react-native-navigation/android/app/src/main/java/com/reactnativenavigation/controllers/NavigationCommandsHandler.java

package com.reactnativenavigation.controllers;

import android.content.Intent;
import android.os.Bundle;

import com.reactnativenavigation.NavigationApplication;
import com.reactnativenavigation.params.ActivityParams;
import com.reactnativenavigation.params.ScreenParams;
import com.reactnativenavigation.params.parsers.ActivityParamsParser;
import com.reactnativenavigation.params.parsers.ScreenParamsParser;

public class NavigationCommandsHandler {

    private static final String ACTIVITY_PARAMS_BUNDLE = "ACTIVITY_PARAMS_BUNDLE";

    static ActivityParams getActivityParams(Intent intent) {
        return ActivityParamsParser.parse(intent.getBundleExtra(NavigationCommandsHandler.ACTIVITY_PARAMS_BUNDLE));
    }

    /**
     * start a new activity with CLEAR_TASK | NEW_TASK
     *
     * @param params ActivityParams as bundle
     */
    public static void startApp(Bundle params) {
        Intent intent = new Intent(NavigationApplication.instance, NavigationActivity.class);
        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK | Intent.FLAG_ACTIVITY_NEW_TASK);
        intent.putExtra(ACTIVITY_PARAMS_BUNDLE, params);
        NavigationApplication.instance.startActivity(intent);
    }

    public static void push(Bundle screenParams) {
        final NavigationActivity currentActivity = NavigationActivity.currentActivity;
        if (currentActivity == null) {
            return;
        }

        final ScreenParams params = ScreenParamsParser.parse(screenParams);
        NavigationApplication.instance.runOnMainThread(new Runnable() {
            @Override
            public void run() {
                currentActivity.push(params);
            }
        });
    }


    public static void pop(Bundle screenParams) {
        final NavigationActivity currentActivity = NavigationActivity.currentActivity;
        if (currentActivity == null) {
            return;
        }

        final ScreenParams params = ScreenParamsParser.parse(screenParams);
        NavigationApplication.instance.runOnMainThread(new Runnable() {
            @Override
            public void run() {
                currentActivity.pop(params);
            }
        });
    }

    public static void popToRoot(Bundle screenParams) {
        final NavigationActivity currentActivity = NavigationActivity.currentActivity;
        if (currentActivity == null) {
            return;
        }

        final ScreenParams params = ScreenParamsParser.parse(screenParams);
        NavigationApplication.instance.runOnMainThread(new Runnable() {
            @Override
            public void run() {
                currentActivity.popToRoot(params);
            }
        });
    }

    public static void newStack(Bundle screenParams) {
        final NavigationActivity currentActivity = NavigationActivity.currentActivity;
        if (currentActivity == null) {
            return;
        }

        final ScreenParams params = ScreenParamsParser.parse(screenParams);
        NavigationApplication.instance.runOnMainThread(new Runnable() {
            @Override
            public void run() {
                currentActivity.newStack(params);
            }
        });
    }

    public static void setTopBarVisible(final String screenInstanceID, final boolean hidden, final boolean animated) {
        final NavigationActivity currentActivity = NavigationActivity.currentActivity;
        if (currentActivity == null) {
            return;
        }

        NavigationApplication.instance.runOnMainThread(new Runnable() {
            @Override
            public void run() {
                currentActivity.setTopBarVisible(screenInstanceID, hidden, animated);
            }
        });
    }
}