DownloadButton

一款支持多种样式的下载按钮，效果图如下

1.安装

allprojects {
		repositories {
			...
			maven { url 'https://jitpack.io' }
		}
	    }

 	dependencies {
	        implementation 'com.github.Kunsan16:DownloadButton:1.0.1'
	}

2.使用

xml

     <com.kunsan.library.DownLoadButton
       android:id="@+id/btn_download2"
       android:layout_width="160dp"
       android:layout_height="46dp"
       app:border_width="2dp"
       android:layout_marginTop="10dp"
       app:border_color="@color/colorPrimary"
       app:loading_progress_color="@color/colorPrimary"
       app:percent_show="false"
       app:install_color="@color/green"
       app:progress_textSize="18sp"
       app:text_color="@color/colorPrimary"
       />

kotlin

注册下载按钮的监听，在相应的回调方法里做处理，以下为rxjava模拟下载过程（代码没贴全，详细移步MainActivity ）:

 private val map = ConcurrentHashMap<DownLoadButton, Disposable>(4)

    private fun registerButton(btn_download: DownLoadButton) {
        btn_download.setStateChangeListener(object : DownLoadButton.StateChangeListener {
            override fun onTaskPause() {

                map[btn_download]?.dispose()    //取出对应的dispose，暂停事件流
                btn_download.setState(DownLoadButton.STATE_PROGRESS_PAUSE)
            }

            override fun onTaskFinish() {

                btn_download.setState(DownLoadButton.STATE_PROGRESS_FINISH)
                Toast.makeText(this@MainActivity, "正在安装...", Toast.LENGTH_SHORT).show()
            }

            override fun onTaskLoading() {
                dispose = downloadTest(btn_download)
                dispose?.let {
                    map[btn_download] = it   //将四个按钮各自的dispose存起来
                }
            }

        })
    }

     var dispose: Disposable? = null
     
     private fun downloadTest(btn_download: DownLoadButton): Disposable {
        btn_download.max = 100
        return Observable.interval(0, 1, TimeUnit.SECONDS)
                .subscribeOn(Schedulers.computation())
                .filter { t -> t < 10 }
                .map { t -> t.toInt() }
                .subscribeOn(AndroidSchedulers.mainThread())
                .subscribe {

                    btn_download.setState(DownLoadButton.STATE_PROGRESS_DOWNLOADING)
                    when (btn_download) {
                        btn_download1 -> onProgress1(btn_download)
                        btn_download2 -> onProgress2(btn_download)
                        btn_download3 -> onProgress3(btn_download)
                        btn_download4 -> onProgress4(btn_download)
                    }

                }

    }

API

方法名	备注
border_width	按钮边框粗细
border_color	边框颜色
border_radius	边框四个角度
loading_progress_color	下载进度条颜色
install_color	下载完成后按钮背景色
progress_textSize	进度条上的文字
text_color	进度条文字颜色
percent_show	进度条上显示文字或是进度百分比（true：百分比）
border_show	是否显示边框