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Any painless way to trigger the soft keyboard for EditText in dialogs?
原标题:

I am rendering an EditText as one element of a list-style AlertDialog (which is backed by the default ListView implementation). I sort of expected that this circumstance would not change the behavior of EditText, but it does: a click on the EditText does not spawn the soft keyboard anymore.

After an hour of messing around with focus settings and click handlers I got fed up and debugged into InputMethodManager.showSoftInput(), and found this:

    public boolean showSoftInput(View view, int flags,
        ResultReceiver resultReceiver) {
        ...
        if (mServedView != view && (mServedView == null
                || !mServedView.checkInputConnectionProxy(view))) {
            return false;
        }
        ...
    }
}

The problem here is that mServedView is the ListView that s backing the dialog, while view is the EditText, and ListView.checkInputConnectionProxy() does simply return false in the default implementation of ListView (to be overridden by subclasses).

Worse, I couldn t find a way to set a custom ListView which allows proxying IME requests; AlertDialog.Builder.setView() accepts a custom ListView, but this is not the ListView that InputMethodManager sees.

Any suggestions how to solve this?

问题回答

Have you tried something like this, apologies if you have

getBaseContext().getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);

let me preface this with a big fat I KNOW NOTHING ABOUT THE ANDROID SDK.

That being said I would suggest: write a requestKeyboard throwable. have your EditText throw the requestKeyboard. This way the ListView can handle the throwable, generate the keyboard, then return the input to the edit text. This way mServedView == view

I think.





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