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我有功能DatabaseHandler.java显示数据
/**
* Getting user data from database
* */
public HashMap<String, String> getUserDetails(){
HashMap<String,String> user = new HashMap<String,String>();
String selectQuery = "SELECT * FROM " + TABLE_LOGIN;
SQLiteDatabase db = this.getReadableDatabase();
Cursor cursor = db.rawQuery(selectQuery, null);
// Move to first row
cursor.moveToFirst();
if(cursor.getCount() > 0){
user.put("id_user", cursor.getString(1));
user.put("name", cursor.getString(2));
user.put("email", cursor.getString(3));
user.put("regid", cursor.getString(4));
user.put("jenis_kelamin", cursor.getString(5));
user.put("tanggal_lahir", cursor.getString(6));
user.put("instansi", cursor.getString(7));
user.put("jabatan", cursor.getString(8));
user.put("dibuat_at", cursor.getString(9));
}
cursor.close();
db.close();
// return user
return user;
}
,问题是如何我得到的数据id_user,姓名,电子邮件等从数据库中MainActivity.java 显示,请帮助
'HashMap userdetails = getUserDetails()',然后'System.out.println(userdetails.get(“id_user”))'?使用TextView在Activity上显示它? –
2013-05-06 13:59:16
在Activity中显示,我使用HashMap userdetails = getUserDetails();在MainActivity但功能未找到? –
2013-05-06 14:07:55