All Questions
Tagged with react-native android
19,356
questions
596
votes
35
answers
580k
views
React Native android build failed. SDK location not found
I have error when i start running android
What went wrong:
A problem occurred evaluating project ':app'.
> SDK location not found. Define location with sdk.dir in the local.properties file or ...
- 5,961
426
votes
56
answers
439k
views
Unable to load script from assets index.android.bundle on windows
I'm trying to run my first React Native project for first time on my device (Android 4.2.2).
And I get:
unable to load script from assets index.android.bundle
Commands that I used:
cd (project ...
- 4,405
365
votes
6
answers
202k
views
What are my options for storing data when using React Native? (iOS and Android) [closed]
I am still new in the React Native world, and generally in the mobile/native world as well, and I am finding the documentation a bit lacking when it comes to data persistence.
What are my options for ...
- 9,144
347
votes
51
answers
333k
views
How do you debug React Native?
How does one debug their React code with React Native while the app is running in app simulator?
- 4,959
328
votes
22
answers
561k
views
How can I generate an apk that can run without server with react-native?
I've built my app, I can run it on my local emulator (and also on my android device within the same network by changing debug server).
However, I want to build an APK that I can send to someone ...
- 7,722
296
votes
14
answers
187k
views
How do I "shake" an Android device within the Android emulator to bring up the dev menu to debug my React Native app
I am working on a cross-platform React Native mobile app. I am writing console.log statements as I develop. I want to see these logging statements in Chrome while I'm running the Android app in the ...
- 6,519
286
votes
31
answers
270k
views
Change package name for Android in React Native
I used react-native init MyApp to initialise a new React Native app.
This created among others an Android project with the package com.myapp.
What's the best way to change this package name, for ...
- 17.2k
219
votes
19
answers
284k
views
Build and Install unsigned apk on device without the development server?
As I am new in react-native so if there is anything wrong in steps let me know.
I have build a react native android app using the command as per documentation
react-native android
while running ...
- 2,471
214
votes
22
answers
436k
views
react-native: command not found
I am getting -bash: react-native: command not found error while creating a react-native project.
Below are the additional info
1. brew --version
homebrew 0.9.9
2 brew info watchman
watchman `...
- 20.5k
212
votes
39
answers
179k
views
error "Could not get BatchedBridge, make sure your bundle is packaged properly" on start of app
Trying to create a react-native project on Android 4.4.2 I get this error screen
and couldn't find any way to resolve it. I tried restarting packager, reconnecting device, even reinstalling react ...
- 7,059
208
votes
26
answers
138k
views
Android failed to load JS bundle
I'm trying to run AwesomeProject on my Nexus5 (android 5.1.1).
I'm able to build the project and install it on the device. But when I run it, I got a red screen saying
Unable to download JS bundle. ...
- 5,065
194
votes
33
answers
434k
views
Generate SHA-1 for Flutter/React-Native/Android-Native app
I'm trying to generate a SHA-1 for a Flutter app, for Android studio to support Google Sign in, but I don't know how to do that, I saw some posts that indicate to run a command, but there I need a jks ...
- 13.2k
193
votes
29
answers
267k
views
Package signatures do not match the previously installed version
This my project: https://github.com/kenpeter/my_hak_news, which is a direct copy of https://github.com/grigio/HAgnostic-News.
Git clone https://github.com/kenpeter/my_hak_news, then run react-native ...
- 7,940
184
votes
24
answers
164k
views
Could not find tools.jar. Please check that /Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home contains a valid JDK installation
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':react-native-linear-gradient:compileDebugJavaWithJavac'.
> Could not find tools.jar. Please check that /...
- 1,843
177
votes
26
answers
661k
views
How to clear react-native cache?
In react-native development, there are multiple caches used when the app is built:
React-native packager cache
Emulator cache
Java side cache (.gradle) folder (only in android)
npm cache (if relevant?...
- 20.2k
174
votes
13
answers
89k
views
React-Native, Android, Genymotion: ADB server didn't ACK
I am working with React-Native, Android, and Genymotion on Mac. When I run react-native run-android I get this lines at the end of the launch operation:
...
04:54:40 E/adb: error: could not install *...
- 7,167
169
votes
32
answers
179k
views
React Native on Android: Cannot run program "node": error=2, No such file or directory
EDIT: I am uncertain which steps I took to resolve this problem, and am no longer seeing this error message so I cannot test the solutions below. Please try them individually as different answers seem ...
- 1,746
166
votes
42
answers
308k
views
Could not connect to React Native development server on Android
When I run react-native run-android, it gives me the following error:
Could not connect to development server
Package server is running and I can access it directly from browser
on my mobile ...
- 2,581
161
votes
18
answers
137k
views
Unable to connect with remote debugger
I'm using React.JS and when I do react-native run-android (with my device plugged in) I see a blank page. When I shake the device and select Debug JS Remotely from the option list I see the following ...
- 6,667
161
votes
14
answers
59k
views
Can I build Android apps with react native?
The recently launched react native features just iOS app example and docs.
- 2,305
160
votes
30
answers
298k
views
React-Native: Module AppRegistry is not a registered callable module
I'm currently trying to get the ES6 react-native-webpack-server running
on an Android emulator. The difference is I've upgraded my package.json and build.grade to use react 0.18.0, and am getting this ...
- 6,307
157
votes
9
answers
164k
views
How to update version number of react native app
I am using React native with Android. How can I update version number in the app? As I am getting this error.
I am generating file as per this url
https://facebook.github.io/react-native/docs/signed-...
- 1,953
151
votes
4
answers
228k
views
Open Url in default web browser
I am new in react-native and i want to open url in default browser like Chrome in Android and iPhone both.
We open url via intent in Android same like functionality i want to achieve.
I have search ...
- 9,205
148
votes
7
answers
116k
views
Cannot add task 'wrapper' as a task with that name already exists
When installing 'react-native init AwesomeProject' I get this error when I run react-native run-android:
Could not determine java version from '11.0.1'.
A quick google suggests I need to update the ...
- 1,511
147
votes
40
answers
106k
views
Resource linking fails on lStar
I'm working on a React Native application. My Android builds began to fail in the CI environment (and locally) without any changes.
Execution failed for task ':app:processDevelopmentDebugResources'.
&...
- 1,343
140
votes
47
answers
292k
views
Error:(23, 17) Failed to resolve: junit:junit:4.12
Why is it that every time I create a new project in Android Studio, it always comes up with:
Error:(23, 17) Failed to resolve: junit:junit:4.12?
When I remove testCompile 'junit:junit:4.12' in ...
- 1,486
139
votes
16
answers
231k
views
Failed to find Build Tools revision 23.0.1
I am trying to build my first app with react-native.
I am following these 2 tutorial:
https://facebook.github.io/react-native/docs/getting-started.html#content
https://facebook.github.io/react-...
- 1,659
129
votes
25
answers
88k
views
React-Native :java.lang.UnsatisfiedLinkError: couldn't find DSO to load: libhermes.so
I have just updated my project to use react-native version 0.60.2 . But when I am trying to run an application on Android device it gets crashed after launch screen. I got the following error logs :
...
- 7,318
124
votes
17
answers
169k
views
React Native Android Fetch failing on connection to local API
I'm using the fetch API in my react-native Android app to make requests to a local API. I usually query said API from react web apps at http://localhost:8163.
I'm testing my app on my physical device ...
- 1,395
123
votes
9
answers
113k
views
How to enable live reload in react native on android?
How can I enable live reload in the android emulator?
The documentation for android wasn't very helpful for a android noob.
- 15.6k
122
votes
36
answers
266k
views
How to get current route name in react-navigation?
I want the name of the current route or screen in react-navigation which I want to use inside if condition to make some changes.
- 1,585
118
votes
10
answers
217k
views
Error: Could not initialize class com.android.sdklib.repository.AndroidSdkHandler
I've setup the environment for react native on Windows. But when I run the command
react-native run-android
I get the following errors -
* What went wrong:
A problem occurred configuring project ':...
- 1,181
116
votes
23
answers
363k
views
React Native: JAVA_HOME is not set and no 'java' command could be found in your PATH
I've followed step by step the official Getting Started. I started from a clean linux install and installed everything required as per the "Building Projects with Native Code" tab. I have also read ...
- 27.9k
111
votes
14
answers
215k
views
error: package com.android.annotations does not exist
I have the following class
import com.android.annotations.NonNullByDefault;
@NonNullByDefault
public final class Log {
...
}
and here is my build.gradle file (some parts omitted)
apply plugin: ...
- 2,097
108
votes
12
answers
131k
views
How to get a versionName in react-native app on Android?
I've made a timestamped versionName in build.gradle like 20150707.1125. I want to show the version of the package in react-native app in about window. How I could get versionName in code?
- 1,083
107
votes
16
answers
159k
views
React Native iOS and Android folders not present
I'm new to react native, and I've been having some trouble understanding the folder structure of the app which should supposedly be present in the project folder on creation. Basically, when creating ...
- 1,235
104
votes
37
answers
336k
views
react-native :app:installDebug FAILED
Install APK debug to my device failed.
jianglinghuadeMacBook-Pro:hello jianglinghua$ react-native run-android
JS server already running.
Building and installing the app on the device (cd android &...
- 1,041
101
votes
16
answers
175k
views
React Native adb reverse ENOENT
I am trying to get React-Native to work with Android V4.2.2 (Genymotion) but I am unable to test the app on the Emulator. When I ran react-native run-android, I get this error Could not run adb ...
- 3,164
94
votes
30
answers
68k
views
Error type 3. Activity class {com.awesome_project/ com.awesome_project.MainActivity} does not exist in react native (Android device)
I've created the project using the following command.
react-native init Awesome_Project
I've started the packager using the following command.
react-native start
I've connected my Android mobile ...
- 1,339
91
votes
9
answers
66k
views
How to disable landscape mode in React Native Android dev mode?
I am new to android environment. I know iOS can be done in Xcode to disable device orientation. How can I disable landscape mode or any orientation mode in React Native Android?
Thanks.
- 1,165
91
votes
11
answers
45k
views
React Native on Android failed to find Build Tools
What causes following problem? Is my Android SDK Version not supported?
Starting JS server...
Building and installing the app on ...
- 6,000
91
votes
6
answers
50k
views
Does React Native compile JavaScript into Java for Android?
When I develop hybrid apps with React Native. Does the JavaScript code I write transform into Java-Code or Java-Bytecode for the Dalvik/ART Runtime when I create an Android-App from my React Native ...
- 3,753
90
votes
11
answers
131k
views
How to find height of status bar in Android through React Native?
How can I find the height of the status bar on Android through React Native?
If I check the React.Dimensions height the value seems to include the status bar height too but I'm trying to find the ...
- 2,424
86
votes
24
answers
137k
views
How to use SafeAreaView for Android notch devices?
I'm developing an app with React Native and I'm testing with my OnePlus 6 and it has a notch. The SafeAreaView is a solution for the iPhone X but for Android, it seems there is no solution.
How to ...
- 863
86
votes
4
answers
40k
views
Save sensitive data in React Native
I am building a React Native application and I need to save some sensitive data like a token and a refresh token. The obvious solution is to save that information using AsyncStorage. The problem is ...
- 10.1k
86
votes
10
answers
150k
views
How to change styling of TextInput placeholder in React Native?
Is there a way to set fontStyle: 'italic' only for the placeholder of the TextInput in React Native?
looking here at the documentation seems like you can only set a placeholder and ...
- 2,424
83
votes
29
answers
170k
views
"Reanimated 2 failed to create a worklet, maybe you forgot to add Reanimated's babel plugin?"
How can I solve this error?
Reanimated 2 failed to create a worklet, maybe you forgot to add Reanimated's babel plugin?
This is my babel.config.js file :
module.exports = {
presets: ['module:metro-...
- 988
79
votes
7
answers
106k
views
Build Gradle Error Could not get unknown property 'compile'
i have react native porject when run android this error showed
Build file 'C:\dev\icnet_final\android\app\build.gradle' line: 213
A problem occurred evaluating project ':app'.
Could not get unknown ...
- 1,244
78
votes
38
answers
223k
views
react-native run-android is unrecognized
I've installed react-native-cli globally:
npm install -g react-native-cli
Then run:
react-native init AwesomeProject
cd AwesomeProject
I got the following structure:
-- ...
- 7,541
76
votes
6
answers
54k
views
How to change display name of an app in react-native
Apple have clear instructions on how to change the display name of an IOS app, but they are not useful for a react-native app because the folder structure is different. How do you change the display ...
- 16.1k