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Unable to resolve dependency for ':app@debug/compileClasspath': Could not resolve com.android.support:appcompat-v7:26.1.0

Unable to resolve dependency for ':app@debug/compileClasspath': Could not resolve com.android.support:appcompat-v7:26.1.0.

Could not resolve com.android.support:appcompat-v7:26.1.0.

Required by: project :app

No cached version of com.android.support:appcompat-v7:26.1.0 available for offline mode.

Error log:

Could not resolve all files for configuration ':app:debugCompileClasspath'.
Could not resolve com.android.support:appcompat-v7:26.1.0.
Required by:
project :app
No cached version of com.android.support:appcompat-v7:26.1.0 available for offline mode.
No cached version of com.android.support:appcompat-v7:26.1.0 available for offline mode.
Could not resolve com.android.support.constraint:constraint-layout:1.1.0-beta3.
Required by:
project :app
No cached version of com.android.support.constraint:constraint-layout:1.1.0-beta3 available for offline mode.
No cached version of com.android.support.constraint:constraint-layout:1.1.0-beta3 available for offline mode.
Could not resolve com.android.support:design:26.1.0.
Required by:
project :app
No cached version of com.android.support:design:26.1.0 available for offline mode.
No cached version of com.android.support:design:26.1.0 available for offline mode.
Could not resolve com.android.support:cardview-v7:26.1.0.
Required by:
project :app
No cached version of com.android.support:cardview-v7:26.1.0 available for offline mode.
No cached version of com.android.support:cardview-v7:26.1.0 available for offline mode.
Could not resolve com.google.android.gms:play-services-ads:11.4.2.
Required by:
project :app
No cached version of com.google.android.gms:play-services-ads:11.4.2 available for offline mode.
No cached version of com.google.android.gms:play-services-ads:11.4.2 available for offline mode.
Could not resolve com.android.support:support-v4:26.1.0.
Required by:
project :app
No cached version of com.android.support:support-v4:26.1.0 available for offline mode.
No cached version of com.android.support:support-v4:26.1.0 available for offline mode.

Error log image:

Click here for image

like image 663
Dhaval Jotaniya Avatar asked Oct 29 '17 11:10

Dhaval Jotaniya


5 Answers

Go to File->Other Settings->Default Settings->Build, Execution, Deployment->Build Tools->Gradle->Uncheck Offline work option.

like image 115
Mateus Preste Avatar answered Nov 06 '22 12:11

Mateus Preste


Below is a workaround demo image of ; Uncheck Offline work option by going to:

File -> Settings -> Build, Execution, Deployment -> Gradle

enter image description here

If above workaround not works then try this:

  1. Open the build.gradle file for your application.

  2. Make sure that the repositories section includes a maven section with the "https://maven.google.com" endpoint. For example:

    allprojects {      repositories {          jcenter()          maven {              url "https://maven.google.com"          }      } } 
  3. Add the support library to the dependencies section. For example, to add the v4 core-utils library, add the following lines:

    dependencies {     ...     compile "com.android.support:support-core-utils:27.1.0" } 

Caution: Using dynamic dependencies (for example, palette-v7:23.0.+) can cause unexpected version updates and regression incompatibilities. We recommend that you explicitly specify a library version (for example, palette-v7:27.1.0).

Manifest Declaration Changes

Specifically, you should update the android:minSdkVersion element of the <uses-sdk> tag in the manifest to the new, lower version number, as shown below:

<uses-sdk   android:minSdkVersion="14"   android:targetSdkVersion="23" /> 

If you are using Gradle build files, the minSdkVersion setting in the build file overrides the manifest settings.

apply plugin: 'com.android.application'  android {    ...       defaultConfig {             minSdkVersion 16             ...         }         ...     } 

Following Android Developer Library Support.

like image 40
stefan Avatar answered Oct 13 '22 09:10

stefan


Below is a workaround demo image of ; Uncheck Offline work option by going to:

File -> Settings -> Build, Execution, Deployment -> Gradle

enter image description here

If above workaround not works then try this:

  1. Open the build.gradle file for your application.

  2. Make sure that the repositories section includes a maven section with the "https://maven.google.com" endpoint. For example:

    allprojects {
         repositories {
             jcenter()
             maven {
                 url "https://maven.google.com"
             }
         }
    }
    
  3. Add the support library to the dependencies section. For example, to add the v4 core-utils library, add the following lines:

    dependencies {
        ...
        compile "com.android.support:support-core-utils:27.1.0"
    }
    

Caution: Using dynamic dependencies (for example, palette-v7:23.0.+) can cause unexpected version updates and regression incompatibilities. We recommend that you explicitly specify a library version (for example, palette-v7:27.1.0).

Manifest Declaration Changes

Specifically, you should update the android:minSdkVersion element of the <uses-sdk> tag in the manifest to the new, lower version number, as shown below:

<uses-sdk
  android:minSdkVersion="14"
  android:targetSdkVersion="23" />

If you are using Gradle build files, the minSdkVersion setting in the build file overrides the manifest settings.

apply plugin: 'com.android.application'

android {
   ...
      defaultConfig {
            minSdkVersion 16
            ...
        }
        ...
    }

Following Android Developer Library Support.

like image 36
youpilat13 Avatar answered Nov 06 '22 12:11

youpilat13


Just went to build.gradle and deleted the line:

implementation 'com.android.support:appcompat-v7:26.1.0'

After that, I re-synced the Gradle. Then, I pasted the line of code back, re-synced the Gradle again and it worked.

Note: While I was making this changes, I also updated all the SDK Tools that needed update.

like image 16
benjamin Avatar answered Nov 06 '22 12:11

benjamin


Invalidate Cache / Restart from File option.

Just unchecking offline mode did not work for me.

like image 8
Khemraj Sharma Avatar answered Nov 06 '22 12:11

Khemraj Sharma