push notification android react native

assembleRelease,If you have the NDK installed, then no surprises will successfully package successfully, see in the app/build/outputs/apk directory:If there is no ndk, download a corresponding version.After downloading, then add local.properties in the directory.Add the following content :Configure the sdk.dir and address Pay attention to the double rodExample :Sdk.dir=d:\\android_sdkndk.dir=d:\\android_sdk\\android-ndk-r12bFinally to the last step

Recently in looking at react-native, the internal implementation is very interested in, and I wrote the module registered in, and in JS call, very curious how his method is exposed to JS, see the source of Basejavamodule, inside there is how to expose the method. @Overridepublic finalmap React-native how the

after the--alias parameter is what you need to use to sign the app in the future, so remember to record the alias. The project location where the generated KeyStore file is placedTo edit the ~/.gradle/gradle.properties, add the following code (note replace it with the corresponding password)Myapp_release_store_file=my-release-key.keystoreMyapp_release_key_alias=my-key-aliasmyapp_release_store_password=*****myapp_release_key_password=*****Note: Once you have published your app in the Play Store

When using Swiper, it is found that under the Android machine, if the scrollable components (such as: Flatlist, Sectionlist,listview,scrollview, etc.) are used, Swiper will not display properly. Click to view original textSolution:Constructor (props) { super (props); This.state = { Listdata:testdata, onrefresh:false, swipershow:false, };} Componentdidmount () { setTimeout (() =>{ this.setstate ({swipershow:true}

To modify the app version number when the version iterationA manual operation 1. AndroidModify android/app/build.gradle the file'sversionNamedefaultConfig { ... versionName "2.0.0" ...}2.IOSOpen with Xcode PROJECT_NAME.xcodeproj , modify PROJECT_NAME/Info.plist theBundle versions string, shortTwo automatically read from the configuration file and write to the appropriate place 1.package.json configuration version{ ... "version": "1.0.1"， .

, but on the real machine to see when the first time the picture playback will be very lag, this is because the picture loading into memory takes time, When we turn the picture when the picture has not been loaded, visually causing the effect of the lag.We initialize the image array to the outside of the screen (absolutely positioned), which is not very good. Render () { return ( 3. Carousel PicturesDefine picture Carousel function _loopSwitch one picture every 100 millisecondsWhen th

The bug looks like this:iOS appears normal, and Android appears to be squeezed up.The final workaround:For example, your picture is a 513, then you set the style width for the width of the screen, height for the width of the screen/(750/513)This preserves the width-to-height ratio of the original. var styles = Stylesheet.create ({ Span style= "COLOR: #008000" >// Here is not the number of pictures, you need to use inline style // Contentcontainer:

When this problem arises, online solutions are identical!I'm going to give you an address first. Solution http://blog.csdn.net/qq_25827845/article/details/52974991But I stepped on the pit is my computer even WiFi and test the real machine is the same address! But when I set the server address on the real machine, my IP address was set toActually my real IP address isSo he kept suggesting that I couldn't find the service!!!!!About react

the popPushback () { const {Navigator} = this. props; if (this. Props.getparams) {this. props.getparams (); } If(navigator) {//out of stack, return to previous page Navigator.pop ();}} 4, about how to use the timerThe reason for this is that the RN is developing too fast, the syntax is changing, and the use of the method is changed, and now it uses the newest ES6 syntax.Componentdidmount () { this.timer=setTimeout ( () ={ this.setstate ({content: ' This is

This article is for children's shoes that already have experience with the RN encapsulation Android native module. If you have any questions, please check the official documentation hereIn the old version of the registration module, if the module has Activity parameters in the constructor , we can add this directly in parentheses ,starting with v0.29.0 , theAndroid Project has added mainapplication.java te

the save is complete, we call Exitapp (), triggering the default behavior and exiting the app.Notation 2: onbackandroid = Async () ={ await saveData (); Backandroid.exitapp (); }Here we use the Async function, and the Async function always returns a promise,promise as an object and is also considered a "truth", so the default behavior is always not called in this case. When the save is complete, we call Exitapp (), triggering the default behavior and exiting the app.Decide what to do ba

Please check the official website for detailed steps, but please note that some precautions!1, install node. js as a priority because you can use NPM to install the software later,2, be careful not to use CNPM!!!!!!!!!3,android Studio Please install the latest version! Note the configuration settings and the system environment variable configuration.4. Recommended installation Genymotion Note: This simulator relies on VirtualBox please download the la