title: Relase build getting crashed but debug is working fine
body: <p>I am getting error of null in release build only. But when I am creating a release build it is getting crashed but working fine in debug mode.</p>
  
  <p>When I was optimizing my apk i deleted mobile_navigation.xml file but it was never used anywhere</p>
  
  <p>Here is my build file</p>
  
  <pre><code>//one signal integration
  
  buildscript {
      repositories {
          maven { url 'https://plugins.gradle.org/m2/' }
      }
      dependencies {
          classpath 'gradle.plugin.com.onesignal:onesignal-gradle-plugin:0.12.5'
      }
  }
  apply plugin: 'com.onesignal.androidsdk.onesignal-gradle-plugin'
  
  repositories {
      maven { url 'https://maven.google.com' }
  }
  //end of one signal integration
  apply plugin: 'com.android.application'
  
  android {
      compileSdkVersion 28
      buildToolsVersion "28.0.3"
      defaultConfig {
          applicationId "com.codon.masterpiece"
          minSdkVersion 17
          targetSdkVersion 28
          versionCode 110
          versionName "4.0"
          testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
  
          vectorDrawables.useSupportLibrary = true
          manifestPlaceholders = [
                  onesignal_app_id               : 'a33a085c-d32d-4462-a850-334f5c73db01',
                  // Project number pulled from dashboard, local value is ignored.
                  onesignal_google_project_number: 'REMOTE'
          ]
  
  
      }
      lintOptions {
          checkReleaseBuilds false
          // Or, if you prefer, you can continue to check for errors in release builds,
          // but continue the build even when errors are found:
          abortOnError false
      }
      buildTypes {
          release {
              minifyEnabled true
              //shrinkResources true
              //proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
              proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
          }
      }
      sourceSets {
          main {
              res.srcDirs =
                      [
                              'src/main/res/layouts/home_and_fragments',
                              'src/main/res/layouts/login_and_onboarding',
                              'src/main/res/layouts',
                              'src/main/res'
                      ]
          }
      }
      buildToolsVersion '28.0.3'
      compileOptions {
          targetCompatibility = '1.8'
          sourceCompatibility = '1.8'
      }
  }
  
  dependencies {
  
      implementation fileTree(include: ['*.jar'], dir: 'libs')
      implementation 'androidx.appcompat:appcompat:1.0.2'
      implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
      implementation 'androidx.legacy:legacy-support-v4:1.0.0'
      implementation 'androidx.vectordrawable:vectordrawable:1.0.1'
      implementation 'androidx.lifecycle:lifecycle-extensions:2.0.0'
      implementation 'androidx.navigation:navigation-fragment:2.0.0'
      implementation 'androidx.navigation:navigation-ui:2.0.0'
      testImplementation 'junit:junit:4.12'
      androidTestImplementation 'androidx.test:runner:1.2.0'
      androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
      implementation 'androidx.exifinterface:exifinterface:1.0.0'
  
      //addedd libraries due to conflict
      implementation 'com.google.android.material:material:1.0.0'
      implementation 'androidx.browser:browser:1.0.0'
  
      //card view
      implementation 'androidx.cardview:cardview:1.0.0'
  
      //Facebook sdk
      implementation 'com.facebook.android:facebook-android-sdk:5.2.0'
  
      //Google login
      implementation 'com.google.android.gms:play-services-auth:17.0.0'
  
      //Play Store core library
      implementation 'com.google.android.play:core:1.6.1'
  
      //Recyclerview
      implementation 'androidx.recyclerview:recyclerview:1.0.0'
  
      //Retrofit
  //    implementation('com.squareup.retrofit2:retrofit:2.6.1') {
  //        // exclude Retrofit’s OkHttp dependency module and define your own module import
  //        exclude module: 'okhttp'
  //    }
      implementation 'com.squareup.retrofit2:retrofit:2.6.1'
      // exclude Retrofit’s OkHttp dependency module and define your own module import
  
      implementation 'com.squareup.retrofit2:converter-gson:2.5.0'
      implementation 'com.google.code.gson:gson:2.8.5'
      implementation 'com.squareup.okhttp3:logging-interceptor:3.12.1'
      implementation 'com.squareup.okhttp3:okhttp:3.12.1'
  //    implementation 'com.squareup.okhttp3:logging-interceptor:4.1.1'
  //    implementation 'com.squareup.okhttp3:okhttp:4.1.1'
  
      //Volley
      implementation 'com.android.volley:volley:1.1.1'
  
      //circle image view
      implementation 'de.hdodenhof:circleimageview:2.2.0'
  
      //image crop library
      implementation 'com.theartofdev.edmodo:android-image-cropper:2.7.0'
  
      //Picasso
      implementation 'com.squareup.picasso:picasso:2.71828'
  
      //currency and country picker
      //implementation 'com.github.midorikocak:currency-picker-android:1.1.9'
      //implementation 'com.github.yesterselga:country-picker-android:1.0'
  
      //country picker
      implementation 'com.github.mukeshsolanki:country-picker-android:2.0.1'
  
      //imageview zoom
      implementation 'com.github.chrisbanes:PhotoView:2.0.0'
  
      //one signal
      implementation 'com.onesignal:OneSignal:3.11.2'
  
      //google analytics
      implementation 'com.google.android.gms:play-services-analytics:17.0.0'
  
      //walkthrough
      implementation 'com.github.amlcurran.showcaseview:library:5.4.3'
  
      //progressbar
      //implementation 'com.bigkoo:svprogresshud:1.0.6'
  
  
      //facebook shimmer effect
      implementation 'com.facebook.shimmer:shimmer:0.4.0'
  
      //progress bar
  
      implementation 'com.kaopiz:kprogresshud:1.2.0'
  
  
  
  }
  </code></pre>
  
  <p>Here is my logcat</p>
  
  <pre><code> Process: com.codon.masterpiece, PID: 13865
      java.lang.NullPointerException: throw with null exception
          at com.codon.masterpiece.d.b.b.a(Unknown Source:3)
          at com.codon.masterpiece.ui.home.e$d.a(:341)
          at f.g$b$a$a.run(:83)
          at android.os.Handler.handleCallback(Handler.java:873)
          at android.os.Handler.dispatchMessage(Handler.java:99)
          at android.os.Looper.loop(Looper.java:193)
          at android.app.ActivityThread.main(ActivityThread.java:6746)
          at java.lang.reflect.Method.invoke(Native Method)
          at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
          at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
  </code></pre>
  
  <p>Please suggest me what might be wrong in the release mode</p>