Android文本输入框(EditText)输入密码时显示与隐藏
代码很简单，这里就不多废话了。
packagecc.c;
importandroid.app.Activity;
importandroid.os.Bundle;
importandroid.text.Selection;
importandroid.text.Spannable;
importandroid.text.method.HideReturnsTransformationMethod;
importandroid.text.method.PasswordTransformationMethod;
importandroid.view.View;
importandroid.view.View.OnClickListener;
importandroid.widget.Button;
importandroid.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:
*1http://developer.android.com/reference/android/text/method/HideReturnsTransformationMethod.html
*2http://developer.android.com/reference/android/text/method/PasswordTransformationMethod.html
* Thankyouverymuch
*/
publicclassMainActivityextendsActivity{
privateButtonmSwitchButton;
privateEditTextmPasswordEditText;
privatebooleanisHidden=true;
@Override
publicvoidonCreate(BundlesavedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
init();
}
privatevoidinit(){
mSwitchButton=(Button)findViewById(R.id.button);
mPasswordEditText=(EditText)findViewById(R.id.editText);
mSwitchButton.setOnClickListener(newOnClickListener(){
@Override
publicvoidonClick(Viewv){
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
CharSequencecharSequence=mPasswordEditText.getText();
if(charSequenceinstanceofSpannable){
SpannablespanText=(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。