可以任何一个能帮助我，如何执行列表中长按选项   鉴于项目的，所以我能够从平方删除我的笔记精简版数据库...我   有2列在我的笔记应用程序，他们是ID，标题和notetext

我的code创建表。

  MYDB1 = Main1Activity.this.openOrCreateDatabase（185，MODE_PRIVATE，NULL）;

mydb1.execSQL（CREATE TABLE IF NOT EXISTS笔记（ID INTEGER PRIMARY KEY AUTOINCREMENT，标题为varchar，notetext VARCHAR）;）;
 

长按code

  lv.setOnItemLongClickListener（新OnItemLongClickListener（）{
    公共布尔onItemLongClick（适配器视图＆LT;＆GT;为arg0，查看ARG1，INT ARG2，长ARG3）{
        data.remove（ARG2）;
        // adapter.notifyDataSetChanged（）;
        //adapter.notifyDataSetInvalidated（）;
        返回true;
    }
}）;
 

解决方案

是的，我得到了答案......这将是其他堆栈流量用户的帮助：D :)

 公共布尔onItemLongClick（适配器视图＆LT;＆GT;为arg0，查看ARG1，INT ARG2，长ARG3）{
    ArrayAdapter＆LT;字符串＆GT;适配器=新的ArrayAdapter＆LT;字符串＆GT;
                                 （菜单。该，android.R.layout.simple_list_item_1，数据）;
    光标光标2 = mydb1.rawQuery（SELECT * FROM笔记;，NULL）;

    data.remove（ARG2）;

    lv.setAdapter（适配器）;

    cursor2.moveToPosition（ARG2）;
    INT ID = cursor2.getInt（cursor2.getColumnIndex（ID））;

    mydb1.delete（票据，ID =？，新的String [] {Integer.toString（ID）}）;

    返回true;
}
 

could any one help me that how to perform long click option in list view item's so i able to delete my notes from sq lite database ...i have 2 column in my note app they are id ,title and notetext

my code to create table is ..

mydb1 = Main1Activity.this.openOrCreateDatabase("185", MODE_PRIVATE, null);

mydb1.execSQL("CREATE TABLE IF NOT EXISTS notes (id INTEGER PRIMARY KEY AUTOINCREMENT,title varchar,notetext varchar);");

long click code

lv.setOnItemLongClickListener(new OnItemLongClickListener(){
    public boolean onItemLongClick(AdapterView<?> arg0, View arg1, int arg2,long arg3) {
        data.remove(arg2);
        // adapter.notifyDataSetChanged();
        //adapter.notifyDataSetInvalidated();
        return true;
    }
});

yes i got the answer... it will be helpful for other stack flow user's :D :)

public boolean onItemLongClick(AdapterView<?> arg0, View arg1, int arg2,long arg3) {
    ArrayAdapter <String> adapter = new ArrayAdapter<String>       
                                 (menu.this,android.R.layout.simple_list_item_1,data);
    Cursor cursor2=mydb1.rawQuery("SELECT * FROM notes;", null);

    data.remove(arg2);

    lv.setAdapter(adapter);

    cursor2.moveToPosition(arg2);
    int id= cursor2.getInt(cursor2.getColumnIndex("id"));

    mydb1.delete("notes", "id=?", new String[] {Integer.toString(id)});

    return true ;
}