我不小心删除了SDK Mngr中的Android支持库文件夹，因此我可以重新安装它，以启用操作栏。不幸的是，即使在尝试重新安装Android支持库之后，我所做的事情也在我当前的项目中带来了很多错误，但情况仍然如此。这是问题日志/列表输出..
Description Resource Path Location Type
Activity cannot be resolved to a type SplashScreenActivity.java /PickMe/src/com/nanoxcorp/pickme line 4 Java Problem
Handler cannot be resolved to a type SplashScreenActivity.java /PickMe/src/com/nanoxcorp/pickme line 12 Java Problem
Intent cannot be resolved to a type SplashScreenActivity.java /PickMe/src/com/nanoxcorp/pickme line 16 Java Problem
Bundle cannot be resolved to a type SplashScreenActivity.java /PickMe/src/com/nanoxcorp/pickme line 8 Java Problem
R cannot be resolved to a variable SplashScreenActivity.java /PickMe/src/com/nanoxcorp/pickme line 10 Java Problem
Intent cannot be resolved to a type SplashScreenActivity.java /PickMe/src/com/nanoxcorp/pickme line 16 Java Problem
The method finish() is undefined for the type SplashScreenActivity SplashScreenActivity.java /PickMe/src/com/nanoxcorp/pickme line 20 Java Problem
The method getMenuInflater() is undefined for the type RestaurantPickUpActivity RestaurantPickUpActivity.java /PickMe/src/com/nanoxcorp/pickme line 17 Java Problem
R cannot be resolved to a variable RestaurantPickUpActivity.java /PickMe/src/com/nanoxcorp/pickme line 17 Java Problem
Activity cannot be resolved to a type RestaurantPickUpActivity.java /PickMe/src/com/nanoxcorp/pickme line 6 Java Problem
Bundle cannot be resolved to a type RestaurantPickUpActivity.java /PickMe/src/com/nanoxcorp/pickme line 9 Java Problem
R cannot be resolved to a variable RestaurantPickUpActivity.java /PickMe/src/com/nanoxcorp/pickme line 11 Java Problem
The method onCreateOptionsMenu(Menu) of type RestaurantPickUpActivity must override or implement a supertype method RestaurantPickUpActivity.java /PickMe/src/com/nanoxcorp/pickme line 15 Java Problem
The method getMenuInflater() is undefined for the type HitchARideActivity HitchARideActivity.java /PickMe/src/com/nanoxcorp/pickme line 17 Java Problem
The method onCreateOptionsMenu(Menu) of type HitchARideActivity must override or implement a supertype method HitchARideActivity.java /PickMe/src/com/nanoxcorp/pickme line 15 Java Problem
R cannot be resolved to a variable HitchARideActivity.java /PickMe/src/com/nanoxcorp/pickme line 17 Java Problem
Activity cannot be resolved to a type HitchARideActivity.java /PickMe/src/com/nanoxcorp/pickme line 6 Java Problem
R cannot be resolved to a variable HitchARideActivity.java /PickMe/src/com/nanoxcorp/pickme line 11 Java Problem
Bundle cannot be resolved to a type HitchARideActivity.java /PickMe/src/com/nanoxcorp/pickme line 9 Java Problem
R cannot be resolved to a variable ForgotPassActivity.java /PickMe/src/com/nanoxcorp/pickme line 31 Java Problem
The method onCreateOptionsMenu(Menu) of type ForgotPassActivity must override or implement a supertype method ForgotPassActivity.java /PickMe/src/com/nanoxcorp/pickme line 29 Java Problem
The method getMenuInflater() is undefined for the type ForgotPassActivity ForgotPassActivity.java /PickMe/src/com/nanoxcorp/pickme line 31 Java Problem
The method setImageResource(int) is undefined for the type ImageView HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 114 Java Problem
R cannot be resolved to a variable ForgotPassActivity.java /PickMe/src/com/nanoxcorp/pickme line 16 Java Problem
View.OnClickListener cannot be resolved to a type ForgotPassActivity.java /PickMe/src/com/nanoxcorp/pickme line 17 Java Problem
Bundle cannot be resolved to a type ForgotPassActivity.java /PickMe/src/com/nanoxcorp/pickme line 12 Java Problem
R cannot be resolved to a variable ForgotPassActivity.java /PickMe/src/com/nanoxcorp/pickme line 14 Java Problem
Activity cannot be resolved to a type ForgotPassActivity.java /PickMe/src/com/nanoxcorp/pickme line 9 Java Problem
Intent cannot be resolved to a type HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 72 Java Problem
Intent cannot be resolved to a type HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 75 Java Problem
Intent cannot be resolved to a type HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 66 Java Problem
Intent cannot be resolved to a type HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 69 Java Problem
AdapterView cannot be resolved to a type HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 59 Java Problem
Intent cannot be resolved to a type HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 63 Java Problem
The method setOnItemClickListener(new OnItemClickListener(){}) is undefined for the type ListView HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 56 Java Problem
AdapterView cannot be resolved to a type HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 56 Java Problem
R cannot be resolved to a variable HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 44 Java Problem
R cannot be resolved to a variable HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 55 Java Problem
R cannot be resolved to a variable HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 38 Java Problem
ArrayAdapter cannot be resolved to a type HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 43 Java Problem
List cannot be resolved to a type HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 38 Java Problem
R cannot be resolved to a variable HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 38 Java Problem
R cannot be resolved to a variable HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 37 Java Problem
R cannot be resolved to a variable HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 37 Java Problem
R cannot be resolved to a variable HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 113 Java Problem
R cannot be resolved to a variable HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 110 Java Problem
TextView cannot be resolved to a type HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 110 Java Problem
TextView cannot be resolved to a type HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 110 Java Problem
R cannot be resolved to a variable HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 106 Java Problem
TextView cannot be resolved to a type HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 106 Java Problem
TextView cannot be resolved to a type HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 106 Java Problem
The method setImageResource(int) is undefined for the type ImageView HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 103 Java Problem
R cannot be resolved to a variable HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 102 Java Problem
List cannot be resolved to a type HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 99 Java Problem
R cannot be resolved to a variable HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 96 Java Problem
The method getLayoutInflater() is undefined for the type HomeActivity.MyListAdapter HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 96 Java Problem
ViewGroup cannot be resolved to a type HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 92 Java Problem
List cannot be resolved to a type HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 86 Java Problem
R cannot be resolved to a variable HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 86 Java Problem
ArrayAdapter cannot be resolved to a type HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 83 Java Problem
Bundle cannot be resolved to a type LogInActivity.java /PickMe/src/com/nanoxcorp/pickme line 12 Java Problem
Activity cannot be resolved to a type LogInActivity.java /PickMe/src/com/nanoxcorp/pickme line 9 Java Problem
TextView cannot be resolved to a type LogInActivity.java /PickMe/src/com/nanoxcorp/pickme line 16 Java Problem
R cannot be resolved to a variable LogInActivity.java /PickMe/src/com/nanoxcorp/pickme line 14 Java Problem
Activity cannot be resolved to a type HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 11 Java Problem
List cannot be resolved to a type HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 12 Java Problem
Bundle cannot be resolved to a type HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 15 Java Problem
R cannot be resolved to a variable HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 17 Java Problem
The method onCreateOptionsMenu(Menu) of type HomeActivity must override or implement a supertype method HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 27 Java Problem
View.OnClickListener cannot be resolved to a type LogInActivity.java /PickMe/src/com/nanoxcorp/pickme line 39 Java Problem
The method getMenuInflater() is undefined for the type HomeActivity HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 29 Java Problem
The method onCreateOptionsMenu(Menu) of type LogInActivity must override or implement a supertype method LogInActivity.java /PickMe/src/com/nanoxcorp/pickme line 52 Java Problem
R cannot be resolved to a variable HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 29 Java Problem
The method getMenuInflater() is undefined for the type LogInActivity LogInActivity.java /PickMe/src/com/nanoxcorp/pickme line 54 Java Problem
List cannot be resolved to a type HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 34 Java Problem
R cannot be resolved to a variable HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 34 Java Problem
R cannot be resolved to a variable LogInActivity.java /PickMe/src/com/nanoxcorp/pickme line 54 Java Problem
View.OnClickListener cannot be resolved to a type LogInActivity.java /PickMe/src/com/nanoxcorp/pickme line 27 Java Problem
R cannot be resolved to a variable HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 34 Java Problem
List cannot be resolved to a type HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 35 Java Problem
TextView cannot be resolved to a type LogInActivity.java /PickMe/src/com/nanoxcorp/pickme line 38 Java Problem
R cannot be resolved to a variable HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 35 Java Problem
TextView cannot be resolved to a type LogInActivity.java /PickMe/src/com/nanoxcorp/pickme line 38 Java Problem
R cannot be resolved to a variable HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 35 Java Problem
R cannot be resolved to a variable LogInActivity.java /PickMe/src/com/nanoxcorp/pickme line 38 Java Problem
List cannot be resolved to a type HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 36 Java Problem
TextView cannot be resolved to a type LogInActivity.java /PickMe/src/com/nanoxcorp/pickme line 16 Java Problem
R cannot be resolved to a variable HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 36 Java Problem
R cannot be resolved to a variable LogInActivity.java /PickMe/src/com/nanoxcorp/pickme line 16 Java Problem
View.OnClickListener cannot be resolved to a type LogInActivity.java /PickMe/src/com/nanoxcorp/pickme line 17 Java Problem
R cannot be resolved to a variable HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 36 Java Problem
List cannot be resolved to a type HomeActivity.java /PickMe/src/com/nanoxcorp/pickme line 37 Java Problem
R cannot be resolved to a variable LogInActivity.java /PickMe/src/com/nanoxcorp/pickme line 26 Java Problem
R cannot be resolved to a variable EventPickUpActivity.java /PickMe/src/com/nanoxcorp/pickme line 17 Java Problem
The method getMenuInflater() is undefined for the type EventPickUpActivity EventPickUpActivity.java /PickMe/src/com/nanoxcorp/pickme line 17 Java Problem
Bundle cannot be resolved to a type EventPickUpActivity.java /PickMe/src/com/nanoxcorp/pickme line 9 Java Problem
Activity cannot be resolved to a type EventPickUpActivity.java /PickMe/src/com/nanoxcorp/pickme line 6 Java Problem
The method onCreateOptionsMenu(Menu) of type EventPickUpActivity must override or implement a supertype method EventPickUpActivity.java /PickMe/src/com/nanoxcorp/pickme line 15 Java Problem
R cannot be resolved to a variable EventPickUpActivity.java /PickMe/src/com/nanoxcorp/pickme line 11 Java Problem
Bundle cannot be resolved to a type SignUpActivity.java /PickMe/src/com/nanoxcorp/pickme line 10 Java Problem
Activity cannot be resolved to a type SignUpActivity.java /PickMe/src/com/nanoxcorp/pickme line 7 Java Problem
Unable to resolve target 'android-17' until the SDK is loaded. PickMe Unknown Android Target Problem
The method onCreateOptionsMenu(Menu) of type SignUpActivity must override or implement a supertype method SignUpActivity.java /PickMe/src/com/nanoxcorp/pickme line 17 Java Problem
R cannot be resolved to a variable SignUpActivity.java /PickMe/src/com/nanoxcorp/pickme line 12 Java Problem
R cannot be resolved to a variable SignUpActivity.java /PickMe/src/com/nanoxcorp/pickme line 19 Java Problem
The method getMenuInflater() is undefined for the type SignUpActivity SignUpActivity.java /PickMe/src/com/nanoxcorp/pickme line 19 Java Problem
Activity cannot be resolved to a type CarHireActivity.java /PickMe/src/com/nanoxcorp/pickme line 6 Java Problem
Bundle cannot be resolved to a type PickMeActivity.java /PickMe/src/com/nanoxcorp/pickme line 9 Java Problem
Activity cannot be resolved to a type PickMeActivity.java /PickMe/src/com/nanoxcorp/pickme line 6 Java Problem
Bundle cannot be resolved to a type CarHireActivity.java /PickMe/src/com/nanoxcorp/pickme line 9 Java Problem
R cannot be resolved to a variable CarHireActivity.java /PickMe/src/com/nanoxcorp/pickme line 11 Java Problem
Activity cannot be resolved to a type CodeVerificationActivity.java /PickMe/src/com/nanoxcorp/pickme line 6 Java Problem
The method onCreateOptionsMenu(Menu) of type CarHireActivity must override or implement a supertype method CarHireActivity.java /PickMe/src/com/nanoxcorp/pickme line 15 Java Problem
Bundle cannot be resolved to a type CodeVerificationActivity.java /PickMe/src/com/nanoxcorp/pickme line 9 Java Problem
R cannot be resolved to a variable PickMeActivity.java /PickMe/src/com/nanoxcorp/pickme line 17 Java Problem
The method getMenuInflater() is undefined for the type CarHireActivity CarHireActivity.java /PickMe/src/com/nanoxcorp/pickme line 17 Java Problem
The method getMenuInflater() is undefined for the type PickMeActivity PickMeActivity.java /PickMe/src/com/nanoxcorp/pickme line 17 Java Problem
R cannot be resolved to a variable CarHireActivity.java /PickMe/src/com/nanoxcorp/pickme line 17 Java Problem
The method onCreateOptionsMenu(Menu) of type PickMeActivity must override or implement a supertype method PickMeActivity.java /PickMe/src/com/nanoxcorp/pickme line 15 Java Problem
R cannot be resolved to a variable PickMeActivity.java /PickMe/src/com/nanoxcorp/pickme line 11 Java Problem
The method onCreateOptionsMenu(Menu) of type CodeVerificationActivity must override or implement a supertype method CodeVerificationActivity.java /PickMe/src/com/nanoxcorp/pickme line 15 Java Problem
R cannot be resolved to a variable CodeVerificationActivity.java /PickMe/src/com/nanoxcorp/pickme line 11 Java Problem
R cannot be resolved to a variable CodeVerificationActivity.java /PickMe/src/com/nanoxcorp/pickme line 17 Java Problem
The method getMenuInflater() is undefined for the type CodeVerificationActivity CodeVerificationActivity.java /PickMe/src/com/nanoxcorp/pickme line 17 Java Problem