blocks|key|145451|text|基于此info|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|145452|库项目中的|145453|+ApplicationId|blockquote|145454|145455|不能使用applicationId自定义库项目的包。包名必须在库项目中固定(并在清单中指定为packageName+)。Gradle插件之前并没有强制执行这一限制。|145456|145457|从库的build.gradle文件中删除applicationId变量应该可以解决此问题。|style|CODE|145458|entityMap|0|LINK|mutability|MUTABLE|url|http://tools.android.com/tech-docs/new-build-system/migrating-to-1-0-0^0|3|4|0|0|0|0|0|0|0|3|C|0^^$0|@$1|2|3|4|5|6|7|Y|8|@]|9|@$A|Z|B|10|1|11]]|C|$]]|$1|D|3|E|5|6|7|12|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|13|8|@]|9|@]|C|$]]|$1|I|3|-4|5|6|7|14|8|@]|9|@]|C|$]]|$1|J|3|K|5|6|7|15|8|@]|9|@]|C|$]]|$1|L|3|-4|5|6|7|16|8|@]|9|@]|C|$]]|$1|M|3|N|5|6|7|17|8|@$A|18|B|19|O|P]]|9|@]|C|$]]|$1|Q|3|-4|5|6|7|1A|8|@]|9|@]|C|$]]]|R|$S|$5|T|U|V|C|$W|X]]]]

Based on this <a href="http://tools.android.com/tech-docs/new-build-system/migrating-to-1-0-0" rel="noreferrer">info</a>:
<blockquote>
ApplicationId in Library Projects
You cannot use applicationId to customize the package of a library project. The package name has to be fixed in library projects (and specified as packageName in the manifest). The Gradle plugin did not enforce this restriction earlier.
</blockquote>
Removing applicationId variable from the library's <code>build.gradle</code> file should resolve the issue.

blocks|key|2931220|text|感谢乔尔的正确回答：我只需要从.gradle文件中删除一行：|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|CODE|entityRanges|data|2931221|defaultConfig+{
++++++++applicationId+"com.super.app"+++<----+remove+this+line
++++++++minSdkVersion+15
++++++++targetSdkVersion+19
++++++++versionCode+1
++++++++versionName+"1.0"
++++}|code-block|syntax|javascript|2931222|变成了|2931223|defaultConfig+{
++++++++minSdkVersion+15
++++++++targetSdkVersion+19
++++++++versionCode+1
++++++++versionName+"1.0"
++++}|2931224|还有我的AndroidManifest.xml|2931225|+<manifest+xmlns:android="http://schemas.android.com/apk/res/android"
++++++++xmlns:tools="http://schemas.android.com/tools"
++++++++package="com.super.app">
...|2931226|如果您不需要重命名应用程序的包名，这是正确的解决方案。要重命名它，你需要使用"flavours"：|2931227|android+{
+++...
+++productFlavors+{
+++++++flavor1+{
+++++++++++applicationId+'com.super.superapp'
+++++++}
+++}|2931228|entityMap^0|0|A|F|7|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Z|8|@$9|10|A|11|B|C]|$9|12|A|13|B|D]]|E|@]|F|$]]|$1|G|3|H|5|I|7|14|8|@]|E|@]|F|$J|K]]|$1|L|3|M|5|6|7|15|8|@]|E|@]|F|$]]|$1|N|3|O|5|I|7|16|8|@]|E|@]|F|$J|K]]|$1|P|3|Q|5|6|7|17|8|@]|E|@]|F|$]]|$1|R|3|S|5|I|7|18|8|@]|E|@]|F|$J|K]]|$1|T|3|U|5|6|7|19|8|@]|E|@]|F|$]]|$1|V|3|W|5|I|7|1A|8|@]|E|@]|F|$J|K]]|$1|X|3|-4|5|6|7|1B|8|@]|E|@]|F|$]]]|Y|$]]

Thanks to Joel for his correct answer: I need to remove only 1 line from te <code>.gradle</code> file:

<pre><code>defaultConfig {
 applicationId "com.super.app" &lt;---- remove this line
 minSdkVersion 15
 targetSdkVersion 19
 versionCode 1
 versionName "1.0"
 }
</code></pre>

becomes

<pre><code>defaultConfig {
 minSdkVersion 15
 targetSdkVersion 19
 versionCode 1
 versionName "1.0"
 }
</code></pre>

and my AndroidManifest.xml

<pre><code> &lt;manifest xmlns:android="http://schemas.android.com/apk/res/android"
 xmlns:tools="http://schemas.android.com/tools"
 package="com.super.app"&gt;
...
</code></pre>

This is the right solution if you don't need to rename the package name of your app. To rename it you need to use "flavours":

<pre><code>android {
 ...
 productFlavors {
 flavor1 {
 applicationId 'com.super.superapp'
 }
 }
</code></pre>

blocks|key|2931368|text|只是为了以防万一：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2931369|当我将一个eclipse项目导入到android+studio时，我得到了一个错误:：|2931370|“错误:应用程序和测试应用程序id不能相同”|offset|length|style|BOLD|2931371|虽然很奇怪，但我查看了build.gradle，发现了两个占位符，一个用于应用程序，另一个用于测试应用程序。|2931372|我根据这篇文章的建议删除了testApplicationId，这帮助我解决了这个问题。|2931373|注意:此解释与此问题中发布的错误无关，但可能会对遇到类似错误的人有所帮助。|2931374|entityMap^0|0|0|0|M|0|0|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|S|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|T|8|@$F|U|G|V|H|I]]|9|@]|A|$]]|$1|J|3|K|5|6|7|W|8|@]|9|@]|A|$]]|$1|L|3|M|5|6|7|X|8|@]|9|@]|A|$]]|$1|N|3|O|5|6|7|Y|8|@]|9|@]|A|$]]|$1|P|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|Q|$]]

Just incase it helps some one :

When i imported an eclipse project into android studio,i got an error ::

"Error:Application and test application id cannot be the same"

Strange though,but i looked into the build.gradle and found the two placeholders,one for the application and other for testapplication.

I removed the testApplicationId from that as is suggested in this post and this helped me resolve the issue.

Note: This explaination is not related to the errors posted in this question,but might help someone who is getting a similar error.

blocks|key|145548|text|不能为您的库定义applicationId。但是如果你想在你的构建文件中使用一个标识符，它将提供你的库包名称，你可以为模块定义一个变量，然后根据需要使用这个值。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|145549|例如:库的build.gradle|145550|apply+plugin:+'com.android.library'

def+libraryGroupId+=+'com.google.example'
def+libraryArtifactId+=+project.getName()
def+libraryVersion+=+'1.1'|code-block|syntax|javascript|145551|此外，您还可以根据需要在lib的构建文件本身中使用下面的值。|145552|android+{
compileSdkVersion+28

defaultConfig+{
++++minSdkVersion+21
++++targetSdkVersion+28
++++versionCode+1
++++versionName+"$libraryVersion"
++++resValue+"string",+"Library",+libraryGroupId"
+}
}|145553|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|P|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|Q|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|R|8|@]|9|@]|A|$]]|$1|K|3|L|5|F|7|S|8|@]|9|@]|A|$G|H]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

You cannot define applicationId for your lib.
But incase you want to use an identifier in your build file, which will give you, your library package name, you can define a variable for the module and then use the value as required.

eg : Library's build.gradle

<pre><code>apply plugin: 'com.android.library'

def libraryGroupId = 'com.google.example'
def libraryArtifactId = project.getName()
def libraryVersion = '1.1'
</code></pre>

Also, you can use the value below as needed in your build file itself in lib.

<pre><code>android {
compileSdkVersion 28

defaultConfig {
 minSdkVersion 21
 targetSdkVersion 28
 versionCode 1
 versionName "$libraryVersion"
 resValue "string", "Library", libraryGroupId"
 }
}
</code></pre>

blocks|key|141888|text|库不能设置applicationId，如果您在一个多模块项目中工作，并从一个单独的文件中提取flavors，那么上述答案都不会起作用。对于模块化的应用程序，您需要执行以下步骤：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|141889|在项目根目录中创建flavors.gradle文件|141890|+ext.flavorConfig+=+{+//+1
++++
++++++++flavorDimensions+"pricing"
++++++++productFlavors+{
++++++++++++free+{
++++++++++++++++dimension+"pricing"
++++++++++++++++ext.myApplicationIdSuffix+=+'.free'+//+2
++++++++++++}
++++++++++++paid+{
++++++++++++++++dimension+"pricing"
++++++++++++++++ext.myApplicationIdSuffix+=+'.paid'
++++++++++++}
++++++++}
++++
++++++++productFlavors.all+{+flavor+->+//+3
++++++++++++if+(flavor.hasProperty('myApplicationIdSuffix')+&&+isApplicationProject())+{
++++++++++++++++flavor.applicationIdSuffix+=+flavor.myApplicationIdSuffix
++++++++++++}
++++++++}
++++
++++}
++++
++++def+isApplicationProject()+{+//+4
++++++++return+project.android.class.simpleName.startsWith('BaseAppModuleExtension')
+++++
++++}|code-block|syntax|javascript|141891|141892|在1中，我们导出一个闭包，这样我们就可以在模块的build.gradle文件中使用它。|unordered-list-item|141893|在2中，我们定义了一个自定义的myApplicationIdSuffix属性。我们不能简单地使用applicationIdSuffix，因为它不可能在库模块中使用(如果这样做了，构建将失败)。|141894|在3中，我们迭代创建的风格，如果我们检测到它只是一个应用程序模块，则设置applicationIdSuffix。|141895|4是一种检查此闭包被使用的位置的方法。|141896|141897|剩下的就是在我们的模块的build.gradle文件中使用这个闭包了。例如，在应用程序模块中，这将如下所示：|141898|apply+plugin:+'com.android.application'
apply+from:+"${rootProject.projectDir}/flavors.gradle"

android+{
++++//+other+config...

++++with+flavorConfig
}|141899|如果这一点不清楚，您可以查看this+article以更好地了解它。|141900|entityMap|0|LINK|mutability|MUTABLE|url|https://medium.com/stepstone-tech/modularizing-your-flavored-android-project-5db75c59fb0d^0|5|D|1A|7|0|9|E|0|0|0|0|0|0|0|0|C|C|0|0|E|C|0|0^^$0|@$1|2|3|4|5|6|7|1B|8|@$9|1C|A|1D|B|C]|$9|1E|A|1F|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|1G|8|@$9|1H|A|1I|B|C]]|D|@]|E|$]]|$1|H|3|I|5|J|7|1J|8|@]|D|@]|E|$K|L]]|$1|M|3|-4|5|6|7|1K|8|@]|D|@]|E|$]]|$1|N|3|O|5|P|7|1L|8|@]|D|@]|E|$]]|$1|Q|3|R|5|P|7|1M|8|@]|D|@]|E|$]]|$1|S|3|T|5|P|7|1N|8|@]|D|@]|E|$]]|$1|U|3|V|5|P|7|1O|8|@]|D|@]|E|$]]|$1|W|3|-4|5|6|7|1P|8|@]|D|@]|E|$]]|$1|X|3|Y|5|6|7|1Q|8|@$9|1R|A|1S|B|C]]|D|@]|E|$]]|$1|Z|3|10|5|J|7|1T|8|@]|D|@]|E|$K|L]]|$1|11|3|12|5|6|7|1U|8|@]|D|@$9|1V|A|1W|1|1X]]|E|$]]|$1|13|3|-4|5|6|7|1Y|8|@]|D|@]|E|$]]]|14|$15|$5|16|17|18|E|$19|1A]]]]

Libraries can't set <code>applicationId</code> and if you are working in a multi-module project and picking up <code>flavors</code> from a separate file , none of the above answers will work. For a modularized app, you need the following steps -
Create a <code>flavors.gradle</code> file in project root directory
<pre><code> ext.flavorConfig = { // 1
 
 flavorDimensions &quot;pricing&quot;
 productFlavors {
 free {
 dimension &quot;pricing&quot;
 ext.myApplicationIdSuffix = '.free' // 2
 }
 paid {
 dimension &quot;pricing&quot;
 ext.myApplicationIdSuffix = '.paid'
 }
 }
 
 productFlavors.all { flavor -&gt; // 3
 if (flavor.hasProperty('myApplicationIdSuffix') &amp;&amp; isApplicationProject()) {
 flavor.applicationIdSuffix = flavor.myApplicationIdSuffix
 }
 }
 
 }
 
 def isApplicationProject() { // 4
 return project.android.class.simpleName.startsWith('BaseAppModuleExtension')
 
 }
</code></pre>
<ul>
<li>In 1 we export a closure so that we can use it in our modules’ build.gradle files.</li>
<li>In 2 we define a custom myApplicationIdSuffix property. We cannot simply have applicationIdSuffix as it is not possible to use it in library modules (build would fail if you did).</li>
<li>In 3 we iterate over created flavors and set applicationIdSuffix if we detect that it’s an application module only.</li>
<li>4 is a way to check where this closure is being used.</li>
</ul>
All that’s left is to use this closure in our modules’ <code>build.gradle</code> files. E.g. in application module this would look like this:
<pre><code>apply plugin: 'com.android.application'
apply from: &quot;${rootProject.projectDir}/flavors.gradle&quot;

android {
 // other config...

 with flavorConfig
}
</code></pre>
If this isn't clear, you can check out <a href="https://medium.com/stepstone-tech/modularizing-your-flavored-android-project-5db75c59fb0d" rel="nofollow noreferrer">this article</a> for better understanding.

After updating Android Studio to 1.0, I see this error:

<blockquote>
 Error: Library projects cannot set applicationId. applicationId is set
 to 'com.super.app' in default config.
</blockquote>

I updated the Gradle plugin as suggested but I did not understand how to fix this.

Android Studio 1.0 and error "Library projects cannot set applicationId"

Android Studio

Android

在将Android Studio更新到1.0之后，我看到了这个错误：错误:库项目无法设置applicationId。在默认配置中，applicationId设置为'com.super.app‘。我按照建议更新了Gradle插件，但我不知道如何修复这个问题。

问Android Studio1.0和错误“库项目无法设置applicationId”
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