您好，我正在开发一个应用程序，我在其中获取使用 XML 格式的 base64 编码的 png 图像。在 android 2.2 模拟器和设备图像正在显示，但是当我在 android 4.1 模拟器上尝试时应用程序崩溃并显示这些登录位置
01-22 11:05:03.104: W/dalvikvm(723): JNI WARNING: JNI method called with exception pending
01-22 11:05:03.114: W/dalvikvm(723): in Landroid/webkit/JWebCoreJavaBridge;.nativeServiceFuncPtrQueue:()V (FindClass)
01-22 11:05:03.114: W/dalvikvm(723): Pending exception is:
01-22 11:05:03.114: I/dalvikvm(723): java.lang.NullPointerException:
01-22 11:05:03.114: I/dalvikvm(723): at android.content.res.AssetManager.openAsset(Native Method)
01-22 11:05:03.124: I/dalvikvm(723): at android.content.res.AssetManager.open(AssetManager.java:315)
01-22 11:05:03.124: I/dalvikvm(723): at android.webkit.BrowserFrame.inputStreamForAndroidResource(BrowserFrame.java:743)
01-22 11:05:03.124: I/dalvikvm(723): at android.webkit.BrowserFrame.shouldInterceptRequest(BrowserFrame.java:831)
01-22 11:05:03.124: I/dalvikvm(723): at android.webkit.JWebCoreJavaBridge.nativeServiceFuncPtrQueue(Native Method)
01-22 11:05:03.124: I/dalvikvm(723): at android.webkit.JWebCoreJavaBridge.handleMessage(JWebCoreJavaBridge.java:113)
01-22 11:05:03.124: I/dalvikvm(723): at android.os.Handler.dispatchMessage(Handler.java:99)
01-22 11:05:03.124: I/dalvikvm(723): at android.os.Looper.loop(Looper.java:137)
01-22 11:05:03.184: I/dalvikvm(723): at android.webkit.WebViewCore$WebCoreThread.run(WebViewCore.java:827)
01-22 11:05:03.184: I/dalvikvm(723): at java.lang.Thread.run(Thread.java:856)
01-22 11:05:03.184: I/dalvikvm(723): "WebViewCoreThread" prio=5 tid=11 NATIVE
01-22 11:05:03.184: I/dalvikvm(723): | group="main" sCount=0 dsCount=0 obj=0x411f4768 self=0x2a1331d0
01-22 11:05:03.184: I/dalvikvm(723): | sysTid=736 nice=0 sched=0/0 cgrp=apps handle=705675736
01-22 11:05:03.184: I/dalvikvm(723): | schedstat=( 23820080331 8061777219 3043 ) utm=2200 stm=182 core=0
01-22 11:05:03.276: I/dalvikvm(723): #00 pc 00001260 /system/lib/libcorkscrew.so (unwind_backtrace_thread+27)
01-22 11:05:03.284: I/dalvikvm(723): #01 pc 0005f664 /system/lib/libdvm.so (dvmDumpNativeStack(DebugOutputTarget const*, int)+35)
01-22 11:05:03.284: I/dalvikvm(723): #02 pc 00053518 /system/lib/libdvm.so (dvmDumpThreadEx(DebugOutputTarget const*, Thread*, bool)+303)
01-22 11:05:03.284: I/dalvikvm(723): #03 pc 000535b2 /system/lib/libdvm.so ( dvmDumpThread(Thread*, bool)+25)
01-22 11:05:03.284: I/dalvikvm(723): #04 pc 00038cfa /system/lib/libdvm.so
01-22 11:05:03.284: I/dalvikvm(723): #05 pc 000419d4 /system/lib/libdvm.so
01-22 11:05:03.284: I/dalvikvm(723): #06 pc 0037edc8 /system/lib/libwebcore.so
01-22 11:05:03.284: I/dalvikvm(723): #07 pc 002392be /system/lib/libwebcore.so
01-22 11:05:03.284: I/dalvikvm(723): #08 pc 0023342c /system/lib/libwebcore.so
01-22 11:05:03.284: I/dalvikvm(723): #09 pc 00231e42 /system/lib/libwebcore.so
01-22 11:05:03.284: I/dalvikvm(723): #10 pc 00231e8a /system/lib/libwebcore.so
01-22 11:05:03.284: I/dalvikvm(723): #11 pc 00231eb6 /system/lib/libwebcore.so
01-22 11:05:03.284: I/dalvikvm(723): #12 pc 00231118 /system/lib/libwebcore.so
01-22 11:05:03.284: I/dalvikvm(723): #13 pc 0017fee6 /system/lib/libwebcore.so
01-22 11:05:03.296: I/dalvikvm(723): #14 pc 0017e6c4 /system/lib/libwebcore.so
01-22 11:05:03.296: I/dalvikvm(723): #15 pc 001418aa /system/lib/libwebcore.so
01-22 11:05:03.296: I/dalvikvm(723): #16 pc 00140d64 /system/lib/libwebcore.so
01-22 11:05:03.296: I/dalvikvm(723): #17 pc 00140f82 /system/lib/libwebcor e.so
01-22 11:05:03.296: I/dalvikvm(723): #18 pc 00135b0e /system/lib/libwebcore.so
01-22 11:05:03.296: I/dalvikvm(723): #19 pc 00134a04 /system/lib/libwebcore.so
01-22 11:05:03.296: I/dalvikvm(723): #20 pc 00132296 /system/lib/libwebcore.so
01-22 11:05:03.296: I/dalvikvm(723): #21 pc 0013190c /system/lib/libwebcore.so
01-22 11:05:03.296: I/dalvikvm(723): #22 pc 00134780 /system/lib/libwebcore.so
01-22 11:05:03.296: I/dalvikvm(723): #23 pc 0013503a /system/lib/libwebcore.so
01-22 11:05:03.296: I/dalvikvm(723): #24 pc 001354b4 /system/lib/libwebcore.so
01-22 11:05:03.296: I/dalvikvm(723): #25 pc 0013dbfe /system/lib/libwebcore.so
01-22 11:05:03.296: I/dalvikvm(723): #26 pc 0011dc68 /system/lib/libwebcore.so
01-22 11:05:03.296: I/dalvikvm(723): #27 pc 002eb6da /system/lib/libwebcore.so
01-22 11:05:03.296: I/dalvikvm(723): #28 pc 002e0d1e /system/lib/libwebcore.so
01-22 11:05:03.296: I/dalvikvm(723): #29 pc 003b5f4e /system/lib/libwebcore.so
01-22 11:05:03.296: I/dalvikvm(723): #30 pc 003b644a /system/lib/libwebcore.so
01-22 11:05:03.296: I/dalvikvm(723): #31 pc 0031f8dc /system/lib/libwebcore.so
01-22 11:05:03.296: I/dalvikvm(723): at android.webkit.JWebCoreJavaBridge.nativeServiceFuncPtrQueue(Native Method)
01-22 11:05:03.296: I/dalvikvm(723): at android.webkit.JWebCoreJavaBridge.handleMessage(JWebCoreJavaBridge.java:113)
01-22 11:05:03.296: I/dalvikvm(723): at android.os.Handler.dispatchMessage(Handler.java:99)
01-22 11:05:03.296: I/dalvikvm(723): at android.os.Looper.loop(Looper.java:137)
01-22 11:05:03.296: I/dalvikvm(723): at android.webkit.WebViewCore$WebCoreThread.run(WebViewCore.java:827)
01-22 11:05:03.296: I/dalvikvm(723): at java.lang.Thread.run(Thread.java:856)
01-22 11:05:03.304: E/dalvikvm(723): VM aborting
01-22 11:05:03.325: A/libc(723): Fatal signal 11 (SIGSEGV) at 0xdeadd00d (code=1), thread 736 (WebViewCoreThre)
如果有人知道这个错误，请帮助我。