1 editText.addTextChangedListener(new TextWatcher(){
2
3 public void afterTextChanged(Editable s) {
4 // TODO Auto-generated method stub
5 //s:变化后的所有字符
6 Toast.makeText(getApplicationContext(), "变化:"+s, Toast.LENGTH_SHORT).show();
7 }
8
9 public void beforeTextChanged(CharSequence s, int start, int count,
10 int after) {
11 // TODO Auto-generated method stub
12 //s:变化前的所有字符； start:字符开始的位置； count:变化前的总字节数；after:变化后的字节数
13 Toast.makeText(getApplicationContext(), "变化前:"+s+";"+start+";"+count+";"+after, Toast.LENGTH_SHORT).show();
14 }
15
16 public void onTextChanged(CharSequence s, int start, int before,
17 int count) {
18 // TODO Auto-generated method stub
19 //S：变化后的所有字符；start：字符起始的位置；before: 变化之前的总字节数；count:变化后的字节数
20 Toast.makeText(getApplicationContext(), "变化后:"+s+";"+start+";"+before+";"+count, Toast.LENGTH_SHORT).show();
21 }
22 });
