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Java 应用程序在向微调器填充数据时停止响应。怎么了?_Java_Android_Database_Spinner_Fill - Fatal编程技术网

Java 应用程序在向微调器填充数据时停止响应。怎么了?

Java 应用程序在向微调器填充数据时停止响应。怎么了?,java,android,database,spinner,fill,Java,Android,Database,Spinner,Fill,我添加这段代码是为了从数据库中获取微调器项目的数据: SRSSQLiteHelper datahelper = new SRSSQLiteHelper(getApplicationContext()); Set<String> allEvents = datahelper.getAllEvents(datahelper.getReadableDatabase()); ArrayAdapter<String> spinnerAdapter

我添加这段代码是为了从数据库中获取微调器项目的数据:

    SRSSQLiteHelper datahelper = new SRSSQLiteHelper(getApplicationContext());
    Set<String>     allEvents  = datahelper.getAllEvents(datahelper.getReadableDatabase());

    ArrayAdapter<String> spinnerAdapter= new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, (java.util.List<String>) allEvents);
    spinnerAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
    spinner.setAdapter(spinnerAdapter);
以下是用于从数据库中提取数据的getAllEvents方法:

public Set<String> getAllEvents(SQLiteDatabase db) {

    Set<String> allEvents = new HashSet<String>();
    Cursor      cursor    = db.rawQuery("SELECT * FROM SRSEvents", null);
    int i=0;

    while (cursor.moveToPosition(i)) { allEvents.add(cursor.getString(3)); }

    return allEvents;
}

在上次改变之前,一切都很顺利。没有错误日志,应用程序只是停止响应。有什么不对劲吗?

因为你从不增加i,而cursor.moveToPositioni是一个无限循环。哦,我是个白痴,谢谢:-