RecyclerView3Activity.java

package com.example.gsyvideoplayer;

import android.graphics.Point;
import android.os.Build;
import android.os.Bundle;
import android.transition.Explode;
import android.view.View;
import android.view.Window;
import android.widget.FrameLayout;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import com.example.gsyvideoplayer.adapter.RecyclerBaseAdapter;
import com.example.gsyvideoplayer.databinding.ActivityRecyclerView2Binding;
import com.example.gsyvideoplayer.holder.RecyclerItemViewHolder;
import com.example.gsyvideoplayer.mediacodec.MediaCodecVideo;
import com.example.gsyvideoplayer.model.VideoModel;
import com.shuyu.gsyvideoplayer.GSYVideoManager;
import com.shuyu.gsyvideoplayer.listener.GSYSampleCallBack;
import com.shuyu.gsyvideoplayer.utils.CommonUtil;
import com.shuyu.gsyvideoplayer.utils.Debuger;
import com.shuyu.gsyvideoplayer.utils.GSYVideoHelper;
import com.shuyu.gsyvideoplayer.utils.GSYVideoType;

import java.util.ArrayList;
import java.util.List;


/**
 * MediaCodec
 *
 *
 *
 * 没有适配小窗口切换的，请悉知
 */
public class RecyclerView3Activity extends AppCompatActivity {

    LinearLayoutManager linearLayoutManager;

    RecyclerBaseAdapter recyclerBaseAdapter;

    List<VideoModel> dataList = new ArrayList<>();

    GSYVideoHelper smallVideoHelper;

    GSYVideoHelper.GSYVideoHelperBuilder gsySmallVideoHelperBuilder;

    int lastVisibleItem;

    int firstVisibleItem;
    ActivityRecyclerView2Binding binding;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        // 设置一个exit transition
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            getWindow().requestFeature(Window.FEATURE_CONTENT_TRANSITIONS);
            getWindow().setEnterTransition(new Explode());
            getWindow().setExitTransition(new Explode());
        }

        super.onCreate(savedInstanceState);


        binding = ActivityRecyclerView2Binding.inflate(getLayoutInflater());

        View rootView = binding.getRoot();
        setContentView(rootView);



        initView();

        binding.listItemRecycler.addOnScrollListener(new RecyclerView.OnScrollListener() {
            @Override
            public void onScrollStateChanged(@NonNull RecyclerView recyclerView, int newState) {
                super.onScrollStateChanged(recyclerView, newState);
            }

            @Override
            public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
                super.onScrolled(recyclerView, dx, dy);
                firstVisibleItem   = linearLayoutManager.findFirstVisibleItemPosition();
                lastVisibleItem = linearLayoutManager.findLastVisibleItemPosition();
                Debuger.printfLog("firstVisibleItem " + firstVisibleItem +" lastVisibleItem " + lastVisibleItem);
                //大于0说明有播放,//对应的播放列表TAG
                if (smallVideoHelper.getPlayPosition() >= 0 && smallVideoHelper.getPlayTAG().equals(RecyclerItemViewHolder.TAG)) {
                    //当前播放的位置
                    int position = smallVideoHelper.getPlayPosition();
                    //不可视的是时候
                    if ((position < firstVisibleItem || position > lastVisibleItem)) {
                        //如果是小窗口就不需要处理
                        if (!smallVideoHelper.isSmall() && !smallVideoHelper.isFull()) {
                            //小窗口
                            int size = CommonUtil.dip2px(RecyclerView3Activity.this, 150);
                            //actionbar为true才不会掉下面去
                            smallVideoHelper.showSmallVideo(new Point(size, size), true, true);
                        }
                    } else {
                        if (smallVideoHelper.isSmall()) {
                            smallVideoHelper.smallVideoToNormal();
                        }
                    }
                }
            }
        });
    }

    @Override
    protected void onStart() {
        super.onStart();

        /// 打开硬解码
        GSYVideoType.enableMediaCodec();
    }


    @Override
    protected void onDestroy() {
        super.onDestroy();

        /// 关闭硬解码
        GSYVideoType.disableMediaCodec();


        smallVideoHelper.releaseVideoPlayer();
        GSYVideoManager.releaseAllVideos();
    }

    @Override
    public void onBackPressed() {
        if (smallVideoHelper.backFromFull()) {
            return;
        }
        super.onBackPressed();
    }


    private void initView() {
        linearLayoutManager = new LinearLayoutManager(this);
        binding.listItemRecycler.setLayoutManager(linearLayoutManager);

        resolveData();

        recyclerBaseAdapter = new RecyclerBaseAdapter(this, dataList);
        binding.listItemRecycler.setAdapter(recyclerBaseAdapter);


        smallVideoHelper = new GSYVideoHelper(this, new MediaCodecVideo(this));
        smallVideoHelper.setFullViewContainer(binding.videoFullContainer);

        //配置
        gsySmallVideoHelperBuilder = new GSYVideoHelper.GSYVideoHelperBuilder();
        gsySmallVideoHelperBuilder
                .setHideActionBar(true)
                .setHideStatusBar(true)
                .setNeedLockFull(true)
                .setCacheWithPlay(true)
                .setAutoFullWithSize(false)
                .setShowFullAnimation(false)
                .setLockLand(true).setVideoAllCallBack(new GSYSampleCallBack() {
            @Override
            public void onPrepared(String url, Object... objects) {
                super.onPrepared(url, objects);
                Debuger.printfLog("Duration " + smallVideoHelper.getGsyVideoPlayer().getDuration() + " CurrentPosition " + smallVideoHelper.getGsyVideoPlayer().getCurrentPositionWhenPlaying());
            }

            @Override
            public void onQuitSmallWidget(String url, Object... objects) {
                super.onQuitSmallWidget(url, objects);
                //大于0说明有播放,//对应的播放列表TAG
                if (smallVideoHelper.getPlayPosition() >= 0 && smallVideoHelper.getPlayTAG().equals(RecyclerItemViewHolder.TAG)) {
                    //当前播放的位置
                    int position = smallVideoHelper.getPlayPosition();
                    //不可视的是时候
                    if ((position < firstVisibleItem || position > lastVisibleItem)) {
                        //释放掉视频
                        smallVideoHelper.releaseVideoPlayer();
                        recyclerBaseAdapter.notifyDataSetChanged();
                    }
                }

            }
        });

        smallVideoHelper.setGsyVideoOptionBuilder(gsySmallVideoHelperBuilder);

        recyclerBaseAdapter.setVideoHelper(smallVideoHelper, gsySmallVideoHelperBuilder);

    }

    private void resolveData() {
        for (int i = 0; i < 19; i++) {
            VideoModel videoModel = new VideoModel();
            dataList.add(videoModel);
        }
        if (recyclerBaseAdapter != null)
            recyclerBaseAdapter.notifyDataSetChanged();
    }


}