<androidx.coordinatorlayout.widget.CoordinatorLayout
android:id="@+id/coordinator"
android:layout_width="match_parent"
android:layout_height="
wrap_
content"
android:background="@color/mp_background_f5f7fa"
app:layout_constraintBottom_toBottomOf="parent">
<androidx.constraintlayout.widget.ConstraintLayout
android:id="@+id/cl_device_dialog"
android:layout_width="match_parent"
android:layout_height="
wrap_
content"
android:paddingBottom="@dimen/tpds_all_dp_8"
app:layout_behavior="com.google.android.material.bottomsheet.BottomSheetBehavior">
<androidx.constraintlayout.widget.ConstraintLayout
android:id="@+id/ll_loading"
android:layout_width="match_parent"
android:layout_height="@dimen/tpds_all_dp_130"
android:background="@color/tpds_white"
android:gravity="center_horizontal"
android:orientation="vertical"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
<ImageView
android:id="@+id/iv_loading"
android:layout_width="@dimen/tpds_all_dp_26"
android:layout_height="@dimen/tpds_all_dp_26"
android:layout_marginBottom="@dimen/tpds_all_dp_16"
android:src="@mipmap/tpds_ic_loading_common"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<TextView
android:id="@+id/tv_loading"
style="@style/Widget.TPDesign.TextView.Secondary.Subtitle1"
android:layout_width="match_parent"
android:layout_height="
wrap_
content"
android:layout_marginTop="@dimen/tpds_all_dp_8"
android:gravity="center_horizontal"
android:text="@string/mp_heatmap_import_device"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/iv_loading" />
</androidx.constraintlayout.widget.ConstraintLayout>
<androidx.constraintlayout.widget.ConstraintLayout
android:id="@+id/ll_end"
android:layout_width="match_parent"
android:layout_height="@dimen/tpds_all_dp_130"
android:background="@color/tpds_white"
android:gravity="center_horizontal"
android:orientation="vertical"
android:visibility="gone"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
<ImageView
android:id="@+id/iv_end"
android:layout_width="@dimen/tpds_all_dp_26"
android:layout_height="@dimen/tpds_all_dp_26"
android:layout_marginBottom="@dimen/tpds_all_dp_16"
android:src="@drawable/png_finish_scatter_flowers"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<TextView
android:id="@+id/tv_end"
style="@style/Widget.TPDesign.TextView.Secondary.Subtitle1"
android:layout_width="match_parent"
android:layout_height="
wrap_
content"
android:layout_marginHorizontal="@dimen/tpds_all_dp_16"
android:layout_marginTop="@dimen/tpds_all_dp_8"
android:gravity="center_horizontal"
android:text="@string/mp_heatmap_all_device_input_floor_plan"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/iv_end" />
</androidx.constraintlayout.widget.ConstraintLayout>
<ImageView
android:id="@+id/iv_fold"
android:layout_width="
wrap_
content"
android:layout_height="
wrap_
content"
android:layout_marginTop="@dimen/tpds_all_dp_8"
android:src="@drawable/svg_fold_icon"
android:visibility="gone"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<TextView
android:id="@+id/tv_device_num"
style="@style/Widget.TPDesign.TextView.Secondary.Subtitle1"
android:layout_width="match_parent"
android:layout_height="
wrap_
content"
android:layout_marginHorizontal="@dimen/tpds_all_dp_16"
android:layout_marginTop="@dimen/tpds_all_dp_8"
android:visibility="gone"
android:gravity="start"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/iv_fold" />
<androidx.
recyclerview.widget.
RecyclerView
android:id="@+id/rv_device"
android:layout_width="match_parent"
android:layout_height="
wrap_
content"
android:layout_marginHorizontal="@dimen/tpds_all_dp_8"
android:layout_marginTop="@dimen/tpds_all_dp_8"
android:layout_marginBottom="@dimen/tpds_all_dp_16"
android:visibility="gone"
app:layout_constrainedHeight="true"
app:layoutManager="androidx.
recyclerview.widget.LinearLayoutManager"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/tv_device_num"
app:layout_constraintBottom_toBottomOf="parent"/>
</androidx.constraintlayout.widget.ConstraintLayout>
</androidx.coordinatorlayout.widget.CoordinatorLayout>
private fun showDevicePlaceDialog() {
mBottomSheetBehavior = BottomSheetBehavior.from(viewBinding.clDeviceDialog)
// 初始时
设置 BottomSheet 为折叠状态，并
设置其
高度为peekHeight
mBottomSheetBehavior.state = BottomSheetBehavior.STATE_COLLAPSED
mBottomSheetBehavior.peekHeight = DisplayUtils.dp2px(this, DEVICE_PLACE_DIALOG_MIN_HEIGHT)
// showLoading()
}
//
设置高度
val height = (resources.displayMetrics.heightPixels * DIALOG_MAX_HEIGHT_MULTIPLE).toInt()
viewBinding.clDeviceDialog.maxHeight = height
//
设置 BottomSheetBehavior 的状态回调
mBottomSheetBehavior.addBottomSheetCallback(object :
BottomSheetBehavior.BottomSheetCallback() {
override fun onStateChanged(bottomSheet: View, newState: Int) {
when (newState) {
BottomSheetBehavior.STATE_COLLAPSED -> {
// 当 BottomSheet 处于折叠状态时,
更新为横向滚动
viewBinding.rvDevice.layoutManager = LinearLayoutManager(
this@DevicePlacementActivity,
LinearLayoutManager.HORIZONTAL,
false
)
mAdapter?.setExpanded(false)
}
BottomSheetBehavior.STATE_EXPANDED -> {
viewBinding.flDevice.setSmallBottomSheetOffsetY(viewBinding.coordinator.y)
// 当 BottomSheet 处于展开状态时 ，则
更新为纵向滚动
viewBinding.rvDevice.layoutManager =
LinearLayoutManager(this@DevicePlacementActivity)
mAdapter?.setExpanded(true)
}
BottomSheetBehavior.STATE_DRAGGING,
BottomSheetBehavior.STATE_HALF_EXPANDED,
BottomSheetBehavior.STATE_HIDDEN,
BottomSheetBehavior.STATE_SETTLING -> Unit
}
}
override fun onSlide(bottomSheet: View, slideOffset: Float) = Unit
})
// mBottomSheetBehavior.maxHeight = height // TODO
高度有
bug，目前采用的方法是直接在xml中
设置recyclerView的
高度
viewBinding.rvDevice.layoutManager =
LinearLayoutManager(this, LinearLayoutManager.HORIZONTAL, false)
}
为什么我这样
设置时，当面板展开后，
recyclerView的
高度把上面的iv_fold都给顶到外面去了
本文介绍了一个RecyclerView兼容包的bug，并提供了解决方案。建议将RecyclerView及其他兼容包升级到23.2.0版本及以上来修复该问题。
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