重新写了banner，还是继续使用之前的viewpager。

banner/src/main/java/com/widget/imagebanner/ImageVideoBanner.java

@@ -8,25 +8,24 @@ import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
 
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.fragment.app.Fragment;
-import androidx.fragment.app.FragmentActivity;
-import androidx.fragment.app.FragmentManager;
-import androidx.lifecycle.Lifecycle;
-import androidx.viewpager2.adapter.FragmentStateAdapter;
-import androidx.viewpager2.widget.ViewPager2;
-
 import android.util.AttributeSet;
-import android.util.LayoutDirection;
 import android.view.LayoutInflater;
 import android.view.MotionEvent;
 import android.view.View;
 import android.widget.FrameLayout;
 
-import com.widget.imagebanner.view.ImageVideoFragment;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentActivity;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentStatePagerAdapter;
+
+import com.widget.imagebanner.R;
 import com.widget.imagebanner.bean.BannerBean;
 import com.widget.imagebanner.utils.BitmapUtils;
+import com.widget.imagebanner.view.ImageVideoFragment;
+import com.widget.imagebanner.view.ViewPager;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -41,9 +40,9 @@ import java.util.concurrent.ScheduledExecutorService;
 import wseemann.media.FFmpegMediaMetadataRetriever;
 
 
-public class ImageVideoBanner extends FrameLayout implements ImageVideoFragment.OnVideoCompletionListener {
+public class ImageVideoBanner extends FrameLayout implements ViewPager.OnPageChangeListener, ImageVideoFragment.OnVideoCompletionListener {
     private static final int UPTATE_VIEWPAGER = 0;
-    private ViewPager2 mViewPager;
+    private ViewPager mViewPager;
     private List<BannerBean> mList = new ArrayList<>();
     private ViewsPagerAdapter mAdapter;
     private int autoCurrIndex = 0;//设置当前 第几个图片 被选中
@@ -72,8 +71,9 @@ public class ImageVideoBanner extends FrameLayout implements ImageVideoFragment.
     private void initView(Context context) {
         View view = LayoutInflater.from(context).inflate(R.layout.banner_imge_video, this, true);
         mViewPager = view.findViewById(R.id.view_pager);
-        mAdapter = new ViewsPagerAdapter(((FragmentActivity) context).getSupportFragmentManager(), ((FragmentActivity) context).getLifecycle());
+        mAdapter = new ViewsPagerAdapter(((FragmentActivity) context).getSupportFragmentManager());
         mViewPager.setAdapter(mAdapter);
+        mViewPager.setOnPageChangeListener(this);
         //ViewPager手势滑动禁用
         mViewPager.setOnTouchListener(new OnTouchListener() {
             @Override
@@ -81,18 +81,15 @@ public class ImageVideoBanner extends FrameLayout implements ImageVideoFragment.
                 return true;
             }
         });
-        mViewPager.registerOnPageChangeCallback(callback);
 
 
     }
 
-    public void setData(List<com.widget.imagebanner.bean.BannerBean> listBean) {
-        if (listBean != null) {
-            mAdapter.setData(listBean);
-        }
+    public void replaceData(List<BannerBean> listBean) {
+        mAdapter.replaceData(listBean);
     }
 
-    public void addData(List<com.widget.imagebanner.bean.BannerBean> listBean) {
+    public void addData(List<BannerBean> listBean) {
         mAdapter.addData(listBean);
     }
 
@@ -132,6 +129,7 @@ public class ImageVideoBanner extends FrameLayout implements ImageVideoFragment.
                         mmr.extractMetadata(FFmpegMediaMetadataRetriever.METADATA_KEY_ARTIST);
                         Bitmap b = mmr.getFrameAtTime(); // frame at 2 seconds
                         bannerBean.setLoadingImage(BitmapUtils.getBytes(b));
+                        b.recycle();
                         mmr.release();
                     }
                     return true;
@@ -149,29 +147,26 @@ public class ImageVideoBanner extends FrameLayout implements ImageVideoFragment.
         }
     }
 
-    private ViewPager2.OnPageChangeCallback callback = new ViewPager2.OnPageChangeCallback() {
 
-        @Override
-        public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
+    @Override
+    public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
 
-        }
+    }
 
-        @Override
-        public void onPageSelected(int position) {
-            autoCurrIndex = position;
+    @Override
+    public void onPageSelected(int position) {
+        autoCurrIndex = position;
 //        Toast.makeText(context,"position="+position,Toast.LENGTH_SHORT).show();
-            if (mList.get(position).getType() == 1) {
-                //如果是视频
-                stopBanner();
-            }
+        if (mList.get(position).getType() == 1) {
+            //如果是视频
+            stopBanner();
         }
+    }
 
-        @Override
-        public void onPageScrollStateChanged(int state) {
-
-        }
-    };
+    @Override
+    public void onPageScrollStateChanged(int state) {
 
+    }
 
     //定时轮播图片，需要在主线程里面修改 UI
     private Handler mHandler = new Handler() {
@@ -209,10 +204,8 @@ public class ImageVideoBanner extends FrameLayout implements ImageVideoFragment.
 
     public void startBanner() {
         //如果第一页是视频  不用定时器
-        if (mList.size() > 0) {
-            if (mList.get(0).getType() == 0) {
-                startBanner(period);
-            }
+        if (mList.get(0).getType() == 0) {
+            startBanner(period);
         }
     }
 
@@ -252,22 +245,20 @@ public class ImageVideoBanner extends FrameLayout implements ImageVideoFragment.
         startBanner(0);
     }
 
-    private final class ViewsPagerAdapter extends FragmentStateAdapter {
+    private final class ViewsPagerAdapter extends FragmentStatePagerAdapter {
         private ImageVideoFragment fragment;
         private FragmentManager fm;
 
-        public ViewsPagerAdapter(@NonNull FragmentManager fragmentManager, @NonNull Lifecycle lifecycle) {
-            super(fragmentManager, lifecycle);
-            this.fm = fragmentManager;
+        public ViewsPagerAdapter(FragmentManager fm) {
+            super(fm);
+            this.fm = fm;
         }
 
-
-        @NonNull
         @Override
-        public Fragment createFragment(int position) {
+        public Fragment getItem(int position) {
             fragment = new ImageVideoFragment();
             fragment.setOnVideoCompletionListener(ImageVideoBanner.this);
-            com.widget.imagebanner.bean.BannerBean bannerBean = mList.get(position);
+            BannerBean bannerBean = mList.get(position);
             Bundle bundle = new Bundle();
             bundle.putSerializable("bannerBean", bannerBean);
             bundle.putBoolean("loop", getLoop());
@@ -275,11 +266,6 @@ public class ImageVideoBanner extends FrameLayout implements ImageVideoFragment.
             return fragment;
         }
 
-        @Override
-        public int getItemCount() {
-            return mList.size();
-        }
-
         /**
          * 只有1个视频的时候循环播放
          *
@@ -292,17 +278,37 @@ public class ImageVideoBanner extends FrameLayout implements ImageVideoFragment.
             return false;
         }
 
-        public void setData(@NonNull List<BannerBean> listBean) {
+        @Override
+        public int getCount() {
+            return mList.size();
+        }
+
+        @Override
+        public int getItemPosition(Object object) {
+            if (mList.size() > 0) {
+                return POSITION_NONE;
+            }
+            return super.getItemPosition(object);
+        }
+
+        public void replaceData(List<BannerBean> listBean) {
             // 新数据和原来数据对比，不一致才去刷新
             boolean change = compareData(listBean);
             if (!change) {
                 notifyDataSetChanged();
+//                startBanner();
                 return;
             }
-            mList.clear();
-            addData(listBean);
-            notifyDataSetChanged();
-            autoCurrIndex = 0;
+            if (null != listBean) {
+                mList.clear();
+                addData(listBean);
+                //如果第一张是图片 需要开启定时器
+                if (listBean.get(0).getType() == 0) {
+                    startBanner();
+                }
+                autoCurrIndex = 0;
+//                startBanner();
+            }
         }
 
 

banner/src/main/java/com/widget/imagebanner/view/ImageVideoFragment.java

@@ -7,10 +7,6 @@ import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
 
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.fragment.app.Fragment;
-
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -19,12 +15,17 @@ import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.VideoView;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+
 import com.bumptech.glide.Glide;
 import com.widget.imagebanner.R;
 import com.widget.imagebanner.bean.BannerBean;
 import com.widget.imagebanner.utils.BannerLogFileUtils;
 import com.widget.imagebanner.utils.BitmapUtils;
 
+
 import java.io.File;
 
 
@@ -268,7 +269,7 @@ public class ImageVideoFragment extends Fragment {
     private void pausePlayer() {
         if (null != mVideoView) {
             Log.e(TAG, "pausePlayer 当前进度是" + mVideoView.getCurrentPosition());
-            mVideoView.setBackgroundColor(getResources().getColor(android.R.color.white));
+            mVideoView.setBackgroundColor(Color.WHITE);
             playerPaused = true;
             this.currentPosition = mVideoView.getCurrentPosition();
             mVideoView.pause();

banner/src/main/res/layout/banner_imge_video.xml

@@ -4,7 +4,7 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
-    <androidx.viewpager2.widget.ViewPager2
+    <com.widget.imagebanner.view.ViewPager
         android:id="@+id/view_pager"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"