Initial commit for open sourcing Twitter Kit for Unity

CONTRIBUTING.md

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+# How to Contribute
+
+We'd love to get patches from you! The core team at Twitter is very passionate about the direction of the product, and thus we are seeking fix contributions over external feature PRs.
+
+If you have anything you'd like to contribute, we recommend discussing it with the core team before writing it.
+
+## Workflow
+
+The workflow that we support:
+
+1.  Fork [twitter-kit-unity](../../)
+2.  Check out the `master` branch
+3.  Make a feature branch
+4.  Make your cool new feature or bugfix on your branch
+5.  From your branch, make a pull request against `twitter/twitter-kit-unity/master`
+6.  Work with repo maintainers to get your change reviewed
+7.  Wait for your change to be merged internally by staff
+8.  Delete your feature branch
+
+## Code Review
+
+The twitter-kit-unity repository on GitHub is kept in sync with an internal repository at
+Twitter. For the most part this process should be transparent to twitter-kit-unity users,
+but it does have some implications for how pull requests are merged into the
+codebase.
+
+When you submit a pull request on GitHub, it will be reviewed by the
+twitter-kit-unity community (both inside and outside of Twitter), and once the changes are
+approved, your commits will be brought into the internal system for additional
+testing. Once the changes are merged internally, they will be pushed back to
+GitHub with the next release.
+
+This process means that the pull request will not be merged in the usual way.
+Instead a member of the twitter-kit-unity team will post a message in the pull request
+thread when your changes have made their way back to GitHub, and the pull
+request will be closed. The changes in the pull request will be collapsed into a single commit,
+but the authorship metadata will be preserved.
+
+Please let us know if you have any questions about this process!

ISSUE_TEMPLATE.md

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+This form is for reporting issues in the Twitter Kit for Unity library. For all other developer questions/issues about Twitter please visit [Twitter Community](https://twittercommunity.com/).
+
+**Bug Report**
+
+We work constantly to fix bugs, tweak functionality and improve device support. Providing detailed feedback will help us to quickly resolve your issue.
+
+* Steps to reproduce the problem (include logs and/or sample code where appropriate):
+* Expected behavior:
+* SDK Version:
+* Unity Version:
+* Device name and OS version:
+
+**Feature Request**
+
+We are seeking fix contributions over external feature PRs. If you have anything you'd like to contribute, we recommend discussing it with the core team before writing it.
+
+* Describe the feature in as much detail as possible:
+* Include sample usage where appropriate:

LICENSE

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+                                 Apache License
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+
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+

Native/TwitterKitAndroidWrapper/.gitignore

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+*.iml
+.gradle
+/local.properties
+.idea
+.DS_Store
+build
+/captures
+.externalNativeBuild

Native/TwitterKitAndroidWrapper/app/build.gradle

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+apply plugin: 'com.android.library'
+apply plugin: UnityPlugin
+
+android {
+    compileSdkVersion 25
+    buildToolsVersion "25.0.0"
+    defaultConfig {
+        minSdkVersion 14
+        targetSdkVersion 25
+        versionCode 1
+        versionName version
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        setProperty("archivesBaseName", "${pom_artifact_id}-${versionName}")
+    }
+    buildTypes {
+        debug {
+            buildConfigField "String", "GROUP", "\"${pom_group_id}\""
+            buildConfigField "String", "ARTIFACT_ID", "\"${pom_artifact_id}\""
+            buildConfigField "long", "BUILD_TIME", "${System.currentTimeMillis()}L"
+        }
+        release {
+            buildConfigField "String", "GROUP", "\"${pom_group_id}\""
+            buildConfigField "String", "ARTIFACT_ID", "\"${pom_artifact_id}\""
+            buildConfigField "long", "BUILD_TIME", "${System.currentTimeMillis()}L"
+        }
+    }
+}
+
+dependencies {
+    provided fileTree(dir: 'libs', include: ['*.jar'])
+    compile 'com.twitter.sdk.android:twitter-core:3.0.0'
+    compile 'com.twitter.sdk.android:tweet-composer:3.0.0'
+}
+
+class UnityPlugin implements Plugin<Project> {
+    @Override
+    void apply(final Project project) {
+        if (!project.plugins.findPlugin('com.android.library') &&
+                !project.plugins.findPlugin('android-library')) {
+            throw new ProjectConfigurationException(
+                    'UnityPlugin requires android-library or com.android.library plugin', null)
+        }
+
+        // Base directory for intermediate unity files
+        def unityBaseDir = new File("${project.buildDir}/outputs/unity_plugin/")
+
+        project.afterEvaluate {
+            project.android['libraryVariants'].each { variant ->
+                // Gather all the dependencies for current variant
+                def allDependencies = variant.getSourceSets()
+                        .collect { project.configurations.getByName(it.getCompileConfigurationName()) }
+                        .inject([], { list, value -> list + value })
+
+                // Delete working directory
+                def deleteAssetsTask = project.tasks.create(name: "${variant.name}DeleteUnityAssets", type: Delete) {
+                    delete unityBaseDir
+                }
+
+                // Copy jar dependencies
+                def copyJarAssetsTask = project.tasks.create(name: "${variant.name}CopyUnityJarAssets", type: Copy) {
+                    into unityBaseDir
+                    from allDependencies.findAll { it.name.endsWith('jar') && it.name != "unity.jar" }
+                }
+
+                // Copy aar library and dependencies for Unity 5+
+                def copyAarAssetsTask = project.tasks.create(name: "${variant.name}CopyUnityAarAssets", type: Copy) {
+                    into unityBaseDir
+                    from variant.outputs.collect { it.outputFile }
+                    from allDependencies.findAll { it.name.endsWith('aar') }
+                }
+
+                // Root Unity 5 task
+                project.tasks.create(name: "${variant.name}CreateUnityPackage") {
+                    dependsOn copyAarAssetsTask
+                    copyAarAssetsTask.dependsOn copyJarAssetsTask
+                    copyJarAssetsTask.dependsOn deleteAssetsTask
+                    deleteAssetsTask.dependsOn variant.assemble
+                }
+            }
+        }
+    }
+}

Native/TwitterKitAndroidWrapper/app/gradle.properties

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+#
+# Copyright (C) 2015 Twitter, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+#
+
+# The to be released version. When releasing, drop -SNAPSHOT. After releasing, bump version
+# number and add back -SNAPSHOT
+version=3.0.0
+version_code=1
+
+pom_name=Twitter Unity Android SDK
+pom_group_id=com.twitter.sdk.android
+pom_artifact_id=twitter-unity
+pom_packaging=aar

Native/TwitterKitAndroidWrapper/app/proguard-rules.pro

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+# Proguard config for JNI helper
+-keep class com.twitter.sdk.android.unity.TwitterKit { *; }

Native/TwitterKitAndroidWrapper/app/src/main/AndroidManifest.xml

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+<!--
+  ~ Copyright (C) 2015 Twitter, Inc.
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  ~
+  -->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          package="com.twitter.sdk.android.unity">
+    <application>
+        <activity android:name="com.twitter.sdk.android.unity.LoginActivity"/>
+    </application>
+</manifest>