EditText 显示明文和密码
来源:互联网 发布:外星人笔记windows 编辑:程序博客网 时间:2024/05/20 04:30
1、效果图
2、布局文件
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<?xml version=
"1.0"
encoding=
"utf-8"
?>
<RelativeLayout xmlns:android=
"http://schemas.android.com/apk/res/android"
xmlns:tools=
"http://schemas.android.com/tools"
android:layout_width=
"match_parent"
android:layout_height=
"match_parent"
android:paddingBottom=
"@dimen/activity_vertical_margin"
android:paddingLeft=
"@dimen/activity_horizontal_margin"
android:paddingRight=
"@dimen/activity_horizontal_margin"
android:paddingTop=
"@dimen/activity_vertical_margin"
tools:context=
"wifi.app.wei.com.myapplication.MainActivity"
>
<RelativeLayout
android:layout_width=
"match_parent"
android:layout_height=
"wrap_content"
android:padding=
"10dp"
>
<ImageView
android:id=
"@+id/image"
android:layout_width=
"wrap_content"
android:layout_height=
"wrap_content"
android:src=
"@mipmap/eye_close"
android:layout_alignParentRight=
"true"
android:layout_centerVertical=
"true"
/>
<EditText
android:id=
"@+id/pass_et"
android:layout_toLeftOf=
"@id/image"
android:layout_width=
"match_parent"
android:layout_height=
"wrap_content"
android:inputType=
"textPassword"
/>
</RelativeLayout>
</RelativeLayout>
3、代码实现(方式一)
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package wifi.app.wei.com.myapplication;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.text.InputType;
import android.view.View;
import android.widget.EditText;
import android.widget.ImageView;
public
class
MainActivity extends AppCompatActivity {
private
ImageView imageView ;
private
EditText editText ;
boolean eyeOpen =
false
;
@Override
protected
void
onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main );
imageView = (ImageView) findViewById( R.id.image) ;
editText = (EditText) findViewById( R.id.pass_et);
imageView.setOnClickListener(
new
View.OnClickListener() {
@Override
public
void
onClick(View view) {
if
( eyeOpen ){
//密码 TYPE_CLASS_TEXT 和 TYPE_TEXT_VARIATION_PASSWORD 必须一起使用
editText.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
imageView.setImageResource( R.mipmap.eye_close );
eyeOpen =
false
;
}
else
{
//明文
editText.setInputType( InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD );
imageView.setImageResource( R.mipmap.eye_open );
eyeOpen =
true
;
}
}
});
}
}
4、代码实现(方式二)
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package wifi.app.wei.com.myapplication;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.text.method.HideReturnsTransformationMethod;
import android.text.method.PasswordTransformationMethod;
import android.view.View;
import android.widget.EditText;
import android.widget.ImageView;
public
class
MainActivity extends AppCompatActivity {
private
ImageView imageView ;
private
EditText editText ;
boolean eyeOpen =
false
;
@Override
protected
void
onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main );
imageView = (ImageView) findViewById( R.id.image) ;
editText = (EditText) findViewById( R.id.pass_et);
imageView.setOnClickListener(
new
View.OnClickListener() {
@Override
public
void
onClick(View view) {
if
( eyeOpen ){
//密码
editText.setTransformationMethod(PasswordTransformationMethod.getInstance());
imageView.setImageResource( R.mipmap.eye_close );
eyeOpen =
false
;
}
else
{
//明文
editText.setTransformationMethod(HideReturnsTransformationMethod.getInstance());
imageView.setImageResource( R.mipmap.eye_open );
eyeOpen =
true
;
}
}
});
}
}
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