBQBDIFIUUQMFHBDZͷ࡟আ