OpenHarmony应用开发-文本样式设置/栅格设置/颜色渐变/Popup控制

// xxx.ets
@Entry
@Component
struct TextStyleExample {
  build() {
    Column({ space: 5 }) {
      Text('default text')
      
      Text('text font color red').fontColor(Color.Red)
      
      Text('text font default')
      Text('text font size 10').fontSize(10)
      Text('text font size 10fp').fontSize('10fp')
      Text('text font size 20').fontSize(20)
      
      Text('text font style Italic').fontStyle(FontStyle.Italic)
      
      Text('text fontWeight bold').fontWeight(700)
      Text('text fontWeight lighter').fontWeight(FontWeight.Lighter)
      
      Text('red 20 Italic bold text')
        .fontColor(Color.Red)
        .fontSize(20)
        .fontStyle(FontStyle.Italic)
        .fontWeight(FontWeight.Bold)
      
      Text('Orange 18 Normal text')
        .fontColor(Color.Orange)
        .fontSize(18)
        .fontStyle(FontStyle.Normal)
    }.width('100%')
  }
}

// xxx.ets
@Entry
@Component
struct GridContainerExample1 {
  build() {
    Column() {
      Text('useSizeType').fontSize(15).fontColor(0xCCCCCC).width('90%')
      GridContainer() {
        Row({}) {
          Row() {
            Text('Left').fontSize(25)
          }
          .useSizeType({
            xs: { span: 1, offset: 0 }, sm: { span: 1, offset: 0 },
            md: { span: 1, offset: 0 }, lg: { span: 2, offset: 0 }
          })
          .height("100%")
          .backgroundColor(0x66bbb2cb)

          Row() {
            Text('Center').fontSize(25)
          }
          .useSizeType({
            xs: { span: 1, offset: 0 }, sm: { span: 2, offset: 1 },
            md: { span: 5, offset: 1 }, lg: { span: 7, offset: 2 }
          })
          .height("100%")
          .backgroundColor(0x66b6c5d1)

          Row() {
            Text('Right').fontSize(25)
          }
          .useSizeType({
            xs: { span: 1, offset: 0 }, sm: { span: 1, offset: 3 },
            md: { span: 2, offset: 6 }, lg: { span: 3, offset: 9 }
          })
          .height("100%")
          .backgroundColor(0x66bbb2cb)
        }
        .height(200)

      }
      .backgroundColor(0xf1f3f5)
      .margin({ top: 10 })

      // 单独设置组件的span和offset,在sm尺寸大小的设备上使用useSizeType中sm的数据实现一样的效果
      Text('gridSpan,gridOffset').fontSize(15).fontColor(0xCCCCCC).width('90%')
      GridContainer() {
        Row() {
          Row() {
            Text('Left').fontSize(25)
          }
          .gridSpan(1)
          .height("100%")
          .backgroundColor(0x66bbb2cb)

          Row() {
            Text('Center').fontSize(25)
          }
          .gridSpan(2)
          .gridOffset(1)
          .height("100%")
          .backgroundColor(0x66b6c5d1)

          Row() {
            Text('Right').fontSize(25)
          }
          .gridSpan(1)
          .gridOffset(3)
          .height("100%")
          .backgroundColor(0x66bbb2cb)
        }.height(200)
      }
    }
  }
}

// xxx.ets
@Entry
@Component
struct ColorGradientExample {
  build() {
    Column({ space: 5 }) {
      Text('linearGradient').fontSize(12).width('90%').fontColor(0xCCCCCC)
      Row()
        .width('90%')
        .height(50)
        .linearGradient({
          angle: 90,
          colors: [[0xff0000, 0.0], [0x0000ff, 0.3], [0xffff00, 1.0]]
        })
      Text('linearGradient Repeat').fontSize(12).width('90%').fontColor(0xCCCCCC)
      Row()
        .width('90%')
        .height(50)
        .linearGradient({
          direction: GradientDirection.Left, // 渐变方向
          repeating: true, // 渐变颜色是否重复
          colors: [[0xff0000, 0.0], [0x0000ff, 0.3], [0xffff00, 0.5]] // 数组末尾元素占比小于1时满足重复着色效果
        })
    }
    .width('100%')
    .padding({ top: 5 })
  }
}

@Entry
@Component
struct ColorGradientExample {
  build() {
    Column({ space: 5 }) {
      Text('sweepGradient').fontSize(12).width('90%').fontColor(0xCCCCCC)
      Row()
        .width(100)
        .height(100)
        .sweepGradient({
          center: [50, 50],
          start: 0,
          end: 359,
          colors: [[0xff0000, 0.0], [0x0000ff, 0.3], [0xffff00, 1.0]]
        })
      
      Text('sweepGradient Reapeat').fontSize(12).width('90%').fontColor(0xCCCCCC)
      Row()
        .width(100)
        .height(100)
        .sweepGradient({
          center: [50, 50],
          start: 0,
          end: 359,
          rotation: 45, // 旋转角度
          repeating: true, // 渐变颜色是否重复
          colors: [[0xff0000, 0.0], [0x0000ff, 0.3], [0xffff00, 0.5]] // 数组末尾元素占比小于1时满足重复着色效果
        })
    }
    .width('100%')
    .padding({ top: 5 })
  }
}

// xxx.ets
@Entry
@Component
struct ColorGradientExample {
  build() {
    Column({ space: 5 }) {
      Text('radialGradient').fontSize(12).width('90%').fontColor(0xCCCCCC)
      Row()
        .width(100)
        .height(100)
        .radialGradient({
          center: [50, 50],
          radius: 60,
          colors: [[0xff0000, 0.0], [0x0000ff, 0.3], [0xffff00, 1.0]]
        })
      Text('radialGradient Repeat').fontSize(12).width('90%').fontColor(0xCCCCCC)
      Row()
        .width(100)
        .height(100)
        .radialGradient({
          center: [50, 50],
          radius: 60,
          repeating: true,
          colors: [[0xff0000, 0.0], [0x0000ff, 0.3], [0xffff00, 0.5]] // 数组末尾元素占比小于1时满足重复着色效果
        })
    }
    .width('100%')
    .padding({ top: 5 })
  }
}

// xxx.ets
@Entry
@Component
struct PopupExample {
  @State handlePopup: boolean = false
  @State customPopup: boolean = false

  // popup构造器定义弹框内容
  @Builder popupBuilder() {
    Row({ space: 2 }) {
      Image($r("app.media.image")).width(24).height(24).margin({ left: -5 })
      Text('Custom Popup').fontSize(10)
    }.width(100).height(50).padding(5)
  }

  build() {
    Flex({ direction: FlexDirection.Column }) {
      // PopupOptions 类型设置弹框内容
      Button('PopupOptions')
        .onClick(() => {
          this.handlePopup = !this.handlePopup
        })
        .bindPopup(this.handlePopup, {
          message: 'This is a popup with PopupOptions',
          placementOnTop: true,
          showInSubWindow:false,
          primaryButton: {
            value: 'confirm',
            action: () => {
              this.handlePopup = !this.handlePopup
              console.info('confirm Button click')
            }
          },
          // 第二个按钮
          secondaryButton: {
            value: 'cancel',
            action: () => {
              this.handlePopup = !this.handlePopup
              console.info('cancel Button click')
            }
          },
          onStateChange: (e) => {
            console.info(JSON.stringify(e.isVisible))
            if (!e.isVisible) {
              this.handlePopup = false
            }
          }
        })
        .position({ x: 100, y: 50 })


      // CustomPopupOptions 类型设置弹框内容
      Button('CustomPopupOptions')
        .onClick(() => {
          this.customPopup = !this.customPopup
        })
        .bindPopup(this.customPopup, {
          builder: this.popupBuilder,
          placement: Placement.Top,
          mask: {color: 0x33000000},
          popupColor: Color.Yellow,
          enableArrow: true,
          showInSubWindow: false,
          onStateChange: (e) => {
            if (!e.isVisible) {
              this.customPopup = false
            }
          }
        })
        .position({ x: 80, y: 200 })
    }.width('100%').padding({ top: 5 })
  }
}