android studio中的“应用更改"按钮已禁用(灰色) [英] Apply changes button in android studio is disabled(gray color)

问题描述

我将项目的minSdkVersion设置为19并启用Instant Run. 我已经在运行于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，它显示为"No Active 'App' launch"，尽管当时我正在设备中运行该应用程序.

I have set up my project's minSdkVersion as 19 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 .

android studio版本:2.3

android studio version : 2.3

gradle版本gradle:3.3

gradle version gradle : 3.3

推荐答案

启用应用更改"选项的步骤

Steps to enable Apply changes option

步骤1:从以下位置启用即时运行 Android Studio->首选项->构建，执行和部署->启用即时运行->应用->确定.

Step 1: Enable Instant run from Android Studio -> Preferences -> Build,Execution and Deployment ->Enable Instant Run -> Apply -> Ok.

第2步:检查minSdkversion应该比该版本和gradle版本大21.

Step 2: Check your minSdkversion should be 21 greater than that and gradle version.

第3步:启动您的应用程序，它将启用应用更改"图标/选项. :)

Step 3: Launch your application and it will enable apply changes icon/ option. :)

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