react-native run-android prompts installed in 1 device build successful but error error:closed: 500:android 4.4.4 node: ...
how can I monitor the events of mobile phone sensors? I want to be a pedometer, but I can t find the corresponding method ...
how does react-native integrate the X5 browser kernel and how to X5 video player after successful integration tried a lot of methods and found a lot of demo on the Internet. Many people gave up on this problem . it is hoped that there will be a techn...
after packing, there is this problem, how to solve it? I don t know how to solve it after searching for a lot of it. Please take a look at it for your help. Thank you very much! ...
this weird problem occurs with masks when out of focus. Appears only in iOS ...
installed android stdio, and created AVD, to start, everything went well, but there was no net in Android virtual machine, WiFi showed connected, no internet: all the configurations of the network have not changed. Then I just want to ask: norma...
The question is shown in the picture. Does anyone know why? my code says this: ChatMessage = (item) => { const { navigate } = this.props.navigation; item[ chattype ] = Friends navigate( ChatMessage , item); ...
according to the popular online tutorials: 1. Downgrade to 0.44.3 (no problem with this scheme) 2. Manually download the third-party dependency package boost_1_63_0.tar.gz,double-conversion-1.1.5.tar,folly-2016.09.26.00.tar,glog-0.3.4.tar and put it u...
Why can t the react-native I built run on the simulator? as soon as it runs, it will report a red screen . the environment of the project has been set up, and react-native start can also run normally, that is, running react-native run-android Times ...
I don t know why the page doesn t fill up a lot of white space on the screen import React from react ; import {View, Text, TouchableOpacity, Image, StyleSheet} from react-native ; import {StackActions, NavigationActions} from react-naviga...
for example, to use Amap to edit the AndroidManifest.xml of an Android project (usually in androidappsrcmainAndroidManifest.xml), add the following code: <application> <meta-data android:name="com.amap.api.v2.apikey" andro...
Scanning folders for symlinks in Users MacBook Desktop gz native second node_modules (11ms) Starting JS server. Building and installing the app on the device (cd android & &. gradlew installDebug). Unzipping Users MacBook .gradle wrapper dists ...
react uses for conditional rendering. { this.state.show ? <View > : null } the content is rendered only when the condition is triggered, otherwise it is not rendered and is not controlled by display:none . at a time like this, how do you ...
Navigation is used in the project. Please ask React Native Android and Ios how to use Gaud (Baidu) Map APP to navigate ...
problem description I want the whole StackNavigator to be included in the Provider, so all my controllers should be able to share the store, but I directly find that the controllers in it are not connected the environmental background of the problem...
requirements need a Drawer Navigator, as shown in figure question at present, my routing configuration is wrong. I can only open the sideslip navigation component when routing to Drawer. I want a navigation component that can be opened by sli...
redux rookie, want to write a demo, with react-redux click login to transfer data index.js: const store = createStore(reducer) ReactDOM.render( ( <Provider store = {store}> <Router> <div> ...
how does react-native save network pictures to local albums ...
as shown in the figure, the newly initialized react-native project does nothing. Open it in Android Studio and that s it-sharp-sharp-sharp problem description ...
SwitchNavigator, using react-navigation includes login page and a drawer navigation. After the session expires, use this.props.navigation.navigate ( login ) to jump to the login page to log in again. Login is successful but does not jump. import Reac...
there are two serial services, one written by go and the other written by Python. use regular verification email address, found that the results of the two code verification are not consistent, and now want to unify the verification effect. Regular exp...
download PostgreSQL10.3 and open pg4Admin and then flicker or fail to open the default browser when you report an error. I tried to uninstall and reinstall many times without solving it, but the SQL Shell interface is available. tried to download va...
I created the Excel file in a thread using OutputStream stream = new FileOutputStream (path+fileName); Tomcat issued a warning after the object was created June 11, 2018 3:22:33 afternoon org.apache.catalina.loader.WebappClassLoaderBase clearReferen...
~ Desktop ip Python 3.6.7rc2 (v3.6.7rc2:4893861ab5, Oct 13 2018, 17:34:23) [MSC v.1900 64 bit (AMD64)] Type copyright , credits or license for more information IPython 7.2.0 -- An enhanced Interactive Python. Type ? for help. In [1]: ...
is there any website that describes all the modules in npm? in the official website, there is only the way of searching modules, and there will be usage instructions only when you find them. There is no systematic description of the documentation of comm...