java.lang.IndexOutOfBoundsException:索引1无效,大小为1
问题描述:
我必须开发一个Android应用程序。在这里,我收到以下错误:java.lang.IndexOutOfBoundsException:索引1无效,大小为1
03-26 21:29:00.394: E/AndroidRuntime(684): FATAL EXCEPTION: main
03-26 21:29:00.394: E/AndroidRuntime(684): java.lang.IndexOutOfBoundsException: Invalid index 1, size is 1
03-26 21:29:00.394: E/AndroidRuntime(684): at java.util.ArrayList.throwIndexOutOfBoundsException(ArrayList.java:257)
03-26 21:29:00.394: E/AndroidRuntime(684): at java.util.ArrayList.get(ArrayList.java:311)
03-26 21:29:00.394: E/AndroidRuntime(684): at com.xmlparsing.MainActivity.loadXMLData(MainActivity.java:303)
03-26 21:29:00.394: E/AndroidRuntime(684): at com.xmlparsing.MainActivity.access$2(MainActivity.java:118)
03-26 21:29:00.394: E/AndroidRuntime(684): at com.xmlparsing.MainActivity$GetXmlFiles.onPostExecute(MainActivity.java:369)
03-26 21:29:00.394: E/AndroidRuntime(684): at com.xmlparsing.MainActivity$GetXmlFiles.onPostExecute(MainActivity.java:1)
03-26 21:29:00.394: E/AndroidRuntime(684): at android.os.AsyncTask.finish(AsyncTask.java:417)
03-26 21:29:00.394: E/AndroidRuntime(684): at android.os.AsyncTask.access$300(AsyncTask.java:127)
03-26 21:29:00.394: E/AndroidRuntime(684): at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:429)
03-26 21:29:00.394: E/AndroidRuntime(684): at android.os.Handler.dispatchMessage(Handler.java:99)
03-26 21:29:00.394: E/AndroidRuntime(684): at android.os.Looper.loop(Looper.java:123)
03-26 21:29:00.394: E/AndroidRuntime(684): at android.app.ActivityThread.main(ActivityThread.java:4627)
03-26 21:29:00.394: E/AndroidRuntime(684): at java.lang.reflect.Method.invokeNative(Native Method)
03-26 21:29:00.394: E/AndroidRuntime(684): at java.lang.reflect.Method.invoke(Method.java:521)
03-26 21:29:00.394: E/AndroidRuntime(684): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
03-26 21:29:00.394: E/AndroidRuntime(684): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
03-26 21:29:00.394: E/AndroidRuntime(684): at dalvik.system.NativeStart.main(Native Method)
在这里,我下面的代码使用:
String[] stockArrVideo = new String[Appscontent.Sub_arraylistvideo.size()];
stockArrVideo = Appscontent.Sub_arraylistvideo.toArray(stockArrVideo);
for (String s : stockArrVideo) {
if (s.startsWith(number)) {
String _Substring;
_Substring = s.substring(1);
if(_Substring.equals("")||_Substring == null) {
_Substring = "No Records";
}
Appscontent.Sub_arraylistvideosub.add(_Substring);
}
h++;
}
如果数据是空的,这意味着我必须显示“无记录”的消息。否则显示正确的数据。
TextView mVideo = new TextView(this);
System.out.println(Appscontent.Sub_arraylistvideosub.get(j));
mVideo.setText(Appscontent.Sub_arraylistvideosub.get(j));
mVideo.setLayoutParams(textLayoutParams);
mVideo.setBackgroundColor(Color.BLACK);
这里我写了检查空数据的代码。
是什么导致此异常?
答
IndexOutOfBoundsException: Invalid index 1, size is 1
how can i resolve these error ???
你需要检查你的数组的大小,这个问题似乎发生有:Appscontent.Sub_arraylistvideosub.get(j)
简单的检查,如果你的索引试图使用它,就像之前是有效的:
if(j < Appscontent.Sub_arraylistvideosub.length)
System.out.println(Appscontent.Sub_arraylistvideosub.get(j));
解释你在做什么。 – Tareq 2013-03-26 16:10:17