Add chrome custom tabs dependency

dependencies.gradle

@@ -12,7 +12,8 @@ ext {
             constraintLayout    : "com.android.support.constraint:constraint-layout:${constraintLayoutVersion}",
             cardView            : "com.android.support:cardview-v7:${supportLibraryVersion}",
             supportV13          : "com.android.support:support-v13:${supportLibraryVersion}",
-            multidex            : "com.android.support:multidex:1.0.2"
+            multidex            : "com.android.support:multidex:1.0.2",
+            customTabs          : "com.android.support:customtabs:${supportLibraryVersion}"
     ]
     extraDependencies = [
             okHTTP         : "com.squareup.okhttp3:okhttp:${okHttpVersion}",

rocket-chat-android-widgets/build.gradle

@@ -39,6 +39,7 @@ dependencies {
     compile supportDependencies.designSupportLibrary
     compile supportDependencies.constraintLayout
     compile supportDependencies.supportV13
+    compile supportDependencies.customTabs
     compile rxbindingDependencies.rxBinding
     compile rxbindingDependencies.rxBindingSupport
     compile "org.jetbrains.kotlin:kotlin-stdlib-jre7:$rootProject.ext.kotlinVersion"

rocket-chat-android-widgets/src/main/java/chat/rocket/android/widget/message/RocketChatMessageAttachmentsLayout.java

@@ -7,6 +7,7 @@ import android.graphics.Color;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.os.Build;
+import android.support.customtabs.CustomTabsIntent;
 import android.support.v4.content.ContextCompat;
 import android.support.v4.widget.TextViewCompat;
 import android.text.TextUtils;
@@ -170,13 +171,10 @@ public class RocketChatMessageAttachmentsLayout extends LinearLayout {
             titleView.setOnClickListener(new OnClickListener() {
                 @Override
                 public void onClick(View view) {
-          final Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(link));
-          intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-
-          final Context context = view.getContext();
-          if (intent.resolveActivity(context.getPackageManager()) != null) {
-            context.startActivity(intent);
-          }
+                    new CustomTabsIntent.Builder()
+                            .setToolbarColor(ContextCompat.getColor(getContext(), R.color.colorPrimary))
+                            .build()
+                            .launchUrl(getContext(), Uri.parse(link));
                 }
             });
             TextViewCompat.setTextAppearance(titleView,

rocket-chat-android-widgets/src/main/res/values/colors.xml

 <?xml version="1.0" encoding="utf-8"?>
 <resources>
   <color name="color_accent">#FF2D91FA</color>
+  <color name="colorPrimary">#044b76</color>
+  <color name="colorPrimaryDark">#FFF</color>
   <color name="color_shadow">#FFE6E6E7</color>
   <color name="color_icon_composer">#FFA8A8A8</color>