微商客 v2.1.2 - DyIntroActivity.java 源代码

package com.jianzhen.wsk.ui.hk;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import androidx.viewpager.widget.PagerAdapter;
import androidx.viewpager.widget.ViewPager;
import com.jianzhen.wsk.BaseActivity;
import com.jianzhen.wsk.R;
import com.jianzhen.wsk.utils.SharedPreferencesUtil;
import java.util.ArrayList;
import java.util.List;

public class DyIntroActivity extends BaseActivity {
    private final List<Integer> imgList = new ArrayList();
    private ViewPager viewPager;

    @Override
    protected int getLayoutId() {
        return R.layout.activity_dy_intro;
    }

    @Override
    protected void initTitle() {
    }

    @Override
    protected boolean isSetBaseTitle() {
        return false;
    }

    @Override
    protected void initPageView() {
        ViewPager findViewById = findViewById(R.id.viewPager);
        this.viewPager = findViewById;
        findViewById.setAdapter(new IntroPagerAdapter(this));
        this.imgList.add(Integer.valueOf(R.mipmap.dy_intro1));
        this.imgList.add(Integer.valueOf(R.mipmap.dy_intro2));
        this.imgList.add(Integer.valueOf(R.mipmap.dy_intro3));
        this.imgList.add(Integer.valueOf(R.mipmap.dy_intro4));
    }

    public class IntroPagerAdapter extends PagerAdapter {
        private LayoutInflater inflater;
        private View[] pages = new View[4];

        public boolean isViewFromObject(View view, Object obj) {
            return view == obj;
        }

        public IntroPagerAdapter(Context context) {
            this.inflater = LayoutInflater.from(context);
        }

        public Object instantiateItem(ViewGroup viewGroup, final int i) {
            View view = this.pages[i];
            if (view == null) {
                view = this.inflater.inflate(R.layout.layout_intro_page, viewGroup, false);
                ImageView imageView = (ImageView) view.findViewById(R.id.imageView);
                imageView.setImageResource(((Integer) DyIntroActivity.this.imgList.get(i)).intValue());
                this.pages[i] = view;
                imageView.setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View view2) {
                        if (i < 3) {
                            DyIntroActivity.this.viewPager.setCurrentItem(i + 1);
                            return;
                        }
                        SharedPreferencesUtil.putBoolean(DyIntroActivity.this, "isDyIntro", true);
                        BaseActivity.startIntent(DyIntroActivity.this, DyCommentActivity.class);
                        DyIntroActivity.this.finish();
                    }
                });
            }
            viewGroup.addView(view);
            return view;
        }

        public void destroyItem(ViewGroup viewGroup, int i, Object obj) {
            viewGroup.removeView(this.pages[i]);
        }

        public int getCount() {
            return this.pages.length;
        }
    }
}