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Data being passed from Activity to Fragment is returning null

I have reviewed multiple solutions to my question, but each attempt results in my android application crashing due to the data being sent returning null. I am attempting to send a ArrayList of Strings to a fragment, but when I launch my application I receive the following error.
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.assignment2, PID: 17719
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.assignment2/com.example.assignment2.MainActivity}: android.view.InflateException: Binary XML file line #9 in com.example.assignment2:layout/activity_main: Binary XML file line #9 in com.example.assignment2:layout/activity_main: Error inflating class fragment
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3449)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3601)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:85)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2066)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:223)
at android.app.ActivityThread.main(ActivityThread.java:7656)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:592)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:947)
Caused by: android.view.InflateException: Binary XML file line #9 in com.example.assignment2:layout/activity_main: Binary XML file line #9 in com.example.assignment2:layout/activity_main: Error inflating class fragment
Caused by: android.view.InflateException: Binary XML file line #9 in com.example.assignment2:layout/activity_main: Error inflating class fragment
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'java.util.ArrayList android.os.Bundle.getStringArrayList(java.lang.String)' on a null object reference
at com.example.assignment2.TickerListFragment.onCreateView(TickerListFragment.java:21)
at androidx.fragment.app.Fragment.performCreateView(Fragment.java:2963)
at androidx.fragment.app.FragmentStateManager.ensureInflatedView(FragmentStateManager.java:386)
at androidx.fragment.app.FragmentStateManager.moveToExpectedState(FragmentStateManager.java:281)
at androidx.fragment.app.FragmentLayoutInflaterFactory.onCreateView(FragmentLayoutInflaterFactory.java:140)
at androidx.fragment.app.FragmentController.onCreateView(FragmentController.java:135)
at androidx.fragment.app.FragmentActivity.dispatchFragmentsOnCreateView(FragmentActivity.java:319)
at androidx.fragment.app.FragmentActivity.onCreateView(FragmentActivity.java:298)
at android.view.LayoutInflater.tryCreateView(LayoutInflater.java:1067)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:995)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:959)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:1121)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:1082)
at android.view.LayoutInflater.inflate(LayoutInflater.java:680)
at android.view.LayoutInflater.inflate(LayoutInflater.java:532)
at android.view.LayoutInflater.inflate(LayoutInflater.java:479)
at androidx.appcompat.app.AppCompatDelegateImpl.setContentView(AppCompatDelegateImpl.java:706)
at androidx.appcompat.app.AppCompatActivity.setContentView(AppCompatActivity.java:195)
at com.example.assignment2.MainActivity.onCreate(MainActivity.java:18)
at android.app.Activity.performCreate(Activity.java:8000)
at android.app.Activity.performCreate(Activity.java:7984)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1309)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3422)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3601)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:85)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
E/AndroidRuntime: at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2066)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:223)
at android.app.ActivityThread.main(ActivityThread.java:7656)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:592)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:947)
W/System: A resource failed to call close.
The following is my MainActivity class
import androidx.appcompat.app.AppCompatActivity;
import androidx.fragment.app.FragmentManager;
import androidx.fragment.app.FragmentTransaction;
import android.os.Bundle;
import java.util.ArrayList;
public class MainActivity extends AppCompatActivity {
ArrayList<String> tickers;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
getSupportActionBar().hide();
tickers = new ArrayList<String>();
tickers.add("BAC");
tickers.add("BTC");
tickers.add("APPL");
FragmentManager fragmentManager = getSupportFragmentManager();
FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
Bundle bundle = new Bundle();
bundle.putStringArrayList("def", tickers);
TickerListFragment list = new TickerListFragment();
list.setArguments(bundle);
fragmentTransaction.replace(R.id.list_fragment, list).commit();
}
}
The following is the XML for the main activity class.
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<fragment
android:id="#+id/list_fragment"
android:name="com.example.assignment2.TickerListFragment"
android:layout_width="wrap_content"
android:layout_height="match_parent"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
</androidx.constraintlayout.widget.ConstraintLayout>
The following is the fragment class
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.Toast;
import androidx.fragment.app.Fragment;
import java.util.ArrayList;
public class TickerListFragment extends Fragment {
ArrayList<String> def_tickers;
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle state) {
View view = inflater.inflate(R.layout.fragment_tickerlist, container, false);
def_tickers = this.getArguments().getStringArrayList("def");
return view;
}
#Override
public void onViewCreated(View view, Bundle savedInstanceState) {
LinearLayout layout = (LinearLayout) view.findViewById(R.id.list_layout);
}
}
And the following is the XML for the fragment
<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:id="#+id/list_layout"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:orientation="vertical">
</LinearLayout>
</ScrollView>
If someone could point out my oversight as to why the sent data is being retrieved as null that would be much appreciated.

AFAIK when you use <fragment> in xml it is automatically inflated, when the view is inflated, i.e. setContentView(R.layout.activity_main);
This means the fragment is created before you got the chance to pass in the bundled args.
Back in the day it was standard practice to use a FrameLayout instead like you've stated in your comment. But now it is best to use FragmentContainerView as it respects animations among other things.
<FragmentContainerView
android:id="#+id/list_fragment"
android:layout_width="wrap_content"
android:layout_height="match_parent"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />

NullPointerException at onClick method

I am making an app on Android Studio and I ran into the NullPointerException in my onClick method. How do I fix it?
The debugger of my app gives me this:
java.lang.IllegalStateException: Could not execute method for android:onClick
at androidx.appcompat.app.AppCompatViewInflater$DeclaredOnClickListener.onClick(AppCompatViewInflater.java:414)
at android.view.View.performClick(View.java:6256)
at android.view.View$PerformClick.run(View.java:24701)
at android.os.Handler.handleCallback(Handler.java:789)
at android.os.Handler.dispatchMessage(Handler.java:98)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6541)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Method.invoke(Native Method)
at androidx.appcompat.app.AppCompatViewInflater$DeclaredOnClickListener.onClick(AppCompatViewInflater.java:409)
at android.view.View.performClick(View.java:6256) 
at android.view.View$PerformClick.run(View.java:24701) 
at android.os.Handler.handleCallback(Handler.java:789) 
at android.os.Handler.dispatchMessage(Handler.java:98) 
at android.os.Looper.loop(Looper.java:164) 
at android.app.ActivityThread.main(ActivityThread.java:6541) 
at java.lang.reflect.Method.invoke(Native Method) 
at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767) 
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.ImageView.setImageDrawable(android.graphics.drawable.Drawable)' on a null object reference
at com.example.venttome.ventingPage.onClick(ventingPage.java:66)
at java.lang.reflect.Method.invoke(Native Method) 
at androidx.appcompat.app.AppCompatViewInflater$DeclaredOnClickListener.onClick(AppCompatViewInflater.java:409) 
at android.view.View.performClick(View.java:6256) 
at android.view.View$PerformClick.run(View.java:24701) 
at android.os.Handler.handleCallback(Handler.java:789) 
at android.os.Handler.dispatchMessage(Handler.java:98) 
at android.os.Looper.loop(Looper.java:164) 
at android.app.ActivityThread.main(ActivityThread.java:6541) 
at java.lang.reflect.Method.invoke(Native Method) 
at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)
The code (the onClick() method) that is wrong:
#Override
public void onClick(View v) {
switch (v.getId()){
case R.id.record_btn:
if (isRecording){
//stop recording
recordButton.setImageDrawable(getResources().getDrawable(R.drawable.record_btn_stopped, null));
isRecording = false;
} else {
//start recording
recordButton.setImageDrawable(getResources().getDrawable(R.drawable.record_btn_recording, null));
isRecording = true;
}
break;
}
}
And this is my XML file for that class, and it is a constraint layout. This is what I use for my onClick method and I don't know what's wrong with it:
<ImageView
android:id="#+id/record_btn"
android:layout_width="90dp"
android:layout_height="90dp"
android:layout_marginStart="40dp"
android:layout_marginLeft="40dp"
android:layout_marginBottom="28dp"
android:background="#android:color/white"
android:clickable="true"
android:cropToPadding="true"
android:onClick="onClick"
android:src="#drawable/record_btn_stopped"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintRight_toLeftOf="#id/final_button"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/inputFeelings"
app:layout_constraintVertical_bias="1.0"
android:focusable="true"
tools:ignore="ContentDescription" />

you are not initializing the button in your method.Please first do this in your onCreate() method or if you are using fragment then in onCreateView():
ImageView record_btn= findViewById(R.id.record_btn);

Please initialize the view inside onCreate()
Here is the working code snippet
public class SecondActivity extends AppCompatActivity implements View.OnClickListener {
ImageView recordButton;
#Override
protected void onCreate(#Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
recordButton = findViewById(R.id.record_btn);
}
#Override
public void onClick(View view) {
switch (view.getId()) {
case R.id.record_btn:
Toast.makeText(this, "Called", Toast.LENGTH_SHORT).show();
recordButton.setImageResource(R.drawable.ic_launcher_foreground);
break;
}
}}

Physical Device only - Google Maps - 'File.mkdir()' on a null object reference

I am running my code and getting this error when using app on mobile devide, but on emulator it is working.
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.nirbhaym.Indoor, PID: 17543
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.nirbhaym.Indoor/com.example.nirbhaym.indoor.MapsActivity}: android.view.InflateException: Binary XML file line #62: Error inflating class fragment
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2335)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2397)
at android.app.ActivityThread.access$800(ActivityThread.java:151)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1310)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5268)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:902)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:697)
Caused by: android.view.InflateException: Binary XML file line #62: Error inflating class fragment
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:763)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:806)
at android.view.LayoutInflater.inflate(LayoutInflater.java:504)
at android.view.LayoutInflater.inflate(LayoutInflater.java:414)
at android.view.LayoutInflater.inflate(LayoutInflater.java:365)
at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:256)
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:109)
at com.example.nirbhaym.indoor.MapsActivity.onCreate(MapsActivity.java:50)
at android.app.Activity.performCreate(Activity.java:6033)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2288)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2397) 
at android.app.ActivityThread.access$800(ActivityThread.java:151) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1310) 
at android.os.Handler.dispatchMessage(Handler.java:102) 
at android.os.Looper.loop(Looper.java:135) 
at android.app.ActivityThread.main(ActivityThread.java:5268) 
at java.lang.reflect.Method.invoke(Native Method) 
at java.lang.reflect.Method.invoke(Method.java:372) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:902) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:697) 
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.io.File.mkdir()' on a null object reference
at com.google.maps.api.android.lib6.gmm6.m.ad.a(Unknown Source)
at com.google.maps.api.android.lib6.gmm6.c.h.a(Unknown Source)
at com.google.maps.api.android.lib6.gmm6.c.y.a(Unknown Source)
at com.google.maps.api.android.lib6.e.bd.a(Unknown Source)
at com.google.maps.api.android.lib6.e.ev.a(Unknown Source)
at com.google.maps.api.android.lib6.e.z.a(Unknown Source)
at com.google.maps.api.android.lib6.e.y.a(Unknown Source)
at com.google.android.gms.maps.internal.u.onTransact(SourceFile:107)
at android.os.Binder.transact(Binder.java:380)
at com.google.android.gms.maps.internal.IMapFragmentDelegate$zza$zza.onCreateView(Unknown Source)
at com.google.android.gms.maps.SupportMapFragment$zza.onCreateView(Unknown Source)
at com.google.android.gms.dynamic.zza$4.zzb(Unknown Source)
at com.google.android.gms.dynamic.zza.zza(Unknown Source)
at com.google.android.gms.dynamic.zza.onCreateView(Unknown Source)
at com.google.android.gms.maps.SupportMapFragment.onCreateView(Unknown Source)
at android.support.v4.app.Fragment.performCreateView(Fragment.java:1962)
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1036)
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1226)
at android.support.v4.app.FragmentManagerImpl.addFragment(FragmentManager.java:1328)
at android.support.v4.app.FragmentManagerImpl.onCreateView(FragmentManager.java:2284)
at android.support.v4.app.FragmentController.onCreateView(FragmentController.java:111)
at android.support.v4.app.FragmentActivity.dispatchFragmentsOnCreateView(FragmentActivity.java:314)
at android.support.v4.app.BaseFragmentActivityHoneycomb.onCreateView(BaseFragmentActivityHoneycomb.java:31)
at android.support.v4.app.FragmentActivity.onCreateView(FragmentActivity.java:79)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:733)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:806) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:504) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:414) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:365) 
at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:256) 
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:109) 
at com.example.nirbhaym.indoor.MapsActivity.onCreate(MapsActivity.java:50) 
at android.app.Activity.performCreate(Activity.java:6033) 
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106) 
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2288) 
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2397) 
at android.app.ActivityThread.access$800(ActivityThread.java:151) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1310) 
at android.os.Handler.dispatchMessage(Handler.java:102) 
at android.os.Looper.loop(Looper.java:135) 
at android.app.ActivityThread.main(ActivityThread.java:5268) 
at java.lang.reflect.Method.invoke(Native Method) 
at java.lang.reflect.Method.invoke(Method.java:372) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:902) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:697) 
I/Process: Sending signal. PID: 17543 SIG: 9
Application terminated.
Main activity code
package com.example.nirbhaym.indoor;
import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.OnMapReadyCallback;
import com.google.android.gms.maps.SupportMapFragment;
import com.google.android.gms.maps.model.BitmapDescriptor;
import com.google.android.gms.maps.model.BitmapDescriptorFactory;
import com.google.android.gms.maps.model.GroundOverlay;
import com.google.android.gms.maps.model.GroundOverlayOptions;
import com.google.android.gms.maps.model.LatLng;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.CheckBox;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import java.util.ArrayList;
import java.util.List;
/**
* This shows how to add a ground overlay to a map.
*/
public class MapsActivity extends AppCompatActivity
implements OnSeekBarChangeListener, OnMapReadyCallback,
GoogleMap.OnGroundOverlayClickListener {
private static final int TRANSPARENCY_MAX = 100;
private static final LatLng NEWARK = new LatLng(28.544594, 77.272486);
private static final LatLng NEAR_NEWARK =
new LatLng(NEWARK.latitude - 0.001, NEWARK.longitude - 0.025);
private final List<BitmapDescriptor> mImages = new ArrayList<BitmapDescriptor>();
private GroundOverlay mGroundOverlay;
private GroundOverlay mGroundOverlayRotated;
private SeekBar mTransparencyBar;
private int mCurrentEntry = 0;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.layout);
mTransparencyBar = (SeekBar) findViewById(R.id.transparencySeekBar);
mTransparencyBar.setMax(TRANSPARENCY_MAX);
mTransparencyBar.setProgress(0);
SupportMapFragment mapFragment =
(SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map);
mapFragment.getMapAsync(this);
}
#Override
public void onMapReady(GoogleMap map) {
// Register a listener to respond to clicks on GroundOverlays.
map.setOnGroundOverlayClickListener(this);
map.moveCamera(CameraUpdateFactory.newLatLngZoom(NEWARK, 11));
mImages.clear();
mImages.add(BitmapDescriptorFactory.fromResource(R.drawable.fourth_floor_app));
//mImages.add(BitmapDescriptorFactory.fromResource(R.drawable.newark_prudential_sunny));
// Add a small, rotated overlay that is clickable by default
// (set by the initial state of the checkbox.)
mGroundOverlayRotated = map.addGroundOverlay(new GroundOverlayOptions()
.image(mImages.get(0)).anchor(0, 1)
.position(NEAR_NEWARK, 4300f, 3025f)
.bearing(30)
.clickable(((CheckBox) findViewById(R.id.toggleClickability)).isChecked()));
// Add a large overlay at Newark on top of the smaller overlay.
mGroundOverlay = map.addGroundOverlay(new GroundOverlayOptions()
.image(mImages.get(mCurrentEntry)).anchor(0, 1)
.position(NEWARK, 8600f, 6500f));
mTransparencyBar.setOnSeekBarChangeListener(this);
// Override the default content description on the view, for accessibility mode.
// Ideally this string would be localised.
map.setContentDescription("Google Map with ground overlay.");
}
#Override
public void onStopTrackingTouch(SeekBar seekBar) {
}
#Override
public void onStartTrackingTouch(SeekBar seekBar) {
}
#Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
if (mGroundOverlay != null) {
mGroundOverlay.setTransparency((float) progress / (float) TRANSPARENCY_MAX);
}
}
public void switchImage(View view) {
mCurrentEntry = (mCurrentEntry + 1) % mImages.size();
mGroundOverlay.setImage(mImages.get(mCurrentEntry));
}
/**
* Toggles the visibility between 100% and 50% when a {#link GroundOverlay} is clicked.
*/
#Override
public void onGroundOverlayClick(GroundOverlay groundOverlay) {
// Toggle transparency value between 0.0f and 0.5f. Initial default value is 0.0f.
mGroundOverlayRotated.setTransparency(0.5f - mGroundOverlayRotated.getTransparency());
}
/**
* Toggles the clickability of the smaller, rotated overlay based on the state of the View that
* triggered this call.
* This callback is defined on the CheckBox in the layout for this Activity.
*/
public void toggleClickability(View view) {
if (mGroundOverlayRotated != null) {
mGroundOverlayRotated.setClickable(((CheckBox) view).isChecked());
}
}
}
Layout file
<?xml version="1.0" encoding="utf-8"?><!--
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#drawable/fourth_floor_app"
android:padding="5dp">
<TextView
android:id="#+id/transparency_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:text="string/transparency" />
<SeekBar
android:id="#+id/transparencySeekBar"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_toEndOf="#+id/transparency_text"
android:layout_toRightOf="#+id/transparency_text" />
<Button
android:id="#+id/switchImage"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="#+id/transparencySeekBar"
android:onClick="switchImage"
android:text="string/switch_image" />
<CheckBox
android:id="#+id/toggleClickability"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="#+id/switchImage"
android:layout_toEndOf="#+id/switchImage"
android:layout_toRightOf="#+id/switchImage"
android:checked="true"
android:onClick="toggleClickability"
android:text="string/clickable" />
</RelativeLayout>
<fragment
android:id="#+id/map"
class="com.google.android.gms.maps.SupportMapFragment"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</LinearLayout>

FragmentManager fmanager = getSupportFragmentManager();
Fragment fragment = fmanager.findFragmentById(R.id.map);
SupportMapFragment supportmapfragment = (SupportMapFragment)fragment;
GoogleMap supportMap = supportmapfragment.getMap();
try this code. For this the tutorial is here hope this helps you. The problem is in fragment only. You need to check permissions also in above tutorial. Hope it helps you
http://www.truiton.com/2013/05/android-supportmapfragment-example/
EDIT:
Check permission for External Storage:
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

Error Inflating Activity from Fragment: InflateException

I have a fragment, and I want to click on a button in the fragment to open a corresponding Activity that also hosts a fragment.
I am trying to test how the Activity appears (after button click) and am receiving what appears to be an inflation error. Here is the first fragment containing the button to view the next fragment:
HomePollsFragment.Java
mLatestTestButton.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
Intent latestActivity = new Intent(getActivity().getApplicationContext(), LatestActivity.class);
startActivity(latestActivity);
}
});
And then here is the code for the activity that is opened on button click:
public class LatestActivity extends AppCompatActivity implements LatestFragment.OnFragmentInteractionListener {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_latest);
// Check that the activity is using the layout version with
// the fragment_container FrameLayout
if (findViewById(R.id.latest_fragment_container) != null) {
// However, if we're being restored from a previous state,
// then we don't need to do anything and should return or else
// we could end up with overlapping fragments.
if (savedInstanceState != null) {
return;
}
// Create a new Fragment to be placed in the activity layout
LatestFragment latestFragment = new LatestFragment();
// In case this activity was started with special instructions from an
// Intent, pass the Intent's extras to the fragment as arguments
latestFragment.setArguments(getIntent().getExtras());
// Add the fragment to the 'fragment_container' FrameLayout
getSupportFragmentManager().beginTransaction()
.add(R.id.latest_fragment_container, latestFragment).commit();
}
}
#Override
public void onFragmentInteraction(Uri uri) {
}
}
The error I am receiving is below and appears to be related to the following line:
setContentView(R.layout.activity_latest);
Error:
06-27 22:35:47.787 4252-4252/com.sourcey.materialloginexample E/AndroidRuntime: FATAL EXCEPTION: main
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.sourcey.materialloginexample/com.troychuinard.fanpolls.LatestActivity}: android.view.InflateException: Binary XML file line #6: Error inflating class fragment
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2211)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2261)
at android.app.ActivityThread.access$600(ActivityThread.java:141)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1256)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:5103)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:525)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
at dalvik.system.NativeStart.main(Native Method)
Caused by: android.view.InflateException: Binary XML file line #6: Error inflating class fragment
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:713)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:755)
at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
at android.view.LayoutInflater.inflate(LayoutInflater.java:353)
at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:280)
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:140)
at com.troychuinard.fanpolls.LatestActivity.onCreate(LatestActivity.java:14)
at android.app.Activity.performCreate(Activity.java:5133)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2175)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2261) 
at android.app.ActivityThread.access$600(ActivityThread.java:141) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1256) 
at android.os.Handler.dispatchMessage(Handler.java:99) 
at android.os.Looper.loop(Looper.java:137) 
at android.app.ActivityThread.main(ActivityThread.java:5103) 
at java.lang.reflect.Method.invokeNative(Native Method) 
at java.lang.reflect.Method.invoke(Method.java:525) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553) 
at dalvik.system.NativeStart.main(Native Method) 
Caused by: java.lang.NullPointerException: name == null
at java.lang.VMClassLoader.findLoadedClass(Native Method)
at java.lang.ClassLoader.findLoadedClass(ClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:491)
at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
at android.support.v4.app.Fragment.isSupportFragmentClass(Fragment.java:454)
at android.support.v4.app.FragmentManagerImpl.onCreateView(FragmentManager.java:2252)
at android.support.v4.app.FragmentController.onCreateView(FragmentController.java:120)
at android.support.v4.app.FragmentActivity.dispatchFragmentsOnCreateView(FragmentActivity.java:356)
at android.support.v4.app.BaseFragmentActivityHoneycomb.onCreateView(BaseFragmentActivityHoneycomb.java:31)
at android.support.v4.app.FragmentActivity.onCreateView(FragmentActivity.java:79)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:689)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:755) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:492) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:397) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:353) 
at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:280) 
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:140) 
at com.troychuinard.fanpolls.LatestActivity.onCreate(LatestActivity.java:14) 
at android.app.Activity.performCreate(Activity.java:5133) 
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087) 
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2175) 
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2261) 
at android.app.ActivityThread.access$600(ActivityThread.java:141) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1256) 
at android.os.Handler.dispatchMessage(Handler.java:99) 
at android.os.Looper.loop(Looper.java:137) 
at android.app.ActivityThread.main(ActivityThread.java:5103) 
at java.lang.reflect.Method.invokeNative(Native Method) 
at java.lang.reflect.Method.invoke(Method.java:525) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553) 
at dalvik.system.NativeStart.main(Native Method) 
activity_latest.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent">
<fragment
android:id="#+id/latest_fragment_container"
android:layout_weight="1"
android:layout_width="match_parent"
android:layout_height="0dp" />

The error is telling you that you have no name attribute on the <fragment> element specifying its class.
NullPointerException: name == null
However, it looks like you mean to load the Fragment yourself, so you don't want a <fragment> element. Instead, you want a ViewGroup that will hold the Fragment after the dynamic FragmentTransaction. Change your <fragment> to a <FrameLayout>.

That because you have a wrong on your activity_latest.xml. You tried to add your LatestFragment to Fragment. You can add fragment into ViewGroup like FrameLayout. Change your code like here.
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent">
<FrameLayout
android:id="#+id/latest_fragment_container"
android:layout_weight="1"
android:layout_width="match_parent"
android:layout_height="0dp" />

Inflation exception error from android

Hello i'm struggling with these error for past of couple of hours to no avail. I am trying to pass data from my activity to the fragment but not succeeding in doing so. My guess it's complaining about my <fragment> in activity_second.xml file. My guess might be wrong. Has anyone encountered this error? But i don't know how to resolve this error.Would some please guide in me what i did wrong. Below is my code:
first_fragment.xml:
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="#+id/fragmentPic" >
<TextView
android:id="#+id/textName"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="#string/users_FirstName"
android:textSize="#dimen/font_size"
android:layout_gravity="center_horizontal"/>
<com.facebook.login.widget.ProfilePictureView
android:id="#+id/profilePic"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
>
</com.facebook.login.widget.ProfilePictureView>
</LinearLayout>
FirstFragment.java:
public class FirstFragment extends Fragment {
private ProfilePictureView profilePictureView;
private TextView textView;
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
// return super.onCreateView(inflater, container, savedInstanceState);
View rootView = inflater.inflate(R.layout.first_fragment, container, false);
Bundle bundle = new Bundle();
bundle = this.getArguments();
String profileId = bundle.getString("profileId"); //complains here and returns null
TextView textView = (TextView)rootView.findViewById(R.id.textName);
textView.setText(bundle.getString("names"));
return rootView;
}
}
activity_second.xml:
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:background="#color/backgroundColor"
>
<include android:id="#+id/toolBar"
layout="#layout/toolbar" />
<android.support.v4.widget.DrawerLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/drawer">
<fragment
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:layout="#layout/first_fragment"
class="edu.sjsu.cmpe277.termproject.Fragments.FirstFragment"
android:id="#+id/fragment1"
/>
</android.support.v4.widget.DrawerLayout>
</LinearLayout>
secondActivity.java:
public class secondActivity extends AppCompatActivity {
private Intent intent;
private Toolbar toolbar;
private String firstName, profileId;
private FirstFragment firstFragment;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_second);
intent = getIntent();
firstName = intent.getStringExtra("firstName");
profileId = intent.getStringExtra("Id");
toolbar = (Toolbar)findViewById(R.id.toolBar);
setSupportActionBar(toolbar);
toolbar.setLogo(R.drawable.ic_menu_image);
getSupportActionBar().setDisplayShowHomeEnabled(true);
getSupportActionBar().setDisplayShowTitleEnabled(false);
firstFragment = new FirstFragment();
Bundle bundle = new Bundle();
bundle.putString("names", firstName);
bundle.putString("profileId", profileId);
firstFragment.setArguments(bundle);
FragmentManager manager = getSupportFragmentManager();
FragmentTransaction transaction = manager.beginTransaction();
transaction.add(R.id.drawer, firstFragment,"newFrag").commit();
}
#Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_second, menu);
return true;
}
#Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
switch(item.getItemId()) {
case android.R.id.home:
Intent homeIntent = new Intent(this, secondActivity.class );
homeIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(homeIntent);
}
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}
And this error below:
29 01:50:11.402 13536-13536/edu.sjsu.cmpe277.termproject E/AndroidRuntime﹕ FATAL EXCEPTION: main
Process: edu.sjsu.cmpe277.termproject, PID: 13536
java.lang.RuntimeException: Unable to start activity ComponentInfo{edu.sjsu.cmpe277.termproject/edu.sjsu.cmpe277.termproject.secondActivity}: android.view.InflateException: Binary XML file line #82: Error inflating class fragment
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2693)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2758)
at android.app.ActivityThread.access$900(ActivityThread.java:177)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1448)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:145)
at android.app.ActivityThread.main(ActivityThread.java:5942)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1399)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1194)
Caused by: android.view.InflateException: Binary XML file line #82: Error inflating class fragment
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:770)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:813)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:821)
at android.view.LayoutInflater.inflate(LayoutInflater.java:511)
at android.view.LayoutInflater.inflate(LayoutInflater.java:415)
at android.view.LayoutInflater.inflate(LayoutInflater.java:366)
at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:255)
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:109)
at edu.sjsu.cmpe277.termproject.secondActivity.onCreate(secondActivity.java:43)
at android.app.Activity.performCreate(Activity.java:6289)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1119)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2646)
            at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2758)
            at android.app.ActivityThread.access$900(ActivityThread.java:177)
            at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1448)
            at android.os.Handler.dispatchMessage(Handler.java:102)
            at android.os.Looper.loop(Looper.java:145)
            at android.app.ActivityThread.main(ActivityThread.java:5942)
            at java.lang.reflect.Method.invoke(Native Method)
            at java.lang.reflect.Method.invoke(Method.java:372)
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1399)
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1194)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String android.os.Bundle.getString(java.lang.String)' on a null object reference
at edu.sjsu.cmpe277.termproject.Fragments.FirstFragment.onCreateView(FirstFragment.java:44)
at android.support.v4.app.Fragment.performCreateView(Fragment.java:1962)
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:995)
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1185)
at android.support.v4.app.FragmentManagerImpl.addFragment(FragmentManager.java:1287)
at android.support.v4.app.FragmentManagerImpl.onCreateView(FragmentManager.java:2243)
at android.support.v4.app.FragmentController.onCreateView(FragmentController.java:111)
at android.support.v4.app.FragmentActivity.dispatchFragmentsOnCreateView(FragmentActivity.java:278)
at android.support.v4.app.BaseFragmentActivityHoneycomb.onCreateView(BaseFragmentActivityHoneycomb.java:31)
at android.support.v4.app.FragmentActivity.onCreateView(FragmentActivity.java:78)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:740)
            at android.view.LayoutInflater.rInflate(LayoutInflater.java:813)
            at android.view.LayoutInflater.rInflate(LayoutInflater.java:821)
            at android.view.LayoutInflater.inflate(LayoutInflater.java:511)
            at android.view.LayoutInflater.inflate(LayoutInflater.java:415)
            at android.view.LayoutInflater.inflate(LayoutInflater.java:366)
            at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:255)
            at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:109)
            at edu.sjsu.cmpe277.termproject.secondActivity.onCreate(secondActivity.java:43)
            at android.app.Activity.performCreate(Activity.java:6289)
            at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1119)
            at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2646)
            at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2758)
            at android.app.ActivityThread.access$900(ActivityThread.java:177)
            at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1448)
            at android.os.Handler.dispatchMessage(Handler.java:102)
            at android.os.Looper.loop(Looper.java:145)
            at android.app.ActivityThread.main(ActivityThread.java:5942)
            at java.lang.reflect.Method.invoke(Native Method)
            at java.lang.reflect.Method.invoke(Method.java:372)

Get rid of
<fragment
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:layout="#layout/first_fragment"
class="edu.sjsu.cmpe277.termproject.Fragments.FirstFragment"
android:id="#+id/fragment1"
/>
and use only the explicitly transaction you are using in your Activity. You can't pass a Bundle, declaring a Fragment in the layout, and try to accessing it, is making your app crash

In your activity_second.xml file, change:
class="edu.sjsu.cmpe277.termproject.Fragments.FirstFragment"
to
android:name="edu.sjsu.cmpe277.termproject.Fragments.FirstFragment"
That's the correct prefix to use.