Fix can't run to android

android/app/build.gradle

@@ -94,13 +94,13 @@ def enableSeparateBuildPerCPUArchitecture = false
 def enableProguardInReleaseBuilds = false
 
 android {
-    compileSdkVersion 25
-    buildToolsVersion "25.0.1"
+    compileSdkVersion 27
+    buildToolsVersion '27.0.3'
 
     defaultConfig {
         applicationId "com.reduxforreactnativedemo"
         minSdkVersion 16
-        targetSdkVersion 22
+        targetSdkVersion 27
         versionCode 1
         versionName "1.0"
         ndk {
@@ -138,7 +138,8 @@ android {
 
 dependencies {
     compile fileTree(dir: "libs", include: ["*.jar"])
-    compile "com.android.support:appcompat-v7:23.0.1"
+    compile 'com.android.support:design:27.1.1'
+    compile "com.android.support:appcompat-v7:27.1.1"
     compile "com.facebook.react:react-native:+"  // From node_modules
     compile project(':react-native-navigation')
 }

android/app/src/main/java/com/reduxforreactnativedemo/MainActivity.java

@@ -1,16 +1,7 @@
 package com.reduxforreactnativedemo;
 
-import com.facebook.react.ReactActivity;
 import com.reactnativenavigation.controllers.SplashActivity;
 
 public class MainActivity extends SplashActivity {
 
-    /**
-     * Returns the name of the main component registered from JavaScript.
-     * This is used to schedule rendering of the component.
-     */
-    @Override
-    protected String getMainComponentName() {
-        return "ReduxForReactNativeDemo";
-    }
 }

android/app/src/main/java/com/reduxforreactnativedemo/MainApplication.java

@@ -1,43 +1,29 @@
 package com.reduxforreactnativedemo;
 
-import android.app.Application;
-
-import com.facebook.react.ReactApplication;
-import com.reactnativenavigation.NavigationReactPackage;
-import com.facebook.react.ReactNativeHost;
 import com.facebook.react.ReactPackage;
-import com.facebook.react.shell.MainReactPackage;
-import com.facebook.soloader.SoLoader;
 
 import java.util.Arrays;
 import java.util.List;
 import com.reactnativenavigation.NavigationApplication;
 
- public class MainApplication extends NavigationApplication {
-
-     @Override
-     public boolean isDebug() {
-         // Make sure you are using BuildConfig from your own application
-         return BuildConfig.DEBUG;
-     }
-
-     protected List<ReactPackage> getPackages() {
-         // Add additional packages you require here
-         // No need to add RnnPackage and MainReactPackage
-         return Arrays.<ReactPackage>asList(
-             new MainReactPackage(),
-             new NavigationReactPackage()
-         );
-     }
-
-     @Override
-     public List<ReactPackage> createAdditionalReactPackages() {
-         return getPackages();
-     }
-
-     @Override
-     public String getJSMainModuleName() {
-         return "index";
-     }
- }
+public class MainApplication extends NavigationApplication {
+    @Override
+    public boolean isDebug() {
+        return BuildConfig.DEBUG;
+    }
+
+
+    @Override
+    public List<ReactPackage> createAdditionalReactPackages() {
+        return Arrays.<ReactPackage>asList(
+              //
+        );
+    }
+
+    @Override
+    public String getJSMainModuleName() {
+        return "index";
+    }
+}
+
 

android/build.gradle

@@ -16,9 +16,23 @@ allprojects {
     repositories {
         mavenLocal()
         jcenter()
+        maven {
+                    url 'https://maven.google.com'
+                }
         maven {
             // All of React Native (JS, Obj-C sources, Android binaries) is installed from npm
             url "$rootDir/../node_modules/react-native/android"
         }
     }
 }
+
+subprojects {
+     afterEvaluate {
+         project -> if (project.hasProperty("android")) {
+             android {
+                 compileSdkVersion 27
+                 buildToolsVersion '27.0.3'
+             }
+         }
+     }
+ }