Matisse预览图片黑屏，Glide内存溢出

项目中要到图片、视频选择的功能，然后google了一下，找到Matisse，知乎的图片选择框架，用的人还挺多的，果断依赖gradle,然后开始我的踩坑之旅。
首先，框架本身的图片框架glide是v3版本的，然后我项目中的是目前最新的v4.7.1,然后需要重写它的图片加载.imageEngine(new GlideEngine())，因为低版本的一些api在高版本已经找不到了，这都是小问题。

public class GlideEngine implements ImageEngine{
    @Override
    public void loadThumbnail(Context context, int resize, Drawable placeholder, ImageView imageView, Uri uri) {
        Glide.with(context)
                .asBitmap() // some .jpeg files are actually gif
                .load(uri)
                .apply(new RequestOptions()
                        .override(resize, resize)
                        .placeholder(placeholder)
                        .centerCrop())
                .into(imageView);
    }

    @Override
    public void loadGifThumbnail(Context context, int resize, Drawable placeholder, ImageView imageView,
                                 Uri uri) {
        Glide.with(context)
                .asBitmap() // some .jpeg files are actually gif
                .load(uri)
                .apply(new RequestOptions()
                        .override(resize, resize)
                        .placeholder(placeholder)
                        .centerCrop())
                .into(imageView);
    }

    @Override
    public void loadImage(Context context, int resizeX, int resizeY, ImageView imageView, Uri uri) {
        Glide.with(context)
                .load(uri)
                .apply(new RequestOptions()
                        .override(resizeX, resizeY)
                        .priority(Priority.HIGH)
                        .fitCenter())
                .into(imageView);
    }

    @Override
    public void loadGifImage(Context context, int resizeX, int resizeY, ImageView imageView, Uri uri) {
        Glide.with(context)
                .asGif()
                .load(uri)
                .apply(new RequestOptions()
                        .override(resizeX, resizeY)
                        .priority(Priority.HIGH)
                        .fitCenter())
                .into(imageView);
    }

    @Override
    public boolean supportAnimatedGif() {
        return true;
    }
}

然后运行成功，如愿以偿的打开了相册，当然这都建立了你已经申请并获得了6.0以上的运行期权限，Matisse图片加载器修改后，预览图片直接黑屏：

Glide: Root cause (1 of 5) java.lang.OutOfMemoryError: Failed to allocate a 19660812 byte allocation with 13530040 free bytes and 12MB until OOM
Glide: Root cause (4 of 5)
java.io.IOException: java.lang.RuntimeException: setDataSource failed: status = 0x80000000

然后我下载了一份github上的代码，发现了Demo和GitHub上示例代码的问题。

Matisse.from(SampleActivity.this)
                                            .choose(MimeType.ofAll(), false)
                                            .countable(true)
                                            .capture(true)
                                            .captureStrategy(
                                                    new CaptureStrategy(true, "com.zhihu.matisse.sample.fileprovider"))
                                            .maxSelectable(9)
                                            .addFilter(new GifSizeFilter(320, 320, 5 * Filter.K * Filter.K))
                                            .gridExpectedSize(
                                                    getResources().getDimensionPixelSize(R.dimen.grid_expected_size))
                                            .restrictOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT)
                                            .thumbnailScale(0.85f)
//                                            .imageEngine(new GlideEngine())  // for glide-V3
                                            .imageEngine(new Glide4Engine())    // for glide-V4
                                            .setOnSelectedListener(new OnSelectedListener() {
                                                @Override
                                                public void onSelected(
                                                        @NonNull List<Uri> uriList, @NonNull List<String> pathList) {
                                                    // DO SOMETHING IMMEDIATELY HERE
                                                    Log.e("onSelected", "onSelected: pathList=" + pathList);

                                                }
                                            })
                                            .originalEnable(true)
                                            .maxOriginalSize(10)
                                            .setOnCheckedListener(new OnCheckedListener() {
                                                @Override
                                                public void onCheck(boolean isChecked) {
                                                    // DO SOMETHING IMMEDIATELY HERE
                                                    Log.e("isChecked", "onCheck: isChecked=" + isChecked);
                                                }
                                            })
                                            .forResult(REQUEST_CODE_CHOOSE);

在.addFilter(new GifSizeFilter())中GifSizeFilter这个类居然不是public的，在按照github上的示例代码时这行代码报错了，当时我以为是不太重要的代码，然后去掉了。

/*
 * Copyright 2017 Zhihu Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.zhihu.matisse.sample;

import android.content.Context;
import android.graphics.Point;

import com.zhihu.matisse.MimeType;
import com.zhihu.matisse.filter.Filter;
import com.zhihu.matisse.internal.entity.IncapableCause;
import com.zhihu.matisse.internal.entity.Item;
import com.zhihu.matisse.internal.utils.PhotoMetadataUtils;

import java.util.HashSet;
import java.util.Set;

class GifSizeFilter extends Filter {

    private int mMinWidth;
    private int mMinHeight;
    private int mMaxSize;

    GifSizeFilter(int minWidth, int minHeight, int maxSizeInBytes) {
        mMinWidth = minWidth;
        mMinHeight = minHeight;
        mMaxSize = maxSizeInBytes;
    }

    @Override
    public Set<MimeType> constraintTypes() {
        return new HashSet<MimeType>() {{
            add(MimeType.GIF);
        }};
    }

    @Override
    public IncapableCause filter(Context context, Item item) {
        if (!needFiltering(context, item))
            return null;

        Point size = PhotoMetadataUtils.getBitmapBound(context.getContentResolver(), item.getContentUri());
        if (size.x < mMinWidth || size.y < mMinHeight || item.size > mMaxSize) {
            return new IncapableCause(IncapableCause.DIALOG, context.getString(R.string.error_gif, mMinWidth,
                    String.valueOf(PhotoMetadataUtils.getSizeInMB(mMaxSize))));
        }
        return null;
    }

}

最后的解决办法是复制了GifSizeFilter 并把它申明为public，问题解决。