发送验证码-倒计时功能

Activity:

TimeCountUtil mTimeCountUtil =new TimeCountUtil(forget_verification_text, 1000*60, 1000);

mTimeCountUtil.start();

XML:

<Button

   android:id="@+id/register_verification_text"

    android:layout_width="wrap_content"

    android:layout_height="30dp"

    android:layout_alignParentRight="true"

    android:layout_centerVertical="true"

    android:layout_marginLeft="5dp"

    android:padding="5dp"

    android:gravity="center"

    android:textSize="15dp"

    android:background="@drawable/selector_button"

    android:textColor="@color/main_tv_color"

    android:layout_gravity="center_vertical"

    android:text="获取验证码" />

Drawable目录下：

selector_button:

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

<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:drawable="@drawable/shape_button_type1" android:state_enabled="true" />

    <item android:drawable="@drawable/shape_button_type2" android:state_enabled="false" />

</selector>

shape_button_type2:

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

<shape xmlns:android="http://schemas.android.com/apk/res/android">

    <solid android:color="#FFDDDDDD"/>

    <corners android:radius="15dp"/>

    <stroke android:width="1px" android:color="#FFDDDDDD" />

</shape>

shape_button_type1:

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

<shape xmlns:android="http://schemas.android.com/apk/res/android">

    <solid android:color="@color/white"/>

    <corners android:radius="15dp"/>

    <stroke android:width="0.7dp" android:color="@color/text_gary_color" />

</shape>

工具类：

/**

* auther Android

* Created by on 2019/4/25.

* Describe ：

*/

public class TimeCountUtil extends CountDownTimer{

private ButtonmButton;

    public TimeCountUtil(Button button, long millisInFuture, long countDownInterval) {

super(millisInFuture, countDownInterval);

        this.mButton = button;

    }

@Override

    public void onTick(long millisUntilFinished) {

// 按钮不可用

        mButton.setEnabled(false);

        String showText = millisUntilFinished /1000 +"秒";

        mButton.setText(showText);

    }

@Override

    public void onFinish() {

// 按钮设置可用

        mButton.setEnabled(true);

        mButton.setText("获取验证码");

    }