react-native/RNTester/js/PermissionsExampleAndroid.a...

121 lines
3.2 KiB
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @flow
*/
'use strict';
const React = require('react');
const ReactNative = require('react-native');
const {
PermissionsAndroid,
Picker,
StyleSheet,
Text,
TouchableWithoutFeedback,
View,
} = ReactNative;
const Item = Picker.Item;
exports.displayName = (undefined: ?string);
exports.framework = 'React';
exports.title = 'PermissionsAndroid';
exports.description = 'Permissions example for API 23+.';
class PermissionsExample extends React.Component<{}, $FlowFixMeState> {
state = {
permission: PermissionsAndroid.PERMISSIONS.CAMERA,
hasPermission: 'Not Checked',
};
render() {
return (
<View style={styles.container}>
<Text style={styles.text}>Permission Name:</Text>
<Picker
style={styles.picker}
selectedValue={this.state.permission}
onValueChange={this._onSelectPermission.bind(this)}>
<Item label={PermissionsAndroid.PERMISSIONS.CAMERA} value={PermissionsAndroid.PERMISSIONS.CAMERA} />
<Item label={PermissionsAndroid.PERMISSIONS.READ_CALENDAR} value={PermissionsAndroid.PERMISSIONS.READ_CALENDAR} />
<Item label={PermissionsAndroid.PERMISSIONS.ACCESS_FINE_LOCATION} value={PermissionsAndroid.PERMISSIONS.ACCESS_FINE_LOCATION} />
</Picker>
<TouchableWithoutFeedback onPress={this._checkPermission}>
<View>
<Text style={[styles.touchable, styles.text]}>Check Permission</Text>
</View>
</TouchableWithoutFeedback>
<Text style={styles.text}>Permission Status: {this.state.hasPermission}</Text>
<TouchableWithoutFeedback onPress={this._requestPermission}>
<View>
<Text style={[styles.touchable, styles.text]}>Request Permission</Text>
</View>
</TouchableWithoutFeedback>
</View>
);
}
_onSelectPermission = (permission: string) => {
this.setState({
permission: permission,
});
};
_checkPermission = async () => {
let result = await PermissionsAndroid.check(this.state.permission);
this.setState({
hasPermission: (result ? 'Granted' : 'Revoked') + ' for ' +
this.state.permission,
});
};
_requestPermission = async () => {
let result = await PermissionsAndroid.request(
this.state.permission,
{
title: 'Permission Explanation',
message:
'The app needs the following permission ' + this.state.permission +
' because of reasons. Please approve.'
},
);
this.setState({
hasPermission: result + ' for ' +
this.state.permission,
});
};
}
exports.examples = [
{
title: 'Permissions Example',
description: 'Short example of how to use the runtime permissions API introduced in Android M.',
render: () => <PermissionsExample />,
},
];
var styles = StyleSheet.create({
container: {
flex: 1,
backgroundColor: 'white',
},
singleLine: {
fontSize: 16,
padding: 4,
},
text: {
margin: 10,
},
touchable: {
color: '#007AFF',
},
picker: {
flex: 1,
}
});