我的 on key 监听器有问题,我已经在这里完全解释了Unable to get line number on press ENTER
现在,如果我使用 textwatcher 在我的 edittext 上实现某些功能,每次当我的光标移动到下一行时,我都需要行号。我想知道何时按下 ENTER 键,我该怎么做
这是 textwatcher 的代码
scene.addTextChangedListener(new TextWatcher() {
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
//here is your code
strcheck = s.toString().substring((s.length()-1),s.length());
if (nowUpper)
strcheck = strcheck.toUpperCase();
else if (nowLower)
strcheck = strcheck.toLowerCase();
}
@Override
public void beforeTextChanged(CharSequence s, int start, int count,
int after) {
// TODO Auto-generated method stub
}
@Override
public void afterTextChanged(Editable s) {
if (nowUpper){
if(ix==1)
{
if(strcheck=="\n")
strcheck="a";
Log.v(strcheck, strcheck);
ix=0;
scene.setText(scene.getText().toString().substring(0,scene.length()-1) + strcheck);
scene.setSelection(scene.getText().length());
}
else
{
ix=1;
}
// TODO Auto-generated method stub
}
}
});