Open source Android date and time pickers

Reviewed By: bestander

Differential Revision: D2856486

fb-gh-sync-id: 0bb81136289e2f121387649765ba682103e4701b

Examples/UIExplorer/TimePickerAndroidExample.js

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+/**
+ * The examples provided by Facebook are for non-commercial testing and
+ * evaluation purposes only.
+ *
+ * Facebook reserves all rights not expressly granted.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL
+ * FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+'use strict';
+
+var React = require('react-native');
+var {
+  TimePickerAndroid,
+  StyleSheet,
+  Text,
+  TouchableWithoutFeedback,
+} = React;
+
+var UIExplorerBlock = require('./UIExplorerBlock');
+var UIExplorerPage = require('./UIExplorerPage');
+
+var TimePickerAndroidExample = React.createClass({
+
+  statics: {
+    title: 'TimePickerAndroid',
+    description: 'Standard Android time picker dialog',
+  },
+
+  getInitialState() {
+    // *Text, *Hour and *Minute are set by successCallback -- this updates the text with the time
+    // picked by the user and makes it so the next time they open it the hour and minute they picked
+    // before is displayed.
+    return {
+      isoFormatText: 'pick a time (24-hour format)',
+      presetHour: 4,
+      presetMinute: 4,
+      presetText: 'pick a time, default: 4:04AM',
+      simpleText: 'pick a time',
+    };
+  },
+
+  async showPicker(stateKey, options) {
+    try {
+      const {action, minute, hour} = await TimePickerAndroid.open(options);
+      var newState = {};
+      if (action === TimePickerAndroid.timeSetAction) {
+        newState[stateKey + 'Text'] = _formatTime(hour, minute);
+        newState[stateKey + 'Hour'] = hour;
+        newState[stateKey + 'Minute'] = minute;
+      } else if (action === TimePickerAndroid.dismissedAction) {
+        newState[stateKey + 'Text'] = 'dismissed';
+      }
+      this.setState(newState);
+    } catch ({code, message}) {
+      console.warn(`Error in example '${stateKey}': `, message);
+    }
+  },
+
+  render() {
+    return (
+      <UIExplorerPage title="TimePickerAndroid">
+        <UIExplorerBlock title="Simple time picker">
+          <TouchableWithoutFeedback
+            onPress={this.showPicker.bind(this, 'simple')}>
+            <Text style={styles.text}>{this.state.simpleText}</Text>
+          </TouchableWithoutFeedback>
+        </UIExplorerBlock>
+        <UIExplorerBlock title="Time picker with pre-set time">
+          <TouchableWithoutFeedback
+            onPress={this.showPicker.bind(this, 'preset', {
+              hour: this.state.presetHour,
+              minute: this.state.presetMinute,
+            })}>
+            <Text style={styles.text}>{this.state.presetText}</Text>
+          </TouchableWithoutFeedback>
+        </UIExplorerBlock>
+
+        <UIExplorerBlock title="Time picker with 24-hour time format">
+          <TouchableWithoutFeedback
+            onPress={this.showPicker.bind(this, 'isoFormat', {
+              hour: this.state.isoFormatHour,
+              minute: this.state.isoFormatMinute,
+              is24Hour: true,
+            })}>
+            <Text style={styles.text}>{this.state.isoFormatText}</Text>
+          </TouchableWithoutFeedback>
+        </UIExplorerBlock>
+      </UIExplorerPage>
+    );
+  },
+});
+
+/**
+ * Returns e.g. '3:05'.
+ */
+function _formatTime(hour, minute) {
+  return hour + ':' + (minute < 10 ? '0' + minute : minute);
+}
+
+var styles = StyleSheet.create({
+  text: {
+    color: 'black',
+  },
+});
+
+module.exports = TimePickerAndroidExample;
+