java - 尝试将信息从 Android 应用程序中的 4 个字段传递到 java 中的字符串，以便在保存信息之前测试连接

Question

我正在编写一个连接到MySQL服务器的Android应用程序，到目前为止我已经有了它，这样用户就可以输入服务器IP、数据库名称、用户名和密码并将其存储到手机上。我正在尝试根据用户刚刚输入的信息构建一个字符串，以在保存到 .txt 文件之前测试连接。我知道它可能就在我面前，但经过一天之后我被困住了，请帮忙!问题出在“TestButtonListener”

public class AppInfo extends Activity {

public static final String DEBUGTAG = "It's Broke";
public static final String DATABASEPASSWORD = "pinfo.txt";
public static final String SERVERIP = "sinfo.txt";
public static final String DATABASEUSER = "ninfo.txt";
public static final String DATABASE = "dinfo.txt";
public static final String FILESAVED = "filesaved";
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_app_info);
    addTestButtonListener();


///Test connection
private void addTestButtonListener() {
    Button test = (Button) findViewById(R.id.testcon);
    test.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
 ///need information from the R.id.server, R.id.database, R.id.name, R.id.pword
 /// and insert it into the string as serverIp, dataBase, name, pword.
 ///
             try {
              /// everything I've tried in here spits out the name of the text file, 
              /// or the memory address, but not the value just typed in.
            }

            String serverConnect = new String("jdbc:mysql://" + serverIp
                    + "/" + dataBase + ", " + name + ", " + pword);

            Toast.makeText(AppInfo.this, serverConnect, Toast.LENGTH_LONG)
                    .show();

        }
    });
}

Answer 1

别费心了，我想出了如何用 .getText().toString() 修复它，毕竟我发现 Android 不能与 jdbc 连接器一起工作。