Manifest merger failed with multiple errors, see logs 问题处理

首先致谢: https://www.jianshu.com/p/a22c55a28064, 我们不生产代码, 我们只做大自然的搬运工!

一.【问题背景】项目导入第三方（OPPO 和魅族厂商推送）提供的aar 文件，报错

错误描述：Manifest merger failed with multiple errors, see logs

打开详细gradle报错日志，发现是执行任务processDebugManifest报错：

org.gradle.api.tasks.TaskExecutionException: Execution failed for task ':app:processDebugManifest'
Caused by: java.lang.RuntimeException: Manifest merger failed with multiple errors, see logs
    at com.android.builder.core.AndroidBuilder.mergeManifestsForApplication(AndroidBuilder.java:558)
    at com.android.build.gradle.tasks.ProcessApplicationManifest.doFullTaskAction(ProcessApplicationManifest.java:208)
    at com.android.build.gradle.internal.tasks.IncrementalTask.taskAction(IncrementalTask.java:106)

二. 【原因定位】使用命令查看更详细日志

gradlew processDebugManifest -stacktrace

详细日志：

uses-sdk:minSdkVersion 17 cannot be smaller than version 19 declared in library [:com.heytap.msp:] C:\Users\Mostone-0030\.gradle\caches\transforms-2\files-2.1\812e2e860b0bf2a7996e395481d6e5c9\AndroidManifest.xml as the library might be using APIs not availa
ble in 17
        Suggestion: use a compatible library with a minSdk of at most 17,
                or increase this project's minSdk version to at least 19,
                or use tools:overrideLibrary="com.heytap.mcssdk" to force usage (may lead to runtime failures)

See http://g.co/androidstudio/manifest-merger for more information about the manifest merger.

三. 【解决方案】

当我们项目Manefest的某些属性和第三方库中Manefest的属性有冲突会报上面的错误。
比如第三方库中也定义了icon、allowBackup等属性，且会与你的项目不同，则发生冲突，编译就会报错。
解决办法就是在我们项目的Application节点中加入tools:replace来替换三方库中的相关属性，如下：（根据实际情况）

<application
 ...
 tools:replace="android:allowBackup,android:icon">
 ...
 <uses-sdk tools:overrideLibrary="com.heytap.mcssdk,com.meizu.cloud.pushinternal" />

还有一种方案就是去掉第三方库中冲突的属性。

总结: 核心代码

使用命令查看更详细日志，快速定位bug 并解决

gradlew processDebugManifest -stacktrace

Manifest merger failed with multiple errors, see logs 问题处理

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