this is my build.gradle file
apply plugin: 'com.android.application'
android {
compileSdkVersion 23
buildToolsVersion "25.0.3"
defaultConfig {
applicationId "com.villegas.juliana.dreavel_app"
minSdkVersion 21
targetSdkVersion 23
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-v7:23.4.0'
compile 'com.android.support.constraint:constraint-layout:1.0.0-alpha9'
compile 'com.google.firebase:firebase-database:10.0.1'
compile 'com.squareup.picasso:picasso:2.5.2'
testCompile 'junit:junit:4.12'
}
apply plugin: 'com.google.gms.google-services'
when i copy the picasso dependency it throws this error in this line
compile 'com.android.support:appcompat-v7:23.4.0'
error : All com.android.support libraries must use the exact same version specification (mixing versions can lead to runtime crashes). Found versions 24.0.0, 23.4.0. Examples include com.android.support:support-v4:24.0.0 and com.android.support:animated-vector-drawable:23.4.0 more... (Ctrl+F1)