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Could not compile Build file

The android project file got deleted mistakenly after I have successfully recovered from Drill Disk and tried to run the project I got an error
Build file 'E:\AndroidStudioProjects\side\app\build.gradle' line: 25
Could not compile build file 'E:\AndroidStudioProjects\side\app\build.gradle'.
> startup failed:
build file 'E:\AndroidStudioProjects\side\app\build.gradle': 25: unexpected char: 0x0 # line 25,
column 2.
}
^
I have tried pasting it from the project the Build.Gradle file from Github still I get the error:
// 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'
classpath 'com.google.gms:google-services:4.3.5'
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}
allprojects {
repositories {
google()
center()
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
I don't want to pull or create a new instance because I have made the changes in the old file, so if I do it again it will take a lot of time again.
So any expert please help me with what I should do, I have referred to the older post here at Stackoverflow related to this topic But I was unable to get the solution?

Android Studio project structure VS build.gradle

I'm trying to add a maven repository to my project by adding it to build.gradle
repositories {
maven {
url "https://XXX/"
}
}
It works fine when I build in the console. When I try to build it with Android Studio, the dependency that I use in that repository is not found.
When I add the repository to File > project structure > project > Default library Repository bam! it works.
What am I doing wrong? why do I have to duplicate the information? What is exactly the purpose of that configuration since it's already in build.gradle file?
Thank you

Aghilas, i am not sure if it is issue with https or http.
I am putting down what works for me. you can add 'maven()' in the block depending on that repo is required for buildscript functionality or for your app.
buildscript {
repositories {
google()
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.3.2'
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}
allprojects {
repositories {
google()
jcenter()
}
}

Adding your API_KEY to an Android project downloaded from GitHub in the Gradle properties file

I am trying to add my API_KEY to a project downloaded from GitHub. In the ReadMe of the project, it is asking for me to update the gradle.properties file, but I do not see any such file in the project. I do see local.properties (which is where I presume I need to make the changes) and gradle-wrapper.properties file. I have tried adding the API_KEY designation to each but neither seems to work. I simply can get passed configure build step in Android Studio. Does anyone know what I am doing wrong?
The reason I presume that I update the local.properties is that it is not included in the build and therefore not exposing the API_KEY to anyone else. Is this correct?
The log link takes me to the app/build.gradle file but i presume the buildConfigField should link to the actual API_KEY in some file but I am not sure where that exists? Thanks in advance.
// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
ext.kotlin_version = '1.2.70'
repositories {
google()
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.2.0'
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
}

gradle.properties is not the same as local.properties. Create a file named gradle.properties in you Project root folder (outermost folder) and add the api key
API_KEY = "YOUR_API_KEY"

Error:Could not find com.android.tools.build:gradle:2.1.0-alpha1

I update my android studio and restart it, it works properly but when i try to imoprt my previous project it shows error somthing like that:
here is the snapshot of error...
Error during import the project
and here is my gradle file...
// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
repositories {
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:2.1.0-alpha1'
// 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
}

Try with other distribution of gradle.
Open gradle-wrapper.propertieswhich It's inside gradle/wrapper folder and in distributionUrl set another one which work, for example:
distributionUrl=https\://services.gradle.org/distributions/gradle-2.8-all.zip
EDIT
Try with this classpath in global build.gradle
dependencies {
classpath 'com.android.tools.build:gradle:1.5.0'
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}

I had the same problem upgrading my Android Studio to 2.2.0. I changed the classpath property of my build.gradle file but the difference with the answers above is that I didn't put the version of the Gradle but the Android Studio's one and it worked. Note that you also need to verify the Ggradle home path in file>>settings>>build,execution,deployment>>gradle
buildscript {
repositories {
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:2.2.0'
// 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

I had this problem today, and when I updated the Android Plugin Version to the recent one, it worked. So, I think when you meet this problem, you can update the Gradle and Android Plugin Version to the newest. It always works. This is my configuration:

Set gradle temporary directory to SSD

I am using android studio with gradle. When I build the app, I notice the spinning harddisk is working a lot, so I looked and saw that gradle is writing temporary files to the directory defined (in Windows (8.1)) the variable TEMP or TMP under my user.
Is there some way I can change the directory gradle uses as temporary directory without changing it for all other applications as well?
I would like to move the gradle temp dir to an SSD. (Bonus question: do you think this would significantly speed up gradle, that is currently very slow)

Try to set environment variable GRADLE_OPTS to -Djava.io.tmpdir=D:\some\dir\on\sdd, and GRADLE_USER_HOME to D:\other\dir\on\ssd. Also make sure that the project directory is on SSD.

In yourbuild.gradle
allprojects {
buildDir = "c:/tmp/${rootProject.name}/${project.name}"
}
Here is the full example code:
// Top-level build file where you can add configuration options common to all sub-projects/modules.
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 {
buildDir = "c:/tmp/${rootProject.name}/${project.name}"
repositories {
}
repositories {
jcenter()
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}