Glide加载https图片

因为在WWDC 2016开发者大会上，苹果宣布了一个最后期限：到2017年1月1日 App Store中的所有应用都必须启用App Transport Security安全功能，所以受之牵连，因此图片加载框架也要兼容https接口。1、在build.gradle中添加依赖：

 compile 'com.github.bumptech.glide:glide:3.6.1'compile 'com.squareup.okhttp:okhttp:2.7.2'compile 'com.github.bumptech.glide:okhttp-integration:1.4.0@aar'

2.拷贝'com.github.bumptech.glide:okhttp-integration:1.4.0@aar'里面3个类OkHttpGlideModule ，OkHttpUrlLoader，OkHttpStreamFetcher的源码；OkHttpGlideModule类：改写成如下忽略证书，支持https

public class OkHttpGlideModule implements GlideModule {@Overridepublic void applyOptions(Context context, GlideBuilder builder) {// Do nothing.}@Overridepublic void registerComponents(Context context, Glide glide) {OkHttpClient okHttpClient=new OkHttpClient();X509TrustManager xtm = new X509TrustManager() {@Overridepublic void checkClientTrusted(X509Certificate[] chain, String authType) {}@Overridepublic void checkServerTrusted(X509Certificate[] chain, String authType) {}@Overridepublic X509Certificate[] getAcceptedIssuers() {X509Certificate[] x509Certificates = new X509Certificate[0];return x509Certificates;}};SSLContext sslContext = null;try {sslContext = SSLContext.getInstance("SSL");sslContext.init(null, new TrustManager[]{xtm}, new SecureRandom());} catch (NoSuchAlgorithmException e) {e.printStackTrace();} catch (KeyManagementException e) {e.printStackTrace();}HostnameVerifier DO_NOT_VERIFY = new HostnameVerifier() {@Overridepublic boolean verify(String hostname, SSLSession session) {return true;}};okHttpClient.setSslSocketFactory(sslContext.getSocketFactory());okHttpClient.setHostnameVerifier(DO_NOT_VERIFY);glide.register(GlideUrl.class, InputStream.class, new OkHttpUrlLoader.Factory(okHttpClient));}
}

OkHttpStreamFetcher类

public class OkHttpStreamFetcher implements DataFetcher<InputStream> {private final OkHttpClient client;private final GlideUrl url;private InputStream stream;private ResponseBody responseBody;public OkHttpStreamFetcher(OkHttpClient client, GlideUrl url) {this.client = client;this.url = url;}@Overridepublic InputStream loadData(Priority priority) throws Exception {Request.Builder requestBuilder = new Request.Builder().url(url.toStringUrl());for (Map.Entry<String, String> headerEntry : url.getHeaders().entrySet()) {String key = headerEntry.getKey();requestBuilder.addHeader(key, headerEntry.getValue());}Request request = requestBuilder.build();Response response = client.newCall(request).execute();responseBody = response.body();if (!response.isSuccessful()) {throw new IOException("Request failed with code: " + response.code());}long contentLength = responseBody.contentLength();stream = ContentLengthInputStream.obtain(responseBody.byteStream(), contentLength);return stream;}@Overridepublic void cleanup() {if (stream != null) {try {stream.close();} catch (IOException e) {// Ignored}}if (responseBody != null) {try {responseBody.close();} catch (IOException e) {// Ignored.}}}@Overridepublic String getId() {return url.getCacheKey();}@Overridepublic void cancel() {// TODO: call cancel on the client when this method is called on a background thread. See #257}
}

OkHttpUrlLoader 类

public class OkHttpUrlLoader implements ModelLoader<GlideUrl, InputStream> {/*** The default factory for {@link OkHttpUrlLoader}s.*/public static class Factory implements ModelLoaderFactory<GlideUrl, InputStream> {private static volatile OkHttpClient internalClient;private OkHttpClient client;private static OkHttpClient getInternalClient() {if (internalClient == null) {synchronized (Factory.class) {if (internalClient == null) {internalClient = new OkHttpClient();}}}return internalClient;}/*** Constructor for a new Factory that runs requests using a static singleton client.*/public Factory() {this(getInternalClient());}/*** Constructor for a new Factory that runs requests using given client.*/public Factory(OkHttpClient client) {this.client = client;}@Overridepublic ModelLoader<GlideUrl, InputStream> build(Context context, GenericLoaderFactory factories) {return new OkHttpUrlLoader(client);}@Overridepublic void teardown() {// Do nothing, this instance doesn't own the client.}}private final OkHttpClient client;public OkHttpUrlLoader(OkHttpClient client) {this.client = client;}@Overridepublic DataFetcher<InputStream> getResourceFetcher(GlideUrl model, int width, int height) {return new OkHttpStreamFetcher(client, model);}
}

3、删除在build.gradle中依赖：

compile 'com.github.bumptech.glide:okhttp-integration:1.4.0@aar'；

4、在Android.Manifest中配置：

<meta-dataandroid:name="***.OkHttpGlideModule"   android:value="GlideModule" />

此时，重新运行后发现可以加载https啦。
但是，在发布后会出现找不到OkHttpGlideModule类。是因为被混淆了，因此发布时还得注意下

5、发布时避免混淆
在混淆文件proguard-rules.pro中添加混淆规则

-keep class cn.manmanda.util.https_glide.OkHttpGlideModule

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