Android Studio 错误:预期的类、接口或枚举 [英] Android Studio Error: class, interface, or enum expeted
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问题描述
我正在尝试在我的数据库中插入测试数据,但没有成功.
I'm trying to do an insert test data in my database, but is not working.
关注此视频作为参考,但它不起作用:https://www.youtube.com/watch?v=RPi7ueKwEXg
Follow this video as a reference, but it did not work: https://www.youtube.com/watch?v=RPi7ueKwEXg
见下文:
package com.bytemeta.bytenota.dominio;
import android.content.ContentValues;
import android.content.Context;
import android.database.*;
import android.database.sqlite.*;
import android.widget.ArrayAdapter;
import android.widget.*;
public class RepositorioCadastro{
private SQLiteDatabase conn;
public RepositorioCadastro(SQLiteDatabase conn){
this.conn = conn;
}
public void testeInserirCadastro(){
for (int i = 0; i < 10; i++){
ContentValues values = new ContentValues();
values.put("NOME", "THIAGO");
conn.insertOrThrow("CADASTRO", null, values);
}
}
}
public ArrayAdapter<String> buscaCadastro(Context context){
ArrayAdapter<String> adpCadastro = new ArrayAdapter<String>(context, android.R.layout.simple_list_item_1);
Cursor cursor = conn.query("BYTENOTA_DB",null,null,null,null,null,null,null);
if (cursor.getCount() > 0) {
cursor.moveToFirst();
do {
String NOME = cursor.getString(1);
adpCadastro.add(NOME);
}while (cursor.moveToNext());
}
return adpCadastro;
}
}
推荐答案
当您在类声明之外有代码时,Android Studio 会抛出该错误.您的 public ArrayAdapter
现在不在课堂上.删除 testeInserirCadastro
后多余的大括号,应该可以修复它.
Android Studio throws that error when you have code out of the class declaration.
Your public ArrayAdapter<String> buscaCadastro
is out of the class right now. Remove the extra closing curly brace after testeInserirCadastro
, that should fix it.
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