Cloud Firestore don't display data on Fragments After Swipe
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I have created an app with Firebase Cloud Firestore. I'm trying to list my orders to a recyclerview in between fragments. I have a Fragment: OrderListFragment
// RecyclerView
mOrderAdapter = object : OrderAdapter(getQuery(mFirebaseFirestore), this@OrderListFragment) {
override fun onDataChanged() {
super.onDataChanged()
mRecyclerView.visibility = View.VISIBLE
}
override fun onError(e: FirebaseFirestoreException) {
super.onError(e)
showShortToast(context!!, "Error: " + e.toString())
// Show a snackbar on errors
Snackbar.make(mSnackbarLayout!!, "Error: check logs for info.", Snackbar.LENGTH_LONG).show()
}
}
mRecyclerView.adapter = mOrderAdapter
and two Fragments extending the above Fragment:
1.
class RecentOrderFragment : OrderListFragment() {
override fun getQuery(firebaseFirestore: FirebaseFirestore): Query {
return firebaseFirestore.collection("tblOrders")
.orderBy("timestamp", Query.Direction.DESCENDING)
.whereEqualTo("isDraft", false)
.whereEqualTo("isPaidFor", true)
.limit(LIMIT.toLong())
}
}
2.
class MyOrdersFragment : OrderListFragment() {
override fun getQuery(firebaseFirestore: FirebaseFirestore): Query {
return firebaseFirestore.collection("tblOrders")
.whereEqualTo("userId", uid)
.whereEqualTo("isDraft", false)
.orderBy("timestamp", Query.Direction.DESCENDING)
.limit(LIMIT.toLong())
}
}
At first, it displays the orders, but when I swipe from one fragment, and go back, the previous fragment can't display the recyclerview again. Actually now it does not display at all
android firebase 
android-fragments kotlin google-cloud-firestore asked Nov 22 '18 at 8:32
Githithu WamburaGithithu Wambura
15327
add a comment |
0
I have created an app with Firebase Cloud Firestore. I'm trying to list my orders to a recyclerview in between fragments. I have a Fragment: OrderListFragment
// RecyclerView
mOrderAdapter = object : OrderAdapter(getQuery(mFirebaseFirestore), this@OrderListFragment) {
override fun onDataChanged() {
super.onDataChanged()
mRecyclerView.visibility = View.VISIBLE
}
override fun onError(e: FirebaseFirestoreException) {
super.onError(e)
showShortToast(context!!, "Error: " + e.toString())
// Show a snackbar on errors
Snackbar.make(mSnackbarLayout!!, "Error: check logs for info.", Snackbar.LENGTH_LONG).show()
}
}
mRecyclerView.adapter = mOrderAdapter
and two Fragments extending the above Fragment:
1.
class RecentOrderFragment : OrderListFragment() {
override fun getQuery(firebaseFirestore: FirebaseFirestore): Query {
return firebaseFirestore.collection("tblOrders")
.orderBy("timestamp", Query.Direction.DESCENDING)
.whereEqualTo("isDraft", false)
.whereEqualTo("isPaidFor", true)
.limit(LIMIT.toLong())
}
}
2.
class MyOrdersFragment : OrderListFragment() {
override fun getQuery(firebaseFirestore: FirebaseFirestore): Query {
return firebaseFirestore.collection("tblOrders")
.whereEqualTo("userId", uid)
.whereEqualTo("isDraft", false)
.orderBy("timestamp", Query.Direction.DESCENDING)
.limit(LIMIT.toLong())
}
}
At first, it displays the orders, but when I swipe from one fragment, and go back, the previous fragment can't display the recyclerview again. Actually now it does not display at all
android firebase android-fragments kotlin google-cloud-firestore asked Nov 22 '18 at 8:32
Githithu WamburaGithithu Wambura
15327
If you said that you can swipe between page, thenI assume that you use ViewPager. Did your ViewPager adapter extends FragmentStatePagerAdapter()? If yes, please try to use FragmentPagerAdapter() instead of FragmentStatePagerAdapter(). Hope that my comment help you.
– Hello World
Nov 22 '18 at 10:26
Hey, thanks for your comment, but it uses FragmentPagerAdapter()
– Githithu Wambura
Nov 22 '18 at 11:01
add a comment |
0
0
0
I have created an app with Firebase Cloud Firestore. I'm trying to list my orders to a recyclerview in between fragments. I have a Fragment: OrderListFragment
// RecyclerView
mOrderAdapter = object : OrderAdapter(getQuery(mFirebaseFirestore), this@OrderListFragment) {
override fun onDataChanged() {
super.onDataChanged()
mRecyclerView.visibility = View.VISIBLE
}
override fun onError(e: FirebaseFirestoreException) {
super.onError(e)
showShortToast(context!!, "Error: " + e.toString())
// Show a snackbar on errors
Snackbar.make(mSnackbarLayout!!, "Error: check logs for info.", Snackbar.LENGTH_LONG).show()
}
}
mRecyclerView.adapter = mOrderAdapter
and two Fragments extending the above Fragment:
1.
class RecentOrderFragment : OrderListFragment() {
override fun getQuery(firebaseFirestore: FirebaseFirestore): Query {
return firebaseFirestore.collection("tblOrders")
.orderBy("timestamp", Query.Direction.DESCENDING)
.whereEqualTo("isDraft", false)
.whereEqualTo("isPaidFor", true)
.limit(LIMIT.toLong())
}
}
2.
class MyOrdersFragment : OrderListFragment() {
override fun getQuery(firebaseFirestore: FirebaseFirestore): Query {
return firebaseFirestore.collection("tblOrders")
.whereEqualTo("userId", uid)
.whereEqualTo("isDraft", false)
.orderBy("timestamp", Query.Direction.DESCENDING)
.limit(LIMIT.toLong())
}
}
At first, it displays the orders, but when I swipe from one fragment, and go back, the previous fragment can't display the recyclerview again. Actually now it does not display at all
android firebase android-fragments kotlin google-cloud-firestore asked Nov 22 '18 at 8:32
Githithu WamburaGithithu Wambura
15327
I have created an app with Firebase Cloud Firestore. I'm trying to list my orders to a recyclerview in between fragments. I have a Fragment: OrderListFragment
// RecyclerView
mOrderAdapter = object : OrderAdapter(getQuery(mFirebaseFirestore), this@OrderListFragment) {
override fun onDataChanged() {
super.onDataChanged()
mRecyclerView.visibility = View.VISIBLE
}
override fun onError(e: FirebaseFirestoreException) {
super.onError(e)
showShortToast(context!!, "Error: " + e.toString())
// Show a snackbar on errors
Snackbar.make(mSnackbarLayout!!, "Error: check logs for info.", Snackbar.LENGTH_LONG).show()
}
}
mRecyclerView.adapter = mOrderAdapter
and two Fragments extending the above Fragment:
1.
class RecentOrderFragment : OrderListFragment() {
override fun getQuery(firebaseFirestore: FirebaseFirestore): Query {
return firebaseFirestore.collection("tblOrders")
.orderBy("timestamp", Query.Direction.DESCENDING)
.whereEqualTo("isDraft", false)
.whereEqualTo("isPaidFor", true)
.limit(LIMIT.toLong())
}
}
2.
class MyOrdersFragment : OrderListFragment() {
override fun getQuery(firebaseFirestore: FirebaseFirestore): Query {
return firebaseFirestore.collection("tblOrders")
.whereEqualTo("userId", uid)
.whereEqualTo("isDraft", false)
.orderBy("timestamp", Query.Direction.DESCENDING)
.limit(LIMIT.toLong())
}
}
At first, it displays the orders, but when I swipe from one fragment, and go back, the previous fragment can't display the recyclerview again. Actually now it does not display at all
android firebase android-fragments kotlin google-cloud-firestore android firebase android-fragments kotlin google-cloud-firestore asked Nov 22 '18 at 8:32
Githithu WamburaGithithu Wambura
15327
asked Nov 22 '18 at 8:32
Githithu WamburaGithithu Wambura
15327
edited Nov 27 '18 at 4:50
Githithu Wambura
asked Nov 22 '18 at 8:32
Githithu WamburaGithithu Wambura
15327
asked Nov 22 '18 at 8:32
Githithu WamburaGithithu Wambura
15327
asked Nov 22 '18 at 8:32
Githithu WamburaGithithu Wambura
15327
15327
If you said that you can swipe between page, thenI assume that you use ViewPager. Did your ViewPager adapter extends FragmentStatePagerAdapter()? If yes, please try to use FragmentPagerAdapter() instead of FragmentStatePagerAdapter(). Hope that my comment help you.
– Hello World
Nov 22 '18 at 10:26
Hey, thanks for your comment, but it uses FragmentPagerAdapter()
– Githithu Wambura
Nov 22 '18 at 11:01
add a comment |
If you said that you can swipe between page, thenI assume that you use ViewPager. Did your ViewPager adapter extends FragmentStatePagerAdapter()? If yes, please try to use FragmentPagerAdapter() instead of FragmentStatePagerAdapter(). Hope that my comment help you.
– Hello World
Nov 22 '18 at 10:26
Hey, thanks for your comment, but it uses FragmentPagerAdapter()
– Githithu Wambura
Nov 22 '18 at 11:01
If you said that you can swipe between page, thenI assume that you use ViewPager. Did your ViewPager adapter extends FragmentStatePagerAdapter()? If yes, please try to use FragmentPagerAdapter() instead of FragmentStatePagerAdapter(). Hope that my comment help you.
– Hello World
Nov 22 '18 at 10:26
If you said that you can swipe between page, thenI assume that you use ViewPager. Did your ViewPager adapter extends FragmentStatePagerAdapter()? If yes, please try to use FragmentPagerAdapter() instead of FragmentStatePagerAdapter(). Hope that my comment help you.
– Hello World
Nov 22 '18 at 10:26
Hey, thanks for your comment, but it uses FragmentPagerAdapter()
– Githithu Wambura
Nov 22 '18 at 11:01
Hey, thanks for your comment, but it uses FragmentPagerAdapter()
– Githithu Wambura
Nov 22 '18 at 11:01
add a comment |
0
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If you said that you can swipe between page, thenI assume that you use ViewPager. Did your ViewPager adapter extends FragmentStatePagerAdapter()? If yes, please try to use FragmentPagerAdapter() instead of FragmentStatePagerAdapter(). Hope that my comment help you.
– Hello World
Nov 22 '18 at 10:26
Hey, thanks for your comment, but it uses FragmentPagerAdapter()
– Githithu Wambura
Nov 22 '18 at 11:01