Failed to resolve: com.android.support:appcompat-v7:28+ - android

I am new to Android Studio. I am now using Android Studio 2.2.1 due to my study. I found the relevant answer on the website, I tried all solution but I still doesn't work.
android {
compileSdkVersion 28
buildToolsVersion "28.0.3"
defaultConfig {
applicationId "com.quynhnhu.demoapp"
minSdkVersion 15
targetSdkVersion 28
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
exclude group: 'com.android.support', module: 'support-annotations'
})
compile'com.android.support:appcompat-v7:28.+'
testCompile 'junit:junit:4.12'
}

You need to include the google maven repository for com.android.support:appcompat-v7:28.+ in your project/root build.gradle. So, change your build.gradle to include the repository like the following:
allprojects {
repositories {
maven {
url 'https://maven.google.com'
}
}
}
more details at Support Library Setup.
Note: please update your gradle version and Android Studio.

Related

Error:Failed to resolve: Crosswalk

I'm trying to make a SDK using Crosswalk. So first I started to make a sample app using
compile 'org.xwalk:xwalk_core_library:23.53.589.4'. And it works. Then I tried to make a SDK using this. But it didn't work as I expected.
gradle file
apply plugin: 'com.android.library'
repositories {
maven {
url 'https://download.01.org/crosswalk/releases/crosswalk/android/maven2'
}
}
android {
compileSdkVersion 26
buildToolsVersion "26.0.2"
defaultConfig {
minSdkVersion 16
targetSdkVersion 26
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
exclude group: 'com.android.support', module: 'support-annotations'
})
compile 'com.android.support:appcompat-v7:26.0.0-alpha1'
compile 'org.xwalk:xwalk_core_library:23.53.589.4'
testCompile 'junit:junit:4.12'
}
Here is the screenshot of error message

Mapbox navigation package when added shows error in gradle build.

I am creating a blank project in which I add mapbox navigation package compile 'com.mapbox.mapboxsdk:mapbox-android-navigation:0.6.3' in the gradle file. It shows error in appcompat file like this:-
Error:Failed to resolve: com.android.support:appcompat-v7:26.1.0
eventhough I use different version of Appcompat file. Before adding navigation package, everything was fine. Can someone please help me to find out this weird error.
Here is my app's gradle file:
apply plugin: 'com.android.application'
android {
compileSdkVersion 25
buildToolsVersion "26.0.2"
defaultConfig {
applicationId "com.example.aadhilahmed.test7"
minSdkVersion 15
targetSdkVersion 25
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
exclude group: 'com.android.support', module: 'support-annotations'
})
compile 'com.android.support:appcompat-v7:25.3.1'
compile 'com.mapbox.mapboxsdk:mapbox-android-navigation:0.6.3'
compile 'com.android.support.constraint:constraint-layout:1.0.2'
testCompile 'junit:junit:4.12'
}
Specify:
compile ('com.mapbox.mapboxsdk:mapbox-android-navigation:0.6.3') {
transitive = false;
}
Try this.Starting from version 26 of support libraries make sure that the repositories section includes a maven section
allprojects {
repositories {
jcenter()
maven {
url "https://maven.google.com"
}
}
}
For Gradle build tools plugin version 3.0.0
allprojects {
repositories {
jcenter()
google()
}
}

Android Dependency error

I have following code in build.gradle
apply plugin: 'com.android.application'
android {
compileSdkVersion 26
buildToolsVersion "26.0.1"
defaultConfig {
applicationId "com.example.myapp.myapplication"
minSdkVersion 14
targetSdkVersion 26
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
exclude group: 'com.android.support', module: 'support-annotations'
})
compile 'com.android.support:appcompat-v7:26.0.0'
compile 'com.android.support.constraint:constraint-layout:1.0.2'
compile 'com.thefinestartist:finestwebview:1.2.7'
testCompile 'junit:junit:4.12'
}
allprojects {
repositories {
jcenter()
maven {
url 'https://maven.google.com'
}
}
}
But i get error for the following line
compile 'com.android.support:appcompat-v7:26.0.0'
Can any one help me how to fix this issue ?
problem is with
compile 'com.thefinestartist:finestwebview:1.2.7' check below screen shot
Solution :
https://stackoverflow.com/a/25736483/793943
This means your build version is 26.0.1 but ur support gradle version is 26.0.0. Change the support appcompat version from 26.0.0 to 26.0.1 and build.
Try adding below code to your project level build.gradle file, it should work
allprojects {
repositories {
jcenter()
maven {
url 'https://maven.google.com'
}
}
}

Imported Android Module Doesn't Include Dependencies

I'm working on an Android library that allows communication with a Bluetooth device. The library itself has two important dependencies.
The goal is to make an .aar available of the library for others to include in their apps, with a sample app being available for reference.
I'm currently working on the sample app, and I've successfully imported the library into the app, but the library's dependencies are not being included so I'm receiving errors such as java.lang.NoClassDefFoundError: Failed resolution of: ...
It was my understanding that the library's gradle file would be used when compiling the library, but this does not seem to be the case?
My library's gradle file is as follows:
apply plugin: 'com.android.library'
apply plugin: 'me.tatarka.retrolambda'
buildscript {
repositories {
mavenCentral()
}
dependencies {
classpath 'me.tatarka:gradle-retrolambda:3.6.0'
}
}
repositories {
mavenLocal()
}
android {
compileSdkVersion 25
buildToolsVersion '25.0.3'
defaultConfig {
minSdkVersion 19
targetSdkVersion 25
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
publishNonDefault true
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
exclude group: 'com.android.support', module: 'support-annotations'
})
compile 'com.android.support:support-annotations:25.3.1'
compile 'com.polidea.rxandroidble:rxandroidble:1.3.2'
compile 'com.github.zafarkhaja:java-semver:0.9.0'
testCompile 'junit:junit:4.12'
}
Any ideas?

Failed to resolve javax

I created a new Application and I am getting these errors
This is my app level
apply plugin: 'com.android.application'
android {
compileSdkVersion 24
buildToolsVersion "24.0.2"
defaultConfig {
applicationId "com.vfirst.genie"
minSdkVersion 15
targetSdkVersion 24
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
exclude group: 'com.android.support', module: 'support-annotations'
})
compile 'com.android.support:appcompat-v7:24.2.1'
testCompile 'junit:junit:4.12'
}
Download the latest version of Android Support Repository, Android Support Library and Google Repository from your SDK Manager.
I think it should solve the issue.

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