BannerViewPager/app/src/main/java/com/example/zhpan/banner/fragment/OthersFragment.java

package com.example.zhpan.banner.fragment;

import android.graphics.Color;
import android.os.Bundle;
import android.view.View;
import android.widget.RadioButton;
import android.widget.RadioGroup;

import androidx.annotation.NonNull;

import com.blankj.utilcode.util.LogUtils;
import com.blankj.utilcode.util.ToastUtils;
import com.example.zhpan.banner.R;
import com.example.zhpan.banner.adapter.ViewBindingSampleAdapter;
import com.example.zhpan.banner.view.FigureIndicatorView;
import com.scwang.smartrefresh.header.MaterialHeader;
import com.scwang.smartrefresh.layout.SmartRefreshLayout;
import com.zhpan.bannerview.BannerViewPager;
import com.zhpan.bannerview.constants.IndicatorGravity;
import com.zhpan.bannerview.indicator.DrawableIndicator;
import com.zhpan.bannerview.utils.BannerUtils;
import com.zhpan.indicator.IndicatorView;
import com.zhpan.indicator.base.IIndicator;
import com.zhpan.indicator.enums.IndicatorSlideMode;

import java.util.List;
import java.util.Random;

/**
 * Created by zhpan on 2018/7/24.
 */
public class OthersFragment extends BaseFragment implements View.OnClickListener {

  private BannerViewPager<Integer> mViewPager;
  private RadioGroup radioGroupStyle;
  private RadioButton radioButton;
  private IndicatorView mIndicatorView;
  private SmartRefreshLayout mSmartRefreshLayout;

  public static OthersFragment getInstance() {
    return new OthersFragment();
  }

  @Override
  protected int getLayout() {
    return R.layout.fragment_others;
  }

  @Override
  protected void initTitle() {

  }

  private void initRefreshLayout(View view) {
    mSmartRefreshLayout = view.findViewById(R.id.refresh_layout);
    mSmartRefreshLayout.setRefreshHeader(new MaterialHeader(getMContext()));
    mSmartRefreshLayout.setOnRefreshListener(refreshLayout -> {
      updateData();
      mSmartRefreshLayout.finishRefresh();
    });
  }

  @Override
  protected void initView(Bundle savedInstanceState, @NonNull View view) {
    initRefreshLayout(view);
    radioButton = view.findViewById(R.id.rb_indicator_below);
    radioGroupStyle = view.findViewById(R.id.rg_indicator_style);
    mViewPager = view.findViewById(R.id.banner_view);
    view.findViewById(R.id.tv_add_data).setOnClickListener(this);
    view.findViewById(R.id.tv_remove_item).setOnClickListener(this);
    view.findViewById(R.id.tv_insert_item).setOnClickListener(this);
    mIndicatorView = view.findViewById(R.id.indicator_view);
    view.findViewById(R.id.tv_photo_view).setOnClickListener(this);
    mViewPager.setIndicatorSliderGap(BannerUtils.dp2px(6))
        .setIndicatorView(mIndicatorView)
        .registerLifecycleObserver(getLifecycle())
        .setRoundCorner(getResources().getDimensionPixelOffset(R.dimen.dp_10))
        .setOnPageClickListener((clickedView, position) -> {
          ToastUtils.showShort("position:" + position);
          int currentItem = mViewPager.getCurrentItem();
          LogUtils.e("currentItem:", currentItem + "");
        })
        .setAdapter(new ViewBindingSampleAdapter(0))
        .setOnPageClickListener(
            (clickedView, position) -> ToastUtils.showShort("Position:" + position))
        .setIndicatorSliderColor(getColor(R.color.red_normal_color),
            getColor(R.color.red_checked_color)).create(getPicList(2));
    initRadioGroup();
  }

  private void initRadioGroup() {
    radioGroupStyle.setVisibility(View.VISIBLE);
    radioGroupStyle.setOnCheckedChangeListener((group, checkedId) -> {
      if (checkedId == R.id.rb_indicator_below) {
        setIndicatorBelowOfBanner();
      } else if (checkedId == R.id.rb_dash) {
        setupCustomIndicator();
      } else if (checkedId == R.id.rb_drawable) {
        setDrawableIndicator(getDrawableIndicator());
      } else if (checkedId == R.id.rb_vector_drawable) {
        setDrawableIndicator(getVectorDrawableIndicator());
      } else if (checkedId == R.id.rb_round_corner) {
        setRoundCorner();
      }
    });
    mViewPager.post(() -> radioButton.performClick());
  }

  private void setRoundCorner() {
    int dp36 = getResources().getDimensionPixelOffset(R.dimen.dp_36);
    mViewPager
        .setRoundCorner(dp36, 0, 0, dp36)
        .create(getPicList(4));
  }

  private void setDrawableIndicator(IIndicator indicator) {
    mIndicatorView.setVisibility(View.INVISIBLE);
    mViewPager
        .setIndicatorView(indicator)
        .setIndicatorSlideMode(IndicatorSlideMode.NORMAL)
        .setIndicatorVisibility(View.VISIBLE)
        .setIndicatorGravity(IndicatorGravity.CENTER)
        .refreshData(getPicList(4));
  }

  private void setIndicatorBelowOfBanner() {
    mIndicatorView.setVisibility(View.VISIBLE);
    mViewPager
        .setIndicatorVisibility(View.GONE)
        .setIndicatorSlideMode(IndicatorSlideMode.SMOOTH)
        .setIndicatorView(mIndicatorView)
        .refreshData(getPicList(4));
  }

  private void setupCustomIndicator() {
    mIndicatorView.setVisibility(View.INVISIBLE);
    mViewPager.setAutoPlay(true).setCanLoop(true)
        .setIndicatorSlideMode(IndicatorSlideMode.NORMAL)
        .setIndicatorVisibility(View.VISIBLE)
        .setIndicatorGravity(IndicatorGravity.END)
        .setIndicatorView(setupIndicatorView()).refreshData(getPicList(4));
  }

  private IIndicator getDrawableIndicator() {
    int dp10 = getResources().getDimensionPixelOffset(R.dimen.dp_10);
    return new DrawableIndicator(getContext())
        .setIndicatorGap(getResources().getDimensionPixelOffset(R.dimen.dp_2_5))
        .setIndicatorDrawable(R.drawable.heart_empty, R.drawable.heart_red)
        .setIndicatorSize(dp10, dp10, dp10, dp10);
  }

  private IIndicator getVectorDrawableIndicator() {
    int dp6 = getResources().getDimensionPixelOffset(R.dimen.dp_6);
    return new DrawableIndicator(getContext())
        .setIndicatorGap(getResources().getDimensionPixelOffset(R.dimen.dp_2_5))
        .setIndicatorDrawable(R.drawable.banner_indicator_nornal, R.drawable.banner_indicator_focus)
        .setIndicatorSize(dp6, dp6, getResources().getDimensionPixelOffset(R.dimen.dp_13), dp6);
  }

  /**
   * 这里可以是自定义的Indicator，需要继承BaseIndicatorView或者实现IIndicator接口;
   */
  private IIndicator setupIndicatorView() {
    FigureIndicatorView indicatorView = new FigureIndicatorView(getMContext());
    indicatorView.setRadius(getResources().getDimensionPixelOffset(R.dimen.dp_18));
    indicatorView.setTextSize(getResources().getDimensionPixelSize(R.dimen.sp_13));
    indicatorView.setBackgroundColor(Color.parseColor("#aa118EEA"));
    return indicatorView;
  }

  private void updateData() {
    List<Integer> picList = getPicList(new Random().nextInt(5) - 1);
    ToastUtils.showShort("size=" +picList.size());
    mViewPager.refreshData(picList);
  }

  @Override
  public void onClick(View view) {
    if (view.getId() == R.id.tv_add_data) {
      addData();
    } else if (view.getId() == R.id.tv_remove_item) {
      removeItem();
    } else if (view.getId() == R.id.tv_insert_item) {
      insertItem();
    } else {
      int position = new Random().nextInt(5);
      mViewPager.setCurrentItem(position, true);
      ToastUtils.showShort("Jump to position:" + position);
    }
  }

  private void addData() {
    mViewPager.addData(getPicList(2));
    ToastUtils.showShort("size=" + mViewPager.getData().size());
  }

  private void insertItem() {
    Integer item = getPicList(0).get(0);
    mViewPager.insertItem(mViewPager.getData().size(), item);
  }

  private void removeItem() {
    mViewPager.removeItem(mViewPager.getData().size() - 1);
  }
}