我已经建立了一个应用程序的代码是正确的。不过我越来越Android工作室IndexOutOfBoundsException错误
java.lang.IndexOutOfBoundsException的错误:无效指数7,大小为7
每当我运行的应用程序。不知道有什么问题
我检查了很多解决方案没有帮助我。
我的代码是
public class Lecture extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_lecture);
List<List<String>> arrayOfListsA= new ArrayList<List<String>>();
SharedPreferences sharedPreferences=getSharedPreferences("MyData",MODE_PRIVATE);
String username=sharedPreferences.getString("username","NA");
String password=sharedPreferences.getString("password","NA");
TextView av=(TextView)findViewById(R.id.tvavg);
double sub=0,subt=0,prd=0,sec=0,btch=0,day=0,date=0;
try {
arrayOfListsA = new HttpGetLecture().execute(username,password).get();
List<String> subject = new ArrayList<String>();
List<String> subjecttype = new ArrayList<String>();
List<String> period = new ArrayList<String>();
List<String> section = new ArrayList<String>();
List<String> batch = new ArrayList<String>();
List<String> day1 = new ArrayList<String>();
List<String> date1 = new ArrayList<String>();
GridView gridView=(GridView) findViewById(R.id.gridLect1);
subject = arrayOfListsA.get(1);
subjecttype = arrayOfListsA.get(2);
day1= arrayOfListsA.get(3);
period= arrayOfListsA.get(4);
date1= arrayOfListsA.get(5);
section= arrayOfListsA.get(6);
batch= arrayOfListsA.get(7);
/*for(int i=0;i<subject.size();i++) {
sub = sub + parseInt(subject.get(i));
} */
/* for(int j=0;j<subjecttype.size();j++){
subt=subt+ parseInt(subjecttype.get(j));
}
for(int k=0;k<period.size();k++){
prd=prd+ parseInt(period.get(k));
}
for(int l=0;l<section.size();l++){
sec=sec+ parseInt(section.get(l));
}
for(int m=0;m<batch.size();m++){
btch=btch+ parseInt(batch.get(m));
}
*/
//avg= (out/per) * 100;
//av.setText("Average Attendance :- "+ String.valueOf(avg)+" %");
gridView.setAdapter(new CustomAdapterLecture(this,subject,subjecttype,period,section,batch,day1,date1));
} catch (InterruptedException e) {
e.printStackTrace();
e.getMessage();
} catch (ExecutionException e) {
e.printStackTrace();
}
}
}
大小开始7表示有效索引,从0-6 –
哪一部分错误不清?您正尝试访问超越边界。你是否调试过并检查了你进入arrayOfListsA的内容,看看发生了什么?或者你只是从1开始而不是从0开始索引? –