Android keyDispatchingTimedOut问题

Question

在我的 android 应用程序中，我正在实现 map 功能。当我通过标签将一个 Activity 跳到另一个 Activity 时，它有一个标签栏，它工作得很好。但是当我进入 map Activity 并尝试通过“设备后退键”从它移动时，整个应用程序卡住，几秒钟后我看到可怕的强制关闭对话框出现，我得到了错误。

11-11 10:53:26.083: ERROR/ActivityManager(85): ANR in com.project.activity 
(com.project.activity/.MapActivity)
11-11 10:53:26.083: ERROR/ActivityManager(85): Reason: keyDispatchingTimedOut
11-11 10:53:26.083: ERROR/ActivityManager(85): Load: 2.64 / 1.75 / 1.64
11-11 10:53:26.083: ERROR/ActivityManager(85): CPU usage from 8749ms to 209ms ago:
11-11 10:53:26.083: ERROR/ActivityManager(85):   dianic.activity: 18% = 16% user + 1%  kernel / faults: 1938 minor
11-11 10:53:26.083: ERROR/ActivityManager(85):   mediaserver: 14% = 14% user + 0% kernel
11-11 10:53:26.083: ERROR/ActivityManager(85):   system_server: 4% = 2% user + 1% kernel / faults: 167 minor
11-11 10:53:26.083: ERROR/ActivityManager(85):   dhd_dpc: 1% = 0% user + 1% kernel
11-11 10:53:26.083: ERROR/ActivityManager(85):   android.vending: 0% = 0% user + 0% kernel / faults: 57 minor
11-11 10:53:26.083: ERROR/ActivityManager(85):   synaptics_wq: 0% = 0% user + 0% kernel
11-11 10:53:26.083: ERROR/ActivityManager(85):   e.process.gapps: 0% = 0% user + 0% kernel / faults: 3 minor
11-11 10:53:26.083: ERROR/ActivityManager(85):   wpa_supplicant: 0% = 0% user + 0% kernel
11-11 10:53:26.083: ERROR/ActivityManager(85):   logcat: 0% = 0% user + 0% kernel
11-11 10:53:26.083: ERROR/ActivityManager(85): TOTAL: 41% = 36% user + 5% kernel + 0% softirq

请指导我为什么会这样..提前致谢

Answer 1

当代码遇到窗口泄漏类型的问题或当我们尝试对同一 Activity 执行许多操作时，就会出现这种类型的问题......