我正在使用导航抽屉。我想将数组列表发送到默认片段。但我检查在我的默认片段中它始终显示为null。以下是导航抽屉和默认片段的代码。在我的片段中，我从主要活动中接收数据，任何人都可以帮我解决这个问题吗？
MainActivity.java
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
FacebookSdk.sdkInitialize(getApplicationContext());
callbackManager = CallbackManager.Factory.create();
setContentView(R.layout.activity_main);
fcm_id = FirebaseInstanceId.getInstance().getToken();
session = new SessionManager(getApplicationContext());
prodcounter=session.usercounter();
mFirebaseAnalytics = FirebaseAnalytics.getInstance(this);
Bundle bundles = new Bundle();
bundles.putString(FirebaseAnalytics.Param.ITEM_ID, "btn_click");
bundles.putString(FirebaseAnalytics.Param.ITEM_NAME, "Next Activity");
bundles.putString(FirebaseAnalytics.Param.CONTENT_TYPE, "image");
mFirebaseAnalytics.logEvent(FirebaseAnalytics.Event.SELECT_CONTENT, bundles);
//Logs an app event.
mFirebaseAnalytics.logEvent(FirebaseAnalytics.Event.SELECT_CONTENT, bundles);
//Sets whether analytics collection is enabled for this app on this device.
mFirebaseAnalytics.setAnalyticsCollectionEnabled(true);
//Sets the minimum engagement time required before starting a session. The default value is 10000 (10 seconds). Let's make it 20 seconds just for the fun
mFirebaseAnalytics.setMinimumSessionDuration(20000);
//Sets the duration of inactivity that terminates the current session. The default value is 1800000 (30 minutes).
mFirebaseAnalytics.setSessionTimeoutDuration(500);
System.out.println("Parent Counter : " + prodcounter);
// id = getIntent().getStringExtra("id");
userid = session.userID();
System.out.println("Parent ID : " + userid);
userd=Long.parseLong(userid);
prefss = getApplicationContext().getSharedPreferences("MyPrefs", Context.MODE_PRIVATE);
prefimmg = prefss.getString("prefimgg", null);
prefnmms = prefss.getString("prefnmss", null);
System.out.println("Parent Activity Promocode"+promocodestore+prefimmg+prefnmms);
toolbar = (Toolbar) findViewById(R.id.toolbar);
cartcounter = (TextView) toolbar.findViewById(R.id.textOne);
noticounter=(TextView) toolbar.findViewById(R.id.texttwo);
if(prodcounter==null || prodcounter.equals("0"))
{
cartcounter.setVisibility(View.GONE);
System.out.println("HomeFrag Counter null:");
}
else
{
cartcounter.setVisibility(View.VISIBLE);
System.out.println("HomeFrag Counter notnull:");
cartcounter.setText(" "+prodcounter+" ");
}
cartcounter.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if(prodcounter==null || prodcounter.equals("0"))
{
Toast.makeText(MainActivity.this, "Your Shopping Cart is Empty", Toast.LENGTH_SHORT).show();
}
else
{
Bundle bundle=new Bundle();
FragmentManager fragmentManager = getFragmentManager();
BuyNowActivity llf = new BuyNowActivity();
llf.setArguments(bundle);
fragmentManager.beginTransaction().replace(com.bpc.us.project.R.id.frame_container, llf).addToBackStack(null).commit();
}
}
});
imgserach=(ImageView)toolbar.findViewById(R.id.imagesearch);
mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
setSupportActionBar(toolbar);
mActivityTitle = getTitle().toString();
ExpandList = (ExpandableListView) findViewById(R.id.navList);
// mSelectedItemView = (TextView) findViewById(R.id.selected_item);
ViewTreeObserver vto = ExpandList.getViewTreeObserver();
vto.addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
ExpandList.setIndicatorBounds(ExpandList.getRight() - 40, ExpandList.getWidth());
}
});
LayoutInflater inflater = getLayoutInflater();
View listHeaderView = inflater.inflate(R.layout.nav_header, null, false);
headerimg=(ImageView)listHeaderView.findViewById(R.id.filmIcon);
headertxt=(TextView)listHeaderView.findViewById(R.id.website);
ExpandList.addHeaderView(listHeaderView);
if(prefimmg!=null)
{
Picasso.with(MainActivity.this)
.load(prefimmg)
.error(com.bpc.us.project.R.drawable.nopreview )
.placeholder(com.bpc.us.project.R.drawable.progress_animation)
.into(headerimg);
}
else
{
Picasso.with(MainActivity.this)
.load(R.drawable.user)
.error(com.bpc.us.project.R.drawable.nopreview )
.placeholder(com.bpc.us.project.R.drawable.progress_animation)
.into(headerimg);
}
if(prefnmms!=null)
{
headertxt.setText(prefnmms);
}
else
{
headertxt.setText("My Account");
}
// mExpandableListData = ExpandableListDataSource.getData(this);
pDialog = new ProgressDialog(this);
pDialog.setMessage("Please wait...");
pDialog.setCancelable(false);
Drawerdata();
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
getSupportActionBar().setHomeButtonEnabled(true);
if(getIntent().getExtras()!=null){
if(getIntent().getExtras().getBoolean("ForFBGOOGLE"))
{
Bundle bundle=new Bundle();
FragmentManager fragmentManager = getFragmentManager();
FBGoogleAddress llf = new FBGoogleAddress();
llf.setArguments(bundle);
fragmentManager.beginTransaction().replace(com.bpc.us.project.R.id.frame_container, llf).addToBackStack(null).commit();
}
else if(getIntent().getExtras().getBoolean("ForDelieveringProduct"))
{
Bundle bundle=new Bundle();
FragmentManager fragmentManager = getFragmentManager();
DelieveringProduct llf = new DelieveringProduct();
llf.setArguments(bundle);
fragmentManager.beginTransaction().replace(com.bpc.us.project.R.id.frame_container, llf).addToBackStack(null).commit();
}
else if(getIntent().getExtras().getBoolean("ForOrderActivity"))
{
Bundle bundle=new Bundle();
FragmentManager fragmentManager = getFragmentManager();
OrderActivity llf = new OrderActivity();
llf.setArguments(bundle);
fragmentManager.beginTransaction().replace(com.bpc.us.project.R.id.frame_container, llf).addToBackStack(null).commit();
}
else if(getIntent().getExtras().getBoolean("fromskips"))
{
Bundle bundle=new Bundle();
bundle.putSerializable("imagesliderlist", imagesliderlist);
bundle.putString("offerBandText", offerBandText);
FragmentManager fragmentManager = getFragmentManager();
currentFragment = new HomeFragments();
currentFragment.setArguments(bundle);
fragmentManager.beginTransaction().replace(com.bpc.us.project.R.id.frame_container, currentFragment).addToBackStack(null).commit();
}
else if(getIntent().getExtras().getBoolean("forfailure"))
{
placeorderlists = (ArrayList<PlaceOrderModel>)getIntent().getSerializableExtra("placeorderitems");
// placeordershippinglists = (ArrayList<PlaceorderShipping>)getIntent().getSerializableExtra("placeordershippingitems");
// placeorderbillinglists = (ArrayList<Placeorderbilling>)getIntent().getSerializableExtra("placeorderbillingitems");
subtotal=getIntent().getStringExtra("subtotal");
discount=getIntent().getStringExtra("discount");
shipVal=getIntent().getStringExtra("shipVal");
shippingMethod=getIntent().getStringExtra("shippingMethod");
paidAmount=getIntent().getStringExtra("paidAmount");
orderid=getIntent().getStringExtra("orderid");
shipid=getIntent().getStringExtra("shipid");
shiptype=getIntent().getStringExtra("shiptypes");
Bundle bundle=new Bundle();
bundle.putSerializable("placeorderitems", placeorderlists);
bundle.putString("subtotal", subtotal);
bundle.putString("discount", discount);
bundle.putString("shipVal", shipVal);
bundle.putString("paidAmount", paidAmount);
bundle.putString("orderid", orderid);
bundle.putString("shippingMethod", shippingMethod);
bundle.putString("shipid", shipid);
bundle.putString("shiptypes", shiptype);
// FragmentTransaction ft = fm.beginTransaction();
FragmentManager fragmentManager = getFragmentManager();
PaymentFailure llf = new PaymentFailure();
llf.setArguments(bundle);
fragmentManager.beginTransaction().replace(com.bpc.us.project.R.id.frame_container, llf).addToBackStack(null).commit();
}
else if(getIntent().getExtras().getBoolean("forsuccess"))
{
placeorderlists = (ArrayList<PlaceOrderModel>)getIntent().getSerializableExtra("placeorderitems");
// placeordershippinglists = (ArrayList<PlaceorderShipping>)getIntent().getSerializableExtra("placeordershippingitems");
// placeorderbillinglists = (ArrayList<Placeorderbilling>)getIntent().getSerializableExtra("placeorderbillingitems");
orderid=getIntent().getStringExtra("orderid");
orderdate=getIntent().getStringExtra("orderdate");
total=getIntent().getStringExtra("total");
subtotal=getIntent().getStringExtra("subtotal");
discount=getIntent().getStringExtra("discount");
shipVal=getIntent().getStringExtra("shipVal");
shippingMethod=getIntent().getStringExtra("shippingMethod");
paidAmount=getIntent().getStringExtra("paidAmount");
cardNumber=getIntent().getStringExtra("cardNumber");
billfirstname=getIntent().getStringExtra("billfname");
billlname=getIntent().getStringExtra("billlname");
billadd1=getIntent().getStringExtra("billadd1");
billadd2=getIntent().getStringExtra("billadd2");
billcity=getIntent().getStringExtra("billcity");
billstate=getIntent().getStringExtra("billstate");
billcountry=getIntent().getStringExtra("billcountry");
billzip=getIntent().getStringExtra("billzip");
billphone=getIntent().getStringExtra("billphone");
shipfname=getIntent().getStringExtra("shipfname");
shiplname=getIntent().getStringExtra("shiplname");
shipadd1=getIntent().getStringExtra("shipadd1");
shipadd2=getIntent().getStringExtra("shipadd2");
shipcity=getIntent().getStringExtra("shipcity");
shipstate=getIntent().getStringExtra("shipstate");
shipcountry=getIntent().getStringExtra("shipcountry");
shipzip=getIntent().getStringExtra("shipzip");
shipphone=getIntent().getStringExtra("shipphone");
Bundle bundle=new Bundle();
bundle.putSerializable("placeorderitems", placeorderlists);
bundle.putString("orderid", orderid);
bundle.putString("orderdate", orderdate);
bundle.putString("total", total);
bundle.putString("subtotal", subtotal);
bundle.putString("discount", discount);
bundle.putString("shippingMethod", shippingMethod);
bundle.putString("shipVal", shipVal);
bundle.putString("paidAmount", paidAmount);
bundle.putString("cardNumber", cardNumber);
bundle.putString("billfname", billfirstname);
bundle.putString("billlname", billlname);
bundle.putString("billadd1", billadd1);
bundle.putString("billadd2", billadd2);
bundle.putString("billcity", billcity);
bundle.putString("billstate", billstate);
bundle.putString("billcountry", billcountry);
bundle.putString("billzip", billzip);
bundle.putString("billphone", billphone);
bundle.putString("shipfname", shipfname);
bundle.putString("shiplname", shiplname);
bundle.putString("shipadd1", shipadd1);
bundle.putString("shipadd2", shipadd2);
bundle.putString("shipcity", shipcity);
bundle.putString("shipstate", shipstate);
bundle.putString("shipcountry", shipcountry);
bundle.putString("shipzip", shipzip);
bundle.putString("shipphone", shipphone);
// FragmentTransaction ft = fm.beginTransaction();
FragmentManager fragmentManager = getFragmentManager();
PaymentSuccessful llf = new PaymentSuccessful();
llf.setArguments(bundle);
fragmentManager.beginTransaction().replace(com.bpc.us.project.R.id.frame_container, llf).addToBackStack(null).commit();
}
else
{
if (savedInstanceState == null){
/*currentFragment = new HomeFragments();
getFragmentManager().beginTransaction().add(R.id.frame_container, currentFragment).commit();*/
Bundle bundle=new Bundle();
bundle.putSerializable("imagesliderlist", imagesliderlist);
bundle.putString("offerBandText", offerBandText);
FragmentManager fragmentManager = getFragmentManager();
currentFragment = new HomeFragments();
currentFragment.setArguments(bundle);
fragmentManager.beginTransaction().add(R.id.frame_container, currentFragment).commit();
}
}
}
addDrawerItems();
setupDrawer();
listHeaderView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if(userd > 0)
{
System.out.println("Positive");
/* Intent intent=new Intent(ParentActivity.this,OrderActivity.class);
startActivity(intent);*/
Bundle bundle=new Bundle();
// FragmentTransaction ft = fm.beginTransaction();
FragmentManager fragmentManager = getFragmentManager();
OrderActivity llf = new OrderActivity();
llf.setArguments(bundle);
fragmentManager.beginTransaction().replace(com.bpc.us.project.R.id.frame_container, llf).addToBackStack(null).commit();
mDrawerLayout.closeDrawer(ExpandList);
}
else
{
System.out.println("Negative");
// String skipsid=String.valueOf(userd);
Intent intent=new Intent(MainActivity.this,Login_Page.class);
/* intent.putExtra("proceedtocheckoutid",skipsid);
intent.putExtra("isCheckOut",true);*/
startActivity(intent);
}
}
});
//GetNotification();
}
HomeFragment
sliderimagelist = (ArrayList<ImagesliderModel>)getArguments().getSerializable("imagesliderlist");
offerBandText=getArguments().getString("offerBandText");
System.out.println("IMAGELISTSIZE"+sliderimagelist+offerBandText);