change buildtool version to 25

this is a side branch that allow users to use with buildtool v25
will merge to main branched once react-native team upgrade their default version

bug fix

#359

add _actionIdentifier

• add action_identifier from iOS aps into _actionIdentifier #328
• fix iOS filename typo

fix iOS9 local notification callback

v6.0.3

Update README.md

fix notification callback return empty

v6.0.2

Update package.json

completionHandler

BREAKING CHANGES for all iOS users:

• iOS appDelegate.m integration changed, check readme
• FCM.on('notification') is changed, use FCM.on(FCMEvent.Notification)
• FCM.on('refreshToken') is changed, use FCM.on(FCMEvent.RefreshToken)

Detail:
call iOS completionHandler after javascript code finishes rather than immediately. callback takes async functions.
use constants instead of string (like 'notification' or 'refreshToken') to avoid typo etc.

better cocoapod support

#278
Potential breaking change for people for using cocoapod or framework

fix FCM not connected on first load for ios

v4.0.2

Update package.json

fix large_icon android

#269

use .remove() for unsubscribing

#263 use .remove() for unsubscribing so we are inline with RN's api convension. sorry for the breaking changes

now you need to do this:

this.refreshTokenListener = FCM.on('refreshToken', (token) => {})
this.notificationListener = FCM.on('notification', (notif)=>{})

componentWillUnmount() {
    // stop listening for events
    this.notificationListener.remove();
    this.refreshTokenListener.remove();
}