仿支付宝/微信的密码输入框效果GridPasswordView解析，把一些设置和一些关键的地方列了出来，方便大家使用，可能可以省一部分的时间，也算是自己的积累吧。

1.密码框可以输入的类型PasswordType

public enum PasswordType {
    NUMBER, TEXT, TEXTVISIBLE, TEXTWEB;
}

    @Override
    public void setPasswordType(PasswordType passwordType) {
        boolean visible = getPassWordVisibility();
        int inputType = InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_VARIATION_PASSWORD;
        switch (passwordType) {

            case TEXT:
                inputType = InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD;
                break;

            case TEXTVISIBLE:
                inputType = InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD;
                break;

            case TEXTWEB:
                inputType = InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_WEB_PASSWORD;
                break;
        }

        for (TextView textView : viewArr)
            textView.setInputType(inputType);

        setPasswordVisibility(visible);
    }

2.PasswordView中的抽象方法的作用

interface PasswordView {

	//获取密码
    String getPassWord();

    //清空密码
    void clearPassword();

    //设置密码
    void setPassword(String password);

    //设置密码可见性
    void setPasswordVisibility(boolean visible);

    //密码可见性的切换
    void togglePasswordVisibility();

    //设置密码改变监听
    void setOnPasswordChangedListener(GridPasswordView.OnPasswordChangedListener listener);
    
    //设置密码类型
    void setPasswordType(PasswordType passwordType);
}

setBackground(Drawable)
setBackgroundColor(int)
setBackgroundResource(int)
setBackgroundDrawable(Drawable)

4.在GridPasswordView中设置框框颜色和背景颜色(绿色和红色)

private static final int DEFAULT_LINECOLOR = 0xaa61cea8;
private static final int DEFAULT_GRIDCOLOR = 0xffe66961;

5.设置文本的大小和颜色(40px和蓝色)

private static final int DEFAULT_TEXTSIZE = 40;
textColor = ColorStateList.valueOf(getResources().getColor(android.R.color.holo_blue_light));

    <style name="GridPasswordView.TextView">
        <item name="android:layout_width">0dp</item>
        <item name="android:layout_height">match_parent</item>
        <item name="android:background">@null</item>
        <item name="android:gravity">center</item>
        <item name="android:layout_weight">1</item>
        <item name="android:singleLine">true</item>
    </style>

    <style name="GridPasswordView.EditText" parent="GridPasswordView.TextView">
        <item name="android:cursorVisible">false</item>
    </style>

    <style name="GridPasswordView.Divider">
        <item name="android:layout_width">1dp</item>
        <item name="android:layout_height">match_parent</item>
        <item name="android:layout_marginTop">1dp</item>
        <item name="android:layout_marginBottom">1dp</item>
    </style>

    <declare-styleable name="gridPasswordView">

        <attr name="textColor" format="color|reference" />
        <attr name="textSize" format="dimension" />

        <attr name="lineColor" format="color" />
        <attr name="gridColor" format="color" />
        <attr name="lineWidth" format="dimension" />

        <attr name="passwordLength" format="integer" />
        <attr name="passwordTransformation" format="string" />

        <attr name="passwordType" format="enum">
            <enum name="numberPassword" value="0" />
            <enum name="textPassword" value="1" />
            <enum name="textVisiblePassword" value="2" />
            <enum name="textWebPassword" value="3" />
        </attr>

    </declare-styleable>

8.效果图

仿支付宝/微信的密码输入框效果GridPasswordView解析