[BREAKING] Support RN 0.55 (#3342)

* Support RN 0.55.4

This commit adds support for RN 0.55.4 by introducing version specific build flavors - reactNative51

* Update scripts after introducing build flavors

* Update Android installation instruction on specifying build flavor

docs/docs/Installing.md

 	    defaultConfig {
 	        minSdkVersion 19
 	        targetSdkVersion 25
+	        missingDimensionStrategy "RNN.reactNativeVersion", "reactNative51" // <- See note below for further instruction regarding compatibility with other React Native versions
 		...
 	    }
 	
 	    implementation project(':react-native-navigation')
 	}
 	```
-	
+	> react-native-navigation supports multiple React Native versions. Target the React Native version required by your project by specifying the RNN build flavor you require.
+><br><br>Available options:
+>
+>* `reactNative51`: Support for React Native 0.51-0.54
+>* `reactNative55`: Support for React Native 0.55 and above
+>
+><br>For example, To target React Native 0.55, replace the following line:<br>
+>`missingDimensionStrategy "RNN.reactNativeVersion", "reactNative51"`
+><br>with:<br>
+>`missingDimensionStrategy "RNN.reactNativeVersion", "reactNative55"`
+
 4. Make sure you're using the new gradle plugin, edit `android/gradle/wrapper/gradle-wrapper.properties`
 
 	```diff

lib/android/app/build.gradle

         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
+    flavorDimensions "RNN.reactNativeVersion"
+    productFlavors {
+        reactNative51 {
+            dimension "RNN.reactNativeVersion"
+        }
+        reactNative55 {
+            dimension "RNN.reactNativeVersion"
+        }
+    }
 }
 
 allprojects { p ->
     implementation 'com.aurelhubert:ahbottomnavigation:2.1.0'
     implementation 'com.github.clans:fab:1.6.4'
 
-
-    // node_modules
     //noinspection GradleDynamicVersion
     implementation 'com.facebook.react:react-native:+'
 

lib/android/app/src/reactNative55/java/com/reactnativenavigation/react/SyncUiImplementation.java

+package com.reactnativenavigation.react;
+
+import android.support.annotation.Nullable;
+
+import com.facebook.react.bridge.ReactApplicationContext;
+import com.facebook.react.bridge.ReadableArray;
+import com.facebook.react.bridge.ReadableMap;
+import com.facebook.react.uimanager.ThemedReactContext;
+import com.facebook.react.uimanager.UIImplementation;
+import com.facebook.react.uimanager.UIImplementationProvider;
+import com.facebook.react.uimanager.UIManagerModule;
+import com.facebook.react.uimanager.ViewManager;
+import com.facebook.react.uimanager.common.MeasureSpecProvider;
+import com.facebook.react.uimanager.common.SizeMonitoringFrameLayout;
+import com.facebook.react.uimanager.events.EventDispatcher;
+
+import java.util.List;
+
+@SuppressWarnings("WeakerAccess")
+public class SyncUiImplementation extends UIImplementation {
+    private static final Object lock = new Object();
+
+    public static class Provider extends UIImplementationProvider {
+        @Override
+        public UIImplementation createUIImplementation(ReactApplicationContext reactContext, List<ViewManager> viewManagerList, EventDispatcher eventDispatcher, int minTimeLeftInFrameForNonBatchedOperationMs) {
+            return new SyncUiImplementation(reactContext, viewManagerList, eventDispatcher, minTimeLeftInFrameForNonBatchedOperationMs);
+        }
+
+        @Override
+        public UIImplementation createUIImplementation(ReactApplicationContext reactContext, UIManagerModule.ViewManagerResolver viewManagerResolver, EventDispatcher eventDispatcher, int minTimeLeftInFrameForNonBatchedOperationMs) {
+            return new SyncUiImplementation(reactContext, viewManagerResolver, eventDispatcher, minTimeLeftInFrameForNonBatchedOperationMs);
+        }
+    }
+
+    public SyncUiImplementation(ReactApplicationContext reactContext, List<ViewManager> viewManagerList, EventDispatcher eventDispatcher, int minTimeLeftInFrameForNonBatchedOperationMs) {
+        super(reactContext, viewManagerList, eventDispatcher, minTimeLeftInFrameForNonBatchedOperationMs);
+    }
+
+    public SyncUiImplementation(ReactApplicationContext reactContext, UIManagerModule.ViewManagerResolver viewManagerResolver, EventDispatcher eventDispatcher, int minTimeLeftInFrameForNonBatchedOperationMs) {
+        super(reactContext, viewManagerResolver, eventDispatcher, minTimeLeftInFrameForNonBatchedOperationMs);
+    }
+
+    @Override
+    public void manageChildren(
+            int viewTag,
+            @Nullable ReadableArray moveFrom,
+            @Nullable ReadableArray moveTo,
+            @Nullable ReadableArray addChildTags,
+            @Nullable ReadableArray addAtIndices,
+            @Nullable ReadableArray removeFrom) {
+        synchronized (lock) {
+            super.manageChildren(viewTag, moveFrom, moveTo, addChildTags, addAtIndices, removeFrom);
+        }
+    }
+
+    @Override
+    public void setChildren(int viewTag, ReadableArray childrenTags) {
+        synchronized (lock) {
+            super.setChildren(viewTag, childrenTags);
+        }
+    }
+
+    @Override
+    public void createView(int tag, String className, int rootViewTag, ReadableMap props) {
+        synchronized (lock) {
+            super.createView(tag, className, rootViewTag, props);
+        }
+    }
+
+    @Override
+    public void removeRootShadowNode(int rootViewTag) {
+        synchronized (lock) {
+            super.removeRootShadowNode(rootViewTag);
+        }
+    }
+
+    @Override
+    public <T extends SizeMonitoringFrameLayout & MeasureSpecProvider> void registerRootView(T rootView, int tag, ThemedReactContext context) {
+        synchronized (lock) {
+            super.registerRootView(rootView, tag, context);
+        }
+    }
+}

package.json

       },
       "android.emu.debug": {
         "binaryPath": "playground/android/app/build/outputs/apk/debug/app-debug.apk",
-        "build": "cd playground/android && ./gradlew assembleDebug assembleAndroidTest -DtestBuildType=debug",
+        "build": "cd playground/android && ./gradlew app:assembleDebug app:assembleAndroidTest -DtestBuildType=debug",
         "type": "android.emulator",
         "name": "Pixel_2_API_26"
       },
       "android.emu.release": {
         "binaryPath": "playground/android/app/build/outputs/apk/release/app-release.apk",
-        "build": "cd playground/android && ./gradlew assembleRelease assembleAndroidTest -DtestBuildType=release",
+        "build": "cd playground/android && ./gradlew app:assembleRelease app:assembleAndroidTest -DtestBuildType=release",
         "type": "android.emulator",
         "name": "Pixel_2_API_26"
       }

playground/android/app/build.gradle

         }
 
         testBuildType System.getProperty('testBuildType', 'debug')  //this will later be used to control the test apk build type
-        missingDimensionStrategy "minReactNative", "minReactNative46" //read note
+        missingDimensionStrategy "minReactNative", "minReactNative46"
+        missingDimensionStrategy "RNN.reactNativeVersion", "reactNative51"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
     signingConfigs {
 
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
-    implementation ('com.facebook.react:react-native:0.51.1') { force = true }
     implementation 'com.android.support:design:25.4.0'
     implementation "com.android.support:appcompat-v7:25.4.0"
+
+    //noinspection GradleDynamicVersion
+    implementation 'com.facebook.react:react-native:+'
     implementation project(':react-native-navigation')
 
-    androidTestImplementation(project(path: ":detox"))
+    androidTestImplementation(project(':detox'))
     androidTestImplementation 'junit:junit:4.12'
     androidTestImplementation 'com.android.support.test:runner:1.0.1'
     androidTestImplementation 'com.android.support.test:rules:1.0.1'

playground/android/build.gradle

         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.1'
+        classpath 'com.android.tools.build:gradle:3.1.3'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files

scripts/test-unit.js

 }
 
 function runAndroidUnitTests() {
-  const conf = release ? 'testReleaseUnitTest' : 'testDebugUnitTest';
+  const conf = release ? 'testReactNative51ReleaseUnitTest' : 'testReactNative51DebugUnitTest';
 
   exec.execSync(`cd lib/android && ./gradlew ${conf}`);
 }