Handle when custom tabs and browser is not installed on the device. (#172)

* Handle when custom tabs and browser is not installed on the device.

.circleci/config.yml

@@ -177,9 +177,10 @@ jobs:
           path: ios/RocketChatRN.ipa
 
       - persist_to_workspace:
-          root: ios
+          root: .
           paths:
-            - RocketChatRN.ipa
+            - ios/*.ipa
+            - ios/fastlane/report.xml
 
   ios-testflight:
     macos:

android/app/src/main/java/com/rocketchatrn/CustomTabsAndroid.java

 package com.rocketchatrn;
 
+import android.content.Intent;
+import android.content.pm.ResolveInfo;
 import android.net.Uri;
 import android.support.customtabs.CustomTabsIntent;
-
+import android.widget.Toast;
 
 import com.facebook.react.bridge.ReactApplicationContext;
 import com.facebook.react.bridge.ReactContextBaseJavaModule;
 import com.facebook.react.bridge.ReactMethod;
 
+import java.util.List;
+
+import chat.rocket.reactnative.R;
 
 /**
  * Launches custom tabs.
@@ -15,12 +20,9 @@ import com.facebook.react.bridge.ReactMethod;
 
 public class CustomTabsAndroid extends ReactContextBaseJavaModule {
 
-    public ReactApplicationContext context;
-
 
     public CustomTabsAndroid(ReactApplicationContext reactContext) {
         super(reactContext);
-        this.context = reactContext;
     }
 
     @Override
@@ -32,6 +34,23 @@ public class CustomTabsAndroid extends ReactContextBaseJavaModule {
     public void openURL(String url) throws NullPointerException {
         CustomTabsIntent.Builder builder = new CustomTabsIntent.Builder();
         CustomTabsIntent customTabsIntent = builder.build();
-        customTabsIntent.launchUrl(getReactApplicationContext().getCurrentActivity(), Uri.parse(url));
+
+        if (CustomTabsHelper.isChromeCustomTabsSupported(getReactApplicationContext())) {
+            customTabsIntent.launchUrl(getReactApplicationContext().getCurrentActivity(), Uri.parse(url));
+        } else {
+            //open in browser
+            Intent i = new Intent(Intent.ACTION_VIEW);
+            i.setData(Uri.parse(url));
+            //ensure browser is present
+            final List<ResolveInfo> customTabsApps = getReactApplicationContext()
+                    .getCurrentActivity().getPackageManager().queryIntentActivities(i, 0);
+
+            if (customTabsApps.size() > 0) {
+                getReactApplicationContext().startActivity(i);
+            } else {
+                // no browser
+                Toast.makeText(getReactApplicationContext(), R.string.no_browser_found, Toast.LENGTH_SHORT).show();
+            }
+        }
     }
 }

android/app/src/main/java/com/rocketchatrn/CustomTabsHelper.java

+package com.rocketchatrn;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.ResolveInfo;
+
+import java.util.List;
+
+/**
+ * Contains helper methods for custom tabs.
+ */
+
+public class CustomTabsHelper {
+
+    private static final String SERVICE_ACTION = "android.support.customtabs.action.CustomTabsService";
+    private static final String CHROME_PACKAGE = "com.android.chrome";
+
+    public static boolean isChromeCustomTabsSupported(final Context context) {
+        Intent serviceIntent = new Intent(SERVICE_ACTION);
+        serviceIntent.setPackage(CHROME_PACKAGE);
+        List<ResolveInfo> resolveInfos = context.getPackageManager().queryIntentServices(serviceIntent, 0);
+        return !(resolveInfos == null || resolveInfos.isEmpty());
+    }
+}

android/app/src/main/res/values/strings.xml

 <resources>
     <string name="app_name">RocketChatRN</string>
+
+    <string name="no_browser_found">No Browser Found</string>
 </resources>