콩콩데이터 안드로이드앱에 배너 전환기능을 구현했습니다. 자바버전으로는 소스를 찾기가 힘들어 구현한걸 올려놓습니다. 기존의 고정된 이미지링크에서 배너가 자동으로 전환되는 기능을 바꾼겁니다.
//배너광고를 위한 viewpager2 추가
implementation "androidx.viewpager2:viewpager2:1.0.0"
def lifecycle_version = "2.2.0"
implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:$lifecycle_version"gradle 파일에 뷰페이저를 추가합니다.
package com.main.knh.kong;
import android.view.View;
public interface Banner_Interaction extends View.OnClickListener {
void onBannerItemClicked(Banner_Item bannerItem);
}<app/src/main/java/com/main/knh/kong/Banner_Interaction.java>
package com.main.knh.kong;
import com.example.knh.proj2019_2.R;
public class Banner_Item {
private String name, company, text;
private int color, textColor, textCompanyColor;
public Banner_Item(String name, String company, String text, int color, int textcolor) {
this.name = name;
this.company = company;
this.text = text;
this.color = color;
this.textColor = textcolor;
}
public String getName() {return name;}
public String getCompany() {return company;}
public String getText() {return text;}
public int getColor() {
return color;
}
public int getTextCompanyColor() {return R.color.colorGray;}
public int getTextColor() {
return textColor;
}
}<app/src/main/java/com/main/knh/kong/Banner_Item.java>
package com.main.knh.kong;
import androidx.lifecycle.MutableLiveData;
import androidx.lifecycle.LiveData;
import androidx.lifecycle.ViewModel;
import java.util.List;
public class Banner_ViewModel extends ViewModel {
private MutableLiveData<List<Banner_Item>> _bannerItemList = new MutableLiveData<>();
private MutableLiveData<Integer> _currentPosition = new MutableLiveData<>();
public LiveData<List<Banner_Item>> getBannerItemList() {
return _bannerItemList;
}
public LiveData<Integer> getCurrentPosition() {
return _currentPosition;
}
public Banner_ViewModel() {
_currentPosition.setValue(0);
}
public void setBannerItems(List<Banner_Item> list) {
_bannerItemList.setValue(list);
}
public void setCurrentPosition(int position) {
//_currentPosition.setValue(position);
_currentPosition.postValue(position); //백그라운드 스레드에서 호출시 postValue를 사용
}
}<app/src/main/java/com/main/knh/kong/Banner_ViewModel.java>
package com.main.knh.kong;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;
import com.example.knh.proj2019_2.R;
import java.util.List;
public class Banner_ViewPagerAdaptor extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
public static final int BANNER_ITEM_COUNT = 25;
private List<Banner_Item> bannerItemList;
private Banner_Interaction interaction;
public Banner_ViewPagerAdaptor(Banner_Interaction interaction) {
this.interaction = interaction;
}
@NonNull
@Override
public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
View itemView = LayoutInflater.from(parent.getContext()).inflate(R.layout.banner_item_layout, parent, false);
return new BannerViewHolder(itemView, interaction);
}
@Override
public int getItemCount() {
return BANNER_ITEM_COUNT;
}
@Override
public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
if (bannerItemList != null) {
((BannerViewHolder) holder).bind(bannerItemList.get(position));
}
}
// Functions
public void submitList(List<Banner_Item> list) {
bannerItemList = list;
notifyDataSetChanged();
}
// ViewHolder
public class BannerViewHolder extends RecyclerView.ViewHolder {
private Banner_Interaction interaction;
private TextView textviewBannerCompany, textviewBannerText;
private ImageView imageViewBannerCI;
private LinearLayout layout, layout_text;
public BannerViewHolder(View itemView, Banner_Interaction interaction) {
super(itemView);
this.interaction = interaction;
textviewBannerCompany = itemView.findViewById(R.id.textView_banner_company);
textviewBannerText = itemView.findViewById(R.id.textView_banner_name);
layout = itemView.findViewById(R.id.BannerItemLayout);
layout_text = itemView.findViewById(R.id.banner_background_layout);
imageViewBannerCI = itemView.findViewById(R.id.imageView_banner_ci);
itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (bannerItemList != null) {
interaction.onBannerItemClicked(bannerItemList.get(getAdapterPosition()));
}
}
});
}
public void bind(Banner_Item bannerItem) {
layout_text.setBackgroundColor(bannerItem.getColor());
textviewBannerCompany.setBackgroundColor(bannerItem.getColor());
textviewBannerCompany.setText(bannerItem.getCompany());
textviewBannerCompany.setTextColor(bannerItem.getTextCompanyColor());
textviewBannerText.setBackgroundColor(bannerItem.getColor());
textviewBannerText.setText(bannerItem.getText());
textviewBannerText.setTextColor(bannerItem.getTextColor());
switch(bannerItem.getName())
{
case "police_crime": imageViewBannerCI.setImageResource(R.drawable.ci_police); break;
case "khnp_radiorate": imageViewBannerCI.setImageResource(R.drawable.ci_khnp); break;
case "khnp_powerate": imageViewBannerCI.setImageResource(R.drawable.ci_khnp); break;
case "khnp_weather": imageViewBannerCI.setImageResource(R.drawable.ci_khnp); break;
case "khnp_air": imageViewBannerCI.setImageResource(R.drawable.ci_khnp); break;
case "khnp_wastewater": imageViewBannerCI.setImageResource(R.drawable.ci_khnp); break;
case "khnp_inoutwater": imageViewBannerCI.setImageResource(R.drawable.ci_khnp); break;
case "khnp_rwm": imageViewBannerCI.setImageResource(R.drawable.ci_khnp); break;
case "khnp_majorproject": imageViewBannerCI.setImageResource(R.drawable.ci_khnp); break;
case "keco_airpredict": imageViewBannerCI.setImageResource(R.drawable.ci_keco); break;
case "keco_airpollution": imageViewBannerCI.setImageResource(R.drawable.ci_keco); break;
case "kpx_sukub": imageViewBannerCI.setImageResource(R.drawable.ci_kpx); break;
case "kospo_geninfo": imageViewBannerCI.setImageResource(R.drawable.ci_kospo); break;
case "kobis_boxoffice": imageViewBannerCI.setImageResource(R.drawable.ci_kobis); break;
default: imageViewBannerCI.setImageResource(R.drawable.ci_gov); break;
}
}
}
}<app/src/main/java/com/main/knh/kong/Banner_ViewPagerAdaptor.java>
위의 코드를 수정하면, 이미지배너를 띄우거나, 텍스트를 추가하거나, 배너의 여러가지를 변경해서 표시할 수 있습니다.
//////////////////////
// 배너 관련함수 모음 //
//////////////////////
private void initViewPager2(View view) {
ViewPager2 viewPager2 = view.findViewById(R.id.bannerViewpager);
viewPagerAdapter = new Banner_ViewPagerAdaptor(this);
viewPager2.setAdapter(viewPagerAdapter);
viewPager2.registerOnPageChangeCallback(new ViewPager2.OnPageChangeCallback() {
@Override
public void onPageSelected(int position) {
super.onPageSelected(position);
isRunning = true;
TextView tvPageNumber = view.findViewById(R.id.textview_pagenumber);
tvPageNumber.setText(String.valueOf(position + 1));
viewModel.setCurrentPosition(position);
}
});
}
//베너
private void subscribeObservers(View view) {
viewModel.getBannerItemList().observe(this, new Observer<List<Banner_Item>>() {
@Override
public void onChanged(List<Banner_Item> bannerItemList) {
viewPagerAdapter.submitList(bannerItemList);
}
});
viewModel.getCurrentPosition().observe(this, new Observer<Integer>() {
@Override
public void onChanged(Integer currentPosition) {
ViewPager2 viewPager2 = view.findViewById(R.id.bannerViewpager);
viewPager2.setCurrentItem(currentPosition);
}
});
}
private void autoScrollViewPager() {
new Thread(new Runnable() {
@Override
public void run() {
while (isRunning) {
try {
Thread.sleep(3000);
} catch (InterruptedException e) {
e.printStackTrace();
}
int currentPosition = viewModel.getCurrentPosition().getValue();
if (currentPosition >= 0) {
viewModel.setCurrentPosition((currentPosition + 1) % Banner_ViewPagerAdaptor.BANNER_ITEM_COUNT);
}
}
}
}).start();
}
@Override
public void onPause() {
super.onPause();
isRunning = false;
}
@Override
public void onResume() {
super.onResume();
isRunning = true;
}
@Override
public void onClick(View view) {
}
@Override
public void onBannerItemClicked(Banner_Item bannerItem) {
switch (bannerItem.getName())
{
case "customs_tradestat": ((MainActivity)getActivity()).GoFragment("customs_tradestat", "balance"); break;
case "mohw_covid": ((MainActivity)getActivity()).GoFragment("mohw_covid", "7"); break;
case "molit_apttrade": ((MainActivity)getActivity()).GoFragment("molit_apttrade","11110", "000000"); break;
case "khnp_radiorate": ((MainActivity)getActivity()).GoFragment("khnp_radiorate", "KR"); break;
case "khnp_powerate": ((MainActivity)getActivity()).GoFragment("khnp_powerate", "KR"); break;
case "khnp_weather": ((MainActivity)getActivity()).GoFragment("khnp_weather", "KR"); break;
case "khnp_air": ((MainActivity)getActivity()).GoFragment("khnp_air", "KR"); break;
case "khnp_inoutwater": ((MainActivity)getActivity()).GoFragment("khnp_inoutwater", "KR"); break;
case "khnp_wastewater": ((MainActivity)getActivity()).GoFragment("khnp_wastewater", "KR"); break;
case "khnp_rwm": ((MainActivity)getActivity()).GoFragment("khnp_rwm", "2100"); break;
case "khnp_majorproject": ((MainActivity)getActivity()).GoFragment("khnp_majorproject", "SKN5"); break;
default: ((MainActivity) getActivity()).GoFragment(bannerItem.getName()); return;
}
}
///////배너관련 함수 끝 //
//베너
TextView textView_banner_count = (TextView) view.findViewById(R.id.textView_banner_count);
textView_banner_count.setText("/" + Banner_ViewPagerAdaptor.BANNER_ITEM_COUNT);
viewModel = new ViewModelProvider(this).get(Banner_ViewModel.class);
viewModel.setBannerItems(
Arrays.asList(
//0
new Banner_Item("mpva_people", getString(R.string.mpva), getString(R.string.mpva_people), getResources().getColor(R.color.colorBannerBg_01), getResources().getColor(R.color.colorBlack)),
new Banner_Item("ftc_caseinfo", getString(R.string.ftc), getString(R.string.ftc_caseinfo), getResources().getColor(R.color.colorBannerBg_02), getResources().getColor(R.color.colorBlack)),
new Banner_Item("pipc_manageresult", getString(R.string.pipc), getString(R.string.pipc_manageresult), getResources().getColor(R.color.colorBannerBg_03), getResources().getColor(R.color.colorBlack)),
new Banner_Item("customs_tradestat", getString(R.string.customs), getString(R.string.customs_tradestat), getResources().getColor(R.color.colorBannerBg_04), getResources().getColor(R.color.colorBlack)),
new Banner_Item("moe_bookinfo", getString(R.string.moe), getString(R.string.moe_bookinfo), getResources().getColor(R.color.colorBannerBg_05), getResources().getColor(R.color.colorBlack)),
new Banner_Item("msit_companylist", getString(R.string.msit), getString(R.string.msit_companylist), getResources().getColor(R.color.colorBannerBg_06), getResources().getColor(R.color.colorBlack)),
new Banner_Item("mnd_accident", getString(R.string.mnd), getString(R.string.mnd_accident), getResources().getColor(R.color.colorBannerBg_07), getResources().getColor(R.color.colorBlack)),
new Banner_Item("police_crime", getString(R.string.police), getString(R.string.police_crime), getResources().getColor(R.color.colorBannerBg_08), getResources().getColor(R.color.colorBlack)),
new Banner_Item("mohw_covid", getString(R.string.mohw), getString(R.string.mohw_covid), getResources().getColor(R.color.colorBannerBg_09), getResources().getColor(R.color.colorBlack)),
new Banner_Item("moel_disaster", getString(R.string.moel), getString(R.string.moel_disaster), getResources().getColor(R.color.colorBannerBg_10), getResources().getColor(R.color.colorBlack)),
//10
new Banner_Item("mogef_sexoffender", getString(R.string.mogef), getString(R.string.mogef_sexoffender), getResources().getColor(R.color.colorBannerBg_11), getResources().getColor(R.color.colorBlack)),
new Banner_Item("molit_apttrade", getString(R.string.molit), getString(R.string.molit_apttrade), getResources().getColor(R.color.colorBannerBg_12), getResources().getColor(R.color.colorBlack)),
new Banner_Item("khnp_radiorate", getString(R.string.khnp), getString(R.string.khnp_radiorate), getResources().getColor(R.color.colorBannerBg_13), getResources().getColor(R.color.colorBlack)),
new Banner_Item("khnp_powerate", getString(R.string.khnp), getString(R.string.khnp_powerate), getResources().getColor(R.color.colorBannerBg_14), getResources().getColor(R.color.colorBlack)),
new Banner_Item("khnp_weather", getString(R.string.khnp), getString(R.string.khnp_weather), getResources().getColor(R.color.colorBannerBg_15), getResources().getColor(R.color.colorBlack)),
new Banner_Item("khnp_air", getString(R.string.khnp), getString(R.string.khnp_air), getResources().getColor(R.color.colorBannerBg_16), getResources().getColor(R.color.colorBlack)),
new Banner_Item("khnp_wastewater", getString(R.string.khnp), getString(R.string.khnp_wastewater), getResources().getColor(R.color.colorBannerBg_01), getResources().getColor(R.color.colorBlack)),
new Banner_Item("khnp_inoutwater", getString(R.string.khnp), getString(R.string.khnp_inoutwater), getResources().getColor(R.color.colorBannerBg_02), getResources().getColor(R.color.colorBlack)),
new Banner_Item("khnp_rwm", getString(R.string.khnp), getString(R.string.khnp_rwm), getResources().getColor(R.color.colorBannerBg_03), getResources().getColor(R.color.colorBlack)),
new Banner_Item("khnp_majorproject", getString(R.string.khnp), getString(R.string.khnp_majorproject), getResources().getColor(R.color.colorBannerBg_04), getResources().getColor(R.color.colorBlack)),
//20
new Banner_Item("keco_airpredict", getString(R.string.keco), getString(R.string.keco_airpredict), getResources().getColor(R.color.colorBannerBg_05), getResources().getColor(R.color.colorBlack)),
new Banner_Item("keco_airpollution", getString(R.string.keco), getString(R.string.keco_airpollution), getResources().getColor(R.color.colorBannerBg_06), getResources().getColor(R.color.colorBlack)),
new Banner_Item("kpx_sukub", getString(R.string.kpx), getString(R.string.kpx_sukub), getResources().getColor(R.color.colorBannerBg_07), getResources().getColor(R.color.colorBlack)),
new Banner_Item("kospo_geninfo", getString(R.string.kospo), getString(R.string.kospo_geninfo), getResources().getColor(R.color.colorBannerBg_08), getResources().getColor(R.color.colorBlack)),
new Banner_Item("kobis_boxoffice", getString(R.string.kobis), getString(R.string.kobis_boxoffice), getResources().getColor(R.color.colorBannerBg_09), getResources().getColor(R.color.colorBlack))
)
);
initViewPager2(view);
subscribeObservers(view);
autoScrollViewPager();메인화면 코드입니다. 쓰레드를 이용해 5초단위로 전환시켜주는 부분입니다.
참고하세요!
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