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Toothpick is a scope tree based Dependency Injection (DI) library for Java.
It is a full-featured, runtime based, but reflection free, implementation of JSR 330.
//a typical Toothpick scope tree during the execution of an Android app.
@ApplicationScope
/ | \
/ | \
/ | \
@ViewModelScope | Service 2
/ |
/ Service 1
/
@Activity1Scope
/
/
Activity 1
/ \
/ Fragment 2
/
Fragment 1
Scopes offer to compartmentalize memory during the runtime of an app and prevent memory leaks. All dependencies created via Toothpick, and available for injections, will be fully garbage collected when this scope is closed. To learn more about scopes, read TP wiki.
Toothpick is :
This is the example:
The latest version of TP is provided by a badge at the top of this page.
For Android :
#android setup using gradle 5.5.1
buildscript {
repositories {
google()
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.4.x'
}
}
...
#for java
dependencies {
implementation 'com.github.stephanenicolas.toothpick:toothpick-runtime:3.x'
// and for android -> implementation 'com.github.stephanenicolas.toothpick:smoothie-androidx:3.x'
annotationProcessor 'com.github.stephanenicolas.toothpick:toothpick-compiler:3.x'
//highly recommended
testImplementation 'com.github.stephanenicolas.toothpick:toothpick-testing-junit5:3.x'
testImplementation 'mockito or easymock'
}
#for kotlin
dependencies {
implementation 'com.github.stephanenicolas.toothpick:ktp:3.x'
kapt 'com.github.stephanenicolas.toothpick:toothpick-compiler:3.x'
//highly recommended
testImplementation 'com.github.stephanenicolas.toothpick:toothpick-testing-junit5:3.x'
testImplementation 'mockito or easymock'
}
For java:
<!--java setup with maven -->
<dependencies>
<dependency>
<groupId>com.github.stephanenicolas.toothpick</groupId>
<artifactId>toothpick-compiler</artifactId>
<version>3.x</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>com.github.stephanenicolas.toothpick</groupId>
<artifactId>toothpick-runtime</artifactId>
<version>3.x</version>
<scope>compile</scope>
</dependency>
<!-- highly recommended-->
<dependency>
<groupId>com.github.stephanenicolas.toothpick</groupId>
<artifactId>toothpick-testing</artifactId>
<version>3.x</version>
<scope>test</scope>
</dependency>
<dependency>
<easymock or mockito>
</dependency>
</dependencies>
TP is actively maintained and we provide support to questions via the Toothpick-di tag on Stack Over Flow.
Ask questions on Stack Over Flow while keeping the GitHub issue board for real issues. Thx in advance !
Visit Toothpick's wiki !
TP 1 & 3 have been developped by Stephane Nicolas and Daniel Molinero Reguera. Most of the effort on version 2 has been actively supported by Groupon. Thanks for this awesome OSS commitment !