当用户输入“.”时,java Android End TextWatcher
我有一个TextWatcher,它的设置和工作(几乎)完全符合我的要求。但是,我希望这个TextWatcher在用户输入“.”后立即停止。到目前为止,我找到的唯一解决方案是,如果用户完全删除文本,应用程序就会崩溃。同样重要的是,整个TextWatcher在用户输入“.”时结束
我试着把TextWatcher放在循环中,但它似乎不起作用
private TextWatcher userEnterListener = new TextWatcher() {
@Override
public void afterTextChanged(Editable s) {
// TODO Auto-generated method stub
}
@Override
public void beforeTextChanged(CharSequence s, int start, int count,
int after) {
if(after==0) {
shownText = "Please try again";
}
else if(after==1) {
shownText = "A";
}
else if(after==2) {
shownText = "An";
}
else if(after==3) {
shownText = "And";
}
else if(after==4) {
shownText = "Andr";
}
else if(after==5) {
shownText = "Andro";
}
else if(after==6) {
shownText = "Androi";
}
else if(after==7) {
shownText = "Android";
}
else if(after==8) {
shownText = "Android A";
}
else if(after==9) {
shownText = "Android Ap";
}
else if(after==10) {
shownText = "Android App";
}
else {
shownText = "Please try again";
}
}
@Override
public void onTextChanged(CharSequence s, int start, int before,
int count) {
recordedString = (s.toString());
update();
}
};
# 1 楼答案
也许这可以奏效: