请问有人可以告诉我如何使用数据绑定来填充图像资源到ImageView中吗?
@BindingAdapter("set_expense_category_image")
fun ImageView.setImageResource(expenseCategory: String) {
this.setImageResource(
when (expenseCategory) {
ExpenseTypes.FOOD.expenseLitral -> R.drawable.ic_baseline_fastfood_24
ExpenseTypes.SHOPPING.expenseLitral -> R.drawable.ic_baseline_shopping_basket_24
ExpenseTypes.GYM.expenseLitral -> R.drawable.ic_baseline_accessibility_new_24
ExpenseTypes.MEDICAL.expenseLitral -> R.drawable.ic_baseline_medical_services_24
ExpenseTypes.HOUSE_RENT.expenseLitral -> R.drawable.ic_baseline_house_24
ExpenseTypes.TRAVEL.expenseLitral -> R.drawable.ic_baseline_emoji_transportation_24
ExpenseTypes.FREE_HAND_MONEY.expenseLitral -> R.drawable.ic_outline_money_24
ExpenseTypes.INVESTING.expenseLitral -> R.drawable.ic_baseline_monetization_on_24
ExpenseTypes.MONTHLY_EMI.expenseLitral -> R.drawable.ic_baseline_payments_24
ExpenseTypes.MISCELLANEOUS.expenseLitral -> R.drawable.ic_baseline_kitesurfing_24
else -> R.drawable.ic_baseline_supervisor_account_24
}
)
}
步骤:2
您可以在图像视图中使用输入来加载动态图像,具体请参见以下内容:
<ImageView
android:id="@+id/imageView4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
set_expense_category_image="@{expense.expenseCategoryName}"
app:layout_constraintBottom_toTopOf="@+id/view"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="@+id/imageView5"
app:srcCompat="@drawable/ic_baseline_fastfood_24" />