[英]Can't change Char
When I'm trying to change char in my word when I click on for example button A. I want a set char on A and change in my invisible word from (--) set A there where is his position. 当我尝试例如单击按钮A来更改单词中的char时。我想要在A上设置一个char并从(-)设置A中更改我的不可见单词,那么他的位置在哪里。 I'm generating code in NetBeans.
我正在NetBeans中生成代码。
if(hadanka.contains(pismeno))
{
for(int i=0;i!=hadanka.length();i++)
if(pismeno.equals(Character.toString(hadanka.charAt(i))))
{
prepsani[i]=hadanka.charAt(i);
}
System.out.println(prepsani);;
}
Everything is ok. 一切都好。 Hadanka is a guessing word and pismeno is the letter that I chose.
Hadanka是一个猜测的单词,而pismeno是我选择的字母。 When I use it in my application for Android errors occur.
在我的Android应用程序中使用它时,会发生错误。
Here is my Android code: 这是我的Android代码:
char zvolenePismeno;
public void OnStart (View v)
{
if(odpoved.contains(zvolenePismeno))
{
for(int i=0;i!=odpoved.length();i++)
if(zvolenePismeno.equals(Character.toString(odpoved.charAt(i))))
{
prepsani[i]=odpoved.charAt(i);
}
labOdpoved.setText(String.valueOf(prepsani));
}
}
public void OnA(View v)
{
zvolenePismeno = 'A';
kliknuti(btn_A);
}
The errors I get is the following: 我得到的错误如下:
the method contains(charsequence) in the type string is not applicable for the arguments (char)
类型字符串中的contains(charsequence)方法不适用于参数(char)
at the line if(odpoved.contains(zvolenePismeno))
and 在
if(odpoved.contains(zvolenePismeno))
cannot invoke equals (String) on the primitive type char
无法在原始类型char上调用equals(String)
at the line if(zvolenePismeno.equals(Character.toString(odpoved.charAt(i))))
. 在
if(zvolenePismeno.equals(Character.toString(odpoved.charAt(i))))
。
it is doesn't work :/ Im change my code on 这是行不通的:/我更改了我的代码
if(odpoved!=null)
{
for(int i=0;i!=odpoved.length();i++)
if(zvolenePismeno==odpoved.charAt(i))
{
prepsani[i]=odpoved.charAt(i);
}
labOdpoved.setText(String.valueOf(prepsani));
}
Here is my whole code (with error )¨ 这是我的完整代码(有错误)¨
public class MainActivity extends Activity implements OnClickListener {
int lvl1;
String[] Level1 = {"APPLE", "SAMSUNG", "NOKIA", "HTC"};
String odpoved, pokus;
char zvolenePismeno;
public void OnStart(View v) {
btnStart = (Button) findViewById(R.id.btnStart);
labOdpoved = (TextView) findViewById(R.id.labOdpoved);
Random rand = new Random();
lvl1 = Math.abs(rand.nextInt() % 3);
odpoved = Level1[lvl1];
char[] prepsani = new char[odpoved.length()];
for (int i = 0; i != odpoved.length(); i++) {
prepsani[i] = '-';
}
labOdpoved.setText(String.valueOf(prepsani));
if (odpoved.contains(zvolenePismeno)) {
for (int i = 0; i != odpoved.length(); i++)
if (zvolenePismeno.equals(Character.toString(odpoved.charAt(i)))) {
prepsani[i] = odpoved.charAt(i);
}
labOdpoved.setText(String.valueOf(prepsani));
}
}
public void kliknuti(Button btn) {
btn.setClickable(false);
btn.setVisibility(View.INVISIBLE);
}
public void OnA(View v) {
zvolenePismeno = 'A';
btn_A = (Button) findViewById(R.id.btn_A);
kliknuti(btn_A);
}
}
char != Char 字符!=字符
Class Char has method equals but not primitive type char . Char类具有等于的方法,但没有原始类型char 。
if (odpoved!=null)
for(int i=0;i!=odpoved.length();i++)
if (zvolenePismeno==odpoved.charAt(i))
Should work 应该管用
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