Add sign-in intent builder support for privacy policy URLS.

Author: WillieCubed

auth/src/main/java/com/firebase/ui/auth/AuthUI.java

@@ -449,6 +449,7 @@ private abstract class AuthIntentBuilder<T extends AuthIntentBuilder> {
         int mTheme = getDefaultTheme();
         List<IdpConfig> mProviders = new ArrayList<>();
         String mTosUrl;
+        String mPrivacyPolicyUrl;
         boolean mIsSmartLockEnabled = true;
 
         private AuthIntentBuilder() {}
@@ -483,6 +484,14 @@ public T setTosUrl(@Nullable String tosUrl) {
             return (T) this;
         }
 
+        /**
+         * Specifies the privacy policy URL for the application.
+         */
+        public T setPrivacyPolicyUrl(@Nullable String privacyPolicyUrl) {
+            mPrivacyPolicyUrl = privacyPolicyUrl;
+            return (T) this;
+        }
+
         /**
          * Specified the set of supported authentication providers. At least one provider must
          * be specified. There may only be one instance of each provider.
@@ -631,6 +640,7 @@ protected FlowParameters getFlowParams() {
                     mTheme,
                     mLogo,
                     mTosUrl,
+                    mPrivacyPolicyUrl,
                     mIsSmartLockEnabled,
                     false,
                     true,
@@ -666,6 +676,7 @@ protected FlowParameters getFlowParams() {
                     mTheme,
                     mLogo,
                     mTosUrl,
+                    mPrivacyPolicyUrl,
                     mIsSmartLockEnabled,
                     mAllowNewEmailAccounts,
                     false,

auth/src/main/java/com/firebase/ui/auth/ui/FlowParameters.java

@@ -48,6 +48,9 @@ public class FlowParameters implements Parcelable {
     @Nullable
     public final String termsOfServiceUrl;
 
+    @Nullable
+    public final String privacyPolicyUrl;
+
     public final boolean smartLockEnabled;
 
     public final boolean allowNewEmailAccounts;
@@ -62,6 +65,7 @@ public FlowParameters(
             @StyleRes int themeId,
             @DrawableRes int logoId,
             @Nullable String termsOfServiceUrl,
+            @Nullable String privacyPolicyUrl,
             boolean smartLockEnabled,
             boolean allowNewEmailAccounts,
             boolean isReauth,
@@ -72,6 +76,7 @@ public FlowParameters(
         this.themeId = themeId;
         this.logoId = logoId;
         this.termsOfServiceUrl = termsOfServiceUrl;
+        this.privacyPolicyUrl = privacyPolicyUrl;
         this.smartLockEnabled = smartLockEnabled;
         this.allowNewEmailAccounts = allowNewEmailAccounts;
         this.isReauth = isReauth;
@@ -85,6 +90,7 @@ public void writeToParcel(Parcel dest, int flags) {
         dest.writeInt(themeId);
         dest.writeInt(logoId);
         dest.writeString(termsOfServiceUrl);
+        dest.writeString(privacyPolicyUrl);
         dest.writeInt(smartLockEnabled ? 1 : 0);
         dest.writeInt(allowNewEmailAccounts ? 1 : 0);
         dest.writeInt(isReauth ? 1 : 0);
@@ -104,6 +110,7 @@ public FlowParameters createFromParcel(Parcel in) {
             int themeId = in.readInt();
             int logoId = in.readInt();
             String termsOfServiceUrl = in.readString();
+            String privacyPolicyUrl = in.readString();
             boolean smartLockEnabled = in.readInt() != 0;
             boolean allowNewEmailAccounts = in.readInt() != 0;
             boolean isReauth = in.readInt() != 0;
@@ -115,6 +122,7 @@ public FlowParameters createFromParcel(Parcel in) {
                     themeId,
                     logoId,
                     termsOfServiceUrl,
+                    privacyPolicyUrl,
                     smartLockEnabled,
                     allowNewEmailAccounts,
                     isReauth,

auth/src/main/java/com/firebase/ui/auth/ui/email/RegisterEmailFragment.java

@@ -9,8 +9,10 @@
 import android.support.customtabs.CustomTabsIntent;
 import android.support.design.widget.TextInputLayout;
 import android.support.v4.content.ContextCompat;
+import android.text.SpannableString;
 import android.text.SpannableStringBuilder;
 import android.text.TextUtils;
+import android.text.style.ClickableSpan;
 import android.text.style.ForegroundColorSpan;
 import android.util.TypedValue;
 import android.view.LayoutInflater;
@@ -165,6 +167,7 @@ public void onActivityCreated(@Nullable Bundle savedInstanceState) {
 
         mSaveSmartLock = mHelper.getSaveSmartLockInstance(getActivity());
         setUpTermsOfService();
+        setUpPrivacyPolicy();
     }
 
     @Override
@@ -210,6 +213,39 @@ public void onClick(View view) {
         });
     }
 
+    private void setUpPrivacyPolicy() {
+        if (TextUtils.isEmpty(mHelper.getFlowParams().privacyPolicyUrl)) {
+            return;
+        }
+
+        ForegroundColorSpan foregroundColorSpan =
+                new ForegroundColorSpan(ContextCompat.getColor(getContext(), R.color.linkColor));
+
+        String link = getString(R.string.privacy_policy);
+        SpannableStringBuilder spannableStringBuilder = new SpannableStringBuilder(link);
+        int start = mAgreementText.length();
+        spannableStringBuilder.setSpan(foregroundColorSpan, start, start + link.length(), 0);
+
+        mAgreementText.append(" and the ");
+        mAgreementText.append(spannableStringBuilder);
+        mAgreementText.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                // Getting default color
+                TypedValue typedValue = new TypedValue();
+                getActivity().getTheme().resolveAttribute(R.attr.colorPrimary, typedValue, true);
+                @ColorInt int color = typedValue.data;
+
+                new CustomTabsIntent.Builder()
+                        .setToolbarColor(color)
+                        .build()
+                        .launchUrl(
+                                getActivity(),
+                                Uri.parse(mHelper.getFlowParams().privacyPolicyUrl));
+            }
+        });
+    }
+
     @Override
     public void onFocusChange(View view, boolean hasFocus) {
         if (hasFocus) return; // Only consider fields losing focus

auth/src/main/res/values/strings.xml

@@ -44,6 +44,7 @@
     <string name="error_user_collision">An account already exists with that email address.</string>
     <string name="create_account_preamble">"By tapping SAVE you are indicating that you agree to the "</string>
     <string name="terms_of_service">Terms of Service</string>
+    <string name="privacy_policy">Privacy Policy</string>
 
     <!-- Idp/Email welcome back -->
     <string name="title_welcome_back_idp_prompt">@string/sign_in_default</string>