RandyWei

//需要添加依赖
//implementation "com.google.accompanist:accompanist-pager:0.24.4-alpha"
//implementation "com.google.accompanist:accompanist-pager-indicators:0.24.4-alpha"
@OptIn(ExperimentalPagerApi::class)
@Composable
fun PagerWithTabRow() {

    val tabs = listOf("首页", "图片", "国内", "国际", "数读", "军事", "航空", "传媒研究院", "政务", "公益", "媒体")

    val pagerState = rememberPagerState()

RandyWei

import androidx.compose.foundation.background
import androidx.compose.foundation.border
import androidx.compose.foundation.clickable
import androidx.compose.foundation.layout.*
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.foundation.text.BasicTextField
import androidx.compose.foundation.text.KeyboardOptions
import androidx.compose.material.*
import androidx.compose.material.icons.Icons
import androidx.compose.material.icons.filled.ArrowLeft

RandyWei

struct TimelineDemo: View {
    var body: some View {
        ScrollView{
            VStack(spacing: 0){
                TimelineItemView(first: true)
                ForEach(0..<10){_ in
                    TimelineItemView()
                }
                TimelineItemView(last: true)
            }

RandyWei

struct ScrollViewDemo: View {
    
    //ScorllView滚动偏移量
    @State private var offset: CGFloat = 0
    
    //header 最大高度
    private let headerMaxHeight: CGFloat = 250
    
    //计算 header 的偏移量
    private var headerOffset: CGFloat {

RandyWei

import SwiftUI

struct ContentView: View {
    
    //划动偏移量
    @GestureState var offset:CGFloat = 0
    
    //滑动应该停留在某个点
    //停留点： 屏幕宽度的3/5
    let maxOffset:CGFloat = UIScreen.main.bounds.width * 3 / 5

RandyWei

import SwiftUI

extension View {
    func gradientForeground<GradientForeground>(_ gragient: GradientForeground)  -> some View  where GradientForeground : View{
        self.overlay(gragient)
            .mask(self)
    }
}

struct ContentView: View {

RandyWei

import SwiftUI

struct ContentView: View {
    var body: some View {
        NavigationView {
            ScrollView{
                VStack{
                    ForEach(0..<10){_ in
                        TimelineItemView()

RandyWei

import SwiftUI

struct ContentView: View {
    var body: some View {
        NavigationView {
            ScrollView{
                VStack{
                    ForEach(0..<10){_ in
                        TimelineItemView()
                    }