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我有一个有ListView的活动。当我想从另一个线程访问这个ListView时，我得到这个错误..如何从另一个线程访问UI对象？
我该怎么做？
错误日志：
09-10 18:48:48.502: ERROR/ClientActivity(455): android.view.ViewRoot$CalledFromWrongThreadException: Only the original thread that created a view hierarchy can touch its views.
09-10 18:48:48.502: ERROR/ClientActivity(455): at android.view.ViewRoot.checkThread(ViewRoot.java:2932)
09-10 18:48:48.502: ERROR/ClientActivity(455): at android.view.ViewRoot.focusableViewAvailable(ViewRoot.java:1712)
09-10 18:48:48.502: ERROR/ClientActivity(455): at android.view.ViewGroup.focusableViewAvailable(ViewGroup.java:452)
09-10 18:48:48.502: ERROR/ClientActivity(455): at android.view.ViewGroup.focusableViewAvailable(ViewGroup.java:452)
09-10 18:48:48.502: ERROR/ClientActivity(455): at android.view.ViewGroup.focusableViewAvailable(ViewGroup.java:452)
09-10 18:48:48.502: ERROR/ClientActivity(455): at android.view.ViewGroup.focusableViewAvailable(ViewGroup.java:452)
09-10 18:48:48.502: ERROR/ClientActivity(455): at android.view.View.setFlags(View.java:4614)
09-10 18:48:48.502: ERROR/ClientActivity(455): at android.view.View.setFocusableInTouchMode(View.java:3190)
09-10 18:48:48.502: ERROR/ClientActivity(455): at android.widget.AdapterView.checkFocus(AdapterView.java:694)
09-10 18:48:48.502: ERROR/ClientActivity(455): at android.widget.AdapterView$AdapterDataSetObserver.onChanged(AdapterView.java:789)
09-10 18:48:48.502: ERROR/ClientActivity(455): at android.database.DataSetObservable.notifyChanged(DataSetObservable.java:31)
09-10 18:48:48.502: ERROR/ClientActivity(455): at android.widget.BaseAdapter.notifyDataSetChanged(BaseAdapter.java:50)
09-10 18:48:48.502: ERROR/ClientActivity(455): at android.widget.ArrayAdapter.notifyDataSetChanged(ArrayAdapter.java:247)
09-10 18:48:48.502: ERROR/ClientActivity(455): at socket.android.ClientActivity$ClientThread.run(ClientActivity.java:100)
09-10 18:48:48.502: ERROR/ClientActivity(455): at java.lang.Thread.run(Thread.java:1019)