android:设置密码隐藏与显示

main.xml:

<?xml version="1.0"encoding="utf-8"?>

<LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android"

android:orientation="vertical"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

>

<TextView

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:text="@string/hello"

/>

<EditText

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:inputType="textPassword"

android:id="@+id/mima"

/>

<CheckBoxandroid:text="显示密码" android:layout_width="wrap_content"

android:layout_height="wrap_content"android:id="@+id/xianshifou"/>

</LinearLayout>

java代码：

public class M extends Activity {

privateEditText et;

privateCheckBox cb;

public voidonCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

et=(EditText)findViewById(R.id.mima);

cb=(CheckBox)findViewById(R.id.xianshifou);

cb.setOnCheckedChangeListener(new OnCheckedChangeListener(){

@Override

public void onCheckedChanged(CompoundButton arg0,boolean arg1) {

// TODO Auto-generated method stub

if(cb.isChecked()){

//设置EditText的密码为可见的

et.setTransformationMethod(HideReturnsTransformationMethod.getInstance());

}else{

//设置密码为隐藏的

et.setTransformationMethod(PasswordTransformationMethod.getInstance());

}

}

});

}

}