Cannot find symbol R when Updating to Android 3.1.3

Question

Yesterday i updated Android to Android 3.1.3, everything was kinda good until, today when i created a new Empty Activity and on "AppCompatActivity" showed me the error "cannot find the symbol", so then I searched and I read it had something to do with the "build.gradle", so I've been updating the libraries and got different errors, the latest one is that object "R" cannot resolve symbol. So here what I've got.

I've had many attempts to solve it (as you can see the comments in the code) but so far i haven't solve it. Please Help me!

Also in one section Android suggested me to change in the gradle.properties # org.gradle.parallel=true from false, and it didn't work either.

build.gradle

buildscript {
    repositories {
        jcenter()
        google()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:2.1.3'
        //classpath 'com.android.tools.build:gradle:2.1.3'
        //classpath 'com.android.tools.build:gradle:3.2.0-alpha17'
        //classpath 'com.android.tools.build:gradle:3.1.3'
        //classpath 'com.google.gms:google-services:3.2.0'
        //classpath 'com.android.tools.build:gradle:3.1.3'
        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}
allprojects {
    repositories {
        jcenter()
        maven {
            url 'https://maven.google.com/'
            //name 'Google'
        }
    }
}

dependecies

android {
    compileSdkVersion 23
    buildToolsVersion '24.0.2'

    defaultConfig {
        applicationId "com.example.dell.getspeed"
        minSdkVersion 14
        targetSdkVersion 23
        versionCode 1
        versionName "1.0"
    }

dependencies {

    compile fileTree(include: ['*.jar'], dir: 'libs')
    testCompile 'junit:junit:4.12'
    //compile 'com.google.android.gms:play-services:8.3.0'
    compile 'com.android.support:appcompat-v7:23.4.0'
    compile 'com.android.support:design:23.4.0'
    compile 'com.android.support:support-v4:23.4.0'
    compile 'org.jbundle.util.osgi.wrapped:org.jbundle.util.osgi.wrapped.org.apache.http.client:4.1.2'
    compile 'net.gotev:uploadservice:2.1'
    compile 'com.mcxiaoke.volley:library-aar:1.0.1'
    compile 'com.google.android.gms:play-services-maps:9.8.0'
    compile 'com.android.support:cardview-v7:23.4.0'
    compile 'com.android.support:recyclerview-v7:23.4.0'

    /*implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'com.android.support:appcompat-v7:27.1.0'
    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.1'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'


    /*implementation 'com.android.support.constraint:constraint-layout:1.1.2'
    //implementation 'com.android.support:appcompat-v7:27.1.0'
    //implementation 'com.android.support:design:26.4.0'
    compile fileTree(dir: 'libs', include: ['*.jar'])
    testCompile 'junit:junit:4.12'
    compile 'com.android.support:appcompat-v7:25.4.0'
    compile 'com.github.anastr:speedviewlib:1.2.0'
    compile 'com.android.support:design:25.4.0'
    androidTestImplementation 'com.android.support.test:runner:1.0.1'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
    //compile 'com.android.support.constraint:constraint-layout:1.1.2'*/
}

gralde-wrapper.propierties

distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip
#distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
#distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip

LOGS: Logs

Go to File > invalidate and restart and click on Invalidate and Restart — PriyankVadariya, Jul 12 '18 at 09:18

score 0 · Answer 1 · answered Jul 12 '18 at 07:16

distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip

classpath 'com.android.tools.build:gradle:3.1.3'

compileSdkVersion 27
minSdkVersion 16
targetSdkVersion 27

implementation 'com.android.support:appcompat-v7:23.4.0'
implementation 'com.android.support:design:23.4.0'
implementation 'com.android.support:support-v4:23.4.0'
implementation 'com.android.support:recyclerview-v7:23.4.0'

File - Invalidate Caches/Restart - Invalidate and Restart

When adding this, the error still persists. and throw the logs updated on the post — Dano, Jul 13 '18 at 05:53

Nishan Iddamalgoda · Answer 2 · 2018-07-12T09:58:40.133

0

Close the current project and again reopen it and rebuild solution. Most of the time by rebuilding the solution, "R cannot resolve" problem can be solved.

edited Jul 12 '18 at 09:58

answered Jul 12 '18 at 08:54

Nishan Iddamalgoda

101
3

Cannot find symbol R when Updating to Android 3.1.3

2 Answers2