GuideFragment.java
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package com.polysoft.nafmii.fragment;
import android.content.Intent;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.RadioButton;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import androidx.viewpager.widget.PagerAdapter;
import androidx.viewpager.widget.ViewPager;
import com.polysoft.nafmii.utils.IntentUtils;
import com.polysoft.nafmii.utils.SpUtils;
import com.whaty.nafmii.R;
import com.whaty.nafmii.activity.IActivityEvent;
import com.whaty.nafmii.activity.TestHomeActivity;
import java.util.ArrayList;
import java.util.List;
public class GuideFragment extends Fragment implements View.OnClickListener {
public static GuideFragment newInstance() {
Bundle args = new Bundle();
GuideFragment fragment = new GuideFragment();
fragment.setArguments(args);
return fragment;
}
@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
return View.inflate(container.getContext(), R.layout.fragment_guide, null);
}
@Override
public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
this.initView(view);
}
private void initView(View view) {
ViewPager viewPager = view.findViewById(R.id.guide_viewpager);
List<View> viewList = this.initGuideImage();
viewPager.setAdapter(new ViewPagerAdapter(viewList));
viewPager.setCurrentItem(0);
RadioButton point1 = view.findViewById(R.id.guide_point1);
RadioButton point2 = view.findViewById(R.id.guide_point2);
RadioButton point3 = view.findViewById(R.id.guide_point3);
RadioButton[] points = new RadioButton[]{point1, point2, point3};
View goHomeBtn = view.findViewById(R.id.guide_btn_gohome);
goHomeBtn.setOnClickListener(this);
viewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
}
@Override
public void onPageSelected(int position) {
points[position].setChecked(true);
boolean show = viewList.size() == (position + 1);
goHomeBtn.setVisibility(show ? View.VISIBLE : View.GONE);
}
@Override
public void onPageScrollStateChanged(int state) {
}
});
}
private List<View> initGuideImage() {
int[] arrays = new int[]{R.mipmap.guide1_bg, R.mipmap.guide2_bg, R.mipmap.guide3_bg};
List<View> viewList = new ArrayList<>();
int match = ViewGroup.LayoutParams.MATCH_PARENT;
for (int i = 0; i < arrays.length; i++) {
ImageView imageView = new ImageView(getContext());
imageView.setImageResource(arrays[i]);
imageView.setLayoutParams(new ViewGroup.LayoutParams(match, match));
imageView.setScaleType(ImageView.ScaleType.FIT_XY);
viewList.add(imageView);
}
return viewList;
}
@Override
public void onClick(View v) {
if (v.getId() == R.id.guide_btn_gohome) {
((IActivityEvent) getActivity()).dispatchEvent(IActivityEvent.EVENT_GUIDE);
}
}
class ViewPagerAdapter extends PagerAdapter {
private List<View> viewList = new ArrayList<>();
ViewPagerAdapter(List<View> viewList) {
this.viewList = viewList;
}
@Override
public int getCount() {
return this.viewList.size();
}
@Override
public boolean isViewFromObject(@NonNull View view, @NonNull Object object) {
return view == object;
}
@NonNull
@Override
public Object instantiateItem(@NonNull ViewGroup container, int position) {
View view = this.viewList.get(position);
container.addView(view);
return view;
}
@Override
public void destroyItem(ViewGroup container, int position, Object object) {
container.removeView(viewList.get(position));
}
}
}