.xml文件
xmlns:tools="/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity"
android:orientation="vertical">
android:id="@+id/msg"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="用户密码" />
android:id="@+id/edit"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:password="true"/>
android:id="@+id/show"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="显示密码"/>
.java文件
public class MainActivity extends Activity {
private EditText passwd=null;
private CheckBox show=null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
this.passwd=(EditText) super.findViewById(R.id.edit);
this.show=(CheckBox) super.findViewById(R.id.show);
this.show.setOnClickListener(new OnclickListenerImp());
}
private class OnclickListenerImp implements OnClickListener{
public void onClick(View v) {
if(MainActivity.this.show.isChecked()){
//设置为明文显示
MainActivity.this.passwd.setTransformationMethod(HideReturnsTransformationMethod.getInstance());
}
else{
//设置为秘闻显示
MainActivity.this.passwd.setTransformationMethod(PasswordTransformationMethod.getInstance());
}
}
}
}
