ExactCalculator: Add Gradle support

Import cr.jar for building out of AOSP tree

Change-Id: Icd053a83a8aee6fb2407c8e7dc9625ee30561004

Author: vware

build.gradle

@@ -0,0 +1,45 @@
+plugins {
+    id 'com.android.application' version '8.1.2'
+}
+
+android {
+    namespace "com.android.calculator2"
+    compileSdk 34
+
+    defaultConfig {
+        applicationId 'com.android.calculator2'
+        minSdk 31
+        targetSdk 34
+        versionCode 1
+        versionName "1.0"
+    }
+
+    buildTypes {
+        debug {
+            minifyEnabled false
+        }
+        release {
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard.flags'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    sourceSets {
+        main {
+            res.srcDirs = ['res']
+            java.srcDirs = ['src']
+            assets.srcDirs = ['assets']
+            manifest.srcFile 'AndroidManifest.xml'
+        }
+    }
+}
+
+dependencies {
+    implementation files('cr.jar')
+
+    implementation 'androidx.gridlayout:gridlayout:1.0.0'
+    implementation 'androidx.webkit:webkit:1.7.0'
+    implementation 'com.google.android.material:material:1.9.0'
+}

cr.jar

@@ -0,0 +1,18 @@
+## For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+#
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+# Default value: -Xmx1024m -XX:MaxPermSize=256m
+# org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
+#
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+#Mon Jul 31 17:20:03 CEST 2023
+android.defaults.buildfeatures.buildconfig=true
+android.nonFinalResIds=true
+android.nonTransitiveRClass=true
+android.useAndroidX=true
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8

gradle.properties

@@ -0,0 +1,7 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists