Android文本输入框(EditText)输入密码时显示与隐藏
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2022-07-03 18:54:13
代码很简单,这里就不多废话了。
复制代码 代码如下:
package cc.c;
import android.app.activity;
import andro...
代码很简单,这里就不多废话了。
复制代码 代码如下:
package cc.c;
import android.app.activity;
import android.os.bundle;
import android.text.selection;
import android.text.spannable;
import android.text.method.hidereturnstransformationmethod;
import android.text.method.passwordtransformationmethod;
import android.view.view;
import android.view.view.onclicklistener;
import android.widget.button;
import android.widget.edittext;
/**
* demo描述:
* 文本输入框(edittext)切换密码的显示与隐藏
*
* 参考资料:
* 1 http://developer.android.com/reference/android/text/method/hidereturnstransformationmethod.html
* 2 http://developer.android.com/reference/android/text/method/passwordtransformationmethod.html
* thank you very much
*/
public class mainactivity extends activity {
private button mswitchbutton;
private edittext mpasswordedittext;
private boolean ishidden=true;
@override
public void oncreate(bundle savedinstancestate) {
super.oncreate(savedinstancestate);
setcontentview(r.layout.main);
init();
}
private void init(){
mswitchbutton=(button) findviewbyid(r.id.button);
mpasswordedittext=(edittext) findviewbyid(r.id.edittext);
mswitchbutton.setonclicklistener(new onclicklistener() {
@override
public void onclick(view v) {
if (ishidden) {
//设置edittext文本为可见的
mpasswordedittext.settransformationmethod(hidereturnstransformationmethod.getinstance());
} else {
//设置edittext文本为隐藏的
mpasswordedittext.settransformationmethod(passwordtransformationmethod.getinstance());
}
ishidden = !ishidden;
mpasswordedittext.postinvalidate();
//切换后将edittext光标置于末尾
charsequence charsequence = mpasswordedittext.gettext();
if (charsequence instanceof spannable) {
spannable spantext = (spannable) charsequence;
selection.setselection(spantext, charsequence.length());
}
}
});
}
}
有相同需求的小伙伴过来参考下吧,可以直接拿去使用。