WARN/SurfaceComposerClient(5178): lock_layer timed out (is the CPU pegged?) layer=2, lcblk=0x42494120, state=00000002 (was 00000012)
03-31 11:46:00.456: 
WARN/SurfaceComposerClient(5178): lock_layer() timed out but didn't appear to need to be locked and we recovered (layer=2, lcblk=0x42494120, state=00000011)
我是继承了Toast的.然后调用会有这些