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我在某些 Android 设备上遇到以下问题（我现在可以在 Galaxy Note II 和 Galaxy S4 上重现它）： WebView 无法加载页面。没有错误或 onReceivedError 调用，但也没有触发 onPageFinished。我实现了进度回调以查看页面是否正在加载。以下保留在日志中：

11-11 17:15:23.380 D/WebView (14099): loadUrlImpl: called
11-11 17:15:23.395 V/webkit  (14099): BrowserFrame constructor: this=Handler (android.webkit.BrowserFrame) {424c9b48}
11-11 17:15:23.420 D/webcore (14099):  CORE loadUrl: called
11-11 17:15:23.420 E/SQLiteLog(14099): (1) no such table: CacheGroups
11-11 17:15:23.425 D/WebKit  (14099): ERROR:
11-11 17:15:23.425 D/WebKit  (14099): Application Cache Storage: failed to execute statement "DELETE FROM CacheGroups" error "no such table: CacheGroups"
11-11 17:15:23.425 D/WebKit  (14099):
11-11 17:15:23.425 D/WebKit  (14099): external/webkit/Source/WebCore/loader/appcache/ApplicationCacheStorage.cpp(558) : bool WebCore::ApplicationCacheStorage::executeSQLCommand(const WTF::String&)
11-11 17:15:23.425 E/SQLiteLog(14099): (1) no such table: Caches
11-11 17:15:23.425 D/WebKit  (14099): ERROR:
11-11 17:15:23.425 D/WebKit  (14099): Application Cache Storage: failed to execute statement "DELETE FROM Caches" error "no such table: Caches"
11-11 17:15:23.425 D/WebKit  (14099):
11-11 17:15:23.425 D/WebKit  (14099): external/webkit/Source/WebCore/loader/appcache/ApplicationCacheStorage.cpp(558) : bool WebCore::ApplicationCacheStorage::executeSQLCommand(const WTF::String&)
11-11 17:15:23.425 E/SQLiteLog(14099): (1) no such table: Origins
11-11 17:15:23.425 D/WebKit  (14099): ERROR:
11-11 17:15:23.425 D/WebKit  (14099): Application Cache Storage: failed to execute statement "DELETE FROM Origins" error "no such table: Origins"
11-11 17:15:23.425 D/WebKit  (14099):
11-11 17:15:23.425 D/WebKit  (14099): external/webkit/Source/WebCore/loader/appcache/ApplicationCacheStorage.cpp(558) : bool WebCore::ApplicationCacheStorage::executeSQLCommand(const WTF::String&)
11-11 17:15:23.425 E/SQLiteLog(14099): (1) no such table: DeletedCacheResources
11-11 17:15:23.505 E/de.my.app.webview.MyWebChromeClient(14099): Progress: 10
11-11 17:15:24.205 E/de.my.app.webview.MyWebChromeClient(14099): Progress: 30
11-11 17:15:24.210 E/de.my.app.webview.MyWebChromeClient(14099): Progress: 49
11-11 17:15:24.985 E/de.my.app.webview.MyWebChromeClient(14099): Progress: 68
11-11 17:15:28.035 D/dalvikvm(14099): GC_CONCURRENT freed 1905K, 6% free 53808K/56967K, paused 13ms+17ms, total 69ms
11-11 17:15:28.085 D/webviewglue(14099): nativeDestroy view: 0x62e7e6a8
11-11 17:15:28.535 I/GATE    (14099): <GATE-M>DEV_ACTION_COMPLETED</GATE-M>

它在其他测试设备上运行良好。有人可以解释我做错了什么吗？

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1 回答 1

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原因是，我有一个 WebView 预加载器，如果它完成加载并发送回调消息，它会显示 WebView。WebView 本身没有分配给变量，并且在某些设备上被垃圾收集器删除。

于 2013-11-14T18:10:04.370 回答