应用更改按钮变灰:Android Studio [英] Apply Changes Button Grayed out: Android Studio

问题描述

我已将项目的minSdkVersion设置为15并启用了Instant Run.
我已在运行于API 21的设备中部署了该应用程序 但是应用更改"按钮显示为灰色.当我将鼠标悬停在该按钮上时，它显示没有活动的'应用'启动"，尽管当时我正在设备中运行该应用.

I have set up my project's minSdkVersion as 15 and enabled Instant Run .
I have deployed the app in my device running on API 21 But the "Apply Changes" button is grayed out.When I hover over the button it says "No Active 'App' launch" although I am running the app in my device at that time .

推荐答案

默认情况下，首次安装Android Studio时，即时运行"处于禁用状态.因此，您需要通过以下路径启用它:-文件/设置/构建，执行，部署/InstantRun ，并选中启用InstantRun 复选框.

By default, Instant Run is disable when you first install Android Studio. So you need to enable it by following this path :- File/Settings/Build, Execution, Deployment/InstantRun and checked the Enable InstantRun check box.

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