We Keep Coding

React Native Splash Screen Issue - after modifying xml files in android folder

I would like to create a splash screen in my React Native app (not Expo) using Android Studio's emulator.
I was trying to add a splash_screen.xml file into android/app/src/main/res/drawable folder. When I put a new .xml file into the android folder the React compiler shows the following error message:
iMac:newtest Dora$ react-native run-android
JS server already running.
Building and installing the app on the device (cd android && ./gradlew installDebug)...
Configure project :app
WARNING: The specified Android SDK Build Tools version (28.0.2) is ignored, as it is below the minimum supported version (28.0.3) for Android Gradle Plugin 3.2.1.
Android SDK Build Tools 28.0.3 will be used.
To suppress this warning, remove "buildToolsVersion '28.0.2'" from your build.gradle file, as each version of the Android Gradle Plugin now has a default version of the build tools.
Task :app:mergeDebugResources FAILED
FAILURE: Build failed with an exception.
What went wrong:
Execution failed for task ':app:mergeDebugResources'.
com.android.build.gradle.tasks.ResourceException (no error message)
Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
Get more help at https://help.gradle.org
BUILD FAILED in 2s
9 actionable tasks: 1 executed, 8 up-to-date
Could not install the app on the device, read the error above for details.
Make sure you have an Android emulator running or a device connected and have
set up your Android development environment:
https://facebook.github.io/react-native/docs/getting-started.html
Command failed: ./gradlew installDebug
Error: Command failed: ./gradlew installDebug
at checkExecSyncError (child_process.js:637:11)
at Object.execFileSync (child_process.js:655:13)
at runOnAllDevices (/Users/Dora/Documents/code/react native/newtest/node_modules/react-native/local-cli/runAndroid/runAndroid.js:299:19)
at buildAndRun (/Users/Dora/Documents/code/react native/newtest/node_modules/react-native/local-cli/runAndroid/runAndroid.js:135:12)
at isPackagerRunning.then.result (/Users/Dora/Documents/code/react native/newtest/node_modules/react-native/local-cli/runAndroid/runAndroid.js:65:12)
at processTicksAndRejections (internal/process/next_tick.js:81:5)
Thank you for taking your time to help me to solve this issue!
Cheers,
Alex

Well, finally I have managed to solve this issue. It is for those who will encounter this problem during Android development.
So, what i did exactly:
1. cd into android folder and run this: ./gradlew installDebug
After this command finished without any errors
go back to the root directory and start the app using: react-native run-android
Conclusion, if you add or change any xml files in android folder, you have to do the above procedure.
That's all!
Alex

React-Native build release apk Failed to execute aapt

App works in debug mode just fine by running react-native run-android
But, when I try to build in relase mode by running cd android && ./gradlew assembleRelease
it gives me this error:
android\app\build\intermediates\res\merged\release\drawable-hdpi\node_modules_reactnavigation_src_views_assets_backicon.png: error: uncompiled PNG file passed as argument. Must be compiled first into .flat file..
error: failed parsing overlays.
Failed to execute aapt
com.android.ide.common.process.ProcessException: Failed to execute aapt
I tried workarounds like putting android.enableAapt2=false and org.gradle.configureondemand=true in android/gradle.properties
They both helped me create signed apk but app was crashing on start,
I tried to debug that crash by adb logcat and error is:
FATAL EXCEPTION: Thread-139
java.lang.RuntimeException: Unable to load script from assets 'index.android.bundle'. Make sure your bundle is packaged correctly or you're running a packager server.
Please help me out, I cant seem to figure out how to solve this.

if anyone wonders, we ended up downgrading gradle to
classpath 'com.android.tools.build:gradle:2.2.3'
and it worked.

Jenkins Android Build Error: FAILURE: Build failed with an exception

I have been trying to do CI using Jenkins for my Android application. I am new to this. After following some of the tutorials, I am able to atleast set up and run the build now option. It download every pom required but while building it give below error.
============================================
C:\Windows\System32\config\systemprofile.gradle\caches\transforms-1\files-1.1\appcompat-v7-27.1.1.aar\e796469c387c11565d873216f24c3b6f\res\drawable\abc_ic_go_search_api_material.xml: error: file not found.
C:\Windows\System32\config\systemprofile.gradle\caches\transforms-1\files-1.1\play-services-base-15.0.1.aar\7207fbd3bdb6cb696445cfc77c16e5ed\res\drawable-hdpi-v4\googleg_standard_color_18.png: error: file not found.
C:\Windows\System32\config\systemprofile.gradle\caches\transforms-1\files-1.1\appcompat-v7-27.1.1.aar\e796469c387c11565d873216f24c3b6f\res\layout\select_dialog_singlechoice_material.xml: error: file not found.
Error: java.util.concurrent.ExecutionException: com.android.builder.internal.aapt.v2.Aapt2Exception: AAPT2 error: check logs for details
:app:mergeDebugResources FAILED
FAILURE: Build failed with an exception.
What went wrong:
Execution failed for task ':app:mergeDebugResources'.
Error: java.util.concurrent.ExecutionException: com.android.builder.internal.aapt.v2.Aapt2Exception: AAPT2 error: check logs for details
Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
======================================================
Can you please let me know how to resolve it?
Do let me know if anything else is required.

Maybe the path is too long. Try this:
Jenkins --> Project --> Project Configuration --> Build
Select advanced option
Check the option box "Force GRADLE_USER_HOME to use workspace"
Build your project
I solved my problem by this way, good luck!

Try updating your android gradle plugin version to 3.2.0-alpha12 or newer. AAPT2's version included in these versions contains many fixes for path support on Windows which resulted in similar errors.

you can solve this by separating into smaller group of task
make separate invoke gradle script under build tab
clean build assembleDebug
test
connectedAndroidTest
i had similar issues, when i ran assembleDebug and test together in Jenkins as a single task

When using Jenkins with Window to build Android, I face this problem myself.
I fix by add GRADLE_USER_HOME to Environment Variable:
GRADLE_USER_HOME = C:\Users\*MyUserName*\.gradle
hope this help,

Error: Could not find or load main class org.red5.server.Bootstrap

I am trying to install https://github.com/ant-media/Ant-Media-Server (or https://github.com/Red5/red5-server):
The instructions here tells, just download and run ./red5.sh but I guess something more is required.
ishandutta2007#MacBook-Pro:~/Documents/Projects/red5-server/src/main/server$ bash red5.sh
Running on Darwin
Starting Red5
Error: Could not find or load main class org.red5.server.Bootstrap

Playscape Publishing Kit failing with Error unknown during apply patch process

Running Unity 4.5.4f1 and Playscape SDK version 1.14, building for android target, I am getting an Error unknown during the apply patch process in Unity. When running the executed command in CMD, I get the following error:
Error: Could not find or load main class com.googlecode.dex2jar.tools.Dex2jarCmd
The command input I provide (taken from the SDK logger) is the following:
"C:\Program Files (x86)\Java\jdk1.8.0_51/bin/java.exe" -clas
spath Assets/Plugins/Playscape/Editor/ThirdParty/dex2jar\lib/asm-all-3.3.1.jar;A
ssets/Plugins/Playscape/Editor/ThirdParty/dex2jar\lib/commons-lite-1.15.jar;Asse
ts/Plugins/Playscape/Editor/ThirdParty/dex2jar\lib/dex-ir-1.12.jar;Assets/Plugin
s/Playscape/Editor/ThirdParty/dex2jar\lib/dex-reader-1.15.jar;Assets/Plugins/Pla
yscape/Editor/ThirdParty/dex2jar\lib/dex-tools-0.0.9.15.jar;Assets/Plugins/Plays
cape/Editor/ThirdParty/dex2jar\lib/dex-translator-0.0.9.15.jar;Assets/Plugins/Pl
ayscape/Editor/ThirdParty/dex2jar\lib/dx.jar;Assets/Plugins/Playscape/Editor/Thi
rdParty/dex2jar\lib/jar-rename-1.6.jar;Assets/Plugins/Playscape/Editor/ThirdPart
y/dex2jar\lib/asmin-p2.5.jar -Xms1024m -Xms1024m com.googlecode.dex2jar.tools.De
x2jarCmd -f -o "C:\Users\THREEG~1\AppData\Local\Temp\vbqpzsn0.9r6.jar" "C:\Users
\THREEG~1\AppData\Local\Temp\jhcbrbrz.ocm./classes.dex"
I have checked the folder structure inside the project and dex2jar seems to be present. We did not see this issue before updating.
How can I resolve this?

I found it myself. This is most likely due to a spelling error in AndroidApkCreator.cs, row 39, where "lib/asmin-p2.5.jar" instead should read "lib/jasmin-p2.5.jar", judging by the file name inside the lib folder. This does not seem to completely remove the issue, however, as the CMD prompt still throws the following Error:
Could not find or load main class com.googlecode.dex2jar.tools.Dex2JarCmd