Bump versions, updated README

README.md

@@ -1,8 +1,12 @@
-# paymentsapi-quickstart
+# Google Payment API sample app
 
 ## Overview
-This sample demonstrates basic usage of the Google Payment API.  For more
-information, visit the following link:
+This sample demonstrates basic usage of the Google Payment API.
+
+The Google Payment API can be used to request any credit or debit card stored in
+your customer’s Google account, including their Android Pay credentials.
+
+For more information, visit the following link:
 
 https://developers.google.com/payments/overview
 
@@ -11,3 +15,17 @@ https://developers.google.com/payments/overview
 Make sure you read the comments in Constants.java and PaymentsUtil.java before
 you continue. These files **must** be modified prior to running the app, as per
 the instructions provided in the comments.
+
+## Requirements
+
+In order to build and run this sample app, make sure you:
+
+-   Have Android Studio 3.0 or newer installed.
+-   Have a device running Android 4.4 (KitKat) or newer.
+-   Have Google Play services version 11.4.0 or newer installed on this device.
+
+To be able to fully test the API, you will also need to:
+
+-   [Add a payment method to your Google Account](https://support.google.com/payments/answer/6220309).
+-   [Install and add a payment method to Android Pay](https://support.google.com/androidpay/answer/6289372) (optional).
+-   Consult your payment processor's documentation to learn about whether they support paying with Google.

app/build.gradle

@@ -2,10 +2,12 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 26
-    buildToolsVersion "26.0.0"
     defaultConfig {
         applicationId "com.google.android.gms.samples.wallet"
-        minSdkVersion 26
+
+        // Google Payment API is not supported in SDK versions lower than 19
+        minSdkVersion 19
+
         targetSdkVersion 26
         versionCode 1
         versionName "1.0"
@@ -20,10 +22,11 @@ android {
 }
 
 dependencies {
-    compile fileTree(dir: 'libs', include: ['*.jar'])
-    compile 'com.android.support:appcompat-v7:26.0.2'
-    compile 'com.google.android.gms:play-services-wallet:11.4.0'
-    compile 'com.google.android.gms:play-services-tasks:11.4.0'
-    compile 'com.google.android.gms:play-services-base:11.4.0'
-    compile 'com.google.android.gms:play-services-basement:11.4.0'
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+
+    compile 'com.google.android.gms:play-services:11.4.2'
+
+    // "wallet" is the only module needed for the Google Payment API and this sample app.
+    // Apps that selectively compile Google Play service APIs need only this dependency.
+    //compile 'com.google.android.gms:play-services-wallet:11.4.2'
 }

app/src/main/java/com/google/android/gms/samples/wallet/Constants.java

@@ -84,18 +84,21 @@ public class Constants {
 
     // The name of your payment processor / gateway. Please refer to their documentation for
     // more information.
-    public static final String GATEWAY_TOKENIZATION_NAME = "stripe";
+    public static final String GATEWAY_TOKENIZATION_NAME = "REPLACE_ME";
 
-    // Custom parameters required by the processor / gateway. Please refer to your processor's
-    // documentation for more information. The number of parameters required and their names vary
-    // depending on the processor.
-    public static final List<Pair<String, String>> GATEWAY_TOKENIZATION_PARAMETERS = Arrays.asList(
-            Pair.create("stripe:version", "5"),
-            Pair.create("stripe:publishableKey", "REPLACE_ME")
-    );
+    // Custom parameters required by the processor / gateway.
     // In many cases, your processor / gateway will only require a gatewayMerchantId.
+    // Please refer to your processor's documentation for more information. The number of parameters
+    // required and their names vary depending on the processor.
+    public static final List<Pair<String, String>> GATEWAY_TOKENIZATION_PARAMETERS = Arrays.asList(
+            Pair.create("gatewayMerchantId", "REPLACE_ME")
+    );
+
+    // Example configuration when using Stripe as processor.
+    //public static final String GATEWAY_TOKENIZATION_NAME = "stripe";
     //public static final List<Pair<String, String>> GATEWAY_TOKENIZATION_PARAMETERS = Arrays.asList(
-    //        Pair.create("gatewayMerchantId", "REPLACE_ME")
+    //        Pair.create("stripe:version", "5.0.0"),
+    //        Pair.create("stripe:publishableKey", "pk_test_yourstripetestkey")
     //);
 
     // Only used for DIRECT tokenization. Can be removed when using GATEWAY tokenization.

build.gradle

@@ -2,10 +2,12 @@
 
 buildscript {
     repositories {
+        google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.3'
+        classpath 'com.android.tools.build:gradle:3.0.0'
+
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -14,9 +16,8 @@ buildscript {
 
 allprojects {
     repositories {
+        google()
         jcenter()
-        mavenLocal()
-        maven { url 'https://maven.google.com'  }
     }
 }
 

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Fri Sep 08 11:03:33 BST 2017
+#Thu Oct 26 16:08:18 BST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip