Error: "emulator-5554 disconnected! Cancelling activity launch'? [duplicate]

Possible Duplicate:

HelloAndroid]emulator-5554 disconnected! Cancelling 'com.example.helloandroid.HelloAndroid activity launch'!

i removed the Eclipse and than install it again and than run my program, it will run. but after some time this error came again emulator-5554 disconnected! Cancelling activity launch'!

i did not 开发者_如何学Pythonunderstand why it happens again and again....:( i had open devices as well

ya it is happening, for that just try to reset your adb by going to "DDMS" environment open "Devices" tab and in that top right corner you have "view menu" click on it you will get an option called "reset adb" just do that, may helps

Your Device may not have enough memory to install this .apk file. Your should Uninstall unnecessary application from settings > Manage Application > Click Uninstall onClicking Useless application and also clear data of that app. i had also follow the steps and change the environmental settings for java it helped me alot and now the cancellation of emulator had almost minimal. and my program is running do check this website http://www.mybringback.com/bringers/java-programming/the-basics/441/setting-up-jre-on-you-computer-so-you-can-begin-java-programming/