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Hand-made Crash Report of Android Library
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petitviolet
October 13, 2015
Technology
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Hand-made Crash Report of Android Library
http://connpass.com/event/20240/
How to implement crash report of Android-Library
petitviolet
October 13, 2015
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Transcript
Hand-made CrashReport of Android Library potatotips #22 @petitviolet
About me • @petitviolet • Fringe81 Co., Ltd. • ࠂSDKͷAndroid/iOS։ൃ
• ࠷ۙScalaॻ͍ͯ·͢
ΫϥογϡϨϙʔτ
None
CrashReport • ΞϓϦέʔγϣϯ͕Ϋϥογϡͨ࣌͠ͷঢ়گ ΛϨϙʔτͱͯ͠ૹ৴ • ͷछྨ • OS • ελοΫτϨʔε
• etc.
crashlytics https://try.crashlytics.com/
ACRA https://github.com/ACRA/acra
Desire • ϥΠϒϥϦىҼͷΫϥογϡϩάऩू͍ͨ͠ • ΞϓϦͷΫϥογϡϩάऩू͠ͳ͍ • ͦΕCrashlyticsʹ͓ͤ • ಠࣗͷσʔλ͕ཉ͍͠
UncaughtException • (جຊతʹ)Ϋϥογϡ͢Δͱ͖ʹඈͿྫ֎ • catch͞Εͳ͔ͬͨͷͰuncaught • ErrorͰͳ͘Exception
UncaughtExceptionHandler • UncaughtExceptionΛͲ͏ѻ͏͔ • σϑΥϧτͷಈ࡞ getDefaultUncaughtExceptionHandler • Defaultͷಈ࡞Λյ͞ͳ͍ͨΊʹอଘ
جຊ෦ class MyUncaughtExceptionHandler implements Thread.UncaughtExceptionHandler { private static final
String PACKAGE_NAME = BuildConfig.APPLICATION_ID; private final Thread.UncaughtExceptionHandler mDefaultHandler; private WeakReference<Context> mContext; volatile private static boolean sCrashing = false; public MyUncaughtExceptionHandler(Context context) { mContext = new WeakReference<>(context.getApplicationContext()); mDefaultHandler = Thread.getDefaultUncaughtExceptionHandler(); } }
جຊ෦ class MyUncaughtExceptionHandler implements Thread.UncaughtExceptionHandler { private static final
String PACKAGE_NAME = BuildConfig.APPLICATION_ID; private final Thread.UncaughtExceptionHandler mDefaultHandler; private WeakReference<Context> mContext; volatile private static boolean sCrashing = false; public MyUncaughtExceptionHandler(Context context) { mContext = new WeakReference<>(context.getApplicationContext()); mDefaultHandler = Thread.getDefaultUncaughtExceptionHandler(); } } UncaughtExceptionHandlerΛܧঝ
جຊ෦ class MyUncaughtExceptionHandler implements Thread.UncaughtExceptionHandler { private static final
String PACKAGE_NAME = BuildConfig.APPLICATION_ID; private final Thread.UncaughtExceptionHandler mDefaultHandler; private WeakReference<Context> mContext; volatile private static boolean sCrashing = false; public MyUncaughtExceptionHandler(Context context) { mContext = new WeakReference<>(context.getApplicationContext()); mDefaultHandler = Thread.getDefaultUncaughtExceptionHandler(); } } DefaultͷUncaughtExceptionHandlerΛอଘ UncaughtExceptionHandlerΛܧঝ
جຊ෦ @Override public void uncaughtException(final Thread thread, final Throwable ex)
{ if (sCrashing) { mDefaultHandler.uncaughtException(thread, ex); return; } sCrashing = true; StackTraceElement[] stackTraceElements = ex.getStackTrace(); boolean inLibraryException = false; for (StackTraceElement stackTraceElement : stackTraceElements) { if (stackTraceElement.getClassName().contains(PACKAGE_NAME)) { inLibraryException = true; break; } } // ϥΠϒϥϦͰͷΫϥογϡͩͬͨ߹ϩάΛૹΔ if (inLibraryException) { try { sendCrashReport(ex); } catch (Exception e) { e.printStackTrace(); } } // ϝΠϯεϨουͩͬͨ߹ࢮ͵͔͠ແ͍ if (thread.getId() == Looper.getMainLooper().getThread().getId() || !inLibraryException) { mDefaultHandler.uncaughtException(thread, ex); } }
@Override public void uncaughtException(final Thread thread, final Throwable ex) {
if (sCrashing) { mDefaultHandler.uncaughtException(thread, ex); return; } sCrashing = true; StackTraceElement[] stackTraceElements = ex.getStackTrace(); boolean inLibraryException = false; for (StackTraceElement stackTraceElement : stackTraceElements) { if (stackTraceElement.getClassName().contains(PACKAGE_NAME)) { inLibraryException = true; break; } } ͢ͰʹΫϥογϡͨ͠ޙͳΒࢮ͵
@Override public void uncaughtException(final Thread thread, final Throwable ex) {
if (sCrashing) { mDefaultHandler.uncaughtException(thread, ex); return; } sCrashing = true; StackTraceElement[] stackTraceElements = ex.getStackTrace(); boolean inLibraryException = false; for (StackTraceElement stackTraceElement : stackTraceElements) { if (stackTraceElement.getClassName().contains(PACKAGE_NAME)) { inLibraryException = true; break; } } ͢ͰʹΫϥογϡͨ͠ޙͳΒࢮ͵ LibraryͷΫϥογϡ͔Ͳ͏͔ఆ
// ϥΠϒϥϦͰͷΫϥογϡͩͬͨ߹ϩάΛૹΔ if (inLibraryException) { try { sendCrashReport(ex); } catch
(Exception e) { e.printStackTrace(); } } // ϝΠϯεϨουͩͬͨ߹ࢮ͵͔͠ແ͍ if (thread.getId() == Looper.getMainLooper().getThread().getId() || !inLibraryException) { mDefaultHandler.uncaughtException(thread, ex); } }
// ϥΠϒϥϦͰͷΫϥογϡͩͬͨ߹ϩάΛૹΔ if (inLibraryException) { try { sendCrashReport(ex); } catch
(Exception e) { e.printStackTrace(); } } // ϝΠϯεϨουͩͬͨ߹ࢮ͵͔͠ແ͍ if (thread.getId() == Looper.getMainLooper().getThread().getId() || !inLibraryException) { mDefaultHandler.uncaughtException(thread, ex); } } LibraryͷΫϥογϡͳΒϩάૹ৴
// ϥΠϒϥϦͰͷΫϥογϡͩͬͨ߹ϩάΛૹΔ if (inLibraryException) { try { sendCrashReport(ex); } catch
(Exception e) { e.printStackTrace(); } } // ϝΠϯεϨουͩͬͨ߹ࢮ͵͔͠ແ͍ if (thread.getId() == Looper.getMainLooper().getThread().getId() || !inLibraryException) { mDefaultHandler.uncaughtException(thread, ex); } } Library֎ͷΫϥογϡ͔UIεϨουͳΒࢮ͵ LibraryͷΫϥογϡͳΒϩάૹ৴
جຊ෦ @Override public void uncaughtException(final Thread thread, final Throwable ex)
{ if (sCrashing) { mDefaultHandler.uncaughtException(thread, ex); return; } sCrashing = true; StackTraceElement[] stackTraceElements = ex.getStackTrace(); boolean inLibraryException = false; for (StackTraceElement stackTraceElement : stackTraceElements) { if (stackTraceElement.getClassName().contains(PACKAGE_NAME)) { inLibraryException = true; break; } } // ϥΠϒϥϦͰͷΫϥογϡͩͬͨ߹ϩάΛૹΔ if (inLibraryException) { try { sendCrashReport(ex); } catch (Exception e) { e.printStackTrace(); } } // ϝΠϯεϨουͩͬͨ߹ࢮ͵͔͠ແ͍ if (thread.getId() == Looper.getMainLooper().getThread().getId() || !inLibraryException) { mDefaultHandler.uncaughtException(thread, ex); } } LibraryͷΫϥογϡ͔Ͳ͏͔ఆ LibraryͷΫϥογϡͳΒϩάૹ৴ Library֎ͷΫϥογϡ͔UIεϨουͳΒࢮ͵ ͢ͰʹΫϥογϡͨ͠ޙͳΒࢮ͵
େࣄͳ͜ͱ • ϥΠϒϥϦΫϥογϡϩάΈͯվળ • ΞϓϦͷअຐΛ͠ͳ͍ • σϑΥϧτͷಈ࡞Λࡴ͞ͳ͍ • ϑϦʔζͤ͞ͳ͍Α͏ʹ •
ແݶΫϥογϡ͠ͳ͍Α͏ʹཧ • ໘Ͱϑϥάཧ