/*
 * Copyright (c) 2016 by Vinicius Fagundes. All rights reserved.
 *
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apache License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://opensource.org/licenses/Apache-2.0/ and read it before using this
 * file.
 *
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 *
 */

package com.viniciusfagundes.cordova.plugin.navigationbar;

import android.app.Activity;
import android.graphics.Color;
import android.os.Build;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;

import org.apache.cordova.CallbackContext;
import org.apache.cordova.CordovaArgs;
import org.apache.cordova.CordovaInterface;
import org.apache.cordova.CordovaPlugin;
import org.apache.cordova.CordovaWebView;
import org.apache.cordova.LOG;
import org.apache.cordova.PluginResult;
import org.json.JSONException;

public class NavigationBar extends CordovaPlugin {
    private static final String TAG = "NavigationBar";

    /**
     * Sets the context of the Command. This can then be used to do things like
     * get file paths associated with the Activity.
     *
     * @param cordova The context of the main Activity.
     * @param webView The CordovaWebView Cordova is running in.
     */
    @Override
    public void initialize(final CordovaInterface cordova, CordovaWebView webView) {
        LOG.v(TAG, "NavigationBar: initialization");
        super.initialize(cordova, webView);

        this.cordova.getActivity().runOnUiThread(new Runnable() {
            @Override
            public void run() {
                // Clear flag FLAG_FORCE_NOT_FULLSCREEN which is set initially
                // by the Cordova.
                Window window = cordova.getActivity().getWindow();
                window.clearFlags(WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN);

                // Read 'NavigationBarBackgroundColor' from config.xml, default is #000000.
                setNavigationBarBackgroundColor(preferences.getString("NavigationBarBackgroundColor", "#000000"));
            }
        });
    }

    /**
     * Executes the request and returns PluginResult.
     *
     * @param action          The action to execute.
     * @param args            JSONArry of arguments for the plugin.
     * @param callbackContext The callback id used when calling back into JavaScript.
     * @return True if the action was valid, false otherwise.
     */
    @Override
    public boolean execute(final String action, final CordovaArgs args, final CallbackContext callbackContext) throws JSONException {
        LOG.v(TAG, "Executing action: " + action);
        final Activity activity = this.cordova.getActivity();
        final Window window = activity.getWindow();

        if ("_ready".equals(action)) {
            boolean navigationBarVisible = (window.getAttributes().flags & WindowManager.LayoutParams.FLAG_FULLSCREEN) == 0;
            callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.OK, navigationBarVisible));
            return true;
        }

        if ("show".equals(action)) {
            this.cordova.getActivity().runOnUiThread(new Runnable() {
                @Override
                public void run() {
                    // SYSTEM_UI_FLAG_FULLSCREEN is available since JellyBean, but we
                    // use KitKat here to be aligned with "Fullscreen"  preference
                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
                        int uiOptions = window.getDecorView().getSystemUiVisibility();
                        uiOptions &= ~View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION;
                        uiOptions &= ~View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;

                        window.getDecorView().setSystemUiVisibility(uiOptions);

                        window.getDecorView().setOnFocusChangeListener(null);
                        window.getDecorView().setOnSystemUiVisibilityChangeListener(null);
                    }

                    // CB-11197 We still need to update LayoutParams to force navigation bar
                    // to be hidden when entering e.g. text fields
                    window.clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
                }
            });
            return true;
        }

        if ("hide".equals(action)) {
            this.cordova.getActivity().runOnUiThread(new Runnable() {
                @Override
                public void run() {
                    // SYSTEM_UI_FLAG_FULLSCREEN is available since JellyBean, but we
                    // use KitKat here to be aligned with "Fullscreen"  preference
                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
                        final int uiOptions = window.getDecorView().getSystemUiVisibility()
                                | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
                                | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;

                        window.getDecorView().setSystemUiVisibility(uiOptions);

                        window.getDecorView().setOnFocusChangeListener(new View.OnFocusChangeListener() {
                            @Override
                            public void onFocusChange(View v, boolean hasFocus) {
                                if (hasFocus) {
                                    window.getDecorView().setSystemUiVisibility(uiOptions);
                                }
                            }
                        });

                        window.getDecorView().setOnSystemUiVisibilityChangeListener(new View.OnSystemUiVisibilityChangeListener() {
                            @Override
                            public void onSystemUiVisibilityChange(int visibility) {
                                window.getDecorView().setSystemUiVisibility(uiOptions);
                            }
                        });
                    }

                    // CB-11197 We still need to update LayoutParams to force navigation bar
                    // to be hidden when entering e.g. text fields
                    //window.addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
                }
            });
            return true;
        }

        if ("backgroundColorByHexString".equals(action)) {
            this.cordova.getActivity().runOnUiThread(new Runnable() {
                @Override
                public void run() {
                    try {
                        setNavigationBarBackgroundColor(args.getString(0));
                    } catch (JSONException ignore) {
                        LOG.e(TAG, "Invalid hexString argument, use f.i. '#777777'");
                    }
                }
            });
            return true;
        }

        return false;
    }

    private void setNavigationBarBackgroundColor(final String colorPref) {
        if (Build.VERSION.SDK_INT >= 21) {
            if (colorPref != null && !colorPref.isEmpty()) {
                final Window window = cordova.getActivity().getWindow();
                // Method and constants not available on all SDKs but we want to be able to compile this code with any SDK
                window.clearFlags(0x04000000); // SDK 19: WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
                window.addFlags(0x80000000); // SDK 21: WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
                try {
                    // Using reflection makes sure any 5.0+ device will work without having to compile with SDK level 21
                    window.getClass().getDeclaredMethod("setNavigationBarColor", int.class).invoke(window, Color.parseColor(colorPref));
                } catch (IllegalArgumentException ignore) {
                    LOG.e(TAG, "Invalid hexString argument, use f.i. '#999999'");
                } catch (Exception ignore) {
                    // this should not happen, only in case Android removes this method in a version > 21
                    LOG.w(TAG, "Method window.setNavigationBarColor not found for SDK level " + Build.VERSION.SDK_INT);
                }
            }
        }
    }
}
@@ -7628,344 +7628,189 @@
     
-// Method and constants not available on all SDKs but we want to be able to compile this code with any SDK%0A                window.clearFlags
+%0A                window.getDecorView (). setSystemUiVisibility 
 (0x
+8
 0
-4
 000000
-); // SDK 19: WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);%0A                window.addFlags(
+ %7C 
 0x
-8
 000000
+1
 0); // 
-SDK 21: WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
+FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS %7C SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR%0A                
 %0A   
@@ -8548,8 +8548,9 @@
 %0A    %7D%0A%7D
+%0A

Update NavigationBar.java