注册
登录
| 关键词： nbsp android import view CheckBox password widget super EditText show |
.xml代码如下：[html] view plaincopy<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <TextView android:id="@+id/txt" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="请输入：" /> <EditText android:id="@+id/txt1" android:layout_width="fill_parent" android:layout_height="wrap_content" android:password="true" android:textSize="30px" /> <CheckBox android:id="@+id/checkbox1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="显示密码" /> </LinearLayout> .java代码如下：[java] view plaincopypackage org.lxh.demo; import android.app.Activity; import android.os.Bundle; 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.CheckBox; import android.widget.EditText; import android.widget.TextView; public class Hello extends Activity { private EditText password = null; private CheckBox show = null; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // 生命周期方法 super.setContentView(R.layout.main); // 设置要使用的布局管理器 this.password = (EditText) super.findViewById(R.id.txt1); this.show = (CheckBox) super.findViewById(R.id.checkbox1); this.show.setOnClickListener(new OnClickListenerImpl()); } private class OnClickListenerImpl implements OnClickListener { public void onClick(View arg0) { if (show.isChecked()) { Hello.this.password .setTransformationMethod(HideReturnsTransformationMethod .getInstance()); } else { Hello.this.password .setTransformationMethod(PasswordTransformationMethod .getInstance()); } } } } 运行如下：源码下载地址：http://download.csdn.net/detail/yayun0516/8363413 |
|
声明：文章版权归原作者所有 部分文章转自互联网 如有侵权请联系
[邮箱地址] 删除
|
