[android] - add downstream project integration in a seperate test mod…

…ule + navigation launcher activity

platform/android/MapboxGLDownstreamTestApp/.gitignore

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+/build

platform/android/MapboxGLDownstreamTestApp/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 28
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
+    def getGitHash = { ->
+        try {
+            def stdout = new ByteArrayOutputStream()
+            exec {
+                commandLine 'git', 'rev-parse', '--short', 'HEAD'
+                standardOutput = stdout
+            }
+            return stdout.toString().trim()
+        } catch (Exception exception) {
+            return ""
+        }
+    }
+
+    defaultConfig {
+        applicationId "com.mapbox.mapboxsdk.downstream.testapp"
+        minSdkVersion 14
+        targetSdkVersion 28
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        buildConfigField "String", "GIT_HASH", "\"${getGitHash()}\""
+
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+
+}
+
+dependencies {
+    api(project(':MapboxGLAndroidSDK'))
+    implementation("com.mapbox.mapboxsdk:mapbox-android-navigation-ui:0.34.0") {
+        exclude group: 'com.mapbox.mapboxsdk', module: 'mapbox-android-sdk'
+    }
+
+    // Butter Knife
+    implementation "com.jakewharton:butterknife:8.8.1"
+    annotationProcessor "com.jakewharton:butterknife-compiler:8.8.1"
+
+    implementation 'com.android.support:appcompat-v7:28.0.0'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.2'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+}

platform/android/MapboxGLDownstreamTestApp/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

platform/android/MapboxGLDownstreamTestApp/src/androidTest/java/com/mapbox/mapboxsdk/downstream/testapp/ExampleInstrumentedTest.java

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+package com.mapbox.mapboxsdk.downstream.testapp;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+  @Test
+  public void useAppContext() {
+    // Context of the app under test.
+    Context appContext = InstrumentationRegistry.getTargetContext();
+
+    assertEquals("com.mapbox.mapboxsdk.downstream.testapp", appContext.getPackageName());
+  }
+}

platform/android/MapboxGLDownstreamTestApp/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          package="com.mapbox.mapboxsdk.downstream.testapp">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity android:name=".NavigationLauncherActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+
+        <activity
+            android:name=".NavigationSettingsActivity"
+            android:label="Settings">
+            <meta-data
+                android:name="android.support.PARENT_ACTIVITY"
+                android:value=".NavigationLauncherActivity"/>
+        </activity>
+    </application>
+
+</manifest>