Um TExtView custom que intercepta eventos de paste

gistfile1.java

package com.example.interceptedittext;

import android.content.Context;
import android.util.AttributeSet;
import android.widget.EditText;

/**
 * A TextView that supports true type fonts directly as a property in the XML.
 * 
 * @see CachedTrueTypeDelegate check for more details adding fonts
 */
public class InterceptEditText extends EditText {

	public InterceptEditText(Context context) {
		super(context);
	}

	public InterceptEditText(Context context, AttributeSet attrs, int defStyle) {
		super (context, attrs, defStyle);
	}

	public InterceptEditText(Context context, AttributeSet attrs) {
		super (context, attrs);
	}
	
	@Override
	public void setText(CharSequence text, BufferType type) {
		super.setText(text, type);
	}
	
	 /**
     * <p>This is where the "magic" happens.</p>
     * <p>The menu used to cut/copy/paste is a normal ContextMenu, which allows us to
     *  overwrite the consuming method and react on the different events.</p>
     * @see <a href="http://grepcode.com/file/repository.grepcode.com/java/ext/com.google.android/android/2.3_r1/android/widget/TextView.java#TextView.onTextContextMenuItem%28int%29">Original Implementation</a>
     */
    @Override
    public boolean onTextContextMenuItem(int id) {
        // Do your thing:
        boolean consumed = super.onTextContextMenuItem(id);
        // React:
        switch (id){
            case android.R.id.paste:
                onTextPaste();
                break;
        }
        return consumed;
    }

    /**
     * Text was pasted into the EditText.
     */
    public void onTextPaste(){
    	this.setText("ahh:"  +getText().toString());
    }
}

gistfile2.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <com.example.interceptedittext.InterceptEditText
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/hello_world" />
</RelativeLayout>