title: Android File Chooser not calling from Android Webview
body: <p>Its a simple WebApp with a Webview in it and there is a registration page with upload file option. trying to open file chooser when click on browse button but there is not response. i assume that there is some issue in my gradle files. please help me debug it. Here is my Code.</p>
  
  <p>here is my project gradle</p>
  
  <pre><code>    buildscript {
  
          repositories {
              google()
              jcenter()
              mavenCentral()
          }
          dependencies {
              classpath 'com.android.tools.build:gradle:3.1.3'
              classpath 'com.google.gms:google-services:3.2.1'
          }
      }
      allprojects {
          repositories {
              google()
              jcenter()
          }
      }
  
      task clean(type: Delete) {
          delete rootProject.buildDir
      }
  </code></pre>
  
  <p>and here is my app gradle</p>
  
  <pre><code>android {
      compileSdkVersion 27
      defaultConfig {
          applicationId "com.androidapp.myApp"
          minSdkVersion 15
          targetSdkVersion 27
          versionCode 2
          versionName "1.0"
          testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
          useLibrary 'org.apache.http.legacy'
  
          multiDexEnabled true
      }
      buildTypes {
          release {
              minifyEnabled false
              proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
          }
      }
  }
  
  dependencies {
      implementation fileTree(dir: 'libs', include: ['*.jar'])
      implementation 'com.android.support:appcompat-v7:27.1.1'
      implementation 'com.android.support:support-v4:27.1.1'
      implementation 'com.google.firebase:firebase-invites:16.0.1'
      implementation 'com.google.firebase:firebase-messaging:17.1.0'
  
      testImplementation 'junit:junit:4.12'
      androidTestImplementation 'com.android.support.test:runner:1.0.2'
      androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
      implementation 'com.squareup.okhttp3:okhttp:3.8.0'
  
      implementation 'com.android.support:multidex:1.0.3'
  
  
  }
  
  apply plugin: 'com.google.gms.google-services'
  </code></pre>