我需要跟踪用户在EditText
中输入的每个字符。
有没有办法做到这一点?
目前我有 <Connector port="8443" protocol="org.apache.coyote.http11.Http11NioProtocol" SSLEnabled="true" maxThreads="200" compression="force"
compressionMinSize="1024" scheme="https" secure="true" clientAuth="false" sslEnabledProtocols="TLSv1.2,TLSv1.1,TLSv1" sslProtocol="TLS" URIEncoding="utf-8"
compressableMimeType="text/html,text/xml,text/plain,text/css,text/ javascript,application/x-javascript,application/javascript"
keystoreFile="domainaname.jks" keystorePass="123456" keystoreType="JKS"
truststoreFile="domainaname.jks"
truststoreType="JKS" truststorePass="123456"
/>
,我需要在用户输入第一个字符时显示图像。
提前谢谢。
答案 0 :(得分:1)
出于您的目的,您可以使用text watcher
et1.addTextChangedListener(new TextWatcher() {
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
// TODO Auto-generated method stub
}
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
// TODO Auto-generated method stub
}
@Override
public void afterTextChanged(Editable s) {
// TODO Auto-generated method stub
}
});