错误集锦

Error:null value in entry: incrementalFolder=null

removing the .gradle directory in the root project directory will fix the problem.

将project最外层的.gradle删除（应该是红色的那个）。重新编译一下就可以了。

Unknown run configuration type AndroidRunConfigurationType解决方案

Android studio 运行之前的项目的时候发现在运行的那个图标上有个问号，点击运行弹窗提示“Unknown run configuration type AndroidRunConfigurationType”，细心的朋友会发现AS在右下角有提示，意思是说AS有一些插件被禁用 解决方法：打开AndroidStudio/Preferences/plugins发现右侧的插件好多都是红颜色的，而且默认勾选，你只需要都取消掉勾选，然后都再次勾选，最后点击下方的Apply就能重启插件，这个时候AS提示需要重启，点击确定即可。

解决gradle "Error:Cause: unable to find valid certification path to requested target"

这是由于app不信任我们的证书导致https会话失败。

下载证书 Mac电脑

第一步是要下载证书

去你程序要访问的网站，按option+command+j调出开发面板选择Security，点击View certificate（chrome浏览器）

导入证书

切换到jre的/lib/security/下,我的java_home配置在~/.bash_profile里

执行命令, 如果权限不够需要添加 sudo -alias是别名的意思

keytool -import -alias github -keystore /home/rokevin/setup/jdk1.8.0/jre/lib/security/cacerts -file /Users/xxx/Desktop/www.github.com.cer

库密钥口令输入：changeit

是否信任：Y

证书导入成功后查看证书，密钥仍然是changeit

keytool -list -keystore /home/rokevin/setup/jdk1.8.0/jre/lib/security/cacerts -alias github

导入成功后如果还是不行就重启电脑：）

推送相关问题

问题

Android4.4 umeng 报错 Could not find class 'com.umeng.message.SystemReceiver', referenced from method com.umeng.message.UmengRegistrar.register 问题

Android4.4 jpush 报错 Didn't find class "cn.jpush.android.service.DownloadProvider" on path:

解决

  1. 在app中的build.gradle中配置
android {
    defaultConfig {
        multiDexEnabled true
    }
}

  1. 在dependencies内加入compile ‘com.android.support:multidex:1.0.3’

  2. 在Application类重写attachBaseContext方法，设置MultiDex.install(this);

@Override
protected void attachBaseContext(Context base) {
  super.attachBaseContext(base);
  MultiDex.install(this);
}

解决“Error:No toolchains found in the NDK toolchains folder for ABI with prefix: mipsel-linux-android”

https://www.jianshu.com/p/ebc7ccbdb256

WARNING: API 'variantOutput.getProcessResources()' is obsolete and has been replaced with 'variantOutput.getProcessResourcesProvider()'. It will be removed at the end of 2019.

Error: Attribute application@appComponentFactory value=(androidx.core.app.CoreComponentFactory) from

https://www.jianshu.com/p/49ff4c7c1e29

android异常 More than one file was found with OS independent path 'META-INF/XXX'

需要在app.gradle文件里面android节点下添加这样的代码

packagingOptions {
    exclude 'META-INF/NOTICE'
    exclude 'META-INF/NOTICE.txt'
    exclude 'META-INF/LICENSE'
    exclude 'META-INF/LICENSE.txt'
    exclude 'META-INF/DEPENDENCIES'
}

Error: Static interface methods are only supported starting with Android N (--min-api 24)

错误原因：这是因为java8才支持静态接口方法的原因 解决办法：可以通过在app的build.gradle文件中配置使用java8编译：

android {
  ...
  compileOptions {
    sourceCompatibility JavaVersion.VERSION_1_8
    targetCompatibility JavaVersion.VERSION_1_8
  }
}

导入三方时出现： appComponentFactory 错误

https://blog.csdn.net/qq_34224268/article/details/83861897

Android Studio 3.0中mipmap-anydpi-v26是什么

https://www.jianshu.com/p/a361e9f5d44c

依赖包重复

gradlew -q app:dependencies

图标不显示问题

https://blog.csdn.net/jiruirui213/article/details/78527676

Didn't find class "android.support.v4.content.FileProvider" on path:

https://blog.csdn.net/fox_wei_hlz/article/details/78732907?utm_source=blogxgwz1

android8.0应用崩溃，报错： Only fullscreen opaque activities can request orientation

https://blog.csdn.net/starry_eve/article/details/82777160

https://blog.csdn.net/zhuhai__yizhi/article/details/79635810

这个好使:)
https://www.jianshu.com/p/d0d907754603

More than one file was found with OS independent path 'lib/x86/libc++_shared.so'

packagingOptions {
    pickFirst 'lib/x86/libc++_shared.so'
    pickFirst 'lib/x86_64/libc++_shared.so'
    pickFirst 'lib/armeabi-v7a/libc++_shared.so'
    pickFirst 'lib/arm64-v8a/libc++_shared.so'
    pickFirst 'lib/mips64/libc++_shared.so'
    pickFirst 'lib/mips/libc++_shared.so'
}
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Contributors: luokaiwen