多次执行 Webview.clearView() 后执行 WebView.loadurl() 会导致崩溃。安卓 4.0.3。这是 logcat 输出：
Build fingerprint: 'Lenovo/P700i/P700i:4.0.4/IMM76D/P700i_S105_120709:user/release-keys'
pid: 4262, tid: 4284 >>> com.baidu.searchbox_lenovo <<<
signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 006c0069
r0 01f70298 r1 00000000 r2 01d31860 r3 006c0069
r4 01d31860 r5 015c6b48 r6 00000007 r7 4bfb1e0c
r8 5197fc08 r9 4bfb1e04 10 4bfb1dec fp 5197fc1c
ip 508cdf1d sp 5197fc00 lr 508cdf2b pc 509ecf0c cpsr 80003430
#00 pc 003aff0c /system/lib/libwebcore.so (_ZNK5Layer8getChildEi)
#01 pc 00290f26 /system/lib/libwebcore.so
#02 pc 0001ed70 /system/lib/libdvm.so (dvmPlatformInvoke)
#03 pc 00059924 /system/lib/libdvm.so (_Z16dvmCallJNIMethodPKjP6JValuePK6MethodP6Thread)
#04 pc 00030bcc /system/lib/libdvm.so
#05 pc 000344d4 /system/lib/libdvm.so (_Z12dvmInterpretP6ThreadPK6MethodP6JValue)
#06 pc 0006d710 /system/lib/libdvm.so (_Z14dvmCallMethodVP6ThreadPK6MethodP6ObjectbP6JValueSt9__va_list)
#07 pc 0006d734 /system/lib/libdvm.so (_Z13dvmCallMethodP6ThreadPK6MethodP6ObjectP6JValuez)
#08 pc 00060612 /system/lib/libdvm.so
#09 pc 000132dc /system/lib/libc.so (__thread_entry)
code around pc:
509eceec 47a868e1 f57a69a0 4620ec96 bf00bd7c .h.G.iz... F|...
509ecefc 0036b3ce 3088f8d0 bf3a4299 3080f8d0 ..6....0.B:....0
509ecf0c 0021f853 47702000 e005b911 d0034288 S.!.. pG.....B..
509ecf1c 280068c0 e000d1fa 47702001 41f0e92d .h.(..... pG-..A
509ecf2c f8c54605 460e10a0 f5d12400 4607fd43 .F.....F.$..C..F
code around lr:
508cdf08 b9084603 e0042001 f8d34620 f6a311a4 .F... .. F......
508cdf18 bd10fa0b 4614b510 2100b14b f11e4618 .......FK..!.F..
508cdf28 4601ffeb 4620b118 ffe2f7ff 2001e000 ...F.. F.......
508cdf38 bf00bd10 4ff0e92d 6d464607 460cb0a7 ....-..O.FFm...F
508cdf48 0b90f10d 0a88f10d 52f4f8d6 f6f74628 ...........R(F..
memory map around addr 006c0069:
0000a000-0000b000 /system/bin/app_process
(no map for address)
0134c000-016eb000 [heap]
stack:
5197fbc0 5197fc1c
5197fbc4 4009baa8 /system/lib/libc.so
5197fbc8 4c0206a8 /dev/ashmem/dalvik-LinearAlloc (deleted)
5197fbcc 015c6b48 [heap]
5197fbd0 00000003
5197fbd4 4bfb1f00
5197fbd8 5197fc08
5197fbdc 4009b9d8 /system/lib/libc.so
5197fbe0 5197fbe8
5197fbe4 4013bd6b /system/lib/libutils.so
5197fbe8 000992e7
5197fbec 00000000
5197fbf0 41b62b80 /dev/ashmem/dalvik-heap (deleted)
5197fbf4 41b62b80 /dev/ashmem/dalvik-heap (deleted)
5197fbf8 df0027ad
5197fbfc 00000000
#01 5197fc00 4c1d2838 /dev/ashmem/dalvik-LinearAlloc (deleted)
5197fc04 40a5dd74 /system/lib/libdvm.so