Update examples to match the new version of generated build.gradle (#25483) (#25569)

This version honors flutter tool's --build-number/--build-name flags.

examples/catalog/android/app/build.gradle

 def localProperties = new Properties()
 def localPropertiesFile = rootProject.file('local.properties')
 if (localPropertiesFile.exists()) {
-    localPropertiesFile.withInputStream { stream ->
-        localProperties.load(stream)
+    localPropertiesFile.withReader('UTF-8') { reader ->
+        localProperties.load(reader)
     }
 }
 
@@ -11,6 +11,16 @@ if (flutterRoot == null) {
     throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
 }
 
+def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
+if (flutterVersionCode == null) {
+    flutterVersionCode = '1'
+}
+
+def flutterVersionName = localProperties.getProperty('flutter.versionName')
+if (flutterVersionName == null) {
+    flutterVersionName = '1.0'
+}
+
 apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
@@ -25,8 +35,8 @@ android {
         applicationId "io.flutter.examples.catalog"
         minSdkVersion 16
         targetSdkVersion 27
-        versionCode 1
-        versionName "1.0"
+        versionCode flutterVersionCode.toInteger()
+        versionName flutterVersionName
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
 

examples/flutter_gallery/android/app/build.gradle

 def localProperties = new Properties()
 def localPropertiesFile = rootProject.file('local.properties')
 if (localPropertiesFile.exists()) {
-    localPropertiesFile.withInputStream { stream ->
-        localProperties.load(stream)
+    localPropertiesFile.withReader('UTF-8') { reader ->
+        localProperties.load(reader)
     }
 }
 
@@ -11,14 +11,25 @@ if (flutterRoot == null) {
     throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
 }
 
+// The Gallery app's version is defined by the Flutter framework's version.
 def flutterVersion = file("$flutterRoot/version").text
 def flutterVersionComponents = flutterVersion.split(/[^0-9]+/)
 // Let the integer version code of xx.yy.zz-pre.nnn be xxyyzznnn.
-int flutterVersionCode = Math.min(flutterVersionComponents[0].toInteger(), 20) * 100000000
-flutterVersionCode += Math.min(flutterVersionComponents[1].toInteger(), 99) * 1000000
-flutterVersionCode += Math.min(flutterVersionComponents[2].toInteger(), 999) * 1000
+int flutterVersionNumber = Math.min(flutterVersionComponents[0].toInteger(), 20) * 100000000
+flutterVersionNumber += Math.min(flutterVersionComponents[1].toInteger(), 99) * 1000000
+flutterVersionNumber += Math.min(flutterVersionComponents[2].toInteger(), 999) * 1000
 if (flutterVersionComponents.length > 3) {
-    flutterVersionCode += Math.min(flutterVersionComponents[3].toInteger(), 999)
+    flutterVersionNumber += Math.min(flutterVersionComponents[3].toInteger(), 999)
+}
+
+def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
+if (flutterVersionCode == null) {
+    flutterVersionCode = "$flutterVersionNumber"
+}
+
+def flutterVersionName = localProperties.getProperty('flutter.versionName')
+if (flutterVersionName == null) {
+    flutterVersionName = "$flutterVersion"
 }
 
 apply plugin: 'com.android.application'
@@ -35,9 +46,8 @@ android {
         applicationId "io.flutter.demo.gallery"
         minSdkVersion 16
         targetSdkVersion 27
-        // The Gallery app's version is defined by the Flutter framework's version.
-        versionCode flutterVersionCode
-        versionName "$flutterVersion"
+        versionCode flutterVersionCode.toInteger()
+        versionName flutterVersionName
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
 
@@ -64,7 +74,7 @@ flutter {
 
 dependencies {
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:rules:1.0.1'
-    androidTestImplementation 'com.android.support.test:runner:1.0.1'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
+    androidTestImplementation 'com.android.support.test:runner:1.0.2'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    implementation 'com.android.support:appcompat-v7:27.1.1'
 }

examples/flutter_view/android/app/build.gradle

 def localProperties = new Properties()
 def localPropertiesFile = rootProject.file('local.properties')
 if (localPropertiesFile.exists()) {
-    localPropertiesFile.withInputStream { stream ->
-        localProperties.load(stream)
+    localPropertiesFile.withReader('UTF-8') { reader ->
+        localProperties.load(reader)
     }
 }
 
@@ -11,6 +11,16 @@ if (flutterRoot == null) {
     throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
 }
 
+def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
+if (flutterVersionCode == null) {
+    flutterVersionCode = '1'
+}
+
+def flutterVersionName = localProperties.getProperty('flutter.versionName')
+if (flutterVersionName == null) {
+    flutterVersionName = '1.0'
+}
+
 apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
@@ -25,8 +35,8 @@ android {
         applicationId "io.flutter.examples.flutter_view"
         minSdkVersion 16
         targetSdkVersion 27
-        versionCode 1
-        versionName "0.0.1"
+        versionCode flutterVersionCode.toInteger()
+        versionName flutterVersionName
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
 

examples/hello_world/android/app/build.gradle

 def localProperties = new Properties()
 def localPropertiesFile = rootProject.file('local.properties')
 if (localPropertiesFile.exists()) {
-    localPropertiesFile.withInputStream { stream ->
-        localProperties.load(stream)
+    localPropertiesFile.withReader('UTF-8') { reader ->
+        localProperties.load(reader)
     }
 }
 
@@ -11,6 +11,16 @@ if (flutterRoot == null) {
     throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
 }
 
+def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
+if (flutterVersionCode == null) {
+    flutterVersionCode = '1'
+}
+
+def flutterVersionName = localProperties.getProperty('flutter.versionName')
+if (flutterVersionName == null) {
+    flutterVersionName = '1.0'
+}
+
 apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
@@ -25,8 +35,8 @@ android {
         applicationId "io.flutter.examples.hello_world"
         minSdkVersion 16
         targetSdkVersion 27
-        versionCode 1
-        versionName "0.0.1"
+        versionCode flutterVersionCode.toInteger()
+        versionName flutterVersionName
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
 

examples/layers/android/app/build.gradle

 def localProperties = new Properties()
 def localPropertiesFile = rootProject.file('local.properties')
 if (localPropertiesFile.exists()) {
-    localPropertiesFile.withInputStream { stream ->
-        localProperties.load(stream)
+    localPropertiesFile.withReader('UTF-8') { reader ->
+        localProperties.load(reader)
     }
 }
 
@@ -11,6 +11,16 @@ if (flutterRoot == null) {
     throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
 }
 
+def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
+if (flutterVersionCode == null) {
+    flutterVersionCode = '1'
+}
+
+def flutterVersionName = localProperties.getProperty('flutter.versionName')
+if (flutterVersionName == null) {
+    flutterVersionName = '1.0'
+}
+
 apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
@@ -25,8 +35,8 @@ android {
         applicationId "io.flutter.examples.layers"
         minSdkVersion 16
         targetSdkVersion 27
-        versionCode 1
-        versionName "0.0.1"
+        versionCode flutterVersionCode.toInteger()
+        versionName flutterVersionName
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
 

examples/platform_channel/android/app/build.gradle

 def localProperties = new Properties()
 def localPropertiesFile = rootProject.file('local.properties')
 if (localPropertiesFile.exists()) {
-    localPropertiesFile.withInputStream { stream ->
-        localProperties.load(stream)
+    localPropertiesFile.withReader('UTF-8') { reader ->
+        localProperties.load(reader)
     }
 }
 
@@ -11,6 +11,16 @@ if (flutterRoot == null) {
     throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
 }
 
+def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
+if (flutterVersionCode == null) {
+    flutterVersionCode = '1'
+}
+
+def flutterVersionName = localProperties.getProperty('flutter.versionName')
+if (flutterVersionName == null) {
+    flutterVersionName = '1.0'
+}
+
 apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
@@ -25,8 +35,8 @@ android {
         applicationId "io.flutter.examples.platform_channel"
         minSdkVersion 16
         targetSdkVersion 27
-        versionCode 1
-        versionName "0.0.1"
+        versionCode flutterVersionCode.toInteger()
+        versionName flutterVersionName
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
 

examples/platform_view/android/app/build.gradle

 def localProperties = new Properties()
 def localPropertiesFile = rootProject.file('local.properties')
 if (localPropertiesFile.exists()) {
-    localPropertiesFile.withInputStream { stream ->
-        localProperties.load(stream)
+    localPropertiesFile.withReader('UTF-8') { reader ->
+        localProperties.load(reader)
     }
 }
 
@@ -11,6 +11,16 @@ if (flutterRoot == null) {
     throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
 }
 
+def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
+if (flutterVersionCode == null) {
+    flutterVersionCode = '1'
+}
+
+def flutterVersionName = localProperties.getProperty('flutter.versionName')
+if (flutterVersionName == null) {
+    flutterVersionName = '1.0'
+}
+
 apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
@@ -25,8 +35,8 @@ android {
         applicationId "io.flutter.examples.platform_view"
         minSdkVersion 16
         targetSdkVersion 27
-        versionCode 1
-        versionName "0.0.1"
+        versionCode flutterVersionCode.toInteger()
+        versionName flutterVersionName
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
 

examples/stocks/android/app/build.gradle

 def localProperties = new Properties()
 def localPropertiesFile = rootProject.file('local.properties')
 if (localPropertiesFile.exists()) {
-    localPropertiesFile.withInputStream { stream ->
-        localProperties.load(stream)
+    localPropertiesFile.withReader('UTF-8') { reader ->
+        localProperties.load(reader)
     }
 }
 
@@ -11,6 +11,16 @@ if (flutterRoot == null) {
     throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
 }
 
+def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
+if (flutterVersionCode == null) {
+    flutterVersionCode = '1'
+}
+
+def flutterVersionName = localProperties.getProperty('flutter.versionName')
+if (flutterVersionName == null) {
+    flutterVersionName = '1.0'
+}
+
 apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
@@ -25,8 +35,8 @@ android {
         applicationId "io.flutter.examples.stocks"
         minSdkVersion 16
         targetSdkVersion 27
-        versionCode 1
-        versionName "0.0.1"
+        versionCode flutterVersionCode.toInteger()
+        versionName flutterVersionName
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }