很酷的Android下载进度条：DownloadProgressBar
一个带有很酷动画的Android进度条，设计源于https://dribbble.com/shots/2012292-Download-Animation
Attributes
| Attribute | Type | Usage |
|---|---|---|
| app:circleRadius | dimension | The dimension of the circle radius |
| app:strokeWidth | dimension | The dimension of the circle stroke width |
| app:lineWidth | dimension | Color used for the progress completed |
| app:progressDuration | integer | Duration of progress. Default value is set to 1000 ms |
| app:resultDuration | integer | Duration of result, either success and error. Default set to 4000 ms |
| app:overshootValue | dimension | Value of overshoot interpolator (used for popping up the circle) |
| app:drawingColor | color | Color used for drawing inside drawables (white on gif) |
| app:progressColor | color | Color used for drawing the progress (white on gif) |
| app:circleBackgroundColor | color | Color used for drawing background circle (light blue on gif) |
| app:progressBackgroundColor | color | Color used for drawing progress background (light blue on gif) |
下载
repositories { maven { url "https://jitpack.io" } } dependencies { compile 'com.github.panwrona:DownloadProgressBar:1.0' } 用法
首先需要区别的是两种结果：成功和失败。要播放成功动画，调用下面的一行代码：
DownloadProgressBar downloadProgressBar = (DownloadProgressBar)findViewById(R.id.download_progress_view); downloadProgressBar.playToSuccess();
如果想播放错误动画，调用：
DownloadProgressBar downloadProgressBar = (DownloadProgressBar)findViewById(R.id.download_progress_view); downloadProgressBar.playToError();
同时我还添加了常用事件的listener：whole animation start, whole animation end, progress update, animation success, animation error。要实现他们，如下：
downloadProgressBar.setOnProgressUpdateListener(new DownloadProgressBar.OnProgressUpdateListener() { @Override public void onProgressUpdate(float currentPlayTime) { // Here we are setting % value on our text view. successTextView.setText(Math.round(currentPlayTime / 3.6) + " %"); } @Override public void onAnimationStarted() { // Here we are disabling our view because of possible interactions while animating. downloadProgressBar.setEnabled(false); } @Override public void onAnimationEnded() { successTextView.setText("Click to download"); downloadProgressBar.setEnabled(true); } @Override public void onAnimationSuccess() { successTextView.setText("Downloaded!"); } @Override public void onAnimationError() { } }); 本文由用户 jopen 自行上传分享，仅供网友学习交流。所有权归原作者，若您的权利被侵害，请联系管理员。
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