Hi Hardy,
Did you ever find a solution for this? I also have a signed app with
INJECT_EVENTS permissions, and I want to be able to send any character
(English or otherwise) on to various EditText fields, based on external
input.
On Tuesday, May 29, 2012 3:06:43 AM UTC-5, Hardy Kahl wrote:
>
> I am programming on a remote control app. One of the tasks I am facing
> is injecting characters. The code I am currently using looks like
> this:
>
> Instrumentation instr = new Instrumentation();
>
> String str="a";
>
> // basically the same like calling instr.sendStringSync(str);
> char[] chars = str.toCharArray();
> KeyCharacterMap keyCharacterMap =
> KeyCharacterMap.load(KeyCharacterMap.VIRTUAL_KEYBOARD);
> KeyEvent[] keyEvents = m_KeyCharacterMap.getEvents(chars);
> if (keyEvents != null) {
> for (KeyEvent kev : keyEvents) {
> instr.sendKeySync(kev);
> }
> }
>
> That works perfectly on english characters (The characters show up in
> EditText boxes). However, if I am trying to inject e.g. korean
> characters, this fails. The function getEvents returns null, even when
> I have configured korean language and keyboard.
>
> I know there is another mehtod for injecting strings directly:
>
> KeyEvent event = new KeyEvent(SystemClock.uptimeMillis(), str, 0, 0);
> instr.sendKeySync(event);
>
> This is not working either - no characters shown in EditText boxes,
> and onKeyMultiple() is not called either in my test activity.
>
> This is strange since dispatchKeyEvent() with the same event works in
> my test activity:
>
> KeyEvent event = new KeyEvent(SystemClock.uptimeMillis(), str, 0, 0);
> dispatchKeyEvent(event);
>
> I believe injecting the string directly is the correct way. However,
> using instrumentation it looks like the event is discarded somewhere
> in Android.
>
> The reason why I am not using dispatchKeyEvent is that I have to
> inject events no matter which activity is in front, even it is not my
> own activity. I think that is not possible using dispatchKeyEvent, is
> it?
> Using Instrumentation this is possible. At least with english
> characters. (My app is signed with the platform key and I've got the
> permission INJECT_EVENTS).
>
> How am I supposed to inject non-english characters? Any ideas? I ran
> out of ideas :(
>
> Best Regards,
> Hardy Kahl
>
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