自定义开关按钮

attrs.xml<declare-styleable name="EaseSwitchButton">    <attr name="switchOpenImage" format="reference"/>    <attr name="switchCloseImage" format="reference"/>    <attr name="switchStatus">        <enum name="open" value="0"/>        <enum name="close" value="1"/>    </attr></declare-styleable>

EaseSwitchButton.java

package com.easemob.easeui.widget;

import android.content.Context;import android.content.res.TypedArray;import android.graphics.drawable.Drawable;import android.util.AttributeSet;import android.view.LayoutInflater;import android.view.View;import android.widget.FrameLayout;import android.widget.ImageView;

import com.easemob.easeui.R;

public class EaseSwitchButton extends FrameLayout{

    private ImageView openImage;    private ImageView closeImage;

    public EaseSwitchButton(Context context, AttributeSet attrs, int defStyle) {        this(context, attrs);    }

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

    public EaseSwitchButton(Context context, AttributeSet attrs) {        super(context, attrs);

        TypedArray ta = context.obtainStyledAttributes(attrs, R.styleable.EaseSwitchButton);        Drawable openDrawable = ta.getDrawable(R.styleable.EaseSwitchButton_switchOpenImage);        Drawable closeDrawable = ta.getDrawable(R.styleable.EaseSwitchButton_switchCloseImage);        int switchStatus = ta.getInt(R.styleable.EaseSwitchButton_switchStatus, 0);        ta.recycle();

        LayoutInflater.from(context).inflate(R.layout.ease_widget_switch_button, this);        openImage = (ImageView) findViewById(R.id.iv_switch_open);        closeImage = (ImageView) findViewById(R.id.iv_switch_close);        if(openDrawable != null){            openImage.setImageDrawable(openDrawable);        }        if(closeDrawable != null){            closeImage.setImageDrawable(closeDrawable);        }        if(switchStatus == 1){            closeSwitch();        }

    }

    /**     * 开关是否为打开状态     */    public boolean isSwitchOpen(){        return openImage.getVisibility() == View.VISIBLE;    }

    /**     * 打开开关     */    public void openSwitch(){       openImage.setVisibility(View.VISIBLE);       closeImage.setVisibility(View.INVISIBLE);    }

    /**     * 关闭开关     */    public void closeSwitch(){       openImage.setVisibility(View.INVISIBLE);       closeImage.setVisibility(View.VISIBLE);    }}

ease_widget_switch_button.xml

<?xml version="1.0" encoding="utf-8"?><FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="wrap_content"    android:layout_height="wrap_content" >

    <ImageView        android:id="@+id/iv_switch_open"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:background="@drawable/ease_open_icon"        android:visibility="visible" />

    <ImageView        android:id="@+id/iv_switch_close"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:background="@drawable/ease_close_icon"        android:visibility="invisible" />

</FrameLayout>

引用：

<com.easemob.easeui.widget.EaseSwitchButton    android:id="@+id/switch_notification"    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:layout_alignParentRight="true"    android:layout_centerVertical="true" />

notifiSwitch.closeSwitch();

notifiSwitch.openSwich();

注：此源码摘自环信