Added ability to set custom OkHttpClient for image downloading

Updated okhttp dependency for uCrop
Added custom OkHttpClient for sample due to outdated random pic url

sample/build.gradle

@@ -38,5 +38,6 @@ dependencies {
     implementation "androidx.appcompat:appcompat:${androidx_appcompat_version}"
     implementation "androidx.core:core:${androidx_core_version}"
     implementation "androidx.constraintlayout:constraintlayout:${constraintlayout_version}"
+    implementation "com.squareup.okhttp3:okhttp:3.12.13"
     implementation project(':ucrop')
 }

sample/src/main/AndroidManifest.xml

@@ -7,6 +7,7 @@
     <uses-permission android:name="android.permission.INTERNET" />
 
     <application
+        android:name=".SampleApp"
         android:allowBackup="false"
         android:icon="@mipmap/ic_launcher"
         android:requestLegacyExternalStorage="true"

sample/src/main/java/com/yalantis/ucrop/sample/SampleApp.java

@@ -0,0 +1,32 @@
+package com.yalantis.ucrop.sample;
+
+import android.app.Application;
+
+import com.yalantis.ucrop.UCropHttpClientStore;
+
+import java.util.Collections;
+
+import okhttp3.ConnectionSpec;
+import okhttp3.OkHttpClient;
+
+public class SampleApp extends Application {
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        setUcropHttpClient();
+    }
+
+    private void setUcropHttpClient() {
+        ConnectionSpec cs = new ConnectionSpec.Builder(ConnectionSpec.MODERN_TLS)
+            .allEnabledCipherSuites()
+            .allEnabledTlsVersions()
+            .build();
+
+        OkHttpClient client = new OkHttpClient.Builder()
+            .connectionSpecs(Collections.singletonList(cs))
+            .build();
+
+        UCropHttpClientStore.INSTANCE.setClient(client);
+    }
+}

ucrop/build.gradle

@@ -39,5 +39,6 @@ dependencies {
     implementation "androidx.appcompat:appcompat:${androidx_appcompat_version}"
     implementation "androidx.exifinterface:exifinterface:${androidx_exifinterface_version}"
     implementation "androidx.transition:transition:${androidx_transition_version}"
-    implementation "com.squareup.okhttp3:okhttp:3.12.1"
+    // OkHttp3 versions above 3.12.x don't support pre-Lollipop Android versions (API 21)
+    implementation "com.squareup.okhttp3:okhttp:3.12.13"
 }

ucrop/src/main/java/com/yalantis/ucrop/UCropHttpClientStore.java

@@ -0,0 +1,26 @@
+package com.yalantis.ucrop;
+
+import androidx.annotation.NonNull;
+
+import okhttp3.OkHttpClient;
+
+public class UCropHttpClientStore {
+
+    private UCropHttpClientStore() {}
+
+    public final static UCropHttpClientStore INSTANCE = new UCropHttpClientStore();
+
+    private OkHttpClient client;
+
+    @NonNull
+    public OkHttpClient getClient() {
+        if (client == null) {
+            client = new OkHttpClient();
+        }
+        return client;
+    }
+
+    public void setClient(@NonNull OkHttpClient client) {
+        this.client = client;
+    }
+}

ucrop/src/main/java/com/yalantis/ucrop/task/BitmapLoadTask.java

@@ -11,6 +11,7 @@
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 
+import com.yalantis.ucrop.UCropHttpClientStore;
 import com.yalantis.ucrop.callback.BitmapLoadCallback;
 import com.yalantis.ucrop.model.ExifInfo;
 import com.yalantis.ucrop.util.BitmapLoadUtils;
@@ -204,15 +205,15 @@ private void downloadFile(@NonNull Uri inputUri, @Nullable Uri outputUri) throws
             throw new NullPointerException("Output Uri is null - cannot download image");
         }
 
-        OkHttpClient client = new OkHttpClient();
+        OkHttpClient client = UCropHttpClientStore.INSTANCE.getClient();
 
         BufferedSource source = null;
         Sink sink = null;
         Response response = null;
         try {
             Request request = new Request.Builder()
-                    .url(inputUri.toString())
-                    .build();
+                .url(inputUri.toString())
+                .build();
             response = client.newCall(request).execute();
             source = response.body().source();