Android Studio问题集锦

installation failed with message invalid file

1.点击工具栏上的Build中的Clean Project 

2.再点击工具栏上的Build中的Rebulid Projec

 

 

DELETE_FAILED_INTERNAL_ERROR Error while Installing APK

 

Android Studio > Settings> Build, Execution, Deployment > Instant Run > Uncheck : Enable Instant Run

 

 

Error running app: Default Activity Not Found

 

 

 

Caused by: libcore.io.GaiException: getaddrinfo failed: EAI_NODATA (No address associated with hostname)

网络权限的问题

<uses-permission android:name="android.permission.INTERNET" />

 

xxx is not an enclosing class

实例化A类的内部类，需要A类的实例

 

 

Field can be converted to a local varible

 

该变量可以用局部变量代替

 

 

Gradle sync failed: SDK location not found. Define location with sdk.dir in the local.properties file or with an ANDROID_HOME environment variable. Consult IDE log for more details (Help | Show Log)

 

1.local.properties中sdk路径

 

2.sdk版本

 

No static method getFont(Landroid/content/Context;ILandroid/util/TypedValue;ILandroid/widget/TextView;)

版本不一致，图中为app/build.gradle的内容划线处版本要一致

 

Debug出现：

Could not connect to remote process. Aborting debug session.

<manifest 
	xmlns:android="http://schemas.android.com/apk/res/android" 
	xmlns:tools="http://schemas.android.com/tools">
	<application 
		android:debuggable="true" 
		tools:ignore="HardcodedDebugMode">
	</application>		android:debuggable="true" 
		tools:ignore="HardcodedDebugMode">
	</application>

Error:error: resource android:attr/preserveIconSpacing is private.

将android:preserveIconSpacing改为preserveIconSpacing

资料来源：

https://*.com/questions/45865366/cardslib-error-resource-androidattr-foregroundinsidepadding-is-private-while-ta

 

Android studio 2.3小米系列手机调试Installation failed with message Failed to establish session

在开发者选项里 关闭MIUI优化！

 

Failed to load AppCompat ActionBar with unknown error.

在Theme.AppCompat.Light.DarkActionBar前面加上Base. 

 

 

 

Error:Could not determine the class-path for interface com.android.builder.model.AndroidProject.

https://blog.csdn.net/qq_21397217/article/details/65630730

 

修改了布局运行后没有效果.

后来发现是因为我那个布局文件有两个不同分辨率的版本，我改了那个没有被我那台平板识别的分辨率版本布局文件

 

android java.lang.IllegalStateException: System services not available to Activities before onCreate

 

使用new关键字实例化Activity类

 

java.lang.ClassCastException

类型转换错误，尝试将子类强制转换成父类，导致异常

 

all com.android.support libraries must use the exact same version specification

虑强制让所有模块都用相同的（25.2.0）支持库版本：

在app中的build.gradle中添加：

 

1. configurations.all {  
2.     resolutionStrategy.eachDependency { DependencyResolveDetails details ->  
3.         def requested = details.requested  
4.         if (requested.group == 'com.android.support') {  
5.             if (!requested.name.startsWith("multidex")) {  
6.                 details.useVersion '25.2.0'  
7.             }  
8.         }  
9.     }  
10. }  

Error:Error converting bytecode to dex

一、包重复

二、build本身的问题，可能是build缓存的问题，只需要clean下工程，然后在rebuild

 

 

 Error:Connection refused: connect

在gradle.properties中添加了代理，删掉即可

 

Android Studio 3.1控件无法显示在预览界面

更换APPThem

 

 jumpDrawablesToCurrentState(ViewGroup.java:5165)

 

将*inflater.inflate(R.layout.fragment_collect,**container**)*更改为*inflater.inflate(R.layout.fragment_collect,**null**)*