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Android: QtAbstractListModel kotlin example synchronization 

Annotated each member function of MyListModel with @Synchronized,
and added synchronized-block to constructor.

Task-number: QTBUG-127467
Pick-to: 6.8
Change-Id: I9fe2d23d0706bf5d247dcaf82a8aa7a987a37286
Reviewed-by: Tinja Paavoseppä <tinja.paavoseppa@qt.io>
This commit is contained in:
Petri Virkkunen 2024-07-31 15:39:32 +03:00
parent 1b85df0a2e
commit 8c9381dfba
1 changed files with 9 additions and 2 deletions
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11
examples/platforms/android/models/abstractlistmodel_kotlin/app/src/main/java/com/example/qtlm_in_kotlin_based_android_project/MyListModel.kt
View File

@ -28,11 +28,14 @@ class MyListModel : QtAbstractListModel() {
private val m_dataList = ArrayList<String>()
init {
for (row in 0..4) {
m_dataList.add(UUID.randomUUID().toString())
synchronized(this) {
for (row in 0..4) {
m_dataList.add(UUID.randomUUID().toString())
}
}
}
@Synchronized
override fun data(qtModelIndex: QtModelIndex, role: Int): Any {
return when (DataRole.valueOf(role)) {
DataRole.UUID -> "UUID: " + m_dataList[qtModelIndex.row()]
@ -41,10 +44,12 @@ class MyListModel : QtAbstractListModel() {
}
}
@Synchronized
override fun rowCount(qtModelIndex: QtModelIndex?): Int {
return m_dataList.size
}
@Synchronized
override fun roleNames(): HashMap<Int, String> {
val m_roles = HashMap<Int, String>()
m_roles[DataRole.UUID.value()] = "id"
@ -52,12 +57,14 @@ class MyListModel : QtAbstractListModel() {
return m_roles
}
@Synchronized
fun addRow() {
beginInsertRows(QtModelIndex(), m_dataList.size, m_dataList.size)
m_dataList.add(UUID.randomUUID().toString())
endInsertRows()
}
@Synchronized
fun removeRow() {
if (!m_dataList.isEmpty()) {
beginRemoveRows(QtModelIndex(), m_dataList.size - 1, m_dataList.size - 1)