处理展示效率问题

吴奎庆
1 parent be88f8c1
Showing 13 changed files with 378 additions and 57 deletions
app/src/main/java/com/cnlive/strike/debug/MainActivity.java
lib_media/src/main/java/com/cnlive/media/PickerConfig.java
lib_media/src/main/java/com/cnlive/media/frame/view/MediaPickerFragmentView.java
lib_media/src/main/java/com/cnlive/media/media/entity/Media.java
lib_media/src/main/java/com/cnlive/media/media/loader/ImageLoader.java
lib_media/src/main/java/com/cnlive/media/media/loader/MediaLoader.java
lib_media/src/main/java/com/cnlive/media/media/loader/VideoLoader.java
lib_media/src/main/java/com/cnlive/media/ui/activity/MediaActivity.java
lib_media/src/main/java/com/cnlive/media/ui/adapter/MediaAdapter.java
lib_media/src/main/java/com/cnlive/media/ui/adapter/PreviewBottomAdapter.java
lib_media/src/main/java/com/cnlive/media/ui/adapter/PreviewBottomMediaAdapter.java
lib_media/src/main/java/com/cnlive/media/utils/GlideCacheUtil.java
lib_media/src/main/java/com/cnlive/media/utils/ThumbnailsUtils.java
@@ -66,7 +66,7 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
             case R.id.tv_media:
                 //打开相册
                 new ImagePicker.Builder()
-                        .maxNum(1)
+                        .maxNum(9)
                         .setSelectGif(true)
                         .maxImageSize(25 * 1024 * 1024)
                         .maxVideoSize(100*1024*1024)
@@ -48,7 +48,7 @@ public class PickerConfig {
     //视频选一个 图片选九个
     public static final int PICKER_ONE_VIDEO_TYPE = 103;
     //展示图片的列数行数
-    public static int GridSpanCount = 3;
+    public static int GridSpanCount = 4;
     public static int GridSpace = 4;
     //裁剪请求码
@@ -2,6 +2,7 @@ package com.cnlive.media.frame.view;
 import android.os.Build;
 import android.text.TextUtils;
+import android.util.Log;
 import androidx.annotation.RequiresApi;
 import androidx.recyclerview.widget.GridLayoutManager;
@@ -61,18 +62,20 @@ public class MediaPickerFragmentView implements MvpView {
         //如果可以确定每个item的高度是固定的，设置这个选项可以提高性能
         mFragment.binding.rv.setHasFixedSize(true);
-        mFragment.binding.rv.addOnScrollListener(new RecyclerView.OnScrollListener() {
-            @RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN_MR1)
-            @Override
-            public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
-                super.onScrollStateChanged(recyclerView, newState);
-                if (RecyclerView.SCROLL_STATE_IDLE == newState) {
-                    Glide.with(recyclerView).resumeRequests();
-                } else {
-                    Glide.with(recyclerView).pauseRequests();
-                }
-            }
-        });
+//        mFragment.binding.rv.addOnScrollListener(new RecyclerView.OnScrollListener() {
+//            @RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN_MR1)
+//            @Override
+//            public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
+//                super.onScrollStateChanged(recyclerView, newState);
+//                if (RecyclerView.SCROLL_STATE_IDLE == newState) {
+//                    Glide.with(recyclerView).resumeRequests();
+//                    Log.e("","");
+//                } else {
+//                    Log.e("","");
+//                    Glide.with(recyclerView).pauseRequests();
+//                }
+//            }
+//        });
         mFragment.mMediaAdapter = new MediaAdapter(mFragment.getActivity(), mActivity.showTime, mActivity.mOptions);
         mFragment.binding.rv.setAdapter(mFragment.mMediaAdapter);
@@ -29,6 +29,7 @@ public class Media  implements Parcelable  {
     //
     public boolean isReturnUri;
     public String fileUri;
+    public String thumbnails;
     //是否选中
     public boolean isSelect;
@@ -128,7 +128,8 @@ public class ImageLoader extends LoaderM implements LoaderManager.LoaderCallback
             media.setImgHeight(height);
             media.setLongImg(MediaUtils.isLongImg(media));
             allFolder.addMedias(media);
-
+//            String thumbnails = cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Images.Thumbnails.DATA));
+//            media.thumbnails=thumbnails;
             int index = hasDir(folders, dirName);
             if (index != -1) {
                 folders.get(index).addMedias(media);
 package com.cnlive.media.media.loader;
 import android.app.LoaderManager;
+import android.content.ContentResolver;
 import android.content.Context;
 import android.content.CursorLoader;
 import android.content.Loader;
 import android.database.Cursor;
+import android.graphics.Bitmap;
 import android.net.Uri;
 import android.os.Bundle;
 import android.provider.MediaStore;
 import android.text.TextUtils;
+import android.util.Log;
+import android.util.Size;
 import com.cnlive.media.media.DataCallback;
 import com.cnlive.media.media.entity.Folder;
 import com.cnlive.media.media.entity.Media;
+import com.cnlive.media.utils.AndroidQUtil;
 import com.cnlive.media.utils.MediaUtils;
 import com.cnlive.media.R;
@@ -71,7 +76,9 @@ public class MediaLoader extends LoaderM implements LoaderManager.LoaderCallback
                 + MediaStore.Files.FileColumns.MEDIA_TYPE + "="
                 + MediaStore.Files.FileColumns.MEDIA_TYPE_VIDEO;
+
         Uri queryUri = MediaStore.Files.getContentUri("external");
+
         CursorLoader cursorLoader = new CursorLoader(
                 mContext,
                 queryUri,
@@ -90,6 +97,7 @@ public class MediaLoader extends LoaderM implements LoaderManager.LoaderCallback
             mLoader.onData(folders);
             return;
         }
+
         Folder allFolder = new Folder(mContext.getResources().getString(R.string.all_dir_name));
         folders.add(allFolder);
         Folder allVideoDir = new Folder(mContext.getResources().getString(R.string.video_dir_name));
@@ -131,6 +139,12 @@ public class MediaLoader extends LoaderM implements LoaderManager.LoaderCallback
                 allFolder.addMedias(media);
                 if (mediaType == 3) {
                     allVideoDir.addMedias(media);
+//                    String thumbnails = cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Video.Thumbnails.DATA));
+//                    ContentResolver contentResolver = mContext.getContentResolver();
+//                    media.thumbnails = thumbnails;
+                } else if (mediaType == 1) {
+//                    String thumbnails = cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Images.Thumbnails.DATA));
+//                    media.thumbnails = thumbnails;
                 }
                 int index = hasDir(folders, dirName);
@@ -87,7 +87,6 @@ public class VideoLoader extends LoaderM implements LoaderManager.LoaderCallback
         Folder allFolder = new Folder(mContext.getResources().getString(R.string.all_video));
         folders.add(allFolder);
         Cursor cursor = (Cursor) o;
-        Log.e("dmc", cursor.getCount() + "数量数量");
         while (cursor.moveToNext()) {
             //获取的视频路径
             String path = cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Files.FileColumns.DATA));
@@ -112,6 +111,8 @@ public class VideoLoader extends LoaderM implements LoaderManager.LoaderCallback
             String dirName = getParent(path);
             if (TextUtils.isEmpty(dirName)) continue;
             Media media = new Media(path, name, dateTime, mediaType, size, id, dirName, duration, fileUri);
+//            String thumbnails = cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Video.Thumbnails.DATA));
+//            media.thumbnails=thumbnails;
             allFolder.addMedias(media);
             int index = hasDir(folders, dirName);
@@ -28,6 +28,7 @@ import com.cnlive.media.model.ImagePickerOptions;
 import com.cnlive.media.ui.adapter.FolderAdapter;
 import com.cnlive.media.ui.fragment.MediaPickerFragment;
 import com.cnlive.media.ui.fragment.MediaPreviewFragment;
+import com.cnlive.media.utils.ThumbnailsUtils;
 import com.cnlive.media.utils.observable.MediaAddObservable;
 import com.cnlive.media.utils.observable.MediaOpenActivityObservable;
 import com.cnlive.media.utils.observable.MediaOpenInfo;
@@ -140,11 +141,11 @@ public class MediaActivity extends MvpBindingActivity&lt;MediaView, MediaPresenter,
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         //初始化携带数据
+
         if (getPresenter() != null) getPresenter().initIntentData(this);
         if (getMvpView() != null) getMvpView().initView();
         getSupportFragmentManager().beginTransaction().add(R.id.frame, MediaPickerFragment.newInstanse(), MEDIA_HOME).addToBackStack("").commit();
         getMediaData();
-
     }
     void getMediaData() {
@@ -152,6 +153,7 @@ public class MediaActivity extends MvpBindingActivity&lt;MediaView, MediaPresenter,
                 .checkPermissions(this, permissionsRead, REQUEST_CODE_PERMISSION_READ, getResources().getString(R.string.dialog_imagepicker_permission_sdcard_nerver_ask_message), true);
         if (hasPermissions) {
             if (needCrop && singlePick) {
+//                ThumbnailsUtils.getThumbnails(this);
                 selectMode = PickerConfig.PICKER_IMAGE;
             }
             int type = selectMode;
 package com.cnlive.media.ui.adapter;
+import android.content.ContentResolver;
 import android.content.Context;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -118,6 +119,9 @@ public class MediaAdapter extends BaseRecyclerViewAdapter&lt;Media&gt; {
     private void showMedia(MediaViewHolder mediaViewHolder, int position) {
         Media mMedia = getItem(position);
         binding = (MediaImageItemBinding) mediaViewHolder.getBinding();
+
+//        ContentResolver resolver = mContxt.getContentResolver();
+//        resolver.loadThumbnail()
         GlideCacheUtil.intoItemImageThumbnail(mContext, mMedia, binding.mediaImage, null);
         if (mMedia.mediaType == 1) {
             binding.videoInfo.setVisibility(View.GONE);
@@ -52,7 +52,7 @@ public class PreviewBottomAdapter extends RecyclerView.Adapter&lt;PreviewBottomAdap
     @Override
     public void onBindViewHolder(final ViewHolder holder, final int position) {
         //填充图片
-        GlideCacheUtil.intoItemImage(context, mItems.get(position), holder.rv_item_image, null);
+        GlideCacheUtil.intoItemImageThumbnail(context, mItems.get(position), holder.rv_item_image, null);
         if (selectedPosition == position) {
             holder.rv_item_image.setBackgroundResource(R.drawable.shape_green_square_bg);
@@ -53,7 +53,7 @@ public class PreviewBottomMediaAdapter extends BaseRecyclerViewAdapter&lt;Media&gt; {
     public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
         MediaViewHolder mediaViewHolder = (MediaViewHolder) holder;
         MediaPreviewBottomBarItemBinding bottomBarItemBinding = (MediaPreviewBottomBarItemBinding) mediaViewHolder.getBinding();
-        GlideCacheUtil.intoItemImage(context, getItem(position), bottomBarItemBinding.bottomItemImageView, null);
+        GlideCacheUtil.intoItemImageThumbnail(context, getItem(position), bottomBarItemBinding.bottomItemImageView, null);
         if (isPre) {
             if (selectedPosition == position) {
                 bottomBarItemBinding.bottomItemImageView.setBackgroundResource(R.drawable.shape_green_square_bg);
 package com.cnlive.media.utils;
 import android.annotation.SuppressLint;
+import android.content.ContentResolver;
 import android.content.Context;
+import android.database.Cursor;
 import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
 import android.net.Uri;
+import android.os.Build;
 import android.os.Looper;
+import android.provider.MediaStore;
 import android.text.TextUtils;
 import android.util.Log;
+import android.util.Size;
 import android.view.View;
 import android.widget.ImageView;
 import android.widget.ProgressBar;
 import androidx.annotation.Nullable;
+import androidx.annotation.RequiresApi;
 import com.bumptech.glide.Glide;
 import com.bumptech.glide.RequestBuilder;
@@ -30,6 +37,14 @@ import com.cnlive.media.R;
 import java.io.File;
 import java.math.BigDecimal;
+import io.reactivex.Observable;
+import io.reactivex.ObservableEmitter;
+import io.reactivex.ObservableOnSubscribe;
+import io.reactivex.Observer;
+import io.reactivex.android.schedulers.AndroidSchedulers;
+import io.reactivex.disposables.Disposable;
+import io.reactivex.schedulers.Schedulers;
+
 /**
  * Created by Lynn on 2018/1/19.
  */
@@ -216,7 +231,7 @@ public class GlideCacheUtil {
             if (media.mediaType == 1) {
                 option = option
                         .error(R.drawable.iv_imgload_full_err);
-            }else  if (media.mediaType == 1){
+            } else if (media.mediaType == 1) {
                 option = option
                         .error(R.drawable.iv_imgload_full_err);
                 view.setScaleType(ImageView.ScaleType.CENTER_CROP);
@@ -250,9 +265,8 @@ public class GlideCacheUtil {
     }
-
     @SuppressLint("CheckResult")
-    public static void intoItemImageListener(Context context, Media media, ImageView view, RequestListener  listener) {
+    public static void intoItemImageListener(Context context, Media media, ImageView view, RequestListener listener) {
         if (context == null || media == null || view == null) return;
         RequestOptions option = new RequestOptions();
@@ -275,7 +289,7 @@ public class GlideCacheUtil {
                 option = option
                         .error(R.drawable.iv_imgload_full_err);
                 view.setScaleType(ImageView.ScaleType.CENTER_CROP);
-            }else  if (media.mediaType == 3){
+            } else if (media.mediaType == 3) {
                 option = option
                         .error(R.drawable.iv_imgload_full_err);
@@ -287,68 +301,302 @@ public class GlideCacheUtil {
                 rb = rb == null ? rm.load(media.path) : rb.load(media.path);
             }
-            rb.listener( listener).apply(option).into(view);
+            rb.listener(listener).apply(option).into(view);
         } catch (Exception e) {
         }
     }
-    static  long   start=0;
     @SuppressLint("CheckResult")
     public static void intoItemImageThumbnail(Context context, Media media, ImageView view, ProgressBar loading) {
         if (context == null || media == null || view == null) return;
-
         RequestOptions option = new RequestOptions();
-
         try {
             Uri mediaUri = Uri.parse(media.fileUri);
-
-            RequestManager rm = Glide.with(context);
-            RequestBuilder rb = null;
-
             view.setScaleType(ImageView.ScaleType.CENTER_CROP);
-
             if (FileTypeUtil.isGif(media.path)) {
-//                rb = rm.asGif();
             } else {
                 option = option
-                        .diskCacheStrategy(DiskCacheStrategy.RESOURCE)
+                        .diskCacheStrategy(DiskCacheStrategy.AUTOMATIC)
                         .dontAnimate();
             }
-
             if (media.mediaType == 1) {
-                option = option
-                        .error(R.drawable.iv_imgload_full_err);
+                option = option.error(R.drawable.iv_imgload_full_err);
             }
-
             if (AndroidQUtil.isAndroidQ()) {
-                rb = rb == null ? rm.load(mediaUri) : rb.load(mediaUri);
+                showAndroidQ(context, media.mediaType, mediaUri, view, loading, option);
             } else {
-                rb = rb == null ? rm.load(media.path) : rb.load(media.path);
+                if (media.mediaType == 1) {
+                    showNoAndroidQ(context, media.mediaType, media.path, view, loading, option);
+//                    showImageThumbnail(context, media.mediaType, media.id, media.path, view, loading, option);
+                } else if (media.mediaType == 3) {
+//                    showNoAndroidQ(context, media.mediaType, media.path, view, loading, option);
+                    showVideoThumbnail(context, media.mediaType, media.id, media.path, view, loading, option);
+                }
+
             }
-            rb.thumbnail(0.5f);
-            rb.listener(new RequestListener() {
-                @Override
-                public boolean onLoadFailed(@Nullable GlideException e, Object model, Target target, boolean isFirstResource) {
-                    view.setScaleType(ImageView.ScaleType.CENTER);
-                    if (loading != null) loading.setVisibility(View.GONE);
-                    return false;
+
+        } catch (Exception e) {
+            if (loading != null) loading.setVisibility(View.GONE);
+        }
+    }
+
+    private static void showAndroidQ(Context context, int mediaType, Uri mediaUri, ImageView view, ProgressBar loading, RequestOptions option) {
+        Observable.create(new ObservableOnSubscribe<Bitmap>() {
+            @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
+            @Override
+            public void subscribe(ObservableEmitter<Bitmap> emitter) throws Exception {
+                ContentResolver contentResolver = context.getContentResolver();
+                Bitmap bm = contentResolver.loadThumbnail(mediaUri, new Size(100, 100), null);
+                emitter.onNext(bm);
+            }
+        }).subscribeOn(Schedulers.io()).observeOn(AndroidSchedulers.mainThread()).subscribe(new Observer<Bitmap>() {
+            @Override
+            public void onSubscribe(Disposable d) {
+
+            }
+
+            @Override
+            public void onNext(Bitmap bm) {
+
+                RequestBuilder rb = Glide.with(context).load(bm);
+                rb.listener(new RequestListener() {
+                    @Override
+                    public boolean onLoadFailed(@Nullable GlideException e, Object model, Target target, boolean isFirstResource) {
+                        view.setScaleType(ImageView.ScaleType.CENTER);
+                        if (loading != null) loading.setVisibility(View.GONE);
+                        return false;
+                    }
+
+                    @Override
+                    public boolean onResourceReady(Object resource, Object model, Target target, DataSource dataSource, boolean isFirstResource) {
+                        if (loading != null) loading.setVisibility(View.GONE);
+                        return false;
+                    }
+                });
+
+                rb.apply(option).into(view);
+            }
+
+            @Override
+            public void onError(Throwable e) {
+                if (loading != null) loading.setVisibility(View.GONE);
+            }
+
+            @Override
+            public void onComplete() {
+
+            }
+        });
+    }
+
+
+    private static void showNoAndroidQ(Context context, int mediaType, String path, ImageView view, ProgressBar loading, RequestOptions option) {
+        Observable.create(new ObservableOnSubscribe<String>() {
+            @Override
+            public void subscribe(ObservableEmitter<String> emitter) throws Exception {
+
+                if (TextUtils.isEmpty(path)) {
+                    emitter.onError(new Throwable(""));
+                } else {
+                    emitter.onNext(path);
                 }
-                @Override
-                public boolean onResourceReady(Object resource, Object model, Target target, DataSource dataSource, boolean isFirstResource) {
-                    if (loading != null) loading.setVisibility(View.GONE);
+            }
+        }).subscribeOn(Schedulers.io()).observeOn(AndroidSchedulers.mainThread()).subscribe(new Observer<String>() {
+            @Override
+            public void onSubscribe(Disposable d) {
-                    Log.e("加载:",System.currentTimeMillis()-start+"");
-                    return false;
+            }
+
+            @Override
+            public void onNext(String thumbnails) {
+                RequestBuilder rb = Glide.with(context).load(thumbnails);
+                rb.listener(new RequestListener() {
+                    @Override
+                    public boolean onLoadFailed(@Nullable GlideException e, Object model, Target target, boolean isFirstResource) {
+                        view.setScaleType(ImageView.ScaleType.CENTER);
+                        if (loading != null) loading.setVisibility(View.GONE);
+                        return false;
+                    }
+
+                    @Override
+                    public boolean onResourceReady(Object resource, Object model, Target target, DataSource dataSource, boolean isFirstResource) {
+                        if (loading != null) loading.setVisibility(View.GONE);
+                        return false;
+                    }
+                });
+
+                rb.apply(option).into(view);
+            }
+
+            @Override
+            public void onError(Throwable e) {
+                if (loading != null) loading.setVisibility(View.GONE);
+            }
+
+            @Override
+            public void onComplete() {
+
+            }
+        });
+    }
+
+    private static void showVideoThumbnail(Context context, int mediaType, int id, String path, ImageView view, ProgressBar loading, RequestOptions option) {
+        Observable.create(new ObservableOnSubscribe<Bitmap>() {
+            @Override
+            public void subscribe(ObservableEmitter<Bitmap> emitter) throws Exception {
+                Bitmap bm = null;
+                if (mediaType == 1) {
+                    bm = getImageThumbnail(context, id + "");
+                    emitter.onNext(bm);
+                } else if (mediaType == 3) {
+                    bm = getVideoThumbnail(context, id + "");
+                    emitter.onNext(bm);
                 }
-            });
-            rb.apply(option).into(view);
-            start= System.currentTimeMillis();
+
+            }
+        }).subscribeOn(Schedulers.io()).observeOn(AndroidSchedulers.mainThread()).subscribe(new Observer<Bitmap>() {
+            @Override
+            public void onSubscribe(Disposable d) {
+
+            }
+
+            @Override
+            public void onNext(Bitmap thumbnails) {
+                if (thumbnails != null) {
+                    showThumbnail(context, thumbnails, view, loading, option);
+                } else {
+                    showNoAndroidQ(context, mediaType, path, view, loading, option);
+                }
+
+            }
+
+            @Override
+            public void onError(Throwable e) {
+                if (loading != null) loading.setVisibility(View.GONE);
+            }
+
+            @Override
+            public void onComplete() {
+
+            }
+        });
+    }
+
+
+    private static void showImageThumbnail(Context context, int mediaType, int id, String path, ImageView view, ProgressBar loading, RequestOptions option) {
+        Observable.create(new ObservableOnSubscribe<Bitmap>() {
+            @Override
+            public void subscribe(ObservableEmitter<Bitmap> emitter) throws Exception {
+                Bitmap bm = null;
+                if (mediaType == 1) {
+                    bm = getImageThumbnail(context, id + "");
+                    emitter.onNext(bm);
+                }
+
+
+            }
+        }).subscribeOn(Schedulers.io()).observeOn(AndroidSchedulers.mainThread()).subscribe(new Observer<Bitmap>() {
+            @Override
+            public void onSubscribe(Disposable d) {
+
+            }
+
+            @Override
+            public void onNext(Bitmap thumbnails) {
+                if (thumbnails != null) {
+                    showThumbnail(context, thumbnails, view, loading, option);
+                } else {
+                    showNoAndroidQ(context, mediaType, path, view, loading, option);
+                }
+
+            }
+
+            @Override
+            public void onError(Throwable e) {
+                if (loading != null) loading.setVisibility(View.GONE);
+            }
+
+            @Override
+            public void onComplete() {
+
+            }
+        });
+    }
+
+    private static void showThumbnail(Context context, Bitmap bm, ImageView view, ProgressBar loading, RequestOptions option) {
+        RequestBuilder rb = Glide.with(context).load(bm);
+        rb.listener(new RequestListener() {
+            @Override
+            public boolean onLoadFailed(@Nullable GlideException e, Object model, Target target, boolean isFirstResource) {
+                view.setScaleType(ImageView.ScaleType.CENTER);
+                if (loading != null) loading.setVisibility(View.GONE);
+                return false;
+            }
+
+            @Override
+            public boolean onResourceReady(Object resource, Object model, Target target, DataSource dataSource, boolean isFirstResource) {
+                if (loading != null) loading.setVisibility(View.GONE);
+                return false;
+            }
+        });
+
+        rb.apply(option).into(view);
+    }
+
+
+    public static Bitmap getVideoThumbnail(Context context, String videoId) {
+        Cursor thumbCursor = null;
+        Bitmap bitmap = null;
+        try {
+            thumbCursor = context.getApplicationContext().getContentResolver().query(
+                    MediaStore.Video.Thumbnails.EXTERNAL_CONTENT_URI,
+                    null, MediaStore.Video.Thumbnails.VIDEO_ID
+                            + "=" + videoId, null, null);
+            if (thumbCursor.moveToFirst()) {
+                String albumPath = thumbCursor.getString(thumbCursor.getColumnIndex(MediaStore.Video.Thumbnails.DATA));
+                bitmap = BitmapFactory.decodeFile(albumPath);
+                return bitmap;
+            }
         } catch (Exception e) {
-            if (loading != null) loading.setVisibility(View.GONE);
+            return bitmap;
+        } finally {
+            if (thumbCursor != null)
+                thumbCursor.close();
+            return bitmap;
+        }
+    }
+
+    public static Bitmap getImageThumbnail(Context context, String videoId) {
+        Bitmap bitmap = null;
+        Cursor thumbCursor = null;
+
+
+//        String[] projection = {MediaStore.Images.Thumbnails._ID, MediaStore.Images.Thumbnails.IMAGE_ID,
+//                MediaStore.Images.Thumbnails.DATA};
+//
+//        Cursor cursor = context.getContentResolver().query(MediaStore.Images.Thumbnails.EXTERNAL_CONTENT_URI, projection, null, null, null);
+//
+
+        try {
+            thumbCursor = context.getApplicationContext().getContentResolver().query(
+                    MediaStore.Images.Thumbnails.EXTERNAL_CONTENT_URI,
+                    null, MediaStore.Images.Thumbnails.IMAGE_ID
+                            + "=" + videoId, null, null);
+            if (thumbCursor.moveToFirst()) {
+                String albumPath = thumbCursor.getString(thumbCursor.getColumnIndex(MediaStore.Images.Thumbnails.DATA));
+                bitmap = BitmapFactory.decodeFile(albumPath);
+                return bitmap;
+            }
+        } catch (Exception e) {
+            return bitmap;
+        } finally {
+            if (thumbCursor != null)
+                thumbCursor.close();
+            return bitmap;
         }
     }
@@ -414,7 +662,7 @@ public class GlideCacheUtil {
             RequestBuilder rb = null;
             option = option
                     .dontTransform()
-                    .diskCacheStrategy(DiskCacheStrategy.RESOURCE)
+                    .diskCacheStrategy(DiskCacheStrategy.AUTOMATIC)
                     .dontAnimate();
             option.error(R.drawable.iv_imgload_full_err);
+package com.cnlive.media.utils;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.net.Uri;
+import android.provider.MediaStore;
+import android.util.Log;
+
+import java.util.HashMap;
+
+/**
+ * 作 者 : wkq
+ * <p>
+ * 时 间 : 2021/1/25 15:18
+ * <p>
+ * 名 字 : ThumbnailsUtils
+ * <p>
+ * 简 介 :
+ */
+public class ThumbnailsUtils {
+    static HashMap<String, String> thumbnails = new HashMap<String, String>();
+
+    public static void getThumbnails(Context context) {
+        String[] projection = {MediaStore.Images.Thumbnails._ID, MediaStore.Images.Thumbnails.IMAGE_ID,
+                MediaStore.Images.Thumbnails.DATA};
+
+        Cursor cursor = context.getContentResolver().query(MediaStore.Images.Thumbnails.EXTERNAL_CONTENT_URI, projection, null, null, null);
+        if (cursor == null) return;
+        while (cursor.moveToNext()) {
+            int _id;
+            int image_id;
+            String image_path;
+            int _idColumn = cursor.getColumnIndex(MediaStore.Images.Thumbnails._ID);
+            int image_idColumn = cursor.getColumnIndex(MediaStore.Images.Thumbnails.IMAGE_ID);
+            int dataColumn = cursor.getColumnIndex(MediaStore.Images.Thumbnails.DATA);
+            _id = cursor.getInt(_idColumn);
+            image_id = cursor.getInt(image_idColumn);
+            image_path = cursor.getString(dataColumn);
+            Log.e("image_path:", _id+"-->"+image_id + "-->" + image_path);
+            thumbnails.put(image_id + "", image_path);
+        }
+
+
+    }
+
+
+}