Buck examples

.buckconfig.yaml

[buildfile]
  includes = //DEFS

android_library_with_remote_file.py

android_library(
  name = "my-libt",
  manifest = 'src/main/AndroidManifest.xml',
  deps = [':guava'],
)

android_support_library.py

def android_support_library(pkg):
    group, name, version = pkg.split(':', 3)
    id = name
    filename = name+'-'+version
    if os.path.isfile('libs/'+filename+".aar"):
        filename = filename+".aar"
        android_prebuilt_aar(
            name = id,
            aar = filename,
			visibility = ['PUBLIC'],
        )
    elif os.path.isfile('libs/'+filename+".jar"):
        filename = filename+".jar"
        prebuilt_jar(
            name = id,
            binary_jar = filename,
			visibility = ['PUBLIC'],
		)
    else:
        print 'could not locate support library '+pkg+' under '+filename

DEFS_support_libraries.py

android_support_library('com.android.support:support-annotations:23.1.0')
android_support_library('com.android.support:support-v4:23.1.0')
android_support_library('com.android.support:palette-v7:23.1.0')
android_support_library('com.android.support:appcompat-v7:23.1.0')
android_support_library('com.android.support:recyclerview-v7:23.1.0')

library_with_maven_rule.py

maven('guava', 'com.google.guava:guava:18.0')

android_library(
  name = "my-libt",
  manifest = 'src/main/AndroidManifest.xml',
  deps = [':guava'],
)

maven_rule.py

def mavensha1(group, name, version, ar):
    try:
        link = 'http://repo1.maven.org/maven2/{0}/{1}/{2}/{1}-{2}.{3}.sha1'.format(group.replace('.', '/'), name, version, ar)
        f = urllib.urlopen(link)
        cksum = f.read()
        int(cksum, 16) # will throw an error if cksum is not a hexadecimal string
        return cksum
    except ValueError:
        return None

def maven(id, pkg):
    group, name, version = pkg.split(':', 3)
    for ar in ['aar', 'jar']:
        cksum = mavensha1(group, name, version, ar)
        if cksum != None:
            if ar == 'aar':
                android_prebuilt_aar(
                    name = id,
                    aar = ':'+id+'-maven-aar',
                )
                remote_file(
                    name = id + '-maven-aar',
                    sha1 = cksum,
                    url = 'mvn:' + group + ':' + name + ':' + ar + ':' + version,
                    out = name + '.' + ar,
                )
            else:
                prebuilt_jar(
                    name = id,
                    binary_jar = ':' + id + '-maven-jar',
                    visibility = ['PUBLIC'],
                )
                remote_file(
                    name = id + '-maven-jar',
                    sha1 = cksum,
                    url = 'mvn:' + group + ':' + name + ':' + ar + ':' + version,
                    out = name + '.' + ar,
                )
            return
    print('Not found ' + pkg)

remote_file_jar.py

remote_file(
  name = 'guava',
  sha1 = '947641f6bb535b1d942d1bc387c45290',
  url = 'mvn:com.google.guava:guava:jar:18.0',
  out = 'guava.jar',
)

target_with_support_library.py

android_library(
  name = "my-lib",
  srcs = glob(['src/main/java/**/*.java']),
  manifest = 'src/main/AndroidManifest.xml',
  deps = ['//libs:support-annotations', '//libs:support-v4', '//libs:palette-v7', '//libs:appcompat-v7', '//libs:recyclerview-v7',
  visibility = ['PUBLIC']
)