Deepshikha Puri, the young Indian Entrepreneur heading the mobile development trade from years to successive extent, has worked with numerous clients and many tremendous brands in this industry of mobile encompassing in India and overseas maintaining promising work relationships with each of them with an impression to manage it's whole thing.

Sunday, November 10, 2019

Runtime Permission In React Native

Video Demo:

There are two type of permissions: Normal and Dangerous permission.
Normal permission are like Internet permission, network permission etc and Dangerous permission contain the private data of users like contact details, gallery etc. Before Android version 6 these permissions are showed while installing the application but there is not method to change these permission during running app. But now in latest version permission system has been changed and now user can deny these permission in running app.

permissions android react native example react native android runtime permission

react-native-permissions example Request Runtime permission React Native

Step 1->
To create your project run this command:
sudo npm install -g react-native-cli
Step 2-> 
Now initialise your project name. Replace your project name with RunTimePermission:
react-native init RunTimePermission

Now add permission in your AndroidManifest.xml file:
Path: android->src->AndroidManifest.xml

<manifest xmlns:android="" package="com.runtimepermissions">
<uses-permission android:name="android.permission.INTERNET" /> <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW"/> <uses-permission android:name="android.permission.CAMERA" />
<application android:name=".MainApplication" android:label="@string/app_name" android:icon="@mipmap/ic_launcher" android:allowBackup="false" android:theme="@style/AppTheme"> <activity android:name=".MainActivity" android:label="@string/app_name" android:configChanges="keyboard|keyboardHidden|orientation|screenSize" android:windowSoftInputMode="adjustResize"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <activity android:name="com.facebook.react.devsupport.DevSettingsActivity" /> </application>

Now you can start work on your React js classes


import React, {Component} from 'react'; import { StyleSheet, Text, View,StatusBar,Button} from 'react-native'; import { runTimePermissions } from './functions/runPermissions'; export default class App extends Component {
async btnCamera(){ await runTimePermissions() }
render() { return ( <View style={styles.container}> <StatusBar backgroundColor='#FF7043'></StatusBar> <View style={}> <Text style={styles.txt}>Run Time Permissions</Text> </View>
<View style={styles.btncontainer}> <Button color='#FF5722' title='CAMERA' onPress={this.btnCamera.bind(this)}></Button> </View>
</View> ); } }
const styles = StyleSheet.create({ container: { flex: 1, backgroundColor: '#F5FCFF', },
bar:{ backgroundColor:'#FF5722', height: 50, justifyContent: 'center' },

btncontainer:{ flex:1, backgroundColor: 'white', justifyContent: 'center', padding:10 },
txt:{ color: 'white', textAlign:'center', },
button: { backgroundColor: '#00aeef', borderColor: 'red', borderWidth: 5, borderRadius: 15, color: 'black' } });


import {PermissionsAndroid} from 'react-native'
export async function runTimePermissions() { const grant= await PermissionsAndroid.request( PermissionsAndroid.PERMISSIONS.CAMERA )
if(grant==PermissionsAndroid.RESULTS.GRANTED){ alert('Run time permissions granted') }else{ alert('Run time permissions denied') } }



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