link管理

链接快照平台

输入网页链接，自动生成快照
标签化管理网页链接

PasswordEditText.java

           20
           
           118

package org . yang . common . components ;

import android . content . Context ;

import android . graphics . drawable . Drawable ;

import android . support . v4 . content . ContextCompat ;

import android . support . v7 . widget . AppCompatEditText ;

import android . text . Editable ;

import android . text . TextWatcher ;

import android . text . method . HideReturnsTransformationMethod ;

import android . text . method . PasswordTransformationMethod ;

import android . text . method . TransformationMethod ;

import android . util . AttributeSet ;

import android . view . MotionEvent ;

import android . view . View ;

import android . view . View . OnFocusChangeListener ;

import org . yang . common . R ;

public class PasswordEditText extends AppCompatEditText implements OnFocusChangeListener , TextWatcher {

/**

* 密码按钮的引用

private Drawable mEye ;

private Drawable mEyeShow ;

private boolean hasFoucs ;

private String TAG = getClass (). getSimpleName ();

public PasswordEditText ( Context context ) {

this ( context , null );

}

public PasswordEditText ( Context context , AttributeSet attrs ) {

// 这里构造方法也很重要，不加这个很多属性不能再XML里面定义

this ( context , attrs , android . R . attr . editTextStyle );

}

public PasswordEditText ( Context context , AttributeSet attrs , int defStyle ) {

super ( context , attrs , defStyle );

init ();

}

private void init () {

// 获取EditText的DrawableRight,假如没有设置我们就使用默认的图片,2是获得右边的图片顺序是左上右下（0,1,2,3,）

mEye = getCompoundDrawables ()[ 2 ];

mEyeShow = getCompoundDrawables ()[ 2 ];

if ( mEye == null ) {

mEye = ContextCompat . getDrawable ( getContext (), R . mipmap . hide );

}

if ( mEyeShow == null ) {

mEyeShow = ContextCompat . getDrawable ( getContext (), R . mipmap . show );

}

mEyeShow . setBounds ( 0 , 0 , mEye . getIntrinsicWidth (), mEye . getIntrinsicHeight ());

mEye . setBounds ( 0 , 0 , mEye . getIntrinsicWidth (), mEye . getIntrinsicHeight ());

// 默认设置隐藏图标

setClearIconVisible ( true );

// 设置焦点改变的监听

setOnFocusChangeListener ( this );

// 设置输入框里面内容发生改变的监听

addTextChangedListener ( this );

}

/**

* 因为我们不能直接给EditText设置点击事件，所以我们用记住我们按下的位置来模拟点击事件当我们按下的位置在 EditText的宽度 -

* 图标到控件右边的间距 - 图标的宽度和 EditText的宽度 - 图标到控件右边的间距之间我们就算点击了图标，竖直方向就没有考虑

@ Override

public boolean onTouchEvent ( MotionEvent event ) {

if ( event . getAction () == MotionEvent . ACTION_UP ) {

if ( getCompoundDrawables ()[ 2 ] != null ) {

boolean touchable = event . getX () > ( getWidth () - getTotalPaddingRight ())

&& ( event . getX () < (( getWidth () - getPaddingRight ())));

if ( touchable ) {

TransformationMethod transformationMethod = getTransformationMethod ();

if ( transformationMethod instanceof HideReturnsTransformationMethod ) {

setTransformationMethod ( PasswordTransformationMethod . getInstance ());

} else if ( transformationMethod instanceof PasswordTransformationMethod ) {

setTransformationMethod ( HideReturnsTransformationMethod . getInstance ());

}

return super . onTouchEvent ( event );

}

/**

* 当ClearEditText焦点发生变化的时候，判断里面字符串长度设置清除图标的显示与隐藏

@ Override

public void onFocusChange ( View v , boolean hasFocus ) {

this . hasFoucs = hasFocus ;

if ( hasFocus ) {

// setClearIconVisible(getText().length() > 0);

setClearIconVisible ( true );

} else {

// setClearIconVisible(false);

setClearIconVisible ( true );

}

/**

* 设置清除图标的显示与隐藏，调用setCompoundDrawables为EditText绘制上去

* @param visible

protected void setClearIconVisible ( boolean visible ) {

Drawable right = visible ? mEyeShow : null ;

setCompoundDrawables ( getCompoundDrawables ()[ 0 ], getCompoundDrawables ()[ 1 ], right , getCompoundDrawables ()[ 3 ]);

TransformationMethod transformationMethod = getTransformationMethod ();

if ( transformationMethod instanceof HideReturnsTransformationMethod && right != null ) {

setCompoundDrawables ( getCompoundDrawables ()[ 0 ], getCompoundDrawables ()[ 1 ], mEye , getCompoundDrawables ()[ 3 ]);

}

/**

* 当输入框里面内容发生变化的时候回调的方法

@ Override

public void onTextChanged ( CharSequence s , int start , int count , int after ) {

if ( hasFoucs ) {

setClearIconVisible ( s . length () > 0 );

}

@ Override

public void beforeTextChanged ( CharSequence s , int start , int count ,

int after ) {

@ Override

public void afterTextChanged ( Editable s ) {

PasswordEditText.java

Latest commit

History

PasswordEditText.java

File metadata and controls