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Is Jitpack needed as repository if I am using mavenCentral()?

So I am working on an old project in which I have the following code in the project build.gradle:
buildscript {
repositories {
google()
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:7.2.1'
classpath 'com.google.gms:google-services:4.3.13'
}
}
allprojects {
repositories {
google()
jcenter()
maven { url "https://jitpack.io" }
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
Android Studio is warning me to use mavenCentral() instead of jcenter() as jcenter is not being updated. So I have change it to the following code:
buildscript {
repositories {
google()
mavenCentral()
}
dependencies {
classpath 'com.android.tools.build:gradle:7.2.1'
classpath 'com.google.gms:google-services:4.3.13'
}
}
allprojects {
repositories {
google()
mavenCentral()
maven { url "https://jitpack.io" }
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
So my question is, if now I am using mavenCentral() instead of jcenter(), do I have to use the " maven { url "https://jitpack.io" }" line of code or I should´t use it? I mean, the correct code
would be the following instead of the previous code? ->
buildscript {
repositories {
google()
mavenCentral()
}
dependencies {
classpath 'com.android.tools.build:gradle:7.2.1'
classpath 'com.google.gms:google-services:4.3.13'
}
}
allprojects {
repositories {
google()
mavenCentral()
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
Or actually I should use the code line of maven jitpack (maven { url "https://jitpack.io" }") although now I am using mavenCentral() instead of jcenter()?

Or actually I should use the code line of maven jitpack (maven { url "https://jitpack.io" }") although now I am using mavenCentral() instead of jcenter()?
The choice of mavenCentral() versus jcenter() has nothing to do with jitpack.io and whether you should be using it as a repository.
You need a repository to obtain artifacts hosted by that repository. So, for example, you need the google() repository for most of Google's artifacts, such as the com.google.gms:google-services that you are using.
Whether you need jitpack.io will depend on whether you have any dependencies that come from that repository. We have no way of telling whether you do or you do not.
A comment on your question suggests removing it and seeing if your build breaks. That will not work immediately, as Gradle caches downloaded artifacts and usually works off of your cached copy. Your build would break in the future if you try updating the version of some dependency and none of the other repositories host that artifact (at least for that version).
The safest thing to do is to go through all your dependencies (everything listed in a dependencies closure in your project-level and module-level build.gradle files) and identify where they come from. Perhaps add comments to your Gradle files to help you keep track. If you find that none of your dependencies seem to come from jitpack.io, you can remove that repository.

ERROR: Could not find com.android.tools.build:gradle:3.5.2

ERROR: Could not find com.android.tools.build:gradle:3.5.2.
Searched in the following locations:
-
https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle/3.5.2/gradle-3.5.2.pom
-
https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle/3.5.2/gradle-3.5.2.jar
- https://jcenter.bintray.com/com/android/tools/build/gradle/3.5.2/gradle-3.5.2.pom
- https://jcenter.bintray.com/com/android/tools/build/gradle/3.5.2/gradle-3.5.2.jar
Required by:
project :
Open File
ext {
var = '3.5.2'
var1 = '3.5.2'
}// 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:3.5.2'
// 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
}
we recived this error from my android studio when run my projects
we used online and offline mod but they not worked corectly
This error has confused me
The following code is related to wrapper
ext {
var = '3.5.2'
var1 = '3.5.2'
}// 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:3.5.2'
// 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
}

This problem basically occurs when you are trying to load an old project. The best solution as of my knowledge is to download the links one by one, the project is showing and sync it. Check out the build Gradle files for any outdated dependencies.
Check out if you have
google()
repo in your project. Make sure you find this line in your dependencies.
dependencies {
classpath 'com.android.tools.build:gradle:3.5.0'
}

I also had this problem on Linux (ubuntu)
I tried different ways but the problem still didn't work out.
Finally, I remove /home/(user)/.gradle directory and restart Android Studio and this error fixed.

Follow these steps:
Copy paste the below code into Project level build.gradle file:
// 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:3.5.2'
}
}
allprojects {
repositories {
google()
jcenter()
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
Clean your project from Build > Clean Project
Rebuild you project from Build > Rebuild Project
Make Project from Build > Make Project
Then, File > Invalidate Caches/Restart

Android : build.gradle problem after add sdk

I've add the SDK to the builder.gradle like this
buildscript {
repositories {
google()
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.3.0'
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
dependencies {
compile 'com.kontaktio:sdk:3.0.2'
}
packagingOptions {
exclude 'main/AndroidManifest.xml'
}
}
allprojects {
repositories {
google()
jcenter()
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
But it return an error
ERROR: Could not find method compile() for arguments [com.kontaktio:sdk:3.0.2] on object of type org.gradle.api.internal.artifacts.dsl.dependencies.DefaultDependencyHandler.
Please help me to fix it.

You need to move the following block from your project build.gradle:
dependencies {
compile 'com.kontaktio:sdk:3.0.2'
}
packagingOptions {
exclude 'main/AndroidManifest.xml'
}
to your module build.gradle (usually app module).
your project build.gradle dependencies block must use classpath instead of compile. Your project build.gradle should be something like this:
buildscript {
repositories {
google()
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.3.0'
}
}
allprojects {
repositories {
google()
jcenter()
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
Please take a look Configure your build for more details.

They change the 'compile' into 'implementation' on latest gradle, so you need to change
dependencies {
compile 'com.kontaktio:sdk:3.0.2'
}
to
dependencies {
implementation 'com.kontaktio:sdk:3.0.2'
}

Cannot add task 'clean' as a task with that name already exists

I have a project that I started in Java on Android Studio and I want to continue it in Kotlin. So I configured my project to integrating Kotlin by this way "Configure Kotlin in Project"
After that Android Studio changed my twice build.gradle files. But from that moment my sync started to fail.
there is my build.gradle file where the error occurs :
before :
buildscript {
repositories {
google()
jcenter()
mavenCentral()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.3.0'
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
classpath 'com.google.gms:google-services:4.2.0'
}
}
allprojects {
repositories {
google()
jcenter()
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
after :
buildscript {
ext.kotlin_version = '1.3.21'
repositories {
google()
jcenter()
mavenCentral()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.3.1'
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
classpath 'com.google.gms:google-services:4.2.0'
}
}
plugins {
id 'org.jetbrains.kotlin.jvm' version '1.3.21'
}
repositories {
mavenCentral()
}
allprojects {
repositories {
google()
jcenter()
}
}
dependencies {
implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8"
}
compileKotlin {
kotlinOptions {
jvmTarget = "1.8"
}
}
compileTestKotlin {
kotlinOptions {
jvmTarget = "1.8"
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
I get the following error :
Cannot add task 'clean' as a task with that name already exists.
When I remove the task clean I get the error :
1

After created a new Kotlin project and took a look about the build.gradle file
I adapted mine and it worked as well !
There is my current build.gradle file
buildscript {
ext.kotlin_version = '1.3.21'
repositories {
google()
jcenter()
mavenCentral()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.3.1'
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
classpath 'com.google.gms:google-services:4.2.0'
}
}
allprojects {
repositories {
google()
jcenter()
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}

Gradle Sync Failed to resolve: exifinterface - myhexaville smart image picker

I got this error when I used this dependency 'com.myhexaville:smart-image-picker:1.0.3'
When i commented this dependency, gradle synced successfully.
Please suggest me a proper solution for this problem.

Add Google's Maven repository to your project's build.gradle file :
allprojects {
repositories {
jcenter()
maven {
url "https://maven.google.com"
}
}
}
If you are using android-studio 3.0 or above use this :
allprojects {
repositories {
jcenter()
google()
}
}