blocks|key|290105|text|使用java，您可以创建一个Java+Archive+(+jar+)，其中包含该库的所有类(*.class文件)，而jar文件就是您的库。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|290106|要使用它，只需将其添加到类路径中。|290107|(对于"jar“和"classpath"：基本的Java概念，请使用google查找教程，无论如何，您必须理解这些概念，越快越好;)|290108|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|H|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|I|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|J|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|G|$]]

With java, you create a Java Archive (jar) that contains all your classes (*.class files) of that library and the jar file is your library.

To use it, simply add it to the classpath.

(For "jar" and "classpath": basic Java concepts, please use google to find tutorials, you'll have to understand those concepts anyway, the sooner, the better ;) )

blocks|key|292987|text|你必须创建Android库项目。在Eclipse中创建安卓项目，输入project+Properties+->+android并选中isLibrary属性。现在，您可以将此库添加到Android应用程序项目中，方法是将其添加到同一属性页上的列表中。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|292988|使用库项目部分中的更详细的说明here|offset|length|292989|entityMap|0|LINK|mutability|MUTABLE|url|http://developer.android.com/tools/projects/projects-eclipse.html^0|0|F|4|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|O|8|@]|9|@$D|P|E|Q|1|R]]|A|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|A|$]]]|G|$H|$5|I|J|K|A|$L|M]]]]

You have to create Android Library Project.
Create android project in Eclipse, enter Project Properties -> Android and check isLibrary property. Now you can add this library to your Android Application project by adding it to list on the same property page.

More detailed instructions <a href="http://developer.android.com/tools/projects/projects-eclipse.html" rel="noreferrer">here</a> in Working with Library Projects section

blocks|key|293014|text|如果您的库位于由java代码组成的.java文件中。在mobile.tutsplus.com上有一个关于如何使用这个库的非常详细的教程。链接如下：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|293015|http://mobile.tutsplus.com/tutorials/android/android-essentials-creating-android-compliant-libraries/|offset|length|293016|例如，我想在Github.com+here+https://github.com/chrisbanes/Android-PullToRefresh/tree/master/library上使用克里斯班的Pull+to+Refresh库。该库的结构采用Android应用程序的形式。它的形式如下：|293017|res/
src/
AndroidManifest.xml
pom.xml
project.properties|code-block|syntax|javascript|293018|如何在上使用：|style|BOLD|293019|293020|在Eclipse中创建新项目。为您的项目命名。选择“从现有源代码创建项目”。在“位置”中选择包含上述文件的根文件夹的位置。选择您的目标并单击finish。|ordered-list-item|293021|选择您创建的新项目的属性。选择"Android“选项。选中"Is+Library“复选框(如果尚未选中)。关闭properties.|293022|Add，从将要使用该库的项目中引用该库。选择使用此库的项目。打开属性。选择"Android“选项。在底部的"Is+Library“上。不要选中"Is+Library“的复选框。点击右边的“添加”按钮。您在步骤1和2中创建的项目应该已列出，可供选择。选择它并单击apply。关闭properties.|293023|You're，准备引用项目中的类。|293024|293025|entityMap|0|LINK|mutability|MUTABLE|url|1|https://github.com/chrisbanes/Android-PullToRefresh/tree/master/library^0|0|0|2T|0|0|M|1Z|1|0|0|3|4|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|1A|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|1B|8|@]|9|@$D|1C|E|1D|1|1E]]|A|$]]|$1|F|3|G|5|6|7|1F|8|@]|9|@$D|1G|E|1H|1|1I]]|A|$]]|$1|H|3|I|5|J|7|1J|8|@]|9|@]|A|$K|L]]|$1|M|3|N|5|6|7|1K|8|@$D|1L|E|1M|O|P]]|9|@]|A|$]]|$1|Q|3|-4|5|6|7|1N|8|@]|9|@]|A|$]]|$1|R|3|S|5|T|7|1O|8|@]|9|@]|A|$]]|$1|U|3|V|5|T|7|1P|8|@]|9|@]|A|$]]|$1|W|3|X|5|T|7|1Q|8|@]|9|@]|A|$]]|$1|Y|3|Z|5|T|7|1R|8|@]|9|@]|A|$]]|$1|10|3|-4|5|6|7|1S|8|@]|9|@]|A|$]]|$1|11|3|-4|5|6|7|1T|8|@]|9|@]|A|$]]]|12|$13|$5|14|15|16|A|$17|C]]|18|$5|14|15|16|A|$17|19]]]]

If your library is in .java files composed of java code. There's a really detailed tutorial of how to use the library at mobile.tutsplus.com. Link below:

<a href="http://mobile.tutsplus.com/tutorials/android/android-essentials-creating-android-compliant-libraries/" rel="noreferrer">http://mobile.tutsplus.com/tutorials/android/android-essentials-creating-android-compliant-libraries/</a>

For Example I wanted to use the Pull To Refresh library by Chrisbanes at Github.com here <a href="https://github.com/chrisbanes/Android-PullToRefresh/tree/master/library" rel="noreferrer">https://github.com/chrisbanes/Android-PullToRefresh/tree/master/library</a>. The library's structure is in the form of an Android app. It has the form like below:

<pre><code>res/
src/
AndroidManifest.xml
pom.xml
project.properties
</code></pre>

How to use on Eclipse:

<ol>
<li>Create new project in Eclipse. Give a name to your project. Select
"Create project from existing source". Select the location of the
root folder containing the above mentioned files in "Location".
Select your target and click finish.</li>
<li>Select properties of the newly project you created. Select "Android"
option. Select the "Is Library" checkbox if it's not already
selected. close properties.</li>
<li>Add a reference to the library from the project that is going to use
this library. Select your project that uses this library. Open
Properties. Select "Android" option. At the bottom on the "Is
Library". Don't select checkbox of "Is Library". Click "Add" button
on the right. Your project that you created on step 1 and 2 should
be listed ready for selection. select it and click apply. close
properties.</li>
<li>You're ready to reference the classes from your project.</li>
</ol>

blocks|key|3227333|text|将所有类转换为Java并生成一个jar文件。在您的android项目中使用此jar，方法是复制到libs/文件夹，然后添加到构建路径。对项目进行清理，然后运行它。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3227334|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

Convert all of your class in Java and make a jar file. Use this jar in your android project by copying in libs/ folder and then adding in to build path. Make a clean of project and then run it.

blocks|key|3013331|text|Instructions+for+creating+a+library+in+Android+Studio：|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|3013332|3013333|创建库模块|blockquote|3013334|3013335|要在项目中创建新的库模块，请执行以下操作：|3013336|3013337|单击Android文件>新建>新建出现的|3013338|+Create+|ordered-list-item|style|BOLD|3013339|+Module窗口，单击Android+Library，然后单击Next。|3013340|3013341|还可以选择创建一个Java+Library，它构建一个传统的JAR文件。虽然JAR文件对许多项目都很有用--尤其是当您想要与其他平台共享代码时--但它不允许您包含Android资源或清单文件，这对于Android项目中的代码重用非常有用。因此，本指南将重点介绍如何为库创建Android+libraries.|3013342|Give名称，并为库中的代码选择最低版本，然后单击Finish.|unordered-list-item|3013343|
。|3013344|一旦Gradle项目同步完成，库模块就会出现在左侧的项目面板中。如果您没有看到新的模块文件夹，请确保它显示了Android+++view。|3013345|将应用程序模块转换为库模块|3013346|如果您有一个现有的应用程序模块，其中包含您想要重用的所有代码，则可以将其转换为库模块，如下所示：|3013347|3013348|打开模块级build.gradle文件。|CODE|3013349|删除applicationId所在的行。只有安卓应用程序模块可以定义这一点。|3013350|在文件的顶部，您应该看到以下内容：|3013351|3013352|apply+plugin:+'com.android.application'|3013353|将其更改为以下内容：|3013354|apply+plugin:+'com.android.library'|3013355|保存文件并单击Android工具>>将项目与Gradle文件同步。|3013356|entityMap|0|LINK|mutability|MUTABLE|url|https://developer.android.com/studio/projects/android-library.html|1|https://developer.android.com/studio/projects/index.html#ProjectFiles^0|0|1H|0|0|0|0|0|0|0|0|1|7|0|0|11|0|0|0|4A|0|0|W|0|1|1|0|0|1X|1I|E|1|0|0|D|0|0|1C|0|0|0|K|5|C|0|0|12|2|D|0|0|H|0|0|0|13|0|13|0|0|A|0|0|Z|0|Z|0|0|X|0^^$0|@$1|2|3|4|5|6|7|1Z|8|@]|9|@$A|20|B|21|1|22]]|C|$]]|$1|D|3|-4|5|6|7|23|8|@]|9|@]|C|$]]|$1|E|3|F|5|G|7|24|8|@]|9|@]|C|$]]|$1|H|3|-4|5|6|7|25|8|@]|9|@]|C|$]]|$1|I|3|J|5|6|7|26|8|@]|9|@]|C|$]]|$1|K|3|-4|5|6|7|27|8|@]|9|@]|C|$]]|$1|L|3|M|5|6|7|28|8|@]|9|@]|C|$]]|$1|N|3|O|5|P|7|29|8|@$A|2A|B|2B|Q|R]]|9|@]|C|$]]|$1|S|3|T|5|P|7|2C|8|@$A|2D|B|2E|Q|R]]|9|@]|C|$]]|$1|U|3|-4|5|6|7|2F|8|@]|9|@]|C|$]]|$1|V|3|W|5|6|7|2G|8|@$A|2H|B|2I|Q|R]]|9|@]|C|$]]|$1|X|3|Y|5|Z|7|2J|8|@$A|2K|B|2L|Q|R]]|9|@]|C|$]]|$1|10|3|11|5|6|7|2M|8|@$A|2N|B|2O|Q|R]]|9|@]|C|$]]|$1|12|3|13|5|6|7|2P|8|@$A|2Q|B|2R|Q|R]]|9|@$A|2S|B|2T|1|2U]]|C|$]]|$1|14|3|15|5|6|7|2V|8|@$A|2W|B|2X|Q|R]]|9|@]|C|$]]|$1|16|3|17|5|6|7|2Y|8|@$A|2Z|B|30|Q|R]]|9|@]|C|$]]|$1|18|3|-4|5|6|7|31|8|@]|9|@]|C|$]]|$1|19|3|1A|5|P|7|32|8|@$A|33|B|34|Q|R]|$A|35|B|36|Q|1B]]|9|@]|C|$]]|$1|1C|3|1D|5|P|7|37|8|@$A|38|B|39|Q|R]|$A|3A|B|3B|Q|1B]]|9|@]|C|$]]|$1|1E|3|1F|5|P|7|3C|8|@$A|3D|B|3E|Q|R]]|9|@]|C|$]]|$1|1G|3|-4|5|6|7|3F|8|@]|9|@]|C|$]]|$1|1H|3|1I|5|6|7|3G|8|@$A|3H|B|3I|Q|R]|$A|3J|B|3K|Q|1B]]|9|@]|C|$]]|$1|1J|3|1K|5|6|7|3L|8|@$A|3M|B|3N|Q|R]]|9|@]|C|$]]|$1|1L|3|1M|5|6|7|3O|8|@$A|3P|B|3Q|Q|R]|$A|3R|B|3S|Q|1B]]|9|@]|C|$]]|$1|1N|3|1O|5|6|7|3T|8|@$A|3U|B|3V|Q|R]]|9|@]|C|$]]|$1|1P|3|-4|5|6|7|3W|8|@]|9|@]|C|$]]]|1Q|$1R|$5|1S|1T|1U|C|$1V|1W]]|1X|$5|1S|1T|1U|C|$1V|1Y]]]]

<a href="https://developer.android.com/studio/projects/android-library.html" rel="nofollow noreferrer">Instructions for creating a library in Android Studio</a>: 

<blockquote>
 <h2>Create a library module</h2>
 
 To create a new library module in your project, proceed as follows:
 
 <ol>
 <li>Click File > New > New Module.</li>
 <li>In the Create New Module window that appears, click Android Library, then click Next.
 
 There's also an option to create a Java Library, which builds a traditional JAR file. While a JAR file is useful for many
 projects—especially when you want to share code with other
 platforms—it does not allow you to include Android resources or
 manifest files, which is very useful for code reuse in Android
 projects. So this guide focuses on creating Android libraries.</li>
 <li>Give your library a name and select a minimum SDK version for the code in the library, then click Finish.</li>
 </ol>
 
 Once the Gradle project sync completes, the library module appears in
 the Project panel on the left. If you don't see the new module
 folder, make sure it's displaying the <a href="https://developer.android.com/studio/projects/index.html#ProjectFiles" rel="nofollow noreferrer">Android
 view</a>.
 
 <h2>Convert an app module to a library module</h2>
 
 If you have an existing app module with all the code you want to
 reuse, you can turn it into a library module as follows:
 
 <ol>
 <li>Open the module-level <code>build.gradle</code> file.</li>
 <li>Delete the line for the <code>applicationId</code>. Only an Android app module can define this.</li>
 <li>At the top of the file, you should see the following: 
 
 <code>apply plugin: 'com.android.application'</code>
 
 Change it to the following:
 
 <code>apply plugin: 'com.android.library'</code>
 
 Save the file and click Tools > Android > Sync Project with Gradle
 Files.</li>
 </ol>
</blockquote>

blocks|key|3227487|text|如果您使用的是新的android+studio版本和gradle+7.0.3|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3227488|安卓工作室北极狐%7C+2020.3.1补丁3内部版本#AI-203.7717.56.2031.7784292，构建于2021年10月1日运行时版本:+11.0.10%2B0-b96-7249189+amd64+VM:甲骨文公司的OpenJDK+64位服务器VM+Windows10+10.0+GC:+G1年轻一代，G1老一代内存:+1280M内核:2注册表:+external.system.auto.import.disabled=true|3227489|创建模块|3227490|3227491|创建活动为空的新项目|ordered-list-item|3227492|单击文件->新的->新模块->，然后选择android库。|3227493|创建新模块后，可以为库添加java类或其他内容|3227494|3227495|将库导出到AAR文件|3227496|您可以查看this了解更多信息|offset|length|3227497|将库导出到jitpack.io|3227498|像这样设置这个文件|3227499|build.gradle+(项目)|style|BOLD|3227500|//+Top-level+build+file+where+you+can+add+configuration+options+common+to+all+sub-projects/modules.
buildscript+{
++++repositories+{
++++++++google()
++++++++mavenCentral()
++++++++maven+{+url+'https://jitpack.io'+}
++++++++maven+{+url+"https://plugins.gradle.org/m2/"+}
++++}
++++dependencies+{
++++++++classpath+'com.android.tools.build:gradle:7.0.3'
++++++++classpath+'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.5'
++++++++classpath+'com.github.dcendents:android-maven-gradle-plugin:2.0'

++++++++//+NOTE:+Do+not+place+your+application+dependencies+here;+they+belong
++++++++//+in+the+individual+module+build.gradle+files
++++}
}

task+clean(type:+Delete)+{
++++delete+rootProject.buildDir
}|code-block|syntax|javascript|3227501|build.gradle+(模块:app)|3227502|plugins+{
++++id+'com.android.application'
}

android+{
++++lintOptions+{
++++++++abortOnError+false
++++}
}

android+{
++++compileSdk+31

++++defaultConfig+{
++++++++minSdk+16
++++++++targetSdk+31
++++++++versionCode+1
++++++++versionName+"1.0"

++++++++testInstrumentationRunner+"androidx.test.runner.AndroidJUnitRunner"
++++}

++++buildTypes+{
++++++++release+{
++++++++++++minifyEnabled+false
++++++++++++proguardFiles+getDefaultProguardFile('proguard-android-optimize.txt'),+'proguard-rules.pro'
++++++++}
++++}
++++compileOptions+{
++++++++sourceCompatibility+JavaVersion.VERSION_1_8
++++++++targetCompatibility+JavaVersion.VERSION_1_8
++++}
}

dependencies+{

++++implementation+'androidx.appcompat:appcompat:1.4.0'
++++implementation+'com.google.android.material:material:1.4.0'
++++implementation+'androidx.constraintlayout:constraintlayout:2.1.2'
++++testImplementation+'junit:junit:4.13.2'
++++androidTestImplementation+'androidx.test.ext:junit:1.1.3'
++++androidTestImplementation+'androidx.test.espresso:espresso-core:3.4.0'
}|3227503|build.gradle+(模块:+YourLibraryName)|3227504|plugins+{
++++id+'com.android.library'
++++id+'maven-publish'
}

task+androidSourcesJar(type:+Jar)+{
++++classifier+'sources'
++++from+android.sourceSets.main.java.srcDirs
}

project.afterEvaluate+{
++++publishing+{
++++++++publications+{
++++++++++++release(MavenPublication)+{
++++++++++++++++groupId+'com.github.YourGithubUsername'
++++++++++++++++from+components.release
++++++++++++++++artifact+androidSourcesJar+//+optional+sources
++++++++++++}
++++++++}
++++}
}

android+{
++++compileSdk+31

++++defaultConfig+{
++++++++minSdk+16
++++++++targetSdk+31
++++++++versionCode+1
++++++++versionName+"1.0"

++++++++testInstrumentationRunner+"androidx.test.runner.AndroidJUnitRunner"
++++++++consumerProguardFiles+"consumer-rules.pro"
++++}

++++buildTypes+{
++++++++release+{
++++++++++++minifyEnabled+false
++++++++++++proguardFiles+getDefaultProguardFile('proguard-android-optimize.txt'),+'proguard-rules.pro'
++++++++}
++++}
++++compileOptions+{
++++++++sourceCompatibility+JavaVersion.VERSION_1_8
++++++++targetCompatibility+JavaVersion.VERSION_1_8
++++}
}

dependencies+{

++++implementation+'androidx.appcompat:appcompat:1.4.0'
++++implementation+'com.google.android.material:material:1.4.0'
++++testImplementation+'junit:junit:4.%2B'
++++androidTestImplementation+'androidx.test.ext:junit:1.1.3'
++++androidTestImplementation+'androidx.test.espresso:espresso-core:3.4.0'
}|3227505|在根项目中创建文件jitpack.yml+(YourProjectName+->+Gradle+->右键单击->新的->文件->将其命名为"+jitpack.yml“并将此代码放入jitpack.yml文件|3227506|jdk:
++-+openjdk11
before_install:
++-+chmod+%2Bx+gradlew
install:
#++-+./gradlew+build+:lib:publishToMavenLocal
++-+./gradlew+build+publishToMavenLocal|3227507|Share+your+project+to+Github|3227508|访问jitpack网站|3227509|按照this步骤上传库|3227510|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/questions/50267339/export-android-library-as-aar-file/50267507|1|https://stackoverflow.com/questions/37093723/how-to-add-an-android-studio-project-to-github|2|https://jitpack.io/|3|https://medium.com/@ome450901/publish-an-android-library-by-jitpack-a0342684cbd0^0|0|0|0|0|0|0|0|0|0|5|4|0|0|0|0|0|H|0|0|0|L|0|0|0|Y|0|0|0|0|0|S|1|0|2|7|2|0|2|4|3|0^^$0|@$1|2|3|4|5|6|7|23|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|24|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|25|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|26|8|@]|9|@]|A|$]]|$1|G|3|H|5|I|7|27|8|@]|9|@]|A|$]]|$1|J|3|K|5|I|7|28|8|@]|9|@]|A|$]]|$1|L|3|M|5|I|7|29|8|@]|9|@]|A|$]]|$1|N|3|-4|5|6|7|2A|8|@]|9|@]|A|$]]|$1|O|3|P|5|6|7|2B|8|@]|9|@]|A|$]]|$1|Q|3|R|5|6|7|2C|8|@]|9|@$S|2D|T|2E|1|2F]]|A|$]]|$1|U|3|V|5|6|7|2G|8|@]|9|@]|A|$]]|$1|W|3|X|5|6|7|2H|8|@]|9|@]|A|$]]|$1|Y|3|Z|5|6|7|2I|8|@$S|2J|T|2K|10|11]]|9|@]|A|$]]|$1|12|3|13|5|14|7|2L|8|@]|9|@]|A|$15|16]]|$1|17|3|18|5|6|7|2M|8|@$S|2N|T|2O|10|11]]|9|@]|A|$]]|$1|19|3|1A|5|14|7|2P|8|@]|9|@]|A|$15|16]]|$1|1B|3|1C|5|6|7|2Q|8|@$S|2R|T|2S|10|11]]|9|@]|A|$]]|$1|1D|3|1E|5|14|7|2T|8|@]|9|@]|A|$15|16]]|$1|1F|3|1G|5|6|7|2U|8|@]|9|@]|A|$]]|$1|1H|3|1I|5|14|7|2V|8|@]|9|@]|A|$15|16]]|$1|1J|3|1K|5|6|7|2W|8|@]|9|@$S|2X|T|2Y|1|2Z]]|A|$]]|$1|1L|3|1M|5|6|7|30|8|@]|9|@$S|31|T|32|1|33]]|A|$]]|$1|1N|3|1O|5|6|7|34|8|@]|9|@$S|35|T|36|1|37]]|A|$]]|$1|1P|3|-4|5|6|7|38|8|@]|9|@]|A|$]]]|1Q|$1R|$5|1S|1T|1U|A|$1V|1W]]|1X|$5|1S|1T|1U|A|$1V|1Y]]|1Z|$5|1S|1T|1U|A|$1V|20]]|21|$5|1S|1T|1U|A|$1V|22]]]]

If you're using new android studio version and gradle 7.0.3
Android Studio Arctic Fox | 2020.3.1 Patch 3
Build #AI-203.7717.56.2031.7784292, built on October 1, 2021
Runtime version: 11.0.10+0-b96-7249189 amd64
VM: OpenJDK 64-Bit Server VM by Oracle Corporation
Windows 10 10.0
GC: G1 Young Generation, G1 Old Generation
Memory: 1280M
Cores: 2
Registry: external.system.auto.import.disabled=true
<h1>Creating module</h1>
<ol>
<li>Create new project with empty activity</li>
<li>Click file -&gt; new -&gt; new module -&gt; and choose android library.</li>
<li>After new module created you can add java class or something for
your library</li>
</ol>
<h1>Export library to AAR file</h1>
You can check <a href="https://stackoverflow.com/questions/50267339/export-android-library-as-aar-file/50267507">this</a> for more information
<h1>Export library to jitpack.io</h1>
Set this file like this
build.gradle (project)
<pre><code>// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
 repositories {
 google()
 mavenCentral()
 maven { url 'https://jitpack.io' }
 maven { url &quot;https://plugins.gradle.org/m2/&quot; }
 }
 dependencies {
 classpath 'com.android.tools.build:gradle:7.0.3'
 classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.5'
 classpath 'com.github.dcendents:android-maven-gradle-plugin:2.0'

 // NOTE: Do not place your application dependencies here; they belong
 // in the individual module build.gradle files
 }
}

task clean(type: Delete) {
 delete rootProject.buildDir
}
</code></pre>
build.gradle (module:app)
<pre><code>plugins {
 id 'com.android.application'
}

android {
 lintOptions {
 abortOnError false
 }
}

android {
 compileSdk 31

 defaultConfig {
 minSdk 16
 targetSdk 31
 versionCode 1
 versionName &quot;1.0&quot;

 testInstrumentationRunner &quot;androidx.test.runner.AndroidJUnitRunner&quot;
 }

 buildTypes {
 release {
 minifyEnabled false
 proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
 }
 }
 compileOptions {
 sourceCompatibility JavaVersion.VERSION_1_8
 targetCompatibility JavaVersion.VERSION_1_8
 }
}

dependencies {

 implementation 'androidx.appcompat:appcompat:1.4.0'
 implementation 'com.google.android.material:material:1.4.0'
 implementation 'androidx.constraintlayout:constraintlayout:2.1.2'
 testImplementation 'junit:junit:4.13.2'
 androidTestImplementation 'androidx.test.ext:junit:1.1.3'
 androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
}
</code></pre>
build.gradle (module: YourLibraryName)
<pre><code>plugins {
 id 'com.android.library'
 id 'maven-publish'
}

task androidSourcesJar(type: Jar) {
 classifier 'sources'
 from android.sourceSets.main.java.srcDirs
}

project.afterEvaluate {
 publishing {
 publications {
 release(MavenPublication) {
 groupId 'com.github.YourGithubUsername'
 from components.release
 artifact androidSourcesJar // optional sources
 }
 }
 }
}

android {
 compileSdk 31

 defaultConfig {
 minSdk 16
 targetSdk 31
 versionCode 1
 versionName &quot;1.0&quot;

 testInstrumentationRunner &quot;androidx.test.runner.AndroidJUnitRunner&quot;
 consumerProguardFiles &quot;consumer-rules.pro&quot;
 }

 buildTypes {
 release {
 minifyEnabled false
 proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
 }
 }
 compileOptions {
 sourceCompatibility JavaVersion.VERSION_1_8
 targetCompatibility JavaVersion.VERSION_1_8
 }
}

dependencies {

 implementation 'androidx.appcompat:appcompat:1.4.0'
 implementation 'com.google.android.material:material:1.4.0'
 testImplementation 'junit:junit:4.+'
 androidTestImplementation 'androidx.test.ext:junit:1.1.3'
 androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
}
</code></pre>
Create file jitpack.yml in root project (YourProjectName -&gt; Gradle -&gt; right click -&gt; new -&gt; file -&gt; name it &quot;jitpack.yml&quot; and put this code to jitpack.yml file
<pre><code>jdk:
 - openjdk11
before_install:
 - chmod +x gradlew
install:
# - ./gradlew build :lib:publishToMavenLocal
 - ./gradlew build publishToMavenLocal
</code></pre>
<a href="https://stackoverflow.com/questions/37093723/how-to-add-an-android-studio-project-to-github">Share your project to Github</a>
Visit <a href="https://jitpack.io" rel="nofollow noreferrer">jitpack</a> website
Follow <a href="https://medium.com/@ome450901/publish-an-android-library-by-jitpack-a0342684cbd0" rel="nofollow noreferrer">this</a> step for upload your library

I am a Delphi programmer and have written, over the years, hundreds of classes and routines which I can use in every Delphi program I write.

This library is called dlib and can be used in every Delphi program by putting this folder in my library path and using one of the units in the uses section of a Delphi unit.

Being completely new to Java and Android development, I am wondering how to do this in similar way.

So my question, how can I write own classes, put them in some global folder, and use these classes and routines in every Android program I write ?

I know this is a basic question, which I can probably find out by searching Google and trying it out in Eclipse, but if someone can put me on the right track, I know I will save much time.

Thanks.

How to create your own library for Android development to be used in every program you write?

服务器

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Java

我是一名Delphi程序员，多年来，我已经编写了数百个类和例程，我可以在我编写的每个Delphi程序中使用它们。这个库被称为dlib，通过将这个文件夹放在我的库路径中，并使用Delphi单元的部分中的一个单元，就可以在每个程序中使用它。作为Java和Android开发的新手，我想知道如何以类似的方式做到这一点。我的问题...

问如何创建您自己的Android开发库，以便在您编写的每个程序中使用？
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