Error while using Dagger2, Room and Databinding


Error while using Dagger2, Room and Databinding



im having issue with this error "error: cannot find symbol class DataBindingComponent" from app/build/generated/source/dataBinding/baseClasses/debug . i have tried all the options people suggested on internet but no help at all.
these options included:
1. clean / rebuild project
2. invalidate caches / restart


"error: cannot find symbol class DataBindingComponent"


app/build/generated/source/dataBinding/baseClasses/debug



1) this is my root build.gradle


buildscript {
repositories {
google()
jcenter()
mavenCentral()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.1.3'
classpath 'com.google.gms:google-services:4.0.1'
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}

allprojects {
repositories {
google()
jcenter()
maven { url "https://jitpack.io" }
maven {
url "https://maven.google.com"
}
}
gradle.projectsEvaluated {
tasks.withType(JavaCompile) {
options.compilerArgs << "-Xmaxerrs" << "500"
}
}
}

task clean(type: Delete) {
delete rootProject.buildDir
}

ext {

// Sdk and tools
minSdkVersion = 17
devMinSdkVersion = 21;
devPreLollipopSdkVersion = 19;
targetSdkVersion = 27
compileSdkVersion = 27
buildToolsVersion = '27.0.3'

// App dependency
supportLibraryVersion = '27.1.1'
retrofit = "2.3.0"
okHttp = "3.5.0"
butterknife= "8.8.1"
glide = "4.7.1"
glideCompiler = "4.7.1"
rxJava = '2.1.8'
rxAndroid = '2.0.1'
dagger2 = "2.16"

// version
versionCode = 1
versionName = "1.0"
}



2) this is my module build.gradle


`apply plugin: 'com.android.application'

android {
dataBinding {
enabled = true
}
compileSdkVersion rootProject.ext.targetSdkVersion
dexOptions {
maxProcessCount 2
javaMaxHeapSize "2g"
}
defaultConfig {
applicationId "com.movecrop.shipper"
minSdkVersion rootProject.ext.minSdkVersion
targetSdkVersion rootProject.ext.targetSdkVersion
versionCode rootProject.ext.versionCode
versionName rootProject.ext.versionName
multiDexEnabled true
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
debug {
minifyEnabled false
}
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}

flavorDimensions "movecrop.shipper"

compileOptions {
targetCompatibility 1.8
sourceCompatibility 1.8
}
}

dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation "com.android.support:appcompat-v7:$rootProject.supportLibraryVersion"
implementation "com.android.support:support-v4:$rootProject.supportLibraryVersion"
implementation "com.android.support:customtabs:$rootProject.supportLibraryVersion"
implementation "com.android.support:design:$rootProject.supportLibraryVersion"
implementation "com.android.support:cardview-v7:$rootProject.supportLibraryVersion"
implementation 'com.android.support.constraint:constraint-layout:1.1.2'
implementation 'com.android.support:multidex:1.0.3'
// glide
implementation "com.github.bumptech.glide:glide:$rootProject.glide"
annotationProcessor "com.github.bumptech.glide:compiler:$rootProject.glideCompiler"
implementation 'jp.wasabeef:glide-transformations:2.0.2'
// retrofit
implementation "com.squareup.retrofit2:retrofit:$rootProject.retrofit"
implementation "com.squareup.retrofit2:retrofit-mock:$rootProject.retrofit"
implementation "com.squareup.retrofit2:converter-gson:$rootProject.retrofit"
implementation "com.squareup.retrofit2:adapter-rxjava2:$rootProject.retrofit"
// okhttp3
implementation "com.squareup.okhttp3:okhttp:$rootProject.okHttp"
implementation "com.squareup.okhttp3:logging-interceptor:$rootProject.okHttp"
implementation 'com.squareup.okio:okio:1.13.0'
implementation 'de.hdodenhof:circleimageview:2.1.0'
implementation 'com.orhanobut:hawk:2.0.1'
implementation 'com.jakewharton.byteunits:byteunits:0.9.1'
implementation 'com.github.tajchert:nammu:1.2.0'
// RxJava
implementation "io.reactivex.rxjava2:rxjava:$rootProject.ext.rxJava"
implementation "io.reactivex.rxjava2:rxandroid:$rootProject.ext.rxAndroid"
// Bottom navigation
implementation 'it.sephiroth.android.library.bottomnavigation:bottom-navigation:2.0.1-rc1'
// curl
implementation 'com.github.mrmike:Ok2Curl:master-SNAPSHOT'
// Firebase
implementation 'com.google.firebase:firebase-core:16.0.1'
implementation 'com.google.firebase:firebase-messaging:17.0.0'
implementation 'com.firebase:firebase-jobdispatcher:0.8.5'
// Dagger2
implementation "com.google.dagger:dagger-android:$rootProject.dagger2"
// Dagger2 if you use the support libraries
implementation "com.google.dagger:dagger-android-support:$rootProject.dagger2"
annotationProcessor "com.google.dagger:dagger-android-processor:$rootProject.dagger2"
annotationProcessor "com.google.dagger:dagger-compiler:$rootProject.dagger2"

def lifecycle_version = "1.1.1"
implementation "android.arch.lifecycle:livedata:$lifecycle_version"
def room_version = "1.1.1"
implementation "android.arch.persistence.room:runtime:$room_version"
annotationProcessor "android.arch.persistence.room:compiler:$room_version"

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'
}
apply plugin: 'com.google.gms.google-services'



`



Hope you guys can give me some suggestion, thanks



updated:
This is one of my activity (and its layout xml) that show error:


package com.movecrop.shipper.ui.home;

import android.content.Context;
import android.content.Intent;
import android.databinding.DataBindingComponent;
import android.databinding.DataBindingUtil;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.content.LocalBroadcastManager;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;

public class HomeActivity
extends AppCompatActivity
implements HomeViewModel.HomeListener,
SwitchWorkingStatusReceiver.OnSwitchWorkingStatusListener {

private HomeViewModel mHomeViewModel;
ActivityHomeBinding mBinding;
LayoutDrawerHeaderBinding mHeaderBinding;
private ActionBarDrawerToggle mActionBarDrawerToggle;
private SwitchWorkingStatusReceiver mSwitchWorkingStateReceiver = new SwitchWorkingStatusReceiver();
private static final String TAG = "HomeActivity";

public static Intent newIntent(Context context) {
Intent i = new Intent(context, HomeActivity.class);
i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
| Intent.FLAG_ACTIVITY_CLEAR_TASK
| Intent.FLAG_ACTIVITY_SINGLE_TOP);
return i;
}

@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Injector.getInstance().component().inject(this);
mBinding = DataBindingUtil.setContentView(this, R.layout.activity_home);
mBinding.setHomeActivity(this);
mHomeViewModel = new HomeViewModel();
mHomeViewModel.initialize(this);
LocalBroadcastManager.getInstance(this).registerReceiver(
mSwitchWorkingStateReceiver,
SwitchWorkingStatusReceiver.getIntenFilter()
);
initDrawer();
mHomeViewModel.loadUser();
navigate(R.id.menu_dashboard);
}
}


<layout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
tools:context="com.movecrop.shipper.ui.home.HomeActivity">

<data>

<variable
name="homeActivity"
type="com.movecrop.shipper.ui.home.HomeActivity" />
</data>

<android.support.v4.widget.DrawerLayout
android:id="@+id/drawer"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true">

<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">

<FrameLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">

<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?android:actionBarSize"
app:title="@string/label_dashboard_title" />

<ImageView
android:id="@+id/imgNotification"
android:layout_width="48dp"
android:layout_height="48dp"
android:layout_gravity="right|center_vertical"
android:cropToPadding="true"
android:padding="12dp"
android:visibility="invisible" />

</FrameLayout>

<FrameLayout
android:id="@+id/frameLayout"
android:layout_width="match_parent"
android:layout_height="match_parent" />

</LinearLayout>

<android.support.design.widget.NavigationView
android:id="@+id/drawerNavigationView"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="start"
android:background="@android:color/white"
android:theme="@style/ThemeOverlay.AppCompat.Light"
app:headerLayout="@layout/layout_drawer_header"
app:itemBackground="@drawable/bg_menu_item_selector"
app:itemIconTint="@color/color_menu_item_selector"
app:itemTextColor="@color/colorDrawerIconTint"
app:menu="@menu/drawer">


<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom"
android:orientation="vertical">

<Button
android:id="@+id/btnToggle"
android:layout_width="wrap_content"
android:layout_height="@dimen/button_height"
android:layout_gravity="center_horizontal"
android:layout_marginLeft="32dp"
android:layout_marginRight="32dp"
android:layout_marginTop="40dp"
android:background="@drawable/bg_primary_button_unselected"
android:maxLines="1"
android:onClick="@{homeActivity::click}"
android:paddingLeft="16dp"
android:paddingRight="16dp"
android:text="@string/button_go_online"
android:textAllCaps="true"
android:textColor="@android:color/white"
android:textSize="12sp" />

<TextView
android:id="@+id/btnSetting"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="left"
android:layout_marginTop="32dp"
android:background="@drawable/ts_list_item"
android:drawableLeft="@drawable/ic_dm_setting"
android:drawablePadding="32dp"
android:onClick="@{homeActivity::click}"
android:paddingBottom="16dp"
android:paddingLeft="16dp"
android:paddingRight="16dp"
android:paddingTop="16dp"
android:textColor="@color/colorDrawerIconTint"
android:textStyle="bold"
android:fitsSystemWindows="true"
android:text="@string/dm_setting" />

</LinearLayout>

</android.support.design.widget.NavigationView>

</android.support.v4.widget.DrawerLayout>

</layout>





Where are compiler output and my build.gradle files?
– Deividas Strioga
Jun 29 at 14:19





@DeividasStrioga sorry, i updated my post. Thanks
– Ho Thai Truong An
Jun 29 at 14:35





What is the code in the line the error points to?
– Deividas Strioga
Jun 29 at 14:38





these error points to my activity binding class generated in app/build/generated/source/dataBinding/baseClasses/debug
– Ho Thai Truong An
Jun 29 at 14:46





Please post the code of that activity and its layout xml.
– Deividas Strioga
Jun 29 at 14:46




1 Answer
1



Turns out the error comes from my dao interface for room database not dagger2 neither databinding library. hope it'll help anyone who has same problem.






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