Android Detect Done Key Press for Onscreen Keyboard

Android detect Done key press for OnScreen Keyboard

Yes, it is possible:

editText = (EditText) findViewById(R.id.edit_text);

editText.setOnEditorActionListener(new TextView.OnEditorActionListener() {
    @Override
    public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
        if (actionId == EditorInfo.IME_ACTION_DONE) {
            // do your stuff here
        }
        return false;
    }
});

Note that you will have to import the following libraries:

import android.view.KeyEvent;
import android.view.inputmethod.EditorInfo;
import android.widget.TextView;

Android Use Done button on Keyboard to click button

You can use this one also (sets a special listener to be called when an action is performed on the EditText), it works both for DONE and RETURN:

max.setOnEditorActionListener(new OnEditorActionListener() {
        @Override
        public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
            if ((event != null && (event.getKeyCode() == KeyEvent.KEYCODE_ENTER)) || (actionId == EditorInfo.IME_ACTION_DONE)) {
                Log.i(TAG,"Enter pressed");
            }    
            return false;
        }
    });

Android trigger Done on KEYCODE_DONE?

One note regarding this item. I found the problem per se is not the KEYCODE_DONE button, as it works with specific programs, but the capability to make Google HTML browser react to it.

Otherwise, the following works perfectly fine:

sendKeyEvent(new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_ENTER));

Catch DONE key press from soft keyboard

I got it sorted, this code runs smoothly and it recognizes key press of DONE button from soft keyboard.

Layout file:

   <EditText
    android:id="@+id/editText1"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:imeOptions="actionDone"
    android:inputType="numberDecimal" />

   <Button
    android:id="@+id/button1"
    android:layout_width="80dp"
    android:layout_height="30dp"
    android:text="NEXT"
    android:textSize="10sp" />

</RelativeLayout>

.java file:

package com.example.drywallcalculator102v;

import android.app.Activity;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.inputmethod.EditorInfo;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.TextView.OnEditorActionListener;

public class FirstActivity extends Activity {

   private EditText editText;
   private Button btnNext;

   @Override
   public void onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);
       setContentView(R.layout.layout_firstactivity);

       btnNext = (Button) findViewById(R.id.button1);
       btnNext.setEnabled(false);

       editText = (EditText) findViewById(R.id.editText2);

       editText.setOnEditorActionListener(new OnEditorActionListener() {

           @Override
           public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
               // TODO Auto-generated method stub
               if (actionId == EditorInfo.IME_ACTION_DONE) {
                   // do your stuff here
                   btnNext.setEnabled(true);
               }
               return false;
           }
       });

   }

}

Android - Get keyboard key press

For handling hardware keys and Back key you could use dispatchKeyEvent(KeyEvent event) in your Activity

@Override
public boolean dispatchKeyEvent(KeyEvent event) {
    Log.i("key pressed", String.valueOf(event.getKeyCode()));
    return super.dispatchKeyEvent(event);
}

UPD: unfortunately you can't handle soft keyboard events (see Handle single key events), unless you develop your own custom keyboard (follow the link to learn how Creating input method).

How do I detect if software keyboard is visible on Android Device or not?

There is no direct way - see http://groups.google.com/group/android-platform/browse_thread/thread/1728f26f2334c060/5e4910f0d9eb898a where Dianne Hackborn from the Android team has replied. However, you can detect it indirectly by checking if the window size changed in #onMeasure. See How to check visibility of software keyboard in Android?.

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