Jetpack Compose中组件自定义(组件封装)

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Jetpack Compose中使用相机

前言

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import androidx.compose.foundation.clickable
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.BoxScope
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.height
import androidx.compose.foundation.layout.padding
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.draw.clip
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp
import com.xhkjedu.zxs_android.common.CommonTheme


@Composable
public fun PageTopBar(
    title: String,
    showBack: Boolean = true,
    backAction: () -> Unit,
    content: @Composable BoxScope.() -> Unit
) {
    Box(
        modifier = Modifier
            .fillMaxWidth()
            .height(44.dp)
            .padding(start = 24.dp, end = 24.dp),
    ) {
        if (showBack) {
            Row(
                modifier = Modifier
                    .align(Alignment.CenterStart)
                    .clip(CommonTheme.CornerXs)
                    .clickable {
                        backAction()
                    },
                verticalAlignment = Alignment.CenterVertically
            ) {
                IconFont(icon = IconFont.IconFanhui2, size = 18f)
                Text("返回", fontSize = 18.sp)
            }
        }
        
        Text(
            title,
            modifier = Modifier.align(Alignment.Center),
            fontSize = 20.sp,
            color = Color.Black
        )

        Box(
            modifier = Modifier
                .align(Alignment.CenterEnd),
        ) {
            content()
        }

    }
}

使用

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PageTopBar(title = "教材同步练", backAction = {
    navController.popBackStack()
}) {
    Row(verticalAlignment = Alignment.CenterVertically) {
        Text("数学")
        IconFont(icon = IconFont.IconXiala)
    }
}