adb server version (32) doesn't match this client (39); killing...

查看本地的ADB版本：

E:\android\android-sdk-windows\platform-tools>adb version
Android Debug Bridge version 1.0.39
Version 0.0.1-4500957
Installed as E:\android\android-sdk-windows\platform-tools\adb.exe

adb server version (32) doesn't match this client (39); killing...

原来是驱动是.39，找一个老版本的.32就行了。

百度一下：adb 1.0.32。

找一个免费的替换就行了。 

Could not connect to remote process. Aborting debug session.解决办法

Android Studio 点debug时,出现

Could not connect to remote process. Aborting debug session.

解决办法

在manifest文件中添加
android:debuggable标签

举个栗子:

<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>