R.java error. dont know where is came from. dont know how to fix it
android, r.java-file
Solution
You have an id somewhere defined as `@+id/1`. `1` does not make for a valid Java identifier, hence the error. For that same reason, one cannot create ids or resources which name starts with a number, or contains spaces, or matches a reserved keyword.
Problem
I am creating an android application and when changing some of the code and going to run it i got told that there was an error in the application's R.Java file. i do no know where this error came from and i do not seem to be able to modify it. the code inside the R.Java is ``` public final class R { public static final class array { public static final int races_array=0x7f040000; } public static final class attr { } public static final class drawable { public static final int icon=0x7f020000; public static final int logo=0x7f020001; } public static final class id { public static final int 1=0x7f060007;//this line has the error public static final int BMI=0x7f06001f; public static final int Cdate=0x7f060005; public static final int Current=0x7f060006; public static final int Days=0x7f06001e; public static final int activity=0x7f06001b; public static final int advice=0x7f060004; public static final int cals=0x7f060022; public static final int cheight=0x7f060013; public static final int choice=0x7f060019; public static final int code=0x7f06001d; public static final int cweight=0x7f06000a; public static final int date=0x7f060020; public static final int dateDisplay=0x7f060008; public static final int details=0x7f06001c; public static final int eheight=0x7f060011; public static final int eweight=0x7f060012; public static final int get=0x7f06000d; public static final int goal=0x7f060025; public static final int group=0x7f060023; public static final int newheight=0x7f060017; public static final int newweight=0x7f060016; public static final int nweight=0x7f06000c; public static final int out=0x7f06000e; public static final int out_text=0x7f060002; public static final int pass=0x7f060018; public static final int pickDate=0x7f060009; public static final int progress=0x7f06001a; public static final int start=0x7f060003; public static final int step=0x7f060001; public static final int steps=0x7f060021; public static final int t1=0x7f06000f; public static final int t2=0x7f060010; public static final int textView1=0x7f06000b; public static final int textView2=0x7f060024; public static final int textView3=0x7f060014; public static final int textView4=0x7f060015; public static final int tv=0x7f060000; } public static final class layout { public static final int activity=0x7f030000; public static final int advice=0x7f030001; public static final int choice=0x7f030002; public static final int convert=0x7f030003; public static final int main=0x7f030004; public static final int notes_row=0x7f030005; public static final int progress=0x7f030006; public static final int splash=0x7f030007; } public static final class string { public static final int app_name=0x7f050001; public static final int hello=0x7f050000; public static final int race_elf=0x7f050003; public static final int race_goblin=0x7f050007; public static final int race_halfling=0x7f050006; public static final int race_human=0x7f050005; public static final int race_orc=0x7f050002; public static final int race_troll=0x7f050004; } } ``` i do not know if this helps anyone but i just want to know what created this error and how can I fix it.