New to android, trouble and see why this layout will complain!

tabhost layout

xml code:

 
xmlns: tools = "http://schemas.android.com/tools" 
android: layout_width = "match_parent" 
android: layout_height = "match_parent" 
android: paddingBottom = "@ dimen / activity_vertical_margin" 
android: paddingLeft = "@ dimen / activity_horizontal_margin" 
android: paddingRight = "@ dimen / activity_horizontal_margin" 
android: paddingTop = "@ dimen / activity_vertical_margin" 
tools: context = ". MainActivity"> 
android: layout_width = "wrap_content" 
android: layout_height = "wrap_content"> 
android: orientation = "vertical" 
android: layout_width = "fill_parent" 
android: layout_height = "fill_parent"> 
android: layout_width = "fill_parent" 
android: layout_height = "wrap_content"> 
 
android: id = "@ android: id / tabcontent" 
android: layout_width = "wrap_content" 
android: layout_height = "wrap_content"> 
<-! Fetched page -> 
android: layout_height = "fill_parent" 
android: orientation = "vertical"> 
android: layout_height = "wrap_content" 
android: orientation = "horizontal"> 
android: layout_width = "wrap_content" 
android: layout_height = "wrap_content" /> 
android: layout_height = "wrap_content" 
android: id = "@ + id / txtIncomeTime" 
android: inputType = "number" 
/> 

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Reply:
Your check is not demin or string is not defined. Other nothing wrong.
Reply:
How good you are given an error message? So long
Reply:
[Img = http://img.bbs.csdn.net/upload/201310/16/1381890340_113038.jpg]
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reference to the second floor Lvmodel reply:

error message gives you much good? So long

Reply:

reference to the second floor Lvmodel reply:

error message gives you much good? So long

Exception raised during rendering: Could not create tab content because could not find view with id -1, that is probably useless tab right, but I checked a long time did not find ah
Reply:

cited a floor tantahe reply:

your check is not demin or string is not defined. Other nothing wrong.

Is not the way
Reply:
I tried to run ah
Reply:
Turn off the simulator, restart under

Reply:
Do not need to be replaced tabhost outermost relativelayout
Reply:
The landlord, tried to beat out your code does not have a problem, try to reopen the program to turn off the tool.
Reply:
Layout errors will eclipse the current row has prompted it, then find the code carefully examined under near