Develop Reference

Error "error: package com.google.firebase.messaging does not exist" even though dependency is added

I have the following line in my MainActivity.java that is giving the error...
import com.google.firebase.messaging.FirebaseMessaging;
Which gives error:
error: package com.google.firebase.messaging does not exist
My app level build.gradle has the dependency added...
plugins {
id 'com.android.application'
id 'com.google.gms.google-services'
}
android {
compileSdk 32
defaultConfig {
applicationId "com.tenera.fcm_reliability_test_android_native_client"
minSdk 21
targetSdk 32
versionCode 1
versionName "1.0"
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
}
dependencies {
implementation 'androidx.appcompat:appcompat:1.5.1'
implementation 'com.google.android.material:material:1.7.0'
implementation platform('com.google.firebase:firebase-bom:31.1.0')
implementation platform('com.google.firebase:firebase-messaging')
implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
testImplementation 'junit:junit:4.13.2'
androidTestImplementation 'androidx.test.ext:junit:1.1.4'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.0'
}
The build process does not complain about any issue with the build.gradle, so I assume it is configured correctly (according to the firebase docs). I am not sure what else I can do to diagnose this issue, since there is no indication that the build file is misconfigured.

App is showing gradle error before connecting to android app

I was using Firebase as I was new into the firebase whenever I try to connect my app with firebase it shows me error. Could not parse the Android Application Module's Gradle config. Resolve gradle build issues and/or resync.. I had tried to change my sdkversion from 32 to 31 but it was showing different error after that The minCompileSdk (32) specified in a
dependency's AAR metadata (META-INF/com/android/build/gradle/aar-metadata.properties) . So, if someone knows the answer please let me know. I have stucked in this for a while now
This is my gradle(App) file
plugins {
id 'com.android.application'
id 'kotlin-android'
}
android {
compileSdk 32
defaultConfig {
applicationId "com.example.login_firebase"
minSdk 21
targetSdk 32
versionCode 1
versionName "1.0"
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
kotlinOptions {
jvmTarget = '1.8'
}
compileSdkVersion 32
buildToolsVersion '32.0.0'
}
dependencies {
implementation 'androidx.core:core-ktx:1.8.0'
implementation 'androidx.appcompat:appcompat:1.5.0'
implementation 'com.google.android.material:material:1.6.1'
implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
testImplementation 'junit:junit:4.+'
androidTestImplementation 'androidx.test.ext:junit:1.1.3'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
}

Android Studio - ActivityInstrumentationTestCase2 not found?

I am trying to unit test my MainActivty. My project cannot find ActivityInstrumentationTestCase2 and android.test package. I changed the target SDK to 27 to see if that resolves that problem but to no avail.
This is how my gradle looks like:
plugins {
id 'com.android.application'
}
android {
compileSdk 32
defaultConfig {
applicationId "aziz.ai.gpsspeedometer"
minSdk 21
targetSdk 32
versionCode 1
versionName "1.0"
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
sourceSets {
main {
java {
srcDirs 'src\\main\\java', 'src\\main\\java\\common'
}
}
}
}
dependencies {
implementation 'androidx.appcompat:appcompat:1.3.0'
implementation 'com.google.android.material:material:1.4.0'
implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
testImplementation 'junit:junit:4.13.2'
androidTestImplementation 'androidx.test.ext:junit:1.1.3'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
implementation 'com.google.android.gms:play-services-location:19.0.1'
}

ActivityInstrumentationTestCase2 is deprecated on API level 24
put compileSdkVersion 23 or upgrade the test class to the new test classes

How can I fix "Could not GET jcenter.bintray.com/com/google/dagger/dagger-android-processor/2.35.1/dagger-android-processor-2.35.1.pom"?

I'm practicing Dagger 2 from this tutorial:
vogella.com Dagger tutorial.
But I got this error while running my Android project:
Could not GET 'https://jcenter.bintray.com/com/google/dagger/dagger-android-processor/2.35.1/dagger-android-processor-2.35.1.pom'
How can I fix this issue?
This is my build.gradle Module:
plugins {
id 'com.android.application'
}
android {
compileSdkVersion 31
buildToolsVersion "31.0.0"
defaultConfig {
applicationId "com.vogella.android.dagger2simple"
minSdkVersion 17
targetSdkVersion 31
versionCode 1
versionName "1.0"
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
}
dependencies {
implementation 'androidx.appcompat:appcompat:1.4.0'
implementation 'com.google.android.material:material:1.4.0'
implementation 'androidx.constraintlayout:constraintlayout:2.1.2'
implementation 'com.google.dagger:dagger:2.35.1'
implementation 'com.google.dagger:dagger-android:2.35.1'
annotationProcessor 'com.google.dagger:dagger-android-processor:2.35.1'
annotationProcessor 'com.google.dagger:dagger-compiler:2.35.1'
testImplementation 'junit:junit:4.+'
androidTestImplementation 'androidx.test.ext:junit:1.1.3'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
}
android {
configurations.all {
resolutionStrategy.force 'com.google.code.findbugs:jsr305:1.3.9'
}
}

Replace jcenter() with mavenCentral() in all your build.gradle files.
As mentioned in migrating away from JCenter guide

Unable to include dependence library when export aar file

I created a module and now I am trying to export the .aar file but I cannot include the gradle dependencies I used in the module to the .aar file. I tried the solution of this post with no success. Here is how my app level .build file looks like:
apply plugin: 'com.android.library'
android {
compileSdkVersion 28
buildToolsVersion "29.0.2"
defaultConfig {
minSdkVersion 19
targetSdkVersion 28
versionCode 1
versionName "1.0"
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
consumerProguardFiles 'consumer-rules.pro'
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
}
compileOptions {
sourceCompatibility = 1.8
targetCompatibility = 1.8
}
}
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation 'androidx.appcompat:appcompat:1.1.0'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'androidx.test.ext:junit:1.1.1'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
implementation ('com.daimajia.androidanimations:library:2.3#aar')
{transitive=true}
implementation ('com.google.android.exoplayer:exoplayer-core:2.10.0')
{transitive=true}
implementation ('tyrantgit:explosionfield:1.0.1')
{transitive=true}
}
What am I missing?