產生java.io.IOException：</p> <p><a href="https://i.stack.imgur.com/1KhqU.png" rel="nofollow noreferrer">enter image description here</a></p> <p>：安裝APK

Question

我想我的設備上安裝我的項目，但我收到以下錯誤現有的連接被強行遠程主機關閉時出錯這是錯誤：

java.io.IOException: An existing connection was forcibly closed by the remote host Error while Installing APK

請幫我這一點，也可能有人告訴我關於R中的Java文件

Answer 1

run->cmd->your_android_sdk_path->platform-tools> 
Then write the below commands. 

adb kill-server - To kill the server forcefully 

adb start-server - To start the server 

UPDATED: 

F:\android-sdk-windows latest\platform-tools>adb kill-server 

F:\android-sdk-windows latest\platform-tools>adb start-server 
* daemon not running. starting it now on port 5037 * 
* daemon started successfully *