活动指示器如何出现 iOS 活动指示器

Props

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animating bool 型

显示指示器(true，默认的)还是隐藏它(false)。

color 字符串型

Spinner 的前景颜色(默认为灰色)。

size 枚举型(“小”，“大”)

指示器的大小。小的高度为 20，大的高度为 36。

例子

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"use strict";var React = require("react-native");var {
  ActivityIndicatorIOS,
  StyleSheet,
  View,
} = React;var TimerMixin = require("react-timer-mixin");var ToggleAnimatingActivityIndicator = React.createClass({
  mixins: [TimerMixin],
  getInitialState: function() {    return {
      animating: true,
    };
  },
  setToggleTimeout: function() {
    this.setTimeout(
      () => {
        this.setState({animating: !this.state.animating});
        this.setToggleTimeout();
      },      1200
    );
  },
  componentDidMount: function() {
    this.setToggleTimeout();
  },
  render: function() {    return (
      <ActivityIndicatorIOS
        animating={this.state.animating}
        style={[styles.centering, {height: 80}]}
        size="large"
      />
    );
  }
});
exports.framework = "React";
exports.title = "<ActivityIndicatorIOS>";
exports.description = "Animated loading indicators.";
exports.examples = [
  {
    title: "Default (small, white)",
    render: function() {      return (
        <ActivityIndicatorIOS
          style={[styles.centering, styles.gray, {height: 40}]}
          color="white"
          />
      );
    }
  },
  {
    title: "Gray",
    render: function() {      return (
        <View>
          <ActivityIndicatorIOS
            style={[styles.centering, {height: 40}]}
          />
          <ActivityIndicatorIOS
            style={[styles.centering, {backgroundColor: "#eeeeee", height: 40}]}
          />
        </View>
      );
    }
  },
  {
    title: "Custom colors",
    render: function() {      return (
        <View style={styles.horizontal}>
          <ActivityIndicatorIOS color="#0000ff" />
          <ActivityIndicatorIOS color="#aa00aa" />
          <ActivityIndicatorIOS color="#aa3300" />
          <ActivityIndicatorIOS color="#00aa00" />
        </View>
      );
    }
  },
  {
    title: "Large",
    render: function() {      return (
        <ActivityIndicatorIOS
          style={[styles.centering, styles.gray, {height: 80}]}
          color="white"
          size="large"
        />
      );
    }
  },
  {
    title: "Large, custom colors",
    render: function() {      return (
        <View style={styles.horizontal}>
          <ActivityIndicatorIOS
            size="large"
            color="#0000ff"
          />
          <ActivityIndicatorIOS
            size="large"
            color="#aa00aa"
          />
          <ActivityIndicatorIOS
            size="large"
            color="#aa3300"
          />
          <ActivityIndicatorIOS
            size="large"
            color="#00aa00"
          />
        </View>
      );
    }
  },
  {
    title: "Start/stop",
    render: function(): ReactElement {      return <ToggleAnimatingActivityIndicator />;
    }
  },
];var styles = StyleSheet.create({
  centering: {
    alignItems: "center",
    justifyContent: "center",
  },
  gray: {
    backgroundColor: "#cccccc",
  },
  horizontal: {
    flexDirection: "row",
    justifyContent: "space-around",
  },
});