How can I simulate a touch screen tap on android?

[Dhanesh]

Hi,

I would like to simulate a mouse pointer(touch screen tap) in my
android ?

The concept is as follows:
There will have an application which sends the (x,y) coordinates to a
running daemon. The daemon should be able generate(simulate) a tap at
the corresponding
point on the touch screen.

Has anyone done such kind of developments? Which part of android
codebase I will have to look into?

Any inputs on this will be greatly appreciated.

Regards,
Dhanesh

[Mike Playle]

On Thu, 2010-12-02 at 01:12 -0800, Dhanesh wrote:
> Hi,
>
> I would like to simulate a mouse pointer(touch screen tap) in my
> android ?

If you're injecting into your own application, there's a method
'injectPointerEvent()' in android.view.IWindowManager that might
do what you want.

I don't think you can use it to inject into other processes though.

Mike

[albert jordan]

It depends what you are trying to do.

I used Robotium, which is a testing framework for Android, to generate touch events to do a range of things from testing to automated provisioning of the app.

http://code.google.com/p/robotium/wiki/Getting_Started

Albert

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[Dhanesh]

Hi Mike,
Thanks for the answer.

I actually wanted to inject it to all the applications. Or more
specifically to the application in focus.
Can I do something in the framework source to achieve this ?


Btw, I tried to use the injectPointerEvent as u said,
But it showed "import android.view.IWindowManager cannot be resolved"
error..

Any Idea?

[Machiry]

Monkey does exactly what you want.

you can refer its sources in your android enlistment:@ development/cmds/monkey/src/com/android/commands/monkey

The exact code that injects using WindowManager is @: development/cmds/monkey/src/com/android/commands/monkey/MonkeyMotionEvent.java

-Machiry

[Emrah Yilmaz]

Hi Machiry,

Is there a sample that i can follow? It looks complicated.

BR

[Emrah Yilmaz]

By the way it does it from adb, i need to generate touch events from inside the applicaiton.

On Saturday, October 20, 2012 9:05:58 PM UTC+3, Machiry wrote:

[Machiry]

adb is just used to launch monkey.

as mentioned earlier : Monkey uses WindowManager to inject the event.

Complete and simple example refer : frameworks/base/cmds/input/src/com/android/commands/input/Input.java

To Create Motion Event refer: http://stackoverflow.com/questions/5867059/android-how-to-create-a-motionevent

     Note: for meta sate you can set it as 0 , unless you have to inject along with modifiers: http://developer.android.com/reference/android/view/MotionEvent.html#getMetaState()

Sample Code:

 IWindowManager mWm = IWindowManager.Stub.asInterface(ServiceManager.getService("window"));

  //MotionEvent m = MotionEvent.obtain() //Refer the link above

   mWm.injectPointerEvent(m, false);