程序意外退出怎么回事啊

我今天刚刚学的android
自己在手机上测试的一个小程序
用的是华为C8650
里面没什么代码，一句hello World 和一张背景图片
这是logcat报的退出代码
04-27 15:21:55.470: ERROR/ActivityManager(145): ANR in com.foot (com.foot/.HelloActivity)
04-27 15:21:55.470: ERROR/ActivityManager(145): Reason: keyDispatchingTimedOut
04-27 15:21:55.470: ERROR/ActivityManager(145): Load: 9.77 / 10.76 / 10.2
04-27 15:21:55.470: ERROR/ActivityManager(145): CPU usage from 6358ms to 0ms ago:
04-27 15:21:55.470: ERROR/ActivityManager(145):   4.8% 145/system_server: 3.9% user + 0.9% kernel / faults: 105 minor
04-27 15:21:55.470: ERROR/ActivityManager(145):   2.5% 256/com.android.phone: 2% user + 0.4% kernel / faults: 12 minor
04-27 15:21:55.470: ERROR/ActivityManager(145):   1.2% 2057/com.android.cpwservice: 0.6% user + 0.6% kernel / faults: 12 minor
04-27 15:21:55.470: ERROR/ActivityManager(145):   0.3% 71/aps_wq: 0% user + 0.3% kernel
04-27 15:21:55.470: ERROR/ActivityManager(145):   0.3% 87/rild: 0.1% user + 0.1% kernel
04-27 15:21:55.470: ERROR/ActivityManager(145):   0.3% 106/adbd: 0.1% user + 0.1% kernel
04-27 15:21:55.470: ERROR/ActivityManager(145):   0% 18/rpcrotuer_smd_x: 0% user + 0% kernel
04-27 15:21:55.470: ERROR/ActivityManager(145):   0% 99/cplusw: 0% user + 0% kernel
04-27 15:21:55.470: ERROR/ActivityManager(145):   0% 100/port-bridge: 0% user + 0% kernel
04-27 15:21:55.470: ERROR/ActivityManager(145):   0.1% 232/com.android.systemui: 0.1% user + 0% kernel
04-27 15:21:55.470: ERROR/ActivityManager(145):   0% 245/com.huawei.inputmethod.hwpal: 0% user + 0% kernel
04-27 15:21:55.470: ERROR/ActivityManager(145):   0% 1388/com.tencent.qqmusic: 0% user + 0% kernel
04-27 15:21:55.470: ERROR/ActivityManager(145):   0% 2804/logcat: 0% user + 0% kernel
04-27 15:21:55.470: ERROR/ActivityManager(145): 9.5% TOTAL: 6.7% user + 2.8% kernel
04-27 15:21:55.470: ERROR/ActivityManager(145): CPU usage from 686ms to 1219ms later:
04-27 15:21:55.470: ERROR/ActivityManager(145):   9% 145/system_server: 0% user + 9% kernel
04-27 15:21:55.470: ERROR/ActivityManager(145):     9% 209/InputDispatcher: 3.6% user + 5.4% kernel
04-27 15:21:55.470: ERROR/ActivityManager(145):   0.9% 106/adbd: 0% user + 0.9% kernel
04-27 15:21:55.470: ERROR/ActivityManager(145):   0.9% 256/com.android.phone: 0% user + 0.9% kernel / faults: 1 minor
04-27 15:21:55.470: ERROR/ActivityManager(145): 7.5% TOTAL: 3.7% user + 3.7% kernel