android_icecream/app/src/main/java/com/bgy/autosale/helpers/BannerMediaHelper.java

package com.bgy.autosale.helpers;

import android.content.Context;
import android.graphics.Color;
import android.media.MediaPlayer;
import android.support.constraint.ConstraintLayout;
import android.util.Log;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.VideoView;

import com.bumptech.glide.Glide;
import com.bgy.autosale.Constant;
import com.youth.banner.Banner;
import com.youth.banner.BannerConfig;
import com.youth.banner.Transformer;
import com.youth.banner.loader.ImageLoader;

import java.io.File;
import java.util.ArrayList;

/**
 * Created by cjx on 2020-06-03
 * 说明：
 */
public class BannerMediaHelper {


    private static final String TAG = "BannerMediaHelper";
    private Banner bannerView;
    private VideoView videoView;

    private boolean isVisible = true;

    public BannerMediaHelper(ViewGroup viewGroup) {
        //放图片地址的集合
        ArrayList<Object> imagePath = new ArrayList<>();
        String videoPath = null;
        String bgVoicePath = null;
        String path = Constant.DIR_BANNER;
        File dir = new File(path);
        Log.d(TAG, "BannerMediaHelper: "+dir);
        if (!dir.exists()) {
            dir.mkdirs();
        } else {
            if (dir.listFiles() != null) {
                File[] bannerFile = dir.listFiles();
                for (File f : bannerFile) {
                    String name = f.getName().toLowerCase();
                    if (name.endsWith(".mp4")) {
                        videoPath = f.getAbsolutePath();
                        break;
                    }
                    if (name.endsWith(".jpg") || name.endsWith(".png")) {
                        imagePath.add(f.getAbsolutePath());
                    } else if (name.endsWith(".mp3") && bgVoicePath == null) {
                        bgVoicePath = f.getAbsolutePath();
                    }
                }
            }
        }
        if (videoPath != null) {
            createVideoView(viewGroup, videoPath);
            return;
        }
        createImageView(viewGroup, imagePath);
        UISoundHelper.getInstance().setBgVoicePath(bgVoicePath);
        UISoundHelper.getInstance().playBgVoice();
    }

    private void createVideoView(ViewGroup view, String videoPath) {
        videoView = new VideoView(view.getContext());
        videoView.setBackgroundColor(Color.YELLOW);
        ConstraintLayout.LayoutParams lp = new ConstraintLayout.LayoutParams(0, 0);
        lp.startToStart = ConstraintLayout.LayoutParams.PARENT_ID;
        lp.topToTop = ConstraintLayout.LayoutParams.PARENT_ID;
        lp.endToEnd = ConstraintLayout.LayoutParams.PARENT_ID;
        lp.bottomToBottom = ConstraintLayout.LayoutParams.PARENT_ID;
        view.addView(videoView, 0, lp);

        videoView.setVideoPath(videoPath);
        videoView.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
            @Override
            public void onCompletion(MediaPlayer mp) {
                if (!isVisible) {
                    return;
                }
                videoView.start();
            }
        });
        videoView.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
            @Override
            public void onPrepared(MediaPlayer mp) {
                UISoundHelper.getInstance().setVideoMediaPlayer(mp);
                videoView.setOnInfoListener(new MediaPlayer.OnInfoListener() {
                    @Override
                    public boolean onInfo(MediaPlayer mp, int what, int extra) {
                        videoView.setBackgroundColor(Color.TRANSPARENT);
                        return false;
                    }
                });
            }
        });
        videoView.start();
    }

    private void createImageView(ViewGroup view, ArrayList<Object> listPath) {
        bannerView = new Banner(view.getContext());
        ConstraintLayout.LayoutParams lp = new ConstraintLayout.LayoutParams(0, 0);
        lp.startToStart = ConstraintLayout.LayoutParams.PARENT_ID;
        lp.topToTop = ConstraintLayout.LayoutParams.PARENT_ID;
        lp.endToEnd = ConstraintLayout.LayoutParams.PARENT_ID;
        lp.bottomToBottom = ConstraintLayout.LayoutParams.PARENT_ID;
        view.addView(bannerView, 0, lp);

        //设置图片加载器，图片加载器在下方
        bannerView.setImageLoader(new ImageLoader() {
            @Override
            public void displayImage(Context context, Object path, ImageView imageView) {
                Glide.with(context).load(path).into(imageView);
            }
        });
        bannerView.setBannerStyle(BannerConfig.NOT_INDICATOR);
        //设置图片网址或地址的集合
        bannerView.setImages(listPath);
        //设置轮播的动画效果，内含多种特效，可点入方法内查找后内逐一体验
        bannerView.setBannerAnimation(Transformer.Default);
        //设置轮播间隔时间
        bannerView.setDelayTime(8000);

        bannerView.start();
    }

    public void setVisible(boolean visible) {
        isVisible = visible;
        UISoundHelper.getInstance().setVisible(visible);
        if (visible) {
            start();
        } else {
            stop();
        }
    }

    private void start() {
        if (videoView != null) {
            videoView.start();
        } else {
            bannerView.startAutoPlay();
            UISoundHelper.getInstance().playBgVoice();
        }
    }

    public void stop() {
        if (videoView != null) {
            videoView.pause();
        } else {
            bannerView.stopAutoPlay();
        }
    }
}