Systemアプリ開発入門

by kobashin

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SystemΞϓϦ։ൃೖ໳ DroidKaigi 2017 Day 2 14:20 - 14:50 kobashin

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 2 ͜ͷεϥΠυʹ͍ͭͯ https://goo.gl/cj9AXW ∠ Լʹஔ͍ͯ·͢ ݟ͑ʹ͍͘ͱ͜Ζ΋͋Δͱࢥ͏ͷͰ ݟͳ͕ΒͲ͏ͧ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 3 ࣗݾ঺հ Shinji Kobayashi (@kobashinG) Androidͱ͸2009ೖࣾҎདྷͷ෇͖߹͍  ΞϓϦΑΓFramework૚ͷ࢓ࣄ͕ଟΊ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 4 ࠓ೔͓࿩͢Δ͜ͱ 1. SystemΞϓϦͱύʔϛογϣϯ 2. SystemΞϓϦͱϚϧνϢʔβʔ 3. SystemΞϓϦͱ։ൃ؀ڥ ͓·͚ʹ͍ۙ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 5 λʔήοτ • SystemΞϓϦΛ։ൃͨ͜͠ͱ͕ແ͍ • platformॺ໊ͷཁෆཁʹ໎ͬͨ͜ͱ͕͋Δ  ͱΓ͋͑ͣॺ໊͚ͭͱ͚ • SystemΞϓϦͰϚϧνϢʔβʔαϙʔτ  Λ͍ͨ͠

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 6 ஫ҙࣄ߲ • ຊ೔͓࿩͢Δ͜ͱ͸ɺandroid-7.1.1_r13  Λϕʔεʹ͍ͯ͠·͢ • ಈ࡞֬ೝʹ͸Nexus6Λར༻  Tablet-UI, Restricted proﬁleͷ֬ೝ༻ʹ  গ͠ROMΛ࿔ͬͯ·͢

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1 SystemΞϓϦͱύʔϛογϣϯ ∠

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SystemΞϓϦͱ͸ʁ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 9 AndroidʹΠϯετʔϧ͞Ε͍ͯΔΞϓϦ # # # # GooglePlay ౳͔Β SystemΞϓϦʹ୺຤ʹϓϦΠϯ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 10 AndroidʹΠϯετʔϧ͞Ε͍ͯΔΞϓϦ • System.imgʹؚ·Εͳ͍௨ৗͷΞϓϦ • System.imgʹؚ·ΕΔΞϓϦ • PrivilegedΞϓϦ • sharedUserId=“android.uid.xxxx” • ಛఆͷॺ໊෇͖ΞϓϦ • etc… SystemΞϓϦ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 11 ௨ৗͷΞϓϦͱSystemΞϓϦͱͷҧ͍ • ύʔϛογϣϯϞσϧʹΑΓ੍ݶ͞Εͨ  APIͷར༻ • @hide API, @systemApiͷར༻ • ಉuid͔ΒͷΈͷΞΫηεՄAPIͷར༻ $ Πϯετʔϧख๏ʹΑΓݖݶ͕ҟͳΔ ∠

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ύʔϛογϣϯϞσϧ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 13 ύʔϛογϣϯϞσϧ • ΞϓϦ͕อ࣋͢ΔύʔϛογϣϯͷΈ  ΞϓϦαϯυϘοΫε֎ͷϦιʔε΁ͷ  ΞΫηε΁ڐՄΛ༩͑Δ MyApp INTERNET # % & device API INTERNET CAMERA CAMERA

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 14 protectionLevel = BasicProtection | AdditionalFlag ex. signatureOrSystem = signature | privileged ϓϩςΫγϣϯϨϕϧ + permission: a.p.WRITE_MEDIA_STORAGE package: android label: null description: null protectionLevel: signature|privileged

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 15 Basic Protection Type ֓ཁɺڐՄ৚݅ normal ௿ϦεΫ dangerous Ϣʔβͷݸਓ৘ใ΍อଘσʔλ΁ ͷΞΫηε͕ൃੜ͢Δ signature ύʔϛογϣϯͷఆٛऀͱಉ͡ॺ ໊Λ࣋ͭΞϓϦ signatureOrSystem signatureݖݶɺSystemΞϓϦ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 16 Additional Flag ֓ཁɺڐՄ৚݅ privileged(system) /system/priv-app ҎԼʹΠϯετʔϧ ͞ΕͨΞϓϦ development ༧ΊڐՄ͍ͯ͠ͳ͍ͱڐՄͰ͖ͳ͍ installer Intent.ACTION_INSTALL_PACKAGEʹ ൓Ԡ͢ΔActivityΛ࣋ͭΞϓϦ appop AppOpsͰ؅ཧ͞Ε͍ͯΔύʔϛογ ϣϯ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 17 Additional Flag ֓ཁɺڐՄ৚݅ pre23 targetSdkVersion < 23 veriﬁer Intent.ACTION_PACKAGE_NEEDS_VER IFICATIONʹ൓ԠͰ͖ΔActivityΛ࣋ͭ setup Intent.CATEGORY_SETUP_WIZARDʹ ൓ԠͰ͖ΔActivityΛ࣋ͭ preinstalled γεςϜΠϝʔδʹؚ·ΕΔશͯͷΞ ϓϦ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 18 ͨͱ͑͹ • FactoryResetػೳΛ࣋ͭ • ୺຤ΛεϦʔϓঢ়ଶʹ͢ΔػೳΛ࣋ͭ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 19 APIΛ୳͢ • ྨࣅΞϓϦ͔ΒAPIΛ୳͢ • SettingsΞϓϦ͕࣋ͬͯΔ • ֘౰Օॴͷιʔε͔ΒAPIΛݟ͚ͭΔ private void doMasterClear() {  Intent intent = new Intent(Intent.ACTION_MASTER_CLEAR);  intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND);  intent.putExtra(Intent.EXTRA_REASON, "MasterClearConfirm");  intent.putExtra(Intent.EXTRA_WIPE_EXTERNAL_STORAGE, mEraseSdCard);  getActivity().sendBroadcast(intent);  // Intent handling is asynchronous -- assume it will happen soon.  }  MasterClearConﬁrm.java

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 20 APIຖͷύʔϛογϣϯΛ֬ೝ         AndroidManifest.xml ୺຤ΛFactoryReset͢ΔAPI͸ ʮMASTER_CLEARʯ͕ඞཁ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 21 permissionͷprotectionLevelΛ֬ೝ $ adb shell pm list permissions -f + permission:android.permission.MASTER_CLEAR package:android label:null description:null protectionLevel:signature|privileged ʮMASTER_CLEARʯ-> signature | privileged ॺ໊ or /system/priv-app ΁Πϯετʔϧඞཁ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 22 ͨͱ͑͹ • FactoryResetػೳΛ࣋ͭ • ୺຤ΛεϦʔϓঢ়ଶʹ͢ΔػೳΛ࣋ͭ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 23 APIΛ୳͢ • XXManager͔ΒAPIΛ୳͢ • ֘౰Օॴͷιʔε͔ΒAPIΛݟ͚ͭΔ /**  * Forces the device to go to sleep.  *   * Requires the {@link android.Manifest.permission#DEVICE_POWER} * permission.  *   * @hide Requires signature permission.  */  public void goToSleep(long time, int reason, int flags) {  PowerManager.java

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 24 APIຖͷύʔϛογϣϯΛ֬ೝ /**  * Forces the device to go to sleep.  *   * Requires the {@link android.Manifest.permission#DEVICE_POWER} * permission.  *   * @hide Requires signature permission.  */  public void goToSleep(long time, int reason, int flags) {  PowerManager.java ୺຤ΛSleepঢ়ଶ΁Ҡߦ͢ΔAPI͸ ʮDEVICE_POWERʯ͕ඞཁ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 25 permissionͷprotectionLevelΛ֬ೝ $ adb shell pm list permissions -f + permission:android.permission.DEVICE_POWER package:android label:null description:null protectionLevel:signature ʮDEVICE_POWERʯ-> signature͕ඞཁ  platformॺ໊͕ඞཁ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 26 SystemΞϓϦͱύʔϛογϣϯ • ඞཁͳػೳʹ߹Θͤύʔϛογϣϯͷ  protectionLevelΛ֬ೝ㱺ඞཁͳݖݶΛ෇༩ • AdditionalFlagͷৄࡉ͸ɺԼهॲཧ෦͕  Θ͔Γ΍͍͢ • PackageManagerService.grantSignaturePermission()

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signature + android.uid.system

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 28 sharedUserId=“android.uid.system” • uidΛݻఆԽʢuid = 1000ʣ • uid.system͕࣋ͭϦιʔε΁ͷΞΫηε • Ұ෦੍ݶAPIΛར༻Մೳʹ • platformॺ໊ඞཁ • ҰํɺWebView͕ར༻ෆՄೳʹ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 29 uidʹΑ੍ͬͯݶ͞ΕΔAPI /**  * Validate a user-supplied password string with cryptfs  */  @Override  public int verifyEncryptionPassword(String password) throws RemoteException {  // Only the system process is permitted to validate passwords  if (Binder.getCallingUid() != android.os.Process.SYSTEM_UID) {  throw new SecurityException("no permission to access the crypt keeper");  } MountService.java ҉߸ԽFSͷύεϫʔυνΣοΫAPI

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 30 uidʹΑ੍ͬͯݶ͞ΕΔAPI final int uid = android.os.Process.myUid();  if (uid == android.os.Process.ROOT_UID || uid == android.os.Process.SYSTEM_UID) {  throw new UnsupportedOperationException(  "For security reasons, WebView is not allowed in privileged processes");  } WebViewFactory.java ٯʹandroid.uid.systemͱ͢Δ͜ͱͰWebview ͸ར༻Ͱ͖ͳ͘ͳΔ

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·ͱΊ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 32 privileged? APIݕ౼ ҰൠAPP signature? uid? priv-app signature sharedUid SystemΞϓϦͱύʔϛογϣϯ YES NO NO YES YES NO

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 33 SystemΞϓϦͱύʔϛογϣϯ • API͸ྨࣅΞϓϦ or XXManager͔Β୳͢ • Platformॺ໊͕ඞཁ͔Ͳ͏͔ • ԿͰ΋͚ͭΕ͹ྑ͍ͬͯ΋ͷͰ΋ແ͍ • uid.system͸੍ݶ΋͋Δ͜ͱʹ஫ҙ Point

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 34 SystemΞϓϦͱύʔϛογϣϯ • Platformॺ໊Ҏ֎ʹ΋UICCอଘॺ໊ͱ  Ұக͠ͳ͚Ε͹ར༻ෆՄAPI΋ଘࡏ͢Δ  TelephonyManager.*ͱ͔ • ΞοϓσʔτͷΞϯΠϯετʔϧ͕Մೳ • /system/appͷΞϓϦ΁μ΢ϯάϨʔυ • migrationରԠΘ͢Εͣʹ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 35 SystemΞϓϦͱΞοϓσʔτ • ΞοϓσʔτࡁΈͷSystemΞϓϦ͔Ͳ͏͔  ͸্هAPIͰ֬ೝՄೳ /**  * @hide  */  public boolean isUpdatedSystemApp() {  return (flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0;  } ApplicationInfo.java

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2 SystemΞϓϦͱϚϧνϢʔβʔ ∠

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 37 ϚϧνϢʔβʔ͓͞Β͍ Tablet • from 4.2 • Restricted Proﬁle Hand Set ※ݫີʹ͸Voice capableʹର Ԡ͍ͯ͠Δ͔Ͳ͏͔ • from 5.0

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 38 ΞϓϦͷΠϯετʔϧͷ͞Εํ /data/user/ 0 10 11 • Owner User • /data/data/ ΁ͷSymbolic Link • New User • New Proﬁle $ ΞϓϦέʔγϣϯσʔλ͸Ϣʔβʔຖʹಠཱ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 39 ϢʔβʔؒͰσʔλڞ༗͍ͨ͠ • ΞϓϦσʔλ/EXTERNAL STORAGE σʔλڞʹϢʔβʔຖʹഉଞ • ઃఆҾ͖ܧ͗ • ϢʔβʔຖʹৼΔ෣͍Λมߋ͍ͨ͠ service, receiverΛʮSingleton Componentʯʹ ∠

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Singleton Component

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 41 MyApp uid=0 MyApp uid=10 Activity Service singleUser Activity Singleton Component service, receiver΁singleUse=“true”Λઃఆ uid=0 ͷcomponentΛSingletonͱͯ͠ར༻

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 42 ϚϧνϢʔβʔૢ࡞ʹඞཁͳॺ໊ • INTERACT_ACROSS_USER • signature | privilege • Ϣʔβʔૢ࡞Ұൠʹඞཁ • INTERACT_ACROSS_USER_FULL • signature • ଞϢʔβʔͷActivityىಈ  ଞϢʔβʔͷContentObserverొ࿥ͳͲ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 43 Singleton Component     AndroidManifest.xml

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 44 Singleton Component @Override  public int sampleAidlApi() throws RemoteException {  File file = getFilesDir(); // ͲͷϢʔβ͔ΒͰ΋ /data/user/0/xxx.xxx.xxx/files  Log.i(TAG, "filesDir: " + file.getAbsolutePath());    SampleService.java

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 45 Singleton Component಺ͰϢʔβʔνΣοΫ • UserHandle.getCallingUserId() • Binderܦ༝ͷAPIΞΫηεݩUIDΛऔಘ • UserManager.getUserInfo() • ֤Ϣʔβʔͷৄࡉ৘ใΛऔಘ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 46 Singleton Component @Override  public int sampleAidlApi() throws RemoteException {  if( UserHandle.USER_SYSTEM == getCallingUserId()){  // USER_SYSTEM (uid == 0)  } else {  // other user (uid != 0)  UserManager userManager = (UserManager) getSystemService(USER_SERVICE);  UserInfo userInfo = ɹuserManager.getUserInfo(getCallingUserId());  // ֤ϢʔβຖͷInfo UserInfo{10:New user:10} Log.i(TAG, "UserInfo " + userInfo.toString());  }  SampleService.java

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 47 ϢʔβʔຖͷComponentΛىಈ͢Δ • startActivityAsUser(Intent, UserHandle) • UserΛࢦఆ͠ActivityΛىಈ • ֤ίϯϙʔωϯτ༻ʹAsUser API͕ଘࡏ • ޡͬͨActivityΛىಈ͠Α͏ͱͨ͠৔߹  SecurityException͕ൃੜ͢Δ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 48 Singleton Component @Override  public int sampleAidlApi() throws RemoteException {  // loginதϢʔβʔͷActivityىಈ Intent intent = new Intent();  intent.setClass(MultiUserSingletonService.this, MainActivity.class);  intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);  startActivityAsUser(intent, UserHandle.CURRENT); // uid=0ϢʔβʔͷServiceىಈ(SYSTEM=OWNER) startServiceAsUser(intent, UserHandle.SYSTEM);      SampleService.java

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SystemΞϓϦ ͱ Restricted Proﬁle

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 50 Restricted Proﬁle • ੍ݶϢʔβʔʹ͸ɺΞϓ ϦέʔγϣϯͷڐՄঢ় ଶΛઃఆͰ͖Δ • Intent.ACTION_GET_RES TRICTION_ENTRIESʹΑ Γ੍ݶ಺༰Λݸผʹઃ ఆͰ͖Δ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 51 SystemΞϓϦͱRestricted Proﬁle • SystemΞϓϦͷදࣔ৚݅ • ॺ໊༗Γ͸ඇදࣔ • platformॺ໊ແ͠͸දࣔ • platformॺ໊༗Γʴɹ Intent.ACTION_GET_REST RICTION_ENTRIESΛड৴ ͢ΔReceiver࣮૷

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 52 ະॺ໊ platformॺ໊ platformॺ໊ has receiver දࣔঢ়ଶ දࣔ ඇදࣔ දࣔ + ' SystemΞϓϦͱRestricted Proﬁle • platformॺ໊࣋ͪͷ৔߹͸ON/OFFઃఆͰ͖ͳ͍  ৄࡉઃఆΛߦ͏ͨΊʹ Intent.ACTION_GET_RESTRICTION_ENTRIESΛϋϯυϧ͢Δ

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·ͱΊ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 54 SystemΞϓϦͱϚϧνϢʔβʔ • جຊҰൠΞϓϦͱมΘΒͳ͍ • ϢʔβʔؒͰσʔλڞ༗ɺϢʔβʔຖͷڍಈมߋ  ɹ㱺singleUserͷservice, receiverΛར༻͢Δ • Restricted Proﬁle͸ॺ໊༗ແͰڍಈมߋ͋Γ  ඞཁʹԠ͡ACTION_GET_RESTRICTION_ENTRIESͷ  ࣮૷ݕ౼Λʢ࣮૷಺༰͸ҰൠΞϓϦͱಉ౳ʣ

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3 SystemΞϓϦͱ։ൃ؀ڥ ∠

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SystemΞϓϦ ʴ Android Studio

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 57 AndroidSDKͷ࣋ͨͳ͍APIΛར༻͢Δ • AndroidSDKͷ࣋ͨͳ͍APIΛར༻  ɹ㱺௨ৗͷ؀ڥͩͱࢀরΤϥʔൃੜ • AOSPϏϧυ؀ڥͰϏϧυඞཁ  㱺IDE͕ར༻Ͱ͖ͳ͍໰୊  ʢEclipse༻ͷαϙʔτϖʔδ͸͕͋ͬͨɺ  ɹAndroid Studio༻͸ແ͍ΑͶʁʣ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 58 AndroidSDKͷ࣋ͨͳ͍APIΛར༻͢Δ 1. AOSPͷϏϧυʢframework.jarੜ੒ʣ 2. framework.jarΛϥΠϒϥϦͱͯ͠ొ࿥ 3. ϏϧυΤϥʔճආͷͨΊbuild.gradleมߋ 4. ॺ໊͕ඞཁͰ͋Ε͹෇༩͢Δ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 59 2. framework.jarΛϥΠϒϥϦͱͯ͠ొ࿥ 1. out/target/common/obj/JAVA_LIBRARIES/ framework_intermediates/classes.jar   Λίϐʔˍϖʔετ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 60 2. framework.jarΛϥΠϒϥϦͱͯ͠ొ࿥ 2. apkʹؚΊͳ͍Α͏ʹprovidedͰಡΈࠐΉ dependencies {  // build pathʹframework.jarΛؚΊΔɻAPKʹ͸ؚΊͳ͍  provided fileTree(dir: 'framework', include: ['*.jar']) }

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 61 3. ϏϧυΤϥʔճආͷͨΊbuild.gradleมߋ • Editor͸app.imlͷϥΠϒϥϦΛ্͔Βϩʔυ  ͠ࢀরΛղܾ͢Δ • framework.jarΛSDKΑΓ΋্ʹมߋ • build.gradleʹtaskॻ͍͓ͯ͘ͱศར

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 62 import groovy.xml.*  task changeOrderEntry {  def iml = file("app.iml")  def doc = (new XmlParser()).parse(iml);  def deleteNode = doc.component[1].orderEntry.find { it.@type == "jdk" }    def _type = deleteNode.@type  def _jdkName = deleteNode.@jdkName  def _jdkType = deleteNode.@jdkType    doc.component[1].remove(deleteNode)  new Node(doc.component[1], 'orderEntry', ['type': _type, 'jdkName': _jdkName, 'jdkType': _jdkType])    iml.text = XmlUtil.serialize(doc)  }  preBuild.dependsOn(changeOrderEntry) 3. ϏϧυΤϥʔճආͷͨΊbuild.gradleมߋ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 63 tasks.withType(JavaCompile) {  options.compilerArgs.add('-Xbootclasspath/p:app/framework/ framework.jar')  }  3. ϏϧυΤϥʔճආͷͨΊbuild.gradleมߋ • packageੜ੒࣌ʹBuildPathʹׂΓࠐΉʹ͸  -Xbootclasspath/p: Λར༻͢Δ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 64 4. ॺ໊͕ඞཁͳΒ෇༩͢Δ • debugॺ໊͸ build/target/product/security • keytool-importkeypair • https://github.com/getfatday/keytool-importkeypair signingConfigs {  debug {  storeFile file(“/path/to/debug.keystore")  storePassword "android"  keyAlias "platform"  keyPassword "android"  }  } 

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 65 AndroidSDKͷ࣋ͨͳ͍APIΛར༻͢Δ • priv-app΁ͷΠϯετʔϧ͸ผ్ඞཁ • ࠷ۙͷﬁrm͸dm-verity͕̤̣ͳͷͰ  `adb disable-verity; adb reboot;` Λ๨Εͣʹ • SDKͷjarΛฤू͢Δํ๏ͩͱɺ  :app:mockableAndroidJar TaskͰΤϥʔൃੜ

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debugging framework

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 67 Debugging AOSP Source 1. user-debugͷ࣮ػΛ༻ҙ 2. AOSPͷϏϧυ 3. ./development/tools/idegen/intellij-gen.sh  ͰϓϩδΣΫτͷiprΛ࡞੒ 4. DDMSىಈ 5. studioͰಡΈࠐΈ & debug࣮ߦ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 68   $ ./development/tools/idegen/intellij-gen.sh \ packages/apps/Settings $ monitor  iprͷ࡞੒ͱDDMSͷىಈ • intellij-gen.shΛར༻͠iprΛ࡞੒ • idegen.shͰ΋ߏΘͳ͍͕AOSPશମ͸ϝϞϦෛՙ • DDMS͕port:8700ͰσόΠεͱ௨৴  ಉportͰAndroid StudioͰremote઀ଓ͢Δ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 69 DDMSͰΞλον͢ΔϓϩηεΛબ୒

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 70 Edit ConﬁgurationͰRemote DebugΛ௥Ճ Port:8700Λࢦఆ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 71 SettingsΞϓϦͷσόοά

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 72 Debugging AOSP Source • Step࣮ߦ౳΋ࣗ༝ʹͰ͖ΔͷͰɺAOSPͷ  ιʔεΛಡΉͱ͖ͷखॿ͚ʹ • DDMSͷىಈॱʹΑͬͯ͸8700Ͱ઀ଓ  Ͱ͖ͳ͍ͱ͖΋͋ΔͷͰ஫ҙ

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·ͱΊ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 74 ·ͱΊ • Ϗϧυ͸ίϚϯυϥΠϯͰӡ༻͸ਏ͍ • AOSPͷιʔεΛಡΉ؀ڥͱͯ͠1ͭ༻ҙ  ͓ͯ͘͠ͱίʔυϦʔσΟϯάḿΔ  ʢIntellijͷBookmarkػೳͱ͔௒ศར͡Όͳ͍Ͱ͔͢ʣ

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SystemΞϓϦ։ൃೖ໳ ! @kobashinG 75 ͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠