Android--代码实现自定义Button

简介: 版权声明:本文为博主原创文章,转载请标明出处。 https://blog.csdn.net/chaoyu168/article/details/80350654 使用StateButton.
版权声明:本文为博主原创文章,转载请标明出处。 https://blog.csdn.net/chaoyu168/article/details/80350654

使用StateButton.java,res/values/attrs.xml

import android.content.Context;
import android.content.res.ColorStateList;
import android.content.res.TypedArray;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.GradientDrawable;
import android.graphics.drawable.StateListDrawable;
import android.support.annotation.ColorInt;
import android.support.annotation.FloatRange;
import android.support.annotation.IntRange;
import android.support.v7.widget.AppCompatButton;
import android.util.AttributeSet;

import com.xiaobai.cloneapp.R;

/**
 * 自定义button
 */

public class StateButton extends AppCompatButton{

    //text color
    private int mNormalTextColor = 0;
    private int mPressedTextColor = 0;
    private int mUnableTextColor = 0;
    ColorStateList mTextColorStateList;

    //animation duration
    private int mDuration = 0;

    //radius
    private float mRadius = 0;
    private boolean mRound;

    //stroke
    private float mStrokeDashWidth = 0;
    private float mStrokeDashGap = 0;
    private int mNormalStrokeWidth = 0;
    private int mPressedStrokeWidth = 0;
    private int mUnableStrokeWidth = 0;
    private int mNormalStrokeColor = 0;
    private int mPressedStrokeColor = 0;
    private int mUnableStrokeColor = 0;

    //background color
    private int mNormalBackgroundColor = 0;
    private int mPressedBackgroundColor = 0;
    private int mUnableBackgroundColor = 0;

    private GradientDrawable mNormalBackground;
    private GradientDrawable mPressedBackground;
    private GradientDrawable mUnableBackground;

    private int[][] states;

    StateListDrawable mStateBackground;

    public StateButton(Context context) {
        this(context, null);
    }

    public StateButton(Context context, AttributeSet attrs) {
        this(context, attrs, android.support.v7.appcompat.R.attr.buttonStyle);
    }

    public StateButton(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        setup(attrs);
    }

    private void setup(AttributeSet attrs) {

        states = new int[4][];

        Drawable drawable = getBackground();
        if(drawable != null && drawable instanceof StateListDrawable){
            mStateBackground = (StateListDrawable) drawable;
        }else{
            mStateBackground = new StateListDrawable();
        }

        mNormalBackground = new GradientDrawable();
        mPressedBackground = new GradientDrawable();
        mUnableBackground = new GradientDrawable();

        //pressed, focused, normal, unable
        states[0] = new int[] { android.R.attr.state_enabled, android.R.attr.state_pressed };
        states[1] = new int[] { android.R.attr.state_enabled, android.R.attr.state_focused };
        states[3] = new int[] { -android.R.attr.state_enabled};
        states[2] = new int[] { android.R.attr.state_enabled };

        TypedArray a = getContext().obtainStyledAttributes(attrs, R.styleable.StateButton);

        //get original text color as default
        //set text color
        mTextColorStateList = getTextColors();
        int mDefaultNormalTextColor = mTextColorStateList.getColorForState(states[2], getCurrentTextColor());
        int mDefaultPressedTextColor = mTextColorStateList.getColorForState(states[0], getCurrentTextColor());
        int mDefaultUnableTextColor = mTextColorStateList.getColorForState(states[3], getCurrentTextColor());
        mNormalTextColor = a.getColor(R.styleable.StateButton_normalTextColor, mDefaultNormalTextColor);
        mPressedTextColor = a.getColor(R.styleable.StateButton_pressedTextColor, mDefaultPressedTextColor);
        mUnableTextColor = a.getColor(R.styleable.StateButton_unableTextColor, mDefaultUnableTextColor);
        setTextColor();

        //set animation duration
        mDuration = a.getInteger(R.styleable.StateButton_animationDuration, mDuration);
        mStateBackground.setEnterFadeDuration(mDuration);
        mStateBackground.setExitFadeDuration(mDuration);

        //set background color
        mNormalBackgroundColor = a.getColor(R.styleable.StateButton_normalBackgroundColor, 0);
        mPressedBackgroundColor = a.getColor(R.styleable.StateButton_pressedBackgroundColor, 0);
        mUnableBackgroundColor = a.getColor(R.styleable.StateButton_unableBackgroundColor, 0);
        mNormalBackground.setColor(mNormalBackgroundColor);
        mPressedBackground.setColor(mPressedBackgroundColor);
        mUnableBackground.setColor(mUnableBackgroundColor);

        //set radius
        mRadius = a.getDimensionPixelSize(R.styleable.StateButton_radius, 0);
        mRound = a.getBoolean(R.styleable.StateButton_round, false);
        mNormalBackground.setCornerRadius(mRadius);
        mPressedBackground.setCornerRadius(mRadius);
        mUnableBackground.setCornerRadius(mRadius);

        //set stroke
        mStrokeDashWidth = a.getDimensionPixelSize(R.styleable.StateButton_strokeDashWidth, 0);
        mStrokeDashGap = a.getDimensionPixelSize(R.styleable.StateButton_strokeDashWidth, 0);
        mNormalStrokeWidth = a.getDimensionPixelSize(R.styleable.StateButton_normalStrokeWidth, 0);
        mPressedStrokeWidth = a.getDimensionPixelSize(R.styleable.StateButton_pressedStrokeWidth, 0);
        mUnableStrokeWidth = a.getDimensionPixelSize(R.styleable.StateButton_unableStrokeWidth, 0);
        mNormalStrokeColor = a.getColor(R.styleable.StateButton_normalStrokeColor, 0);
        mPressedStrokeColor = a.getColor(R.styleable.StateButton_pressedStrokeColor, 0);
        mUnableStrokeColor = a.getColor(R.styleable.StateButton_unableStrokeColor, 0);
        setStroke();

        //set background
        mStateBackground.addState(states[0], mPressedBackground);
        mStateBackground.addState(states[1], mPressedBackground);
        mStateBackground.addState(states[3], mUnableBackground);
        mStateBackground.addState(states[2], mNormalBackground);
        setBackgroundDrawable(mStateBackground);
        a.recycle();
    }


    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
        setRound(mRound);
    }

    /****************** stroke color *********************/

    public void setNormalStrokeColor(@ColorInt int normalStrokeColor) {
        this.mNormalStrokeColor = normalStrokeColor;
        setStroke(mNormalBackground, mNormalStrokeColor, mNormalStrokeWidth);
    }

    public void setPressedStrokeColor(@ColorInt int pressedStrokeColor) {
        this.mPressedStrokeColor = pressedStrokeColor;
        setStroke(mPressedBackground, mPressedStrokeColor, mPressedStrokeWidth);
    }

    public void setUnableStrokeColor(@ColorInt int unableStrokeColor) {
        this.mUnableStrokeColor = unableStrokeColor;
        setStroke(mUnableBackground, mUnableStrokeColor, mUnableStrokeWidth);
    }

    public void setStateStrokeColor(@ColorInt int normal, @ColorInt int pressed, @ColorInt int unable){
        mNormalStrokeColor = normal;
        mPressedStrokeColor = pressed;
        mUnableStrokeColor = unable;
        setStroke();
    }

    /****************** stroke width *********************/

    public void setNormalStrokeWidth(int normalStrokeWidth) {
        this.mNormalStrokeWidth = normalStrokeWidth;
        setStroke(mNormalBackground, mNormalStrokeColor, mNormalStrokeWidth);
    }

    public void setPressedStrokeWidth(int pressedStrokeWidth) {
        this.mPressedStrokeWidth = pressedStrokeWidth;
        setStroke(mPressedBackground, mPressedStrokeColor, mPressedStrokeWidth);
    }

    public void setUnableStrokeWidth(int unableStrokeWidth) {
        this.mUnableStrokeWidth = unableStrokeWidth;
        setStroke(mUnableBackground, mUnableStrokeColor, mUnableStrokeWidth);
    }

    public void setStateStrokeWidth(int normal, int pressed, int unable){
        mNormalStrokeWidth = normal;
        mPressedStrokeWidth = pressed;
        mUnableStrokeWidth= unable;
        setStroke();
    }

    public void setStrokeDash(float strokeDashWidth, float strokeDashGap) {
        this.mStrokeDashWidth = strokeDashWidth;
        this.mStrokeDashGap = strokeDashWidth;
        setStroke();
    }

    private void setStroke(){
        setStroke(mNormalBackground, mNormalStrokeColor, mNormalStrokeWidth);
        setStroke(mPressedBackground, mPressedStrokeColor, mPressedStrokeWidth);
        setStroke(mUnableBackground, mUnableStrokeColor, mUnableStrokeWidth);
    }

    private void setStroke(GradientDrawable mBackground, int mStrokeColor, int mStrokeWidth) {
        mBackground.setStroke(mStrokeWidth, mStrokeColor, mStrokeDashWidth, mStrokeDashGap);
    }

    /********************   radius  *******************************/

    public void setRadius(@FloatRange(from = 0) float radius) {
        this.mRadius = radius;
        mNormalBackground.setCornerRadius(mRadius);
        mPressedBackground.setCornerRadius(mRadius);
        mUnableBackground.setCornerRadius(mRadius);
    }

    public void setRound(boolean round){
        this.mRound = round;
        int height = getMeasuredHeight();
        if(mRound){
            setRadius(height / 2f);
        }
    }

    public void setRadius(float[] radii){
        mNormalBackground.setCornerRadii(radii);
        mPressedBackground.setCornerRadii(radii);
        mUnableBackground.setCornerRadii(radii);
    }

    /********************  background color  **********************/

    public void setStateBackgroundColor(@ColorInt int normal, @ColorInt int pressed, @ColorInt int unable){
        mNormalBackgroundColor = normal;
        mPressedBackgroundColor = pressed;
        mUnableBackgroundColor = unable;
        mNormalBackground.setColor(mNormalBackgroundColor);
        mPressedBackground.setColor(mPressedBackgroundColor);
        mUnableBackground.setColor(mUnableBackgroundColor);
    }

    public void setNormalBackgroundColor(@ColorInt int normalBackgroundColor) {
        this.mNormalBackgroundColor = normalBackgroundColor;
        mNormalBackground.setColor(mNormalBackgroundColor);
    }

    public void setPressedBackgroundColor(@ColorInt int pressedBackgroundColor) {
        this.mPressedBackgroundColor = pressedBackgroundColor;
        mPressedBackground.setColor(mPressedBackgroundColor);
    }

    public void setUnableBackgroundColor(@ColorInt int unableBackgroundColor) {
        this.mUnableBackgroundColor = unableBackgroundColor;
        mUnableBackground.setColor(mUnableBackgroundColor);
    }

    /*******************alpha animation duration********************/
    public void setAnimationDuration(@IntRange(from = 0)int duration){
        this.mDuration = duration;
        mStateBackground.setEnterFadeDuration(mDuration);
    }

    /***************  text color   ***********************/

    private void setTextColor() {
        int[] colors = new int[] {mPressedTextColor, mPressedTextColor, mNormalTextColor, mUnableTextColor};
        mTextColorStateList = new ColorStateList(states, colors);
        setTextColor(mTextColorStateList);
    }

    public void setStateTextColor(@ColorInt int normal, @ColorInt int pressed, @ColorInt int unable){
        this.mNormalTextColor = normal;
        this.mPressedTextColor = pressed;
        this.mUnableTextColor = unable;
        setTextColor();
    }

    public void setNormalTextColor(@ColorInt int normalTextColor) {
        this.mNormalTextColor = normalTextColor;
        setTextColor();

    }

    public void setPressedTextColor(@ColorInt int pressedTextColor) {
        this.mPressedTextColor = pressedTextColor;
        setTextColor();
    }

    public void setUnableTextColor(@ColorInt int unableTextColor) {
        this.mUnableTextColor = unableTextColor;
        setTextColor();
    }
}
<?xml version="1.0" encoding="utf-8"?>
<resources>
    <declare-styleable name="StateButton">

        <!--text color-->
        <attr name="normalTextColor" format="color|reference"/>
        <attr name="pressedTextColor" format="color|reference"/>
        <attr name="unableTextColor" format="color|reference"/>

        <!--stroke width and color, dash width, dash gap-->
        <attr name="strokeDashWidth" format="dimension|reference"/>
        <attr name="strokeDashGap" format="dimension|reference"/>
        <attr name="normalStrokeWidth" format="dimension|reference"/>
        <attr name="pressedStrokeWidth" format="dimension|reference"/>
        <attr name="unableStrokeWidth" format="dimension|reference"/>
        <attr name="normalStrokeColor" format="color|reference"/>
        <attr name="pressedStrokeColor" format="color|reference"/>
        <attr name="unableStrokeColor" format="color|reference"/>

        <!--background color-->
        <attr name="normalBackgroundColor" format="color|reference"/>
        <attr name="pressedBackgroundColor" format="color|reference"/>
        <attr name="unableBackgroundColor" format="color|reference"/>

        <!--background radius-->
        <attr name="radius" format="dimension|reference"/>
        <attr name="round" format="boolean|reference"/>

        <!--animation duration-->
        <attr name="animationDuration" format="integer|reference"/>

    </declare-styleable>
    
        <declare-styleable name="StateImageView">
        <attr name="normalBackground" format="color|reference"/>
        <attr name="pressedBackground" format="color|reference"/>
        <attr name="unableBackground" format="color|reference"/>

        <!--animation duration-->
        <attr name="AnimationDuration" format="integer|reference"/>
    </declare-styleable>
</resources>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="horizontal">

    <ImageView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="@dimen/dp_20"
        android:layout_marginTop="@dimen/dp_10"
        android:layout_marginBottom="@dimen/dp_5"
        android:src="@drawable/app"
        />
    <TextView
        android:id="@+id/text_imei"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_marginLeft="@dimen/dp_20"
        android:layout_marginTop="@dimen/dp_10"
        android:layout_marginBottom="@dimen/dp_5"
        android:textSize="20sp"
        android:text="123"/>
    <!-- 在根目录写入:xmlns:app="http://schemas.android.com/apk/res-auto" -->
    <deadline.statebutton.StateButton
        android:id="@+id/stateButton"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:text="StateButton"

        app:radius="5dp"
        app:round="true"
        app:animationDuration="200"

        app:strokeDashGap="2dp"
        app:strokeDashWidth="5dp"
        app:normalStrokeWidth="2dp"
        app:pressedStrokeWidth="2dp"
        app:unableStrokeWidth="2dp"

        app:normalStrokeColor="@android:color/white"
        app:pressedStrokeColor="@android:color/white"
        app:unableStrokeColor="@android:color/white"

        app:normalTextColor="@android:color/white"
        app:pressedTextColor="@android:color/white"
        app:unableTextColor="@android:color/white"

        app:normalBackgroundColor="@color/colorPrimaryDark"
        app:pressedBackgroundColor="@color/colorPrimaryDark"
        app:unableBackgroundColor="@color/colorPrimaryDark"/>
</LinearLayout>


Attribute default value xml java
normalTextColor original text color normalTextColor setNormalTextColor(int color)
pressedTextColor original text color pressedTextColor setPressedTextColor(int color)
unableTextColor original text color unableTextColor setUnableTextColor(int color)
strokeDashWidth 0 strokeDashWidth setStrokeDash(int dashWidth, int dashGap)
strokeDashGap 0 strokeDashGap setStrokeDash(int dashWidth, int dashGap)
normalStrokeWidth 0 normalStrokeWidth setNormalStrokeWidth(int widht)
pressedStrokeWidth 0 pressedStrokeWidth setPressedStrokeWidth(int widht)
unableStrokeWidth 0 unableStrokeWidth setUnableStrokeWidth(int widht)
normalStrokeColor 0 normalStrokeColor setNormalStrokeColor(int color)
pressedStrokeColor 0 pressedStrokeColor setPressedStrokeColor(int color)
unableStrokeColor 0 unableStrokeColor setUnableStrokeColor(int color)
normalBackgroundColor 0 normalBackgroundColor setNormalBackgroundColor(int color)
pressedBackgroundColor 0 pressedBackgroundColor setPressedBackgroundColor(int color)
unableBackgroundColor 0 unableBackgroundColor setUnableBackgroundColor(int color)
radius 0 radius setRadius(int radius) / setRadius(float[] radii)
round false round setRound(boolean round)
animationDuration 0ms animationDuration setAnimationDuration(int duration)
也可以使用框架实现: ButtonStyle


目录
相关文章
|
2月前
|
Android开发 开发者
安卓应用开发中的自定义视图
【9月更文挑战第37天】在安卓开发的海洋中,自定义视图犹如一座座小岛,等待着勇敢的探索者去发现其独特之处。本文将带领你踏上这段旅程,从浅滩走向深海,逐步揭开自定义视图的神秘面纱。
42 3
|
2月前
|
数据可视化 Android开发 开发者
安卓应用开发中的自定义View组件
【10月更文挑战第5天】在安卓应用开发中,自定义View组件是提升用户交互体验的利器。本篇将深入探讨如何从零开始创建自定义View,包括设计理念、实现步骤以及性能优化技巧,帮助开发者打造流畅且富有创意的用户界面。
91 0
|
25天前
|
搜索推荐 前端开发 Android开发
安卓应用开发中的自定义视图实现
【10月更文挑战第30天】在安卓开发的海洋中,自定义视图是那抹不可或缺的亮色,它为应用界面的个性化和交互体验的提升提供了无限可能。本文将深入探讨如何在安卓平台创建自定义视图,并展示如何通过代码实现这一过程。我们将从基础出发,逐步引导你理解自定义视图的核心概念,然后通过一个实际的代码示例,详细讲解如何将理论应用于实践,最终实现一个美观且具有良好用户体验的自定义控件。无论你是想提高自己的开发技能,还是仅仅出于对安卓开发的兴趣,这篇文章都将为你提供价值。
|
27天前
|
Android开发 开发者 UED
安卓开发中自定义View的实现与性能优化
【10月更文挑战第28天】在安卓开发领域,自定义View是提升应用界面独特性和用户体验的重要手段。本文将深入探讨如何高效地创建和管理自定义View,以及如何通过代码和性能调优来确保流畅的交互体验。我们将一起学习自定义View的生命周期、绘图基础和事件处理,进而探索内存和布局优化技巧,最终实现既美观又高效的安卓界面。
32 5
|
2月前
|
安全 Java 网络安全
Android远程连接和登录FTPS服务代码(commons.net库)
Android远程连接和登录FTPS服务代码(commons.net库)
28 1
|
2月前
|
XML 前端开发 Java
安卓应用开发中的自定义View组件
【10月更文挑战第5天】自定义View是安卓应用开发的一块基石,它为开发者提供了无限的可能。通过掌握其原理和实现方法,可以创造出既美观又实用的用户界面。本文将引导你了解自定义View的创建过程,包括绘制技巧、事件处理以及性能优化等关键步骤。
|
2月前
|
Android开发 Swift iOS开发
探索安卓与iOS开发的差异:从代码到用户体验
【10月更文挑战第5天】在移动应用开发的广阔天地中,安卓和iOS两大平台各占半壁江山。它们在技术架构、开发环境及用户体验上有着根本的不同。本文通过比较这两种平台的开发过程,揭示背后的设计理念和技术选择如何影响最终产品。我们将深入探讨各自平台的代码示例,理解开发者面临的挑战,以及这些差异如何塑造用户的日常体验。
|
3月前
|
Android开发 开发者
安卓开发中的自定义视图:从入门到精通
【9月更文挑战第19天】在安卓开发的广阔天地中,自定义视图是一块充满魔力的土地。它不仅仅是代码的堆砌,更是艺术与科技的完美结合。通过掌握自定义视图,开发者能够打破常规,创造出独一无二的用户界面。本文将带你走进自定义视图的世界,从基础概念到实战应用,一步步展示如何用代码绘出心中的蓝图。无论你是初学者还是有经验的开发者,这篇文章都将为你打开一扇通往创意和效率的大门。让我们一起探索自定义视图的秘密,将你的应用打造成一件艺术品吧!
64 10
|
3月前
|
存储 Java Android开发
🔥Android开发大神揭秘:从菜鸟到高手,你的代码为何总是慢人一步?💻
在Android开发中,每位开发者都渴望应用响应迅速、体验流畅。然而,代码执行缓慢却是常见问题。本文将跟随一位大神的脚步,剖析三大典型案例:主线程阻塞导致卡顿、内存泄漏引发性能下降及不合理布局引起的渲染问题,并提供优化方案。通过学习这些技巧,你将能够显著提升应用性能,从新手蜕变为高手。
32 2
|
3月前
|
XML 编解码 Android开发
安卓开发中的自定义视图控件
【9月更文挑战第14天】在安卓开发中,自定义视图控件是一种高级技巧,它可以让开发者根据项目需求创建出独特的用户界面元素。本文将通过一个简单示例,引导你了解如何在安卓项目中实现自定义视图控件,包括创建自定义控件类、处理绘制逻辑以及响应用户交互。无论你是初学者还是有经验的开发者,这篇文章都会为你提供有价值的见解和技巧。
52 3