title: updated android studio to 3.2.1 and I'm stuck
body: <p>I'm working on an android application for which I got help for a lot of question from here. Thanks
  but
  now I'm stuck on "cannot resolve R" from a couple of days.
  I tried to work on 3 different applications and all I got is errors like that
  I don't know if this is a problem of android studio</p>
  
  <p><strong>android version</strong></p>
  
  <p><a href="https://i.stack.imgur.com/cfWnG.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/cfWnG.png" alt="enter image description here"></a></p>
  
  <p><strong>errors which I been receiving since ages I think</strong></p>
  
  <p><a href="https://i.stack.imgur.com/bTL1p.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/bTL1p.png" alt="enter image description here"></a></p>
  
  <p>this ain't gradle.build[app] of above-mentioned project but is of another app as it's not building gradle when I restarted it now,</p>
  
  <pre><code>apply plugin: 'com.android.application'
  
  android {
      compileSdkVersion 17
      buildToolsVersion "24.0.0"
  
      defaultConfig {
          applicationId "com.visionapps.demo.swipe"
          minSdkVersion 8
          targetSdkVersion 17
      }
  
      buildTypes {
          release {
              minifyEnabled false
              proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
          }
      }
  }
  
  dependencies {
      compile 'com.android.support:support-v4:18.0.0'
      compile files('libs/otto-1.3.3.jar')
  }
  </code></pre>