Added Status Bar and Fixed navbar to api level > 21

android/src/main/java/com/bhavan/RNNavBarColor/RNNavBarColorModule.java

@@ -3,6 +3,7 @@ package com.bhavan.RNNavBarColor;
 import android.app.Activity;
 import android.view.Window;
 import android.graphics.Color;
+import android.os.Build;
 
 import com.facebook.react.bridge.ReactContextBaseJavaModule;
 import com.facebook.react.bridge.Callback;
@@ -13,6 +14,7 @@ import com.facebook.react.bridge.ReactContext;
 import com.facebook.react.bridge.ReactMethod;
 
 import java.util.Map;
+import java.util.HashMap;
 
 public class RNNavBarColorModule extends ReactContextBaseJavaModule {
     public RNNavBarColorModule(ReactApplicationContext reactContext) {
@@ -35,4 +37,12 @@ public class RNNavBarColorModule extends ReactContextBaseJavaModule {
             }
         });
     }
+
+    @Override
+    public Map<String, Object> getConstants() {
+        HashMap<String, Object> constants = new HashMap<String, Object>();
+        constants.put("apiLevel", Build.VERSION.SDK_INT);
+        return constants;
+    }
+
 }

index.js

@@ -1,3 +1,30 @@
-import { NativeModules } from 'react-native'
+import { Platform, StatusBar, NativeModules } from 'react-native'
 
-export default NativeModules.RNNavBarColor
+let NavigationBar = NativeModules.RNNavBarColor;
+
+module.exports = {
+   getAPILevel: () => {
+      if (Platform.OS == 'android') {
+         return NavigationBar.apiLevel;
+      }
+   },
+   setColor: (color) => {
+      if (Platform.OS == 'android' && NavigationBar.apiLevel >= 21) {
+         return NavigationBar.setColor(color);
+      }
+   },
+   setStatusBarColor: (color, animation) => {
+      return StatusBar.setBackgroundColor(color, animation);
+   },
+   setStatusBarTheme: (theme, animation) => {
+      if (theme == 'light') {
+         return StatusBar.setBarStyle('light-content', animation);
+      }
+      else if (theme == 'dark') {
+         return StatusBar.setBarStyle('dark-content', animation);
+      }
+      else {
+         return StatusBar.setBarStyle('default', animation);
+      }
+   }
+}