mac android monitor 打开空白问题

2019-01-24  本文已影响18人  璇_c2be

这个问题的原因是我mac上的jdk版本过高导致的,需要降低jdk的版本为jdk1.8.0_144

首先查看java版本: java -version

java version "1.8.0_191"

Java(TM) SE Runtime Environment (build 1.8.0_191-b12)

Java HotSpot(TM) 64-Bit Server VM (build 25.191-b12, mixed mode)

which java 查看java路径  :

/usr/bin/java

sudo vim /etc/profile

JAVA_HOME="/Library/Java/JavaVirtualMachines/jdk1.8.0_191.jdk/Contents/Home"

export JAVA_HOME

CLASS_PATH="$JAVA_HOME/bin"

PATH=".$PATH:$JAVA_HOME/bin"

现在想把java版本降低,下载路径:

https://pan.baidu.com/s/1H6v23ioix4zfoRu3Vh10Fg

先在电脑上删除旧的jdk,步骤如下:

Run this command to just remove the JDK

sudo rm -rf /Library/Java/JavaVirtualMachines/jdk<version>.jdk

Run these commands if you want to remove plugins

sudo rm -rf /Library/PreferencePanes/JavaControlPanel.prefPane

sudo rm -rf /Library/Internet\ Plug-Ins/JavaAppletPlugin.plugin

sudo rm -rf /Library/LaunchAgents/com.oracle.java.Java-Updater.plist

sudo rm -rf /Library/PrivilegedHelperTools/com.oracle.java.JavaUpdateHelper

sudo rm -rf /Library/LaunchDaemons/com.oracle.java.Helper-Tool.plist

sudo rm -rf /Library/Preferences/com.oracle.java.Helper-Tool.plist

安装新的jdk

安装好jdk之后,就开始配置环境变量了。

sudo vim /etc/profile

修改为如下

JAVA_HOME="/Library/Java/JavaVirtualMachines/jdk1.8.0_144.jdk/Contents/Home"

export JAVA_HOME

CLASS_PATH="$JAVA_HOME/lib"

PATH=".$PATH:$JAVA_HOME/bin"

执行source /etc/profile 

输入echo $JAVA_HOME,看到:

/Library/Java/JavaVirtualMachines/jdk1.8.0_144.jdk/Contents/Home

打开android studio,在file->project structure里面修改jdk location为上面的路径

然后打开你的/Users/username/Library/Android/sdk/tools里面的monitor.bat,就可以看到android device monitor 界面了.

但是进入之后又遇到一个新问题:

弹出could-not-open-selected-vm-debug-port-8700

解决办法:
在android device monitor中的window-》prefrence-》ddms中将base local debgger port 改成8601,

check use adbhost 

确保底下的值是127.0.0.1

参考:https://stackoverflow.com/questions/4045645/eclipse-android-could-not-open-selected-vm-debug-port-8700

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