Fix date range selection issue.

- The issue was that the MaterialDatePicker uses the UTC time zone internally. We had to account for that to avoid showing an off by one wrong selection on the Filter Options date range and the Date Range picker (MaterialDatePicker).

app/src/main/java/cy/agorise/bitsybitshareswallet/fragments/FilterOptionsDialog.kt

@@ -99,6 +99,8 @@ class FilterOptionsDialog : DialogFragment() {
 
         binding.tvEndDate.setOnClickListener { showDateRangePicker() }
 
+        dateFormat.timeZone = TimeZone.getTimeZone("UTC")
+
         updateDateTextViews()
 
         // Initialize Asset

app/src/main/java/cy/agorise/bitsybitshareswallet/viewmodels/TransactionsViewModel.kt

@@ -2,6 +2,7 @@ package cy.agorise.bitsybitshareswallet.viewmodels
 
 import android.app.Application
 import androidx.lifecycle.*
+import com.google.android.material.datepicker.MaterialDatePicker
 import cy.agorise.bitsybitshareswallet.database.joins.TransferDetail
 import cy.agorise.bitsybitshareswallet.models.FilterOptions
 import cy.agorise.bitsybitshareswallet.repositories.TransferDetailRepository
@@ -11,6 +12,7 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import java.util.*
 
+
 class TransactionsViewModel(application: Application) : AndroidViewModel(application) {
     companion object {
         const val TAG = "TransactionsViewModel"
@@ -32,12 +34,19 @@ class TransactionsViewModel(application: Application) : AndroidViewModel(applica
 
     init {
         // Initialize the start and end dates for the FilterOptions
-        val calendar = Calendar.getInstance()
+        val calendar = getClearedUtc()
+        calendar.timeInMillis = MaterialDatePicker.todayInUtcMilliseconds()
         mFilterOptions.endDate = calendar.timeInMillis
-        calendar.add(Calendar.MONTH, -2)
+        calendar.roll(Calendar.MONTH, -2)
         mFilterOptions.startDate = calendar.timeInMillis
     }
 
+    private fun getClearedUtc(): Calendar {
+        val utc = Calendar.getInstance(TimeZone.getTimeZone("UTC"))
+        utc.clear()
+        return utc
+    }
+
     internal fun getFilteredTransactions(userId: String): LiveData<List<TransferDetail>> {
         val currencyCode = Helper.getCoingeckoSupportedCurrency(Locale.getDefault())
         transactions = mRepository.getAll(userId, currencyCode)

app/src/main/res/layout/dialog_filter_options.xml

@@ -67,6 +67,7 @@
         android:text="@string/text__date_range"
         android:textSize="16sp"
         app:layout_constraintTop_toTopOf="@id/cbDateRange"
+        app:layout_constraintBottom_toBottomOf="@id/cbDateRange"
         app:layout_constraintStart_toStartOf="parent"/>
 
     <CheckBox
@@ -118,6 +119,7 @@
         android:text="@string/text__asset"
         android:textSize="16sp"
         app:layout_constraintTop_toTopOf="@id/cbAsset"
+        app:layout_constraintBottom_toBottomOf="@id/cbAsset"
         app:layout_constraintStart_toStartOf="parent"/>
 
     <CheckBox
@@ -158,6 +160,7 @@
         android:text="@string/text__equivalent_value"
         android:textSize="16sp"
         app:layout_constraintTop_toTopOf="@id/cbEquivalentValue"
+        app:layout_constraintBottom_toBottomOf="@id/cbEquivalentValue"
         app:layout_constraintStart_toStartOf="parent"/>
 
     <CheckBox
@@ -238,4 +241,4 @@
             app:layout_constraintEnd_toStartOf="@id/btnFilter"
             android:textColor="@color/colorPrimary"/>
 
-</androidx.constraintlayout.widget.ConstraintLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>