增加活动幻灯片视图的按钮

Question

我需要实现一个按钮，为每个幻灯片视图分别递增0值，但无法计算如何

这是幻灯片视图幻灯片1

幻灯片2

这是滑块视图的java代码

public class SliderAdapter extends PagerAdapter {
Context context;
LayoutInflater layoutInflater;
public SliderAdapter(Context context){
this.context = context;
}
//Arrays
public int[] slide_images = {
R.drawable.ic_armcircle,
R.drawable.ic_ropejump,
R.drawable.ic_jumpingjack,
R.drawable.ic_burpee,
R.drawable.ic_squat
};
public String[] slide_headings = {
"ArmCircle",
"RopeJump",
"JumpingJack",
"Burpee",
"Squat"
};
@Override
public int getCount() {
return slide_headings.length;
}
@Override
public boolean isViewFromObject(@NonNull View view, @NonNull Object object) {
return view == (RelativeLayout) object;
}
@NonNull
@Override
public Object instantiateItem(@NonNull ViewGroup container, int position) {
layoutInflater = (LayoutInflater) context.getSystemService(context.LAYOUT_INFLATER_SERVICE);
View view =layoutInflater.inflate(R.layout.slide_layout, container, false);
ImageView slideImageView = (ImageView) view.findViewById(R.id.HareketResmi);
TextView slideHeading = (TextView) view.findViewById(R.id.HareketAdi);
slideImageView.setImageResource((slide_images[position]));
slideHeading.setText(slide_headings[position]);
container.addView(view);
return view;
}
@Override
public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) {
container.removeView((RelativeLayout)object);
}

}

这是滑块的代码

public class Slider extends AppCompatActivity {
private ViewPager mSlideViewPager;
private LinearLayout mDotLayout;
private TextView[] mDots;
private SliderAdapter sliderAdapter;
//Tıkladıkca Artan Sayı
private int HareketSayaci = 0;
Button Saydir;
TextView Sayi;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_slider);
mSlideViewPager = (ViewPager) findViewById(R.id.slideViewPager);
mDotLayout = (LinearLayout) findViewById(R.id.dotsLayout);
sliderAdapter = new SliderAdapter(this);
mSlideViewPager.setAdapter((sliderAdapter));
addDotsIndicator();
//Tıkladıkca Artan Sayı
Saydir = (Button) findViewById(R.id.Saydir);
Sayi = (TextView) findViewById(R.id.TekrarSayisi);
Saydir.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
HareketSayaci ++;
Sayi.setText(Integer.toString(HareketSayaci));
}
});
}
public void addDotsIndicator(){
mDots = new TextView[3];
for(int i = 0; i < mDots.length; i++){
mDots[i] = new TextView(this);
mDots[i].setText(Html.fromHtml("&#8226;"));
mDots[i].setTextSize(35);
mDots[i].setTextColor(getResources().getColor(R.color.colorPrimaryDark));
mDotLayout.addView(mDots[i]);
}
}

}

我不知道我是否需要分离计数器TextView，以及我如何才能，

但这些都是令人困惑的问题

真正的问题是

i need to code a button that increments the TextView Value when clicked

Answer 1

我没有完全理解你必须面对的问题，但根据我对你的问题的理解

您必须在viewpager更改上实现您的逻辑

viewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
}
@Override
public void onPageSelected(int position) {
}
@Override
public void onPageScrollStateChanged(int state) {
}
});

也可以参考图像滑块的这些例子

https://www.androhub.com/android-image-slider-using-viewpager/

https://www.sanktips.com/2017/10/01/how-to-add-dots-indicator-to-image-slider-with-viewpager-in-android-studio/