Proguard/r8 instructions missing
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- 2/5
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- 1-3 小時
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- 45/100
- Issue 類型
- 文件
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- 基本清楚
- 活躍度
- 停滯
研究方向
首先比較 issue 中連結的 Setup Instructions 和 Android 頁面，尤其是缺少的 ProGuard 區段參照。記錄此函式庫所需的 ProGuard/R8 指引，並確保 Android 說明指向已完成的區段；確認連結和措辭一致。
由索引模型根據 Issue 內容生成。
描述
type: feature request
From the Readme, I am following Setup Instructions, then Android. Here it says "pay special attention to the Android instructions for ProGuard." but the referenced Proguard section does not exist.
I have been using this library with R8 successfully in the past, but recently tried out full mode, and got following exception:
Non-fatal Exception: java.lang.ExceptionInInitializerError:
at java.lang.Class.newInstance(Class.java)
at com.google.api.client.util.Types.newInstance(Types.java:113)
at com.google.api.client.util.Data.newMapInstance(Data.java:550)
at com.google.api.client.json.JsonParser.parseValue(JsonParser.java:766)
at com.google.api.client.json.JsonParser.parse(JsonParser.java:360)
at com.google.api.client.json.JsonParser.parse(JsonParser.java:335)
at com.google.api.client.json.JsonObjectParser.parseAndClose(JsonObjectParser.java:79)
at com.google.api.client.json.JsonObjectParser.parseAndClose(JsonObjectParser.java:73)
at com.google.api.client.http.HttpResponse.parseAs(HttpResponse.java:460)
at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.execute(AbstractGoogleClientRequest.java:603)
at org.totschnig.drive.sync.DriveServiceHelper.getFile(DriveServiceHelper.java:143)
at org.totschnig.drive.sync.GoogleDriveBackendProvider.requireBaseFolder(GoogleDriveBackendProvider.kt:403)
at org.totschnig.drive.sync.GoogleDriveBackendProvider.<init>(GoogleDriveBackendProvider.kt:420)
at org.totschnig.drive.sync.GoogleDriveBackendProviderFactory.fromAccount(GoogleDriveBackendProviderFactory.kt:19)
at org.totschnig.drive.sync.GoogleDriveBackendProviderFactory.fromAccount(GoogleDriveBackendProviderFactory.kt:12)
at org.totschnig.myexpenses.sync.SyncBackendProviderFactory.from-0E7RQCE(SyncBackendProviderFactory.kt:18)
at org.totschnig.myexpenses.sync.SyncBackendProviderFactory.access$from-0E7RQCE(SyncBackendProviderFactory.kt:12)
at org.totschnig.myexpenses.sync.SyncBackendProviderFactory$Companion.get-0E7RQCE(SyncBackendProviderFactory.kt:41)
at org.totschnig.myexpenses.sync.SyncAdapter.onPerformSync(SyncAdapter.kt:123)
at android.content.AbstractThreadedSyncAdapter$SyncThread.run(AbstractThreadedSyncAdapter.java:354)
Caused by java.lang.IllegalArgumentException: unable to create new instance of class kc.a because it is abstract and because it has no accessible default constructor
at com.google.api.client.util.Types.handleExceptionForNewInstance(Types.java:162)
at com.google.api.client.util.Types.newInstance(Types.java:117)
at com.google.api.client.util.Data.createNullInstance(Data.java:166)
at com.google.api.client.util.Data.nullOf(Data.java:134)
at com.google.api.services.drive.model.File.<clinit>(File.java:69)
at java.lang.Class.newInstance(Class.java)
at com.google.api.client.util.Types.newInstance(Types.java:113)
at com.google.api.client.util.Data.newMapInstance(Data.java:550)
at com.google.api.client.json.JsonParser.parseValue(JsonParser.java:766)
at com.google.api.client.json.JsonParser.parse(JsonParser.java:360)
at com.google.api.client.json.JsonParser.parse(JsonParser.java:335)
at com.google.api.client.json.JsonObjectParser.parseAndClose(JsonObjectParser.java:79)
at com.google.api.client.json.JsonObjectParser.parseAndClose(JsonObjectParser.java:73)
at com.google.api.client.http.HttpResponse.parseAs(HttpResponse.java:460)
at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.execute(AbstractGoogleClientRequest.java:603)
at org.totschnig.drive.sync.DriveServiceHelper.getFile(DriveServiceHelper.java:143)
at org.totschnig.drive.sync.GoogleDriveBackendProvider.requireBaseFolder(GoogleDriveBackendProvider.kt:403)
at org.totschnig.drive.sync.GoogleDriveBackendProvider.<init>(GoogleDriveBackendProvider.kt:420)
at org.totschnig.drive.sync.GoogleDriveBackendProviderFactory.fromAccount(GoogleDriveBackendProviderFactory.kt:19)
at org.totschnig.drive.sync.GoogleDriveBackendProviderFactory.fromAccount(GoogleDriveBackendProviderFactory.kt:12)
at org.totschnig.myexpenses.sync.SyncBackendProviderFactory.from-0E7RQCE(SyncBackendProviderFactory.kt:18)
at org.totschnig.myexpenses.sync.SyncBackendProviderFactory.access$from-0E7RQCE(SyncBackendProviderFactory.kt:12)
at org.totschnig.myexpenses.sync.SyncBackendProviderFactory$Companion.get-0E7RQCE(SyncBackendProviderFactory.kt:41)
at org.totschnig.myexpenses.sync.SyncAdapter.onPerformSync(SyncAdapter.kt:123)
at android.content.AbstractThreadedSyncAdapter$SyncThread.run(AbstractThreadedSyncAdapter.java:354)
Caused by java.lang.InstantiationException: java.lang.Class<kc.a> cannot be instantiated
at java.lang.Class.newInstance(Class.java)
at com.google.api.client.util.Types.newInstance(Types.java:113)
at com.google.api.client.util.Data.createNullInstance(Data.java:166)
at com.google.api.client.util.Data.nullOf(Data.java:134)
at com.google.api.services.drive.model.File.<clinit>(File.java:69)
at java.lang.Class.newInstance(Class.java)
at com.google.api.client.util.Types.newInstance(Types.java:113)
at com.google.api.client.util.Data.newMapInstance(Data.java:550)
at com.google.api.client.json.JsonParser.parseValue(JsonParser.java:766)
at com.google.api.client.json.JsonParser.parse(JsonParser.java:360)
at com.google.api.client.json.JsonParser.parse(JsonParser.java:335)
at com.google.api.client.json.JsonObjectParser.parseAndClose(JsonObjectParser.java:79)
at com.google.api.client.json.JsonObjectParser.parseAndClose(JsonObjectParser.java:73)
at com.google.api.client.http.HttpResponse.parseAs(HttpResponse.java:460)
at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.execute(AbstractGoogleClientRequest.java:603)
at org.totschnig.drive.sync.DriveServiceHelper.getFile(DriveServiceHelper.java:143)
at org.totschnig.drive.sync.GoogleDriveBackendProvider.requireBaseFolder(GoogleDriveBackendProvider.kt:403)
at org.totschnig.drive.sync.GoogleDriveBackendProvider.<init>(GoogleDriveBackendProvider.kt:420)
at org.totschnig.drive.sync.GoogleDriveBackendProviderFactory.fromAccount(GoogleDriveBackendProviderFactory.kt:19)
at org.totschnig.drive.sync.GoogleDriveBackendProviderFactory.fromAccount(GoogleDriveBackendProviderFactory.kt:12)
at org.totschnig.myexpenses.sync.SyncBackendProviderFactory.from-0E7RQCE(SyncBackendProviderFactory.kt:18)
at org.totschnig.myexpenses.sync.SyncBackendProviderFactory.access$from-0E7RQCE(SyncBackendProviderFactory.kt:12)
at org.totschnig.myexpenses.sync.SyncBackendProviderFactory$Companion.get-0E7RQCE(SyncBackendProviderFactory.kt:41)
at org.totschnig.myexpenses.sync.SyncAdapter.onPerformSync(SyncAdapter.kt:123)
at android.content.AbstractThreadedSyncAdapter$SyncThread.run(AbstractThreadedSyncAdapter.java:354)
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