Indoor location app is crashing while running

Prerequisites

[X ] Put an X between the brackets on this line if you have done all of the following:
- My beacons have Estimote Location packet enabled (Check it in the Estimote Cloud, or via app)
- My Android device/devices supports BLE and has Android OS version >= 5.0.0
- My Android device/devices have bluetooth enabled
- My app has Location Permissions granted

Basic information

Estimote SDK version: [indoorsdk:2.0.1]

Android devices affected: [Redmi Note $]

Android OS version affected: [Android OS version (Nougat 7.0.0)]

Beacon hardware version: [F3.3]

Description

[My Indoor Location app is crashing while running. I want to pass location Id and display the location according to the location id.]

Steps to reproduce:

[I have changed App ID and App token]
[I have my location name]
[and so on...]

Expected behavior: [ My current indoor location]

Actual behavior: [ App is crashing without loading anything]

(Optional) Additional information

Add here any logs you want to attach, or any other info, like pictures for example

I am copying my code below.

import android.support.v7.app.AppCompatActivity; import android.os.Bundle;

import com.estimote.cloud_plugin.common.EstimoteCloudCredentials; import com.estimote.indoorsdk.IndoorLocationManagerBuilder; import com.estimote.indoorsdk_module.algorithm.IndoorLocationManager; import com.estimote.indoorsdk_module.algorithm.OnPositionUpdateListener; import com.estimote.indoorsdk_module.algorithm.ScanningIndoorLocationManager; import com.estimote.indoorsdk_module.cloud.CloudCallback; import com.estimote.indoorsdk_module.cloud.EstimoteCloudException; import com.estimote.indoorsdk_module.cloud.IndoorCloudManager; import com.estimote.indoorsdk_module.cloud.IndoorCloudManagerFactory; import com.estimote.indoorsdk_module.cloud.Location; import com.estimote.indoorsdk_module.cloud.LocationPosition; import com.estimote.indoorsdk_module.view.IndoorLocationView;

public class MainActivity extends AppCompatActivity { public IndoorLocationManager indoorLocationManager; public Location location; IndoorLocationView indoorView;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    IndoorCloudManager cloudManager = new IndoorCloudManagerFactory().create(getApplicationContext(), new EstimoteCloudCredentials("YOUR-APP-ID", "YOUR-APP-TOKEN"));
    cloudManager.getLocation("my-kitchen", new CloudCallback<Location>() {
        @Override
        public void success(Location location) {
            // store the Location object for later,
            // you will need it to initialize the IndoorLocationManager!
            //
            // you can also pass it to IndoorLocationView to display a map:
            indoorView = (IndoorLocationView) findViewById(R.id.indoor_view);
             indoorView.setLocation(location);
        }

        @Override
        public void failure(EstimoteCloudException e) {
            // oops!
        }
    });
    ScanningIndoorLocationManager indoorLocationManager =
            new IndoorLocationManagerBuilder(this, location, new EstimoteCloudCredentials("indoorappone-iaa", "29351fc19660c463a1a813d6271bdd8d"))
                    .withDefaultScanner()
                    .build();
    indoorLocationManager.setOnPositionUpdateListener(new OnPositionUpdateListener() {
        @Override
        public void onPositionUpdate(LocationPosition position) {
            // here, we update the IndoorLocationView with the current position,
            // but you can use the position for anything you want
            indoorView.updatePosition(position);
        }

        @Override
        public void onPositionOutsideLocation() {
            indoorView.hidePosition();
        }
    });

}
@Override
protected void onStart() {
    super.onStart();
    indoorLocationManager.startPositioning();
}

@Override
protected void onStop() {
    super.onStop();
    indoorLocationManager.stopPositioning();
}

}

I am getting the following errors.

02-03 16:12:32.540 2043-2043/com.sangamone.indoorlocation.indoordemo4 E/AndroidRuntime: FATAL EXCEPTION: main Process: com.sangamone.indoorlocation.indoordemo4, PID: 2043 java.lang.RuntimeException: Unable to start activity ComponentInfo{com.sangamone.indoorlocation.indoordemo4/com.sangamone.indoorlocation.indoordemo4.MainActivity}: java.lang.NullPointerException: Attempt to invoke interface method 'void com.estimote.indoorsdk_module.algorithm.ScanningIndoorLocationManager.startPositioning()' on a null object reference at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2724) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2785) at android.app.ActivityThread.-wrap12(ActivityThread.java) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1532) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:163) at android.app.ActivityThread.main(ActivityThread.java:6342) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:880) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:770) Caused by: java.lang.NullPointerException: Attempt to invoke interface method 'void com.estimote.indoorsdk_module.algorithm.ScanningIndoorLocationManager.startPositioning()' on a null object reference at com.sangamone.indoorlocation.indoordemo4.MainActivity.onStart(MainActivity.java:78) at android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1249) at android.app.Activity.performStart(Activity.java:6873) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2687) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2785) at android.app.ActivityThread.-wrap12(ActivityThread.java) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1532) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:163) at android.app.ActivityThread.main(ActivityThread.java:6342) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:880) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:770)

Following is my updated code,

package com.sangamone.indoorlocation.indoordemo4;

import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.util.Log;

import com.estimote.indoorsdk.IndoorLocationManagerBuilder; import com.estimote.indoorsdk_module.algorithm.OnPositionUpdateListener; import com.estimote.indoorsdk_module.algorithm.ScanningIndoorLocationManager; import com.estimote.indoorsdk_module.cloud.CloudCallback; import com.estimote.indoorsdk_module.cloud.EstimoteCloudException; import com.estimote.indoorsdk_module.cloud.IndoorCloudManager; import com.estimote.indoorsdk_module.cloud.IndoorCloudManagerFactory; import com.estimote.indoorsdk_module.cloud.Location; import com.estimote.indoorsdk_module.cloud.LocationPosition; import com.estimote.indoorsdk_module.view.IndoorLocationView; import com.estimote.internal_plugins_api.cloud.CloudCredentials; import com.estimote.cloud_plugin.common.EstimoteCloudCredentials;

public class MainActivity extends AppCompatActivity {

IndoorLocationView indoorLocationView;
Location loc;
ScanningIndoorLocationManager indoorLocationManager;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    indoorLocationView = (IndoorLocationView) findViewById(R.id.indoor_view);
    //indoorLocationView.setLocation(location);

    final CloudCredentials cloudCredentials = new EstimoteCloudCredentials("sangamoneindoor-jsm", "8c2be70b812ee53f08b6dd9a965cf010");
    IndoorCloudManager cloudManager = new IndoorCloudManagerFactory().create(this, cloudCredentials);
    cloudManager.getLocation("location2-9wk", new CloudCallback<Location>() {
        @Override
        public void success(Location location) {
            // do something with your Location object here.
            // You will need it to initialise IndoorLocationManager!
            indoorLocationView = (IndoorLocationView) findViewById(R.id.indoor_view);
            indoorLocationView.setLocation(location);
            loc = location;

            Log.d("locationlocation", "" + location);
            indoorLocationManager =
                    new IndoorLocationManagerBuilder(getApplicationContext(), location, cloudCredentials)
                            .withDefaultScanner()
                            .build();

            indoorLocationManager.setOnPositionUpdateListener(new OnPositionUpdateListener() {
                @Override
                public void onPositionUpdate(LocationPosition locationPosition) {
                    indoorLocationView.updatePosition(locationPosition);
                }

                @Override
                public void onPositionOutsideLocation() {

                    indoorLocationView.hidePosition();
                }
            });
        }

        @Override
        public void failure(EstimoteCloudException e) {
            // oops!
        }
    });

}

@Override
protected void onStart() {
    super.onStart();
    indoorLocationManager.startPositioning();

}

@Override
protected void onStop() {
    super.onStop();

}

}

Estimote / Android-Indoor-SDK