我的应用程序一直崩溃，我不知道错误在哪里
以下是我的代码
public class Question2 extends AppCompatActivity {
private TextView Question1, text1;
private Button ans1, ans2, ans3, ans4, ans5, ans6, next;
private ImageView iV1;
private String Right_Answer;
private int Right_Answer_Count;
private int quizCount = 1;
ArrayList<ArrayList<String>> quizArray = new ArrayList<>();
String quizData[][] = {
{"circle","12","8","6","29","57","5"},
{"pentagon","8","29","74","5","15","6"},
{"quadrilateral","6","12","3","5","57","8"},
{"triangle","29","12","8","5","15","6"},
{"decagon","57","6","12","3","29","8"},
{"hexagon","5","29","57","6","12","3"},
{"heptagon","74","12","8","5","29","57"},
{"nonagon","15","6","12","3","29","57"},
{"octagon","3","74","5","15","6","12"},
{"star","5","29","57","6","74","12"}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView(R.layout.activity_question1);
this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
text1 = findViewById(R.id.text1);
Question1 = findViewById(R.id.Question1);
iV1 = findViewById(R.id.iV1);
ans1 = findViewById(R.id.ans1);
ans2 = findViewById(R.id.ans2);
ans3 = findViewById(R.id.ans3);
ans4 = findViewById(R.id.ans4);
ans5 = findViewById(R.id.ans5);
ans6 = findViewById(R.id.ans6);
next = findViewById(R.id.next);
//Come out after 5 sec
Question1.setVisibility(View.INVISIBLE);
ans1.setVisibility(View.INVISIBLE);
ans2.setVisibility(View.INVISIBLE);
ans3.setVisibility(View.INVISIBLE);
ans4.setVisibility(View.INVISIBLE);
ans5.setVisibility(View.INVISIBLE);
ans6.setVisibility(View.INVISIBLE);
next.setVisibility(View.INVISIBLE);
//Disappear after 5 sec
text1.setVisibility(View.VISIBLE);
iV1.setVisibility(View.VISIBLE);
for (int i = 0; i < 10; i++) {
ArrayList<String> tmpArray = new ArrayList<>();
tmpArray.add(quizData[i][0]); // choice 0
tmpArray.add(quizData[i][1]); // choice 1
tmpArray.add(quizData[i][2]); // choice 2
tmpArray.add(quizData[i][3]); // choice 3
tmpArray.add(quizData[i][4]); // choice 4
tmpArray.add(quizData[i][5]); // choice 5
tmpArray.add(quizData[i][6]);
quizArray.add(tmpArray);
}
Shift1();
Show_Next_Quiz();
}
public void Show_Next_Quiz(){
Random random = new Random();
int Random_Num = random.nextInt(quizArray.size());
ArrayList<String> quiz = quizArray.get(Random_Num);
Question1.setText("Question " + quizCount + ". What is the number from the picture ?");
iV1.setImageResource(
getResources().getIdentifier(quiz.get(0), "drawable", getPackageName())
);
Right_Answer = quiz.get(1);
quiz.remove(0);
Collections.shuffle(quiz);
ans1.setText(quiz.get(1));
ans2.setText(quiz.get(2));
ans3.setText(quiz.get(3));
ans4.setText(quiz.get(4));
ans5.setText(quiz.get(5));
ans6.setText(quiz.get(6));
quizArray.remove(Random_Num);
}
public void Check_Answer(View view) {
Button Answer = findViewById(view.getId());
String btnText = Answer.getText().toString();
String alertTitle;
if (btnText.equals(Right_Answer)){
alertTitle = "Correct !!!";
Right_Answer_Count++;
} else {
alertTitle = "Sorry, you are wrong =(";
}
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle(alertTitle);
builder.setMessage("Answer : " + Right_Answer);
builder.setPositiveButton("OK", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int i) {
if (quizArray.size() < 1){
Show_Result();
} else {
quizCount++;
Shift2();
Show_Next_Quiz();
}
}
});
builder.setCancelable(false);
builder.show();
}
public void Show_Result(){
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("Result");
builder.setMessage(Right_Answer_Count + " / 10");
builder.setPositiveButton("Try Again?", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int i) {
recreate();
}
});
builder.setNegativeButton("Quit", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int i) {
Exit();
}
});
builder.show();
}
public void Exit(){
Intent x = new Intent(this,MainMenu.class);
startActivity(x);
}
public void Result(View view){
Show_Result();
}
public void Shift2(){
Question1.setVisibility(View.INVISIBLE);
ans1.setVisibility(View.INVISIBLE);
ans2.setVisibility(View.INVISIBLE);
ans3.setVisibility(View.INVISIBLE);
ans4.setVisibility(View.INVISIBLE);
ans5.setVisibility(View.INVISIBLE);
ans6.setVisibility(View.INVISIBLE);
next.setVisibility(View.INVISIBLE);
text1.setVisibility(View.VISIBLE);
iV1.setVisibility(View.VISIBLE);
Shift1();
}
public void Shift1(){
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
Question1.setVisibility(View.VISIBLE);
ans1.setVisibility(View.VISIBLE);
ans2.setVisibility(View.VISIBLE);
ans3.setVisibility(View.VISIBLE);
ans4.setVisibility(View.VISIBLE);
ans5.setVisibility(View.VISIBLE);
ans6.setVisibility(View.VISIBLE);
next.setVisibility(View.VISIBLE);
}
},3*1000);
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
text1.setVisibility(View.INVISIBLE);
iV1.setVisibility(View.INVISIBLE);
}
},3*1000);
}
}
这是错误：
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.user.intern, PID: 24655
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.user.intern/com.example.user.intern.Question2}: java.lang.IndexOutOfBoundsException: Invalid index 6, size is 6
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2187)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2236)
at android.app.ActivityThread.access$800(ActivityThread.java:138)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1199)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5095)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:602)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.IndexOutOfBoundsException: Invalid index 6, size is 6
at java.util.ArrayList.throwIndexOutOfBoundsException(ArrayList.java:255)
at java.util.ArrayList.get(ArrayList.java:308)
at com.example.user.intern.Question2.Show_Next_Quiz(Question2.java:123)
at com.example.user.intern.Question2.onCreate(Question2.java:96)
at android.app.Activity.performCreate(Activity.java:5286)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2151)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2236)
at android.app.ActivityThread.access$800(ActivityThread.java:138)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1199)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5095)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:602)
at dalvik.system.NativeStart.main(Native Method)
当大小为6时，最大索引（或偏移量）为5.您从0开始计数。
在Java中，数组索引从0开始。因此，当您声明数组大小为例如6时，您可以访问索引0,1,2,3,4,5。因此，数组中有6个元素，索引为0到5。