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I'm having a hard time here with AlphabetIndexer here. I'm trying to use it to produce sectioned listview:
private static final String sAlphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯ";
private AlphabetIndexer mIndexer;
public ContactAlphabetizedAdapter(Context context, int layout,
Cursor cursor, String[] from, int[] to) {
super(context, layout, cursor, from, to);
mIndexer = new AlphabetIndexer(cursor, cursor.getColumnIndexOrThrow(ContactsContract.Data.DISPLAY_NAME), sAlphabet);
在我的設備我的應用程序崩潰,問題是:獲得NullPointerException異常與AlphabetIndexer
E/AndroidRuntime(5188): Caused by: java.lang.NullPointerException
E/AndroidRuntime(5188): at android.widget.AlphabetIndexer.compare(AlphabetIndexer.java:128)
E/AndroidRuntime(5188): at android.widget.AlphabetIndexer.getSectionForPosition(AlphabetIndexer.java:265)
這東西AlphabetIndexer內部,我該如何解決這個問題?
檢查AlphabetIndexer.java:128是什麼? – 2012-04-18 17:10:48
這是AlphabetIndexer的來源。 – 2012-04-18 17:13:48
在那個腳本語言中128行包含了什麼 – 2012-04-18 17:15:38