C++ 如何使用字符串设置字符串数组,这些字符串将通过iphone文本上的数组显示?
我对iphone开发还不熟悉,但我以前做过android。下面是我用java做的一些事情,我想把它转换成iphoneC++ 如何使用字符串设置字符串数组,这些字符串将通过iphone文本上的数组显示?,c++,iphone,objective-c,arrays,C++,Iphone,Objective C,Arrays,我对iphone开发还不熟悉,但我以前做过android。下面是我用java做的一些事情,我想把它转换成iphone public class RelationshipTipsActivity extends Activity implements OnClickListener { private static final int SWIPE_MIN_DISTANCE = 120; private static final int SWIPE_MAX_OFF_PATH = 250;
public class RelationshipTipsActivity extends Activity implements
OnClickListener {
private static final int SWIPE_MIN_DISTANCE = 120;
private static final int SWIPE_MAX_OFF_PATH = 250;
private static final int SWIPE_THRESHOLD_VELOCITY = 200;
private GestureDetector gestureDetector;
View.OnTouchListener gestureListener;
String facts[] = {"Coming soon",
"Coming soon", };
TextView display, display1;
TextView counter;
Button begin;
Button next;
Button previous;
Button random;
Random myRandom;
int index = facts.length;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(starting.rt.R.layout.relationship);
AdView ad = (AdView) findViewById(R.id.ad);
ad.loadAd(new AdRequest());
display1 = (TextView) findViewById(starting.rt.R.id.Begin);
display = (TextView) findViewById(starting.rt.R.id.tvResults);
counter = (TextView) findViewById(starting.rt.R.id.tvCounter);
next = (Button) findViewById(starting.rt.R.id.Next);
previous = (Button) findViewById(starting.rt.R.id.Previous);
random = (Button) findViewById(starting.rt.R.id.Random);
next.setOnClickListener(this);
previous.setOnClickListener(this);
random.setOnClickListener(this);
// display.setOnTouchListener(this.gestureListener);
myRandom = new Random();
// gestureDetector = new GestureDetector(new MyGestureDetector());
// gestureListener = new View.OnTouchListener() {
// public boolean onTouch(View v, MotionEvent event) {
// return gestureDetector.onTouchEvent(event);
// }
// };
}
private void showDisplay() {
display.setText(facts[index]);
counter.setText(String.valueOf(index + 1) + "/"
+ String.valueOf(facts.length));
}
public void onClick(View arg0) {
// TODO Auto-generated method stub
switch (arg0.getId()) {
case starting.rt.R.id.Next:
index++;
if (index > facts.length - 1) {
index = 0;
}
showDisplay();
break;
case starting.rt.R.id.Previous:
index--;
if (index < 0) {
index = facts.length - 1;
}
showDisplay();
break;
case starting.rt.R.id.Random:
index = (myRandom.nextInt(facts.length) - 1);
if (index < 0) {
index = facts.length - 1;
}
showDisplay();
break;
}
}
}
我希望能够在Iphone视图中显示这些字符串。并且可以单击下一个或上一个按钮转到下一个或上一个字符串,该字符串可以是从蓝色到红色或从红色到蓝色。基本上,如果有任何教程可以帮助我,或者如果你知道如何帮助我,我将不胜感激。谢谢 为什么不使用一个
int
变量和数组中字符串的当前位置,以及两种方法goPrev
-goNext
来递增和递减int
变量
在界面中:
UIButton *btn;
int step;
NSArray *titles;
在实施过程中:
-(void)setup {
titles = [NSArray arrayWithObjects:@"Title 1",@"Title 2",@"Title 3",@"Title 4", nil];
btn = [UIButton buttonWithType:UIButtonTypeCustom];
}
-(void)goPrev {
if (step>0) {
step--;
}
[btn setTitle:[titles objectAtIndex:step] forState:UIControlStateNormal];
}
-(void)goNext {
if (step<titles.count-1) {
step++;
}
[btn setTitle:[titles objectAtIndex:step] forState:UIControlStateNormal];
}
-(无效)设置{
标题=[NSArray数组,其对象为:@“标题1”、“标题2”、“标题3”、“标题4”,无];
btn=[UIButton按钮类型:UIButtonTypeCustom];
}
-(无效)goPrev{
如果(步骤>0){
步骤--;
}
[btn setTitle:[titles objectAtIndex:step]用于状态:UIControlStateNormal];
}
-(无效)goNext{
如果(stepHow)你会把所有的东西都放在课堂上吗?@JacobBrans我刚刚给你展示了previous
和next
方法。
-(void)setup {
titles = [NSArray arrayWithObjects:@"Title 1",@"Title 2",@"Title 3",@"Title 4", nil];
btn = [UIButton buttonWithType:UIButtonTypeCustom];
}
-(void)goPrev {
if (step>0) {
step--;
}
[btn setTitle:[titles objectAtIndex:step] forState:UIControlStateNormal];
}
-(void)goNext {
if (step<titles.count-1) {
step++;
}
[btn setTitle:[titles objectAtIndex:step] forState:UIControlStateNormal];
}