ZanyEditText.java
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package com.sunvote.xpadapp.base;
import android.content.Context;
import android.graphics.Color;
import android.text.Selection;
import android.text.Spannable;
import android.util.AttributeSet;
import android.view.KeyEvent;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputConnection;
import android.view.inputmethod.InputConnectionWrapper;
import android.widget.EditText;
import java.util.Random;
public class ZanyEditText extends EditText {
private Random r = new Random();
public ZanyEditText(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
public ZanyEditText(Context context, AttributeSet attrs) {
super(context, attrs);
}
public ZanyEditText(Context context) {
super(context);
}
public void setRandomBackgroundColor() {
setBackgroundColor(Color.rgb(r.nextInt(256), r.nextInt(256), r
.nextInt(256)));
}
@Override
public InputConnection onCreateInputConnection(EditorInfo outAttrs) {
return new ZanyInputConnection(super.onCreateInputConnection(outAttrs),
true);
}
private class ZanyInputConnection extends InputConnectionWrapper {
public ZanyInputConnection(InputConnection target, boolean mutable) {
super(target, mutable);
}
@Override
public boolean sendKeyEvent(KeyEvent event) {
if (event.getAction() == KeyEvent.ACTION_DOWN
&& event.getKeyCode() == KeyEvent.KEYCODE_DEL) {
// ZanyEditText.this.setRandomBackgroundColor();
String text = ZanyEditText.this.getText().toString();
if(text.length()>0){
ZanyEditText.this.setText(text.substring(0, text.length()-1));
CharSequence seqtext = ZanyEditText.this.getText();
if (seqtext instanceof Spannable) {
Spannable spanText = (Spannable)seqtext;
Selection.setSelection(spanText, seqtext.length());
}
}
// Un-comment if you wish to cancel the backspace:
// return false;
}
return super.sendKeyEvent(event);
}
}
}