E/ActivityManager: Sending non-protected broadcastで起動後クラッシュ

前提・実現したいこと

インスタグラムのコピーアプリを作っています。
CodingWithMitchというYoutubeチャンネルの動画のPart4を参考にしているのですが、
起動後すぐにクラッシュしてしまいます。
エラーメッセージを見る限り接続の問題のように見えますが、よくわかりません。

なぜこうなってしまうのか、解決法ご存知の方いらっしゃいましたらよろしくお願いいたします。

発生している問題・エラーメッセージ

AndroidManifest
1<?xml version="1.0" encoding="utf-8"?>
2<manifest xmlns:android="http://schemas.android.com/apk/res/android"
3    package="com.example.android.instagramclone">
4
5    <application
6        android:allowBackup="true"
7        android:icon="@mipmap/ic_launcher"
8        android:label="@string/app_name"
9        android:roundIcon="@mipmap/ic_launcher_round"
10        android:supportsRtl="true"
11        android:theme="@style/AppTheme">
12        <activity android:name=".HomeActivity">
13            <intent-filter>
14                <action android:name="android.intent.action.MAIN" />
15
16                <category android:name="android.intent.category.LAUNCHER" />
17            </intent-filter>
18        </activity>
19        <activity android:name=".LikesActivity"></activity>
20        <activity android:name=".ProfileActivity"></activity>
21        <activity android:name=".SearchActivity"></activity>
22        <activity android:name=".ShareActivity"></activity>
23    </application>
24
25</manifest>

2018-12-11 23:19:20.119 2240-2399/? E/ActivityManager: Sending non-protected broadcast com.fujitsu.mobile_phone.net.wifi.LOST_STREAM_AP from system 2240:system/1000 pkg android
    java.lang.Throwable
        at com.android.server.am.ActivityManagerService.checkBroadcastFromSystem(ActivityManagerService.java:18234)
        at com.android.server.am.ActivityManagerService.broadcastIntentLocked(ActivityManagerService.java:18721)
        at com.android.server.am.ActivityManagerService.broadcastIntent(ActivityManagerService.java:18903)
        at android.app.ContextImpl.sendBroadcastAsUser(ContextImpl.java:1041)
        at com.android.server.wifi.WifiStateMachine.sendLostStreamApBroadcast(WifiStateMachine.java:4135)
        at com.android.server.wifi.WifiStateMachine.-wrap39(WifiStateMachine.java)
        at com.android.server.wifi.WifiStateMachine$SupplicantStartedState.processMessage(WifiStateMachine.java:5476)
        at com.android.internal.util.StateMachine$SmHandler.processMsg(StateMachine.java:997)
        at com.android.internal.util.StateMachine$SmHandler.handleMessage(StateMachine.java:811)
        at android.os.Handler.dispatchMessage(Handler.java:102)
        at android.os.Looper.loop(Looper.java:154)
        at android.os.HandlerThread.run(HandlerThread.java:61)

該当のソースコード

homeActivity
1package com.example.android.instagramclone;
2
3import android.content.Context;
4import android.nfc.Tag;
5import android.support.v7.app.AppCompatActivity;
6import android.os.Bundle;
7import android.util.Log;
8import android.view.Menu;
9import android.view.MenuItem;
10
11import com.example.android.instagramclone.Utils.BottomNavigationViewHelper;
12import com.ittianyu.bottomnavigationviewex.BottomNavigationViewEx;
13
14public class HomeActivity extends AppCompatActivity {
15
16    //What activity it's going through
17    private static final String TAG = "HomeActivity";
18    private static final int ACTIVITY_NUM = 0;
19
20    private Context mContext = HomeActivity.this;
21
22    @Override
23    protected void onCreate(Bundle savedInstanceState) {
24        super.onCreate(savedInstanceState);
25        setContentView(R.layout.activity_home);
26        Log.d(TAG, "onCreate: starting.");
27
28        setupBottomNavigationView();
29    }
30
31    /**
32     * BottomNavigationViewSetup
33     */
34    private void setupBottomNavigationView(){
35        Log.d(TAG, "setBottomNavigationView: setting up bottomNavigationView");
36        BottomNavigationViewEx bottomNavigationViewEx = (BottomNavigationViewEx)findViewById(R.id.bottomNavViewBar);
37        BottomNavigationViewHelper.setUpBottomNavigationView(bottomNavigationViewEx);
38        BottomNavigationViewHelper.enableNavigation(mContext, bottomNavigationViewEx);
39        Menu menu = bottomNavigationViewEx.getMenu();
40        MenuItem menuItem = menu.getItem(ACTIVITY_NUM);
41        menuItem.setChecked(true);
42    }
43}
44

SearchActivity
1package com.example.android.instagramclone;
2
3import android.content.Context;
4import android.os.Bundle;
5import android.os.PersistableBundle;
6import android.support.annotation.Nullable;
7import android.support.design.internal.BottomNavigationMenu;
8import android.support.design.widget.BottomNavigationView;
9import android.support.v7.app.AppCompatActivity;
10import android.util.Log;
11import android.view.Menu;
12import android.view.MenuItem;
13
14import com.example.android.instagramclone.Utils.BottomNavigationViewHelper;
15import com.ittianyu.bottomnavigationviewex.BottomNavigationViewEx;
16
17public class SearchActivity extends AppCompatActivity {
18
19    private static final String TAG = "SearchActivity";
20    private Context mContext = SearchActivity.this;
21    private static final int ACTIVITY_NUM = 1;
22
23    @Override
24    public void onCreate(@Nullable Bundle savedInstanceState, @Nullable PersistableBundle persistentState) {
25        super.onCreate(savedInstanceState, persistentState);
26        setContentView(R.layout.activity_home);
27        Log.d(TAG, "onCreate: started.");
28
29        setupBottomNavigationView();
30    }
31
32    private void setupBottomNavigationView(){
33        Log.d(TAG, "setBottomNavigationView: setting up bottomNavigationView");
34        BottomNavigationViewEx bottomNavigationViewEx = (BottomNavigationViewEx)findViewById(R.id.bottomNavViewBar);
35        BottomNavigationViewHelper.setUpBottomNavigationView(bottomNavigationViewEx);
36        BottomNavigationViewHelper.enableNavigation(mContext, bottomNavigationViewEx);
37        Menu menu = bottomNavigationViewEx.getMenu();
38        MenuItem menuItem = menu.getItem(ACTIVITY_NUM);
39        menuItem.setChecked(true);
40    }
41}
42

BottomnavigationHelper
1package com.example.android.instagramclone.Utils;
2
3import android.content.Context;
4import android.content.Intent;
5import android.support.annotation.NonNull;
6import android.support.design.bottomnavigation.LabelVisibilityMode;
7import android.support.design.widget.BottomNavigationView;
8import android.util.Log;
9import android.view.MenuItem;
10import android.widget.SearchView;
11
12import com.example.android.instagramclone.HomeActivity;
13import com.example.android.instagramclone.LikesActivity;
14import com.example.android.instagramclone.ProfileActivity;
15import com.example.android.instagramclone.R;
16import com.example.android.instagramclone.SearchActivity;
17import com.example.android.instagramclone.ShareActivity;
18import com.ittianyu.bottomnavigationviewex.BottomNavigationViewEx;
19
20public class BottomNavigationViewHelper {
21
22    private static final String TAG = "BottomNavigationView";
23
24    public static void setUpBottomNavigationView(BottomNavigationViewEx bottomNavigationViewEx) {
25        Log.d(TAG, "setUpBottomNavigationView: setting up bottomNavigationView");
26        bottomNavigationViewEx.enableAnimation(false);
27        bottomNavigationViewEx.setTextVisibility(false);
28        bottomNavigationViewEx.setLabelVisibilityMode(1);
29        bottomNavigationViewEx.setItemHorizontalTranslationEnabled(false);
30    }
31
32    //finalでないと内部で参照できない。
33    public static void enableNavigation(final Context context, BottomNavigationViewEx view){
34        view.setOnNavigationItemSelectedListener(new BottomNavigationView.OnNavigationItemSelectedListener() {
35            @Override
36            public boolean onNavigationItemSelected(@NonNull MenuItem item) {
37                //switch to different activities
38                switch (item.getItemId()){
39                    case R.id.ic_house: //ACTIVITY_NUM = 0
40                        Intent intent1 = new Intent(context, HomeActivity.class);
41                        context.startActivity(intent1);
42                        break;
43                    case R.id.ic_search: //ACTIVITY_NUM = 1
44                        Intent intent2 = new Intent(context, SearchActivity.class);
45                        context.startActivity(intent2);
46                        break;
47                    case R.id.ic_circle:  //ACTIVITY_NUM = 2
48                        Intent intent3 = new Intent(context, ShareActivity.class);
49                        context.startActivity(intent3);
50                        break;
51                    case R.id.ic_alert: //ACTIVITY_NUM = 3
52                        Intent intent4 = new Intent(context, LikesActivity.class);
53                        context.startActivity(intent4);
54                        break;
55                    case R.id.ic_android:  //ACTIVITY_NUM = 4
56                        Intent intent5 = new Intent(context, ProfileActivity.class);
57                        context.startActivity(intent5);
58                        break;
59                }
60                return false;
61            }
62        });
63    }
64}
65