Something about EditText’s TextWatcher.
1 |
|
综合这三个方法,可以获取文本修改的各个部分:
beforeTextChanged 方法:
1 | sequence.subSequence(0,start); //修改区域之前的内容 |
1 | sequence.subSequence(start, start+count); //修改区域的新内容 |
Something about EditText’s TextWatcher.
1 |
|
综合这三个方法,可以获取文本修改的各个部分:
beforeTextChanged 方法:
1 | sequence.subSequence(0,start); //修改区域之前的内容 |
1 | sequence.subSequence(start, start+count); //修改区域的新内容 |