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I was learning Build Your First Android App (see below link) and using Android Studio 4.1 but at step 5: Enable SafeArgs I get following errors

Link
https://developer.android.com/codelabs/build-your-first-android-app#8
Code:-
Build.gradle(:app) :-
plugins {
apply plugin: 'com.android.application'
apply plugin: 'androidx.navigation.safeargs'
}
android {
compileSdkVersion 30
buildToolsVersion "30.0.3"
defaultConfig {
applicationId "com.example.layouteditor"
minSdkVersion 16
targetSdkVersion 30
versionCode 1
versionName "1.0"
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
}
dependencies {
implementation 'androidx.appcompat:appcompat:1.2.0'
implementation 'com.google.android.material:material:1.3.0'
implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
implementation 'androidx.legacy:legacy-support-v4:1.0.0'
implementation 'androidx.navigation:navigation-fragment:2.3.5'
implementation 'androidx.navigation:navigation-ui:2.3.5'
testImplementation 'junit:junit:4.13.2'
androidTestImplementation 'androidx.test.ext:junit:1.1.2'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
}
build.gradle(LayoutEditor):-
// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
repositories {
google()
jcenter()
}
dependencies {
classpath "com.android.tools.build:gradle:4.1.3"
def nav_version = "2.3.0-alpha04"
classpath "androidx.navigation:navigation-safe-args-gradle-plugin:$nav_version"
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}
allprojects {
repositories {
google()
jcenter()
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
And I get this error:-
A problem occurred configuring root project 'LayoutEditor'.
Could not resolve all artifacts for configuration ':classpath'.
Could not find com.android.tools.build:gradle:4.1.3.
Searched in the following locations:
- https://jcenter.bintray.com/com/android/tools/build/gradle/4.1.3/gradle-4.1.3.pom
If the artifact you are trying to retrieve can be found in the repository but without metadata in 'Maven POM' format, you need to adjust the 'metadataSources { ... }' of the repository declaration.
Required by:
project :
Could not find androidx.navigation:navigation-safe-args-gradle-plugin:2.3.0-alpha04.
Searched in the following locations:
- https://jcenter.bintray.com/androidx/navigation/navigation-safe-args-gradle-plugin/2.3.0-alpha04/navigation-safe-args-gradle-plugin-2.3.0-alpha04.pom
If the artifact you are trying to retrieve can be found in the repository but without metadata in 'Maven POM' format, you need to adjust the 'metadataSources { ... }' of the repository declaration.
Required by:
project :
Possible solution:
Declare repository providing the artifact, see the documentation at https://docs.gradle.org/current/userguide/declaring_repositories.html
I have gone through solutions of similar question asked by other on stackoverflow.
I have put right code in right gradle file.
I tried code from Android developers >> Jetpack >> Libraries (click below link)
https://developer.android.com/jetpack/androidx/releases/navigation#safe_args but getting more errors
and I have also gone through above Android Studio's suggested possible solution but didn't understand it. Please help if anyone have faced same problem and have solution.

The reason of this is may using a different version of plugin.
Try to use following lines in your build.gradle(LayoutEditor):
classpath "androidx.navigation:navigation-safe-args-gradle-plugin:2.3.2"
Instead of
def nav_version = "2.3.0-alpha04"
classpath "androidx.navigation:navigation-safe-args-gradle-plugin:$nav_version"
Use line following lines for apply plugin
'androidx.navigation.safeargs.java'
If you use kotlin then
'androidx.navigation.safeargs.kotlin'
This may solve your problem.

Replace 2.3.0-alpha04 with 2.3.0 or newer version and rebuilt your project. It should work.

Android Studio - Error Module not specified

i'm a newbie to Android/Java development and purchased a book Java Programming for Android Developers For Dummies, 2nd Edition.
This comes with a code samples section http://users.drew.edu/bburd/Java4Android/ (chapter 02_01) I understand the book is a few years old hence so the code samples will be. However, i'm having massive problems getting the code samples to run on Android Studio 4.1.2.
I can import the project and sync the Gradle files. When I do it appears with a green tick at the bottom. Oddly it says failed next to that with the following message.
Gradle sync failed: Unsupported method: SyncIssue.getMultiLineMessage().
The version of Gradle you connect to does not support that method.
To resolve the problem you can change/upgrade the target version of Gradle you connect to.
Alternatively, you can ignore this exception and read other information from the model.
Consult IDE log for more details (Help | Show Log) (1 s 443 ms)
My build.gradle file is as follows
buildscript {
repositories {
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:2.2.2'
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}
allprojects {
repositories {
jcenter()
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
Also if I try and run the project I see this screen
I've read many posts with similar issues and worked through various fixes. None seemed to work so can anyone shed any light on what's happening please? I've also downloaded android studio on 3 different PC's incase its a bug of some sort.
Thank you

I should say the files in there are very outdated, and you will have very hard time, with every project. But if you still want to build the project here are a few things you can do.
look for the file gradle-wrapper.properties and update it with this
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip
Then move to project level build.gradle file (there are two one inside app directory and one on the root directory, use the root directory)
buildscript {
repositories {
jcenter()
google()
}
dependencies {
classpath 'com.android.tools.build:gradle:4.1.2'
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}
allprojects {
repositories {
jcenter()
google()
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
Then move to app level build.gradle and update it with this
apply plugin: 'com.android.application'
android {
compileSdkVersion 30
defaultConfig {
applicationId "com.allyourcode.a02_01"
minSdkVersion 15
targetSdkVersion 30
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
androidTestImplementation('com.android.support.test.espresso:espresso-core:3.0.2', {
exclude group: 'com.android.support', module: 'support-annotations'
})
implementation 'com.android.support:appcompat-v7:28.0.0'
implementation 'com.android.support.constraint:constraint-layout:2.0.4'
testImplementation 'junit:junit:4.13.1'
}
And then sync the project and let Android studio do its magic.

As the stack traces say, you should upgrade your Gradle version. You are using an "old" book where the samples have been build with an old version of Android Studio that supports well that old version of Gradle. But 4.1 is a recent version and does not support well many old Gradle features.

Ksoap2 Library to android studio Error message, how to fix?

I an trying to import Ksoap2 library in android studio using .jar file version 3.6.4. I have successfully implemented the jar file to android studio. However, on the module app activity when I try to import e.g. import "org.ksoap2.SoapEnvelope;", it gets and error it shows following results:
Execution failed for task ':app:checkDebugAarMetadata'.
Could not resolve all files for configuration ':app:debugRuntimeClasspath'.
Could not find com.google.code.ksoap2-android:ksoap2-android:3.6.4.
Searched in the following locations:
- https://repo.maven.apache.org/maven2/com/google/code/ksoap2-android/ksoap2-android/3.6.4/ksoap2-android-3.6.4.pom
- https://dl.google.com/dl/android/maven2/com/google/code/ksoap2-android/ksoap2-android/3.6.4/ksoap2-android-3.6.4.pom
- https://jcenter.bintray.com/com/google/code/ksoap2-android/ksoap2-android/3.6.4/ksoap2-android-3.6.4.pom
Required by:
project :app
Possible solution:
Declare repository providing the artifact, see the documentation at https://docs.gradle.org/current/userguide/declaring_repositories.html
Also the imports library have error, please see the pic:
Here is the Build.gradle module code:
buildscript {
repositories {
google()
jcenter()
}
dependencies {
classpath "com.android.tools.build:gradle:4.1.1"
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}
allprojects {
repositories {
mavenCentral()
google()
jcenter()
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
Here is Build.gradle(app) Module code:
plugins {
id 'com.android.application'
}
android {
compileSdkVersion 30
buildToolsVersion "30.0.3"
defaultConfig {
applicationId "com.kowloondairycompanykdl.milk_ic"
minSdkVersion 27
targetSdkVersion 30
versionCode 1
versionName "1.0"
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
}
dependencies {
implementation 'androidx.appcompat:appcompat:1.2.0'
implementation 'com.google.android.material:material:1.2.1'
implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
implementation files('libs\\ksoap2-android-assembly-3.6.4.jar')
testImplementation 'junit:junit:4.+'
androidTestImplementation 'androidx.test.ext:junit:1.1.2'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
compile fileTree(dir: 'libs', include: ['*.jar'])
compile 'com.google.code.ksoap2-android:ksoap2-android:3.6.4'
}
Please help me, I been stuck here for a long time. How to fix the error and how can I implement the Ksoap2 library properly. Thanks

There doesn't seem to be a 3.4.3 version of that library. There's a 3.4.0. And the newest is 3.6.4. You're going to need to use one of those. I'd move to 3.6.4 as 3.4.0 is over 5 years old, and likely lacks security updates.

Remove the dependencyResolutionManagement block from the setting.gradle file to have your project work the old way.
Related issue: Build was configured to prefer settings repositories over project repositories but repository 'maven' was added by build file 'build.gradle'

API 'variant.getMergeResources()' is obsolete and has been replaced with 'variant.getMergeResourcesProvider()'

I'm experiencing very annoying warning in my projects:
WARNING: API 'variant.getMergeResources()' is obsolete and has been replaced with 'variant.getMergeResourcesProvider()'.
It will be removed at the end of 2019.
For more information, see https://d.android.com/r/tools/task-configuration-avoidance.
REASON: It is currently called from the following trace:
...
WARNING: Debugging obsolete API calls can take time during configuration. It's recommended to not keep it on at all times.
Affected Modules: app
As this warning will become an error next year I'd like to fix it once and for all.
I've updated gradle plugin, google play services plugin and all the dependencies, but issue is still there.
Here's the project-level build.gradle file:
buildscript {
repositories {
google()
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.4.1'
classpath 'com.google.gms:google-services:4.3.0'
}
}
allprojects {
repositories {
google()
jcenter()
maven { url "https://jitpack.io" }
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
And here's the module app build.gradle file:
apply plugin: 'com.android.application'
android {
compileSdkVersion 28
buildToolsVersion "28.0.3"
defaultConfig {
applicationId "com.foo.bar"
minSdkVersion 16
targetSdkVersion 28
versionCode 9
versionName "1.08"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
lintOptions {
checkReleaseBuilds false
//If you want to continue even if errors found use following line
abortOnError false
}
}
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
...
}
apply plugin: 'com.google.gms.google-services'
As you can see, I'm not using getMergeResources() directly, so it must be one of the dependencies. I've commented out the dependencies one by one and finally had an empty dependencies list. However, warning was still thrown. Then I figured out that commenting out apply plugin: 'com.google.gms.google-services' fixes the issue. But I use the latest google services plugin and I obviously cannot use anything firebase related without it.
How can I fix this? I don't like downgrading gradle plugin as it's only a temporary fix.

Two versions of the Google Services Gradle Plugin (4.3.0 & 4.3.1) are causing this, upgrading the version to 4.3.2 seems to solve the issue;
In your project-level build.gradle file, under buildscript -> dependencies, check whether you have this line
classpath 'com.google.gms:google-services:4.3.x'
if so, change it to
classpath 'com.google.gms:google-services:4.3.3'
Edit: Click here to check the newest version. (4.3.3) at time of Edit.

Is a known issue, will be fixed on the next release:
https://github.com/google/play-services-plugins/issues/65
https://github.com/google/play-services-plugins/pull/62

Please change your classpath dependency in project level Gradle:
buildscript {
dependencies {
classpath 'com.android.tools.build:gradle:3.1.4'
}
}
I am using it. It is working fine. This is a stable version. Hope this issue will be fixed in the future version of this dependency.

Android 3.3.0 update, ERROR: Cause: invalid type code: 68

After the new update of Android Studio (3.3.0) I'm getting error from Gradle sync saying "ERROR: Cause: invalid type code: 68". Even in project, that have been created before the update and hasn't changed at all.
I've tried to reinstall Android Studio, which hasn't helped either, so there has to be something incompatible with my project, but it doesn't say what and why.
App gradle:
apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply plugin: 'kotlin-android-extensions'
android {
compileSdkVersion 28
defaultConfig {
applicationId "cz.cubeit.cubeit"
minSdkVersion 21
targetSdkVersion 28
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation"org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
implementation 'com.android.support:appcompat-v7:28.0.0'
implementation 'com.android.support:cardview-v7:28.0.0'
implementation 'com.android.support.constraint:constraint-layout:1.1.3'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'com.android.support.test:runner:1.0.2'
androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
implementation 'com.android.support:support-v4:28.0.0'
implementation 'com.android.support:design:28.0.0'
}
Project gradle:
// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
ext.kotlin_version = '1.3.11'
ext.anko_version='0.10.7'
repositories {
google()
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.3.0'
classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}
allprojects {
repositories {
google()
jcenter()
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}

I had the same problem. I was working on a project on two PCs: one at my office and one at home. In my office, after the AS 3.3 update, everything was fine but at home, after the same steps that I did at the office, the Error code 68 came out.
After a couple of hours, I figured out how to solve it.
Android Studio 3.3 has the " Only sync the active variant" option enabled by default in Settings>Experimental. Disabling this feature resolved the problem. But reactivating the feature the same error shows up, even after a successful Gradle sync. So I think this isn't a complete solution, but at least now I can work.

I had the same issu with IntelliJ 2019.1, Untick this option works for me.

Alter path JDK location to .....\Android Studio\jre

I got a similar message ("invalid type code: E5") and resolved it by first building from the command line, which revealed it was a Firebase libs version conflict, and then switching to use firebase-bom instead of manually specifying each version.

I had the same error (6C) during a LinkedIn Learning course, I managed to solve it through the following steps
Updating Kotlin in project-level build.gradle file
Update gradle build version in project-level build.gradle file.
Open Project Structure and using the Suggestions tab, update all modules to the latest version.
Update the compileSdkVersion & targetSdkVersion to latest.