如何用Java开发自定义Gradle插件
我正在尝试使用Java(而不是Groovy)开发一个定制的Gradle插件 我使用这个Groovy插件作为指南如何用Java开发自定义Gradle插件,java,android,gradle,android-gradle-plugin,gradle-plugin,Java,Android,Gradle,Android Gradle Plugin,Gradle Plugin,我正在尝试使用Java(而不是Groovy)开发一个定制的Gradle插件 我使用这个Groovy插件作为指南 @Override void apply(Project project) { def hasApp = project.plugins.withType(AppPlugin) def hasLib = project.plugins.withType(LibraryPlugin) if (!hasApp &&am
@Override
void apply(Project project) {
def hasApp = project.plugins.withType(AppPlugin)
def hasLib = project.plugins.withType(LibraryPlugin)
if (!hasApp && !hasLib) {
throw new IllegalStateException("'android' or 'android-library' plugin required.")
}
final def log = project.logger
final def variants
if (hasApp) {
variants = project.android.applicationVariants
} else {
variants = project.android.libraryVariants
}
project.dependencies {
debugCompile 'com.jakewharton.hugo:hugo-runtime:1.2.2-SNAPSHOT'
// TODO this should come transitively
debugCompile 'org.aspectj:aspectjrt:1.8.6'
compile 'com.jakewharton.hugo:hugo-annotations:1.2.2-SNAPSHOT'
}
project.extensions.create('hugo', HugoExtension)
variants.all { variant ->
if (!variant.buildType.isDebuggable()) {
log.debug("Skipping non-debuggable build type '${variant.buildType.name}'.")
return;
} else if (!project.hugo.enabled) {
log.debug("Hugo is not disabled.")
return;
}
JavaCompile javaCompile = variant.javaCompile
javaCompile.doLast {
String[] args = [
"-showWeaveInfo",
"-1.5",
"-inpath", javaCompile.destinationDir.toString(),
"-aspectpath", javaCompile.classpath.asPath,
"-d", javaCompile.destinationDir.toString(),
"-classpath", javaCompile.classpath.asPath,
"-bootclasspath", project.android.bootClasspath.join(File.pathSeparator)
]
log.debug "ajc args: " + Arrays.toString(args)
MessageHandler handler = new MessageHandler(true);
new Main().run(args, handler);
for (IMessage message : handler.getMessages(null, true)) {
switch (message.getKind()) {
case IMessage.ABORT:
case IMessage.ERROR:
case IMessage.FAIL:
log.error message.message, message.thrown
break;
case IMessage.WARNING:
log.warn message.message, message.thrown
break;
case IMessage.INFO:
log.info message.message, message.thrown
break;
case IMessage.DEBUG:
log.debug message.message, message.thrown
break;
}
}
}
}
}
}
我开发这个是为了检查Android应用程序/Android库
final PluginCollection hasAndroidAppPlugin = project.getPlugins().withType(AppPlugin.class);
final PluginCollection hasAndroidLibraryPlugin = project.getPlugins().withType(LibraryPlugin.class);
if (hasAndroidAppPlugin.isEmpty() & hasAndroidLibraryPlugin.isEmpty()) {
throw new IllegalStateException("'android' or 'android-library' plugin required.");
}
这是用来设置依赖项的
final DependencyHandler dependencyHandler = project.getDependencies();
dependencyHandler.add("debugCompile", "com.example.perspective:perspective-runtime:0.0.1");
dependencyHandler.add("debugCompile", "org.aspectj:aspectjrt:1.8.10.3");
如何使用Java实现以下功能
我一直在尝试识别“变体”,例如应用程序变体/库变体
if (hasApp) {
variants = project.android.applicationVariants
} else {
variants = project.android.libraryVariants
}
免责声明:我熟悉Gradle,而不是Android 我猜
android
属性是一个扩展对象。看到和
如果你把这个println放到android版本中
println "${project.android.class.name}"
您将看到扩展对象是什么类型。那你就可以了
AndroidModel aModel = getProject().getExtensions().getByType(AndroidModel.class)
我在这里使用的是AndroidModel
,您将用上面println中打印的内容替换它
你也可以这样做
Object aModel = getProject().getExtensions().getByName("android");
System.out.println(aModel.getClass().getName());
当我尝试这个“final Object obj=project.android.getApplicationVariants();”时,你试过project.android.getApplicationVariants()了吗?我的IDE不喜欢“android”,它说它无法使用“project.getAndroid().getApplicationVariants()”解析symbolTry
project.getAndroid().getApplicationVariants()gives无法解析方法“getAndroid()”,我只是猜测,但我认为Lance提供了一个有效的解决方案。println给出了“com.android.build.gradle.AppExtension_Decorated”,我使用了“import com.android.build.gradle.AppExtension;”,AppExtension允许我调用最终对象obj=AppExtension.getApplicationVariants();