Android实现步进式录像进度条

2023-12-05 06:58

本文主要是介绍Android实现步进式录像进度条,希望对大家解决编程问题提供一定的参考价值,需要的开发者们随着小编来一起学习吧!

现在的APP对用户的体验要求越来越高,操作简单、样式新颖的交互能够提高用户的黏性。今天来实现一下步进式录像进度条,秒拍中用到这样的进度条,如下图:


下面来简单实现一下:

activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:tools="http://schemas.android.com/tools"android:layout_width="match_parent"android:layout_height="match_parent"android:paddingBottom="@dimen/activity_vertical_margin"android:paddingTop="@dimen/activity_vertical_margin"tools:context=".MainActivity" ><RelativeLayoutandroid:id="@+id/progress_layout"android:layout_width="match_parent"android:layout_height="wrap_content" ><com.jackie.steppingprogressbar.SteppingProgressBarandroid:id="@+id/stepping_progressbar"android:layout_width="match_parent"android:layout_height="50dp" /></RelativeLayout><LinearLayoutandroid:id="@+id/button_layout"android:layout_width="match_parent"android:layout_height="wrap_content"android:layout_below="@id/progress_layout"android:layout_marginTop="30dp" ><Buttonandroid:id="@+id/btn_start"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_marginLeft="15dp"android:onClick="onStartClick"android:text="开始" /><Buttonandroid:id="@+id/btn_stop"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_marginLeft="10dp"android:onClick="onStopClick"android:text="停止" /><Buttonandroid:id="@+id/btn_reset"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_marginLeft="10dp"android:onClick="onResetClick"android:text="重置" /><Buttonandroid:id="@+id/btn_delete"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_marginLeft="10dp"android:onClick="onDeleteClick"android:text="删除" /></LinearLayout></RelativeLayout>
SteppingProgressBar.java

package com.jackie.steppingprogressbar;import java.util.ArrayList;
import java.util.List;import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Paint.Style;
import android.graphics.Rect;
import android.graphics.Typeface;
import android.util.AttributeSet;
import android.view.View;public class SteppingProgressBar extends View {private Paint mPaint;private int mMaxWidth;private float mPercent = 0;private boolean mIsProgressPause;private boolean mAddTimeStamp;private List<Rect> mTimeStampPosition = new ArrayList<Rect>();private List<Float> mTimeStampPercent = new ArrayList<Float>();private final int STATE_NORMAL = 1;private final int STATE_DELETE_PREPARE = 2;private final int STATE_DELETE_DONE = 3;private int mState = STATE_NORMAL;private int MAX_PERCENT = 100;private final static int PROGRESS_TEXT_SIZE = 56;private final static int PROGRESS_SCALE = 1000;private final static int PROGRESS_BACKGROUND_COLOR = Color.parseColor("#66030e18");private final static int PROGRESS_PASSED_COLOR = Color.parseColor("#7cb855");private final static int PROGRESS_STAMP_COLOR = Color.parseColor("#4a7b17");private final static int PROGRESS_TEXT_COLOR = Color.parseColor("#ff0000");private final static int PROGRESS_DELETING_COLOR = Color.parseColor("#3c6e57");private SteppingProgressBarCallbackListener mSteppingProgressBarCallbackListener = null;public void setOnDeleteCallbackListener(SteppingProgressBarCallbackListener listener) {this.mSteppingProgressBarCallbackListener = listener;}public interface SteppingProgressBarCallbackListener {/* 删除完成的回调 */public void deleteDone(float percent);}public SteppingProgressBar(Context context, AttributeSet attrs) {super(context, attrs);initData();}private void initData() {mPaint = new Paint();mPaint.setAlpha(255);mPaint.setStyle(Style.FILL);mPaint.setDither(true);  //防抖动mPaint.setAntiAlias(true); //放锯齿}@Overrideprotected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {//获取尺寸int size = MeasureSpec.getSize(heightMeasureSpec);size = (int)(size + PROGRESS_TEXT_SIZE + 10);heightMeasureSpec = MeasureSpec.makeMeasureSpec(size, MeasureSpec.EXACTLY);super.onMeasure(widthMeasureSpec, heightMeasureSpec);}@Overrideprotected void onDraw(Canvas canvas) {super.onDraw(canvas);//绘制底色mPaint.setColor(PROGRESS_BACKGROUND_COLOR);float width = mMaxWidth = getWidth();float height = getHeight() - PROGRESS_TEXT_SIZE - 10;canvas.drawRect(0, 0, width, height, mPaint);//绘制进度色mPaint.setColor(PROGRESS_PASSED_COLOR);width = (float) mPercent / (float) MAX_PERCENT * width;canvas.drawRect(0, 0, width, height, mPaint);//在下次进度条重新开始时,计算上次的分隔条if (mAddTimeStamp && mState == STATE_NORMAL && !mIsProgressPause) {mAddTimeStamp = false;Rect mRect = new Rect();mRect.left = (int) (width - 4); mRect.top = 0;mRect.right = (int) width;mRect.bottom = (int) height;mTimeStampPosition.add(mRect);mTimeStampPercent.add(mPercent);}//绘制所有分隔条for (Rect mRect : mTimeStampPosition) {mPaint.setColor(PROGRESS_STAMP_COLOR);canvas.drawRect(mRect, mPaint);}//绘制进度值文本mPaint.setStrokeWidth(0);mPaint.setColor(PROGRESS_TEXT_COLOR);mPaint.setTextSize(PROGRESS_TEXT_SIZE);mPaint.setTypeface(Typeface.DEFAULT);float textWidth = mPaint.measureText(mPercent / PROGRESS_SCALE + "s");if (mPercent != 0) {if (width + textWidth > mMaxWidth) {canvas.drawText(mPercent / PROGRESS_SCALE + "s", (width - textWidth), height + PROGRESS_TEXT_SIZE, mPaint);} else {canvas.drawText(mPercent / PROGRESS_SCALE + "s", width, height + PROGRESS_TEXT_SIZE, mPaint);}}if (mState == STATE_DELETE_DONE) {mState = STATE_NORMAL;//当删除完成时,准备绘制本次分隔条,当percent为0的时候不绘制if (mPercent != 0) {this.mAddTimeStamp = true;}} else if (mState == STATE_DELETE_PREPARE) {//当准备删除时,将上段时间内的进度条变色mPaint.setColor(PROGRESS_DELETING_COLOR);int left;if (mTimeStampPosition != null && mTimeStampPosition.size() > 0) {left = mTimeStampPosition.get(mTimeStampPosition.size() -1).right;} else {left = 0;}canvas.drawRect(left, 0, width, height, mPaint);}}/*** 进度条的最大值* @param maxPercent*/public void setMax(int maxPercent) {this.MAX_PERCENT = maxPercent;}/*** 当前进度* @return*/public float getProgress() {return mPercent;}/*** 设置当前进度* @param percent*/public void setProgress(float percent) {if (percent < 0) {return;}if (percent >= MAX_PERCENT) {percent = MAX_PERCENT;}this.mPercent = percent;this.mState = STATE_NORMAL;this.mIsProgressPause = false;invalidate();}/*** 设置视频录制中间的断点时间戳* @param timeStamp*/public void setTimeStamp(boolean timeStamp) {this.mIsProgressPause = true;this.mAddTimeStamp = timeStamp;}/*** 准备删除前一段进度*/public void deleteLastStepPrepare() {if (mState == STATE_DELETE_PREPARE) {return;}mState = STATE_DELETE_PREPARE;invalidate();}/*** 确认删除前一段进度*/public void deleteLastStep() {if (mState != STATE_DELETE_PREPARE) {deleteLastStepPrepare();return;}if (mTimeStampPercent != null && mTimeStampPercent.size() > 0) {this.mPercent = mTimeStampPercent.remove(mTimeStampPercent.size() - 1);} else {this.mPercent = 0;}this.mAddTimeStamp = false;mState = STATE_DELETE_DONE;//操作断点if (mTimeStampPosition != null && mTimeStampPosition.size() > 0) {mTimeStampPosition.remove(mTimeStampPosition.size() - 1);}if (mSteppingProgressBarCallbackListener != null) {mSteppingProgressBarCallbackListener.deleteDone(this.mPercent);}invalidate();}/*** 取消删除前一段进度*/public void deleteLastStepCancel() {if (mState == STATE_NORMAL) {return;}mState = STATE_DELETE_DONE;invalidate();}/*** 重置进度条*/public void reset() {this.mPercent = 0;this.mAddTimeStamp = false;mTimeStampPosition.clear();mTimeStampPercent.clear();invalidate();}
}
MainActivity.java

package com.jackie.steppingprogressbar;import com.jackie.steppingprogressbar.SteppingProgressBar.SteppingProgressBarCallbackListener;import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.Menu;
import android.view.View;public class MainActivity extends Activity {SteppingProgressBar mProgressBar;private boolean mIsStopped = true;private int mProgress;private Handler mHandler = new Handler() {@Overridepublic void handleMessage(Message msg) {super.handleMessage(msg);setProgress();}};@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);mProgressBar = (SteppingProgressBar) findViewById(R.id.stepping_progressbar);mProgressBar.setMax(10000);}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// Inflate the menu; this adds items to the action bar if it is present.// getMenuInflater().inflate(R.menu.main, menu);return true;}public void onStartClick(View view) {if (!mIsStopped) {return;}mIsStopped = false;mHandler.removeMessages(0);mHandler.sendEmptyMessage(0);}private void setProgress() {if (mProgress > 10000) {mHandler.removeMessages(0);} else if (!mIsStopped) {mProgress += 100;mProgressBar.setProgress(mProgress);mHandler.sendEmptyMessageDelayed(0, 100);}}public void onStopClick(View view) {mIsStopped = true;mProgressBar.setTimeStamp(true);}public void onResetClick(View view) {mProgressBar.reset();mProgress = 0;}public void onDeleteClick(View view) {if (!mIsStopped) {return;}mProgressBar.deleteLastStep();mProgressBar.setOnDeleteCallbackListener(new SteppingProgressBarCallbackListener() {@Overridepublic void deleteDone(float percent) {mProgress = (int) percent;}});}
}
效果图如下:

   


这篇关于Android实现步进式录像进度条的文章就介绍到这儿,希望我们推荐的文章对编程师们有所帮助!



http://www.chinasem.cn/article/456602

相关文章

基于 HTML5 Canvas 实现图片旋转与下载功能(完整代码展示)

《基于HTML5Canvas实现图片旋转与下载功能(完整代码展示)》本文将深入剖析一段基于HTML5Canvas的代码,该代码实现了图片的旋转(90度和180度)以及旋转后图片的下载... 目录一、引言二、html 结构分析三、css 样式分析四、JavaScript 功能实现一、引言在 Web 开发中,

SpringBoot中使用Flux实现流式返回的方法小结

《SpringBoot中使用Flux实现流式返回的方法小结》文章介绍流式返回(StreamingResponse)在SpringBoot中通过Flux实现,优势包括提升用户体验、降低内存消耗、支持长连... 目录背景流式返回的核心概念与优势1. 提升用户体验2. 降低内存消耗3. 支持长连接与实时通信在Sp

Conda虚拟环境的复制和迁移的四种方法实现

《Conda虚拟环境的复制和迁移的四种方法实现》本文主要介绍了Conda虚拟环境的复制和迁移的四种方法实现,包括requirements.txt,environment.yml,conda-pack,... 目录在本机复制Conda虚拟环境相同操作系统之间复制环境方法一:requirements.txt方法

Spring Boot 实现 IP 限流的原理、实践与利弊解析

《SpringBoot实现IP限流的原理、实践与利弊解析》在SpringBoot中实现IP限流是一种简单而有效的方式来保障系统的稳定性和可用性,本文给大家介绍SpringBoot实现IP限... 目录一、引言二、IP 限流原理2.1 令牌桶算法2.2 漏桶算法三、使用场景3.1 防止恶意攻击3.2 控制资源

springboot下载接口限速功能实现

《springboot下载接口限速功能实现》通过Redis统计并发数动态调整每个用户带宽,核心逻辑为每秒读取并发送限定数据量,防止单用户占用过多资源,确保整体下载均衡且高效,本文给大家介绍spring... 目录 一、整体目标 二、涉及的主要类/方法✅ 三、核心流程图解(简化) 四、关键代码详解1️⃣ 设置

Nginx 配置跨域的实现及常见问题解决

《Nginx配置跨域的实现及常见问题解决》本文主要介绍了Nginx配置跨域的实现及常见问题解决,文中通过示例代码介绍的非常详细,对大家的学习或者工作具有一定的参考学习价值,需要的朋友们下面随着小编来... 目录1. 跨域1.1 同源策略1.2 跨域资源共享(CORS)2. Nginx 配置跨域的场景2.1

Python中提取文件名扩展名的多种方法实现

《Python中提取文件名扩展名的多种方法实现》在Python编程中,经常会遇到需要从文件名中提取扩展名的场景,Python提供了多种方法来实现这一功能,不同方法适用于不同的场景和需求,包括os.pa... 目录技术背景实现步骤方法一:使用os.path.splitext方法二:使用pathlib模块方法三

CSS实现元素撑满剩余空间的五种方法

《CSS实现元素撑满剩余空间的五种方法》在日常开发中,我们经常需要让某个元素占据容器的剩余空间,本文将介绍5种不同的方法来实现这个需求,并分析各种方法的优缺点,感兴趣的朋友一起看看吧... css实现元素撑满剩余空间的5种方法 在日常开发中,我们经常需要让某个元素占据容器的剩余空间。这是一个常见的布局需求

HTML5 getUserMedia API网页录音实现指南示例小结

《HTML5getUserMediaAPI网页录音实现指南示例小结》本教程将指导你如何利用这一API,结合WebAudioAPI,实现网页录音功能,从获取音频流到处理和保存录音,整个过程将逐步... 目录1. html5 getUserMedia API简介1.1 API概念与历史1.2 功能与优势1.3

Java实现删除文件中的指定内容

《Java实现删除文件中的指定内容》在日常开发中,经常需要对文本文件进行批量处理,其中,删除文件中指定内容是最常见的需求之一,下面我们就来看看如何使用java实现删除文件中的指定内容吧... 目录1. 项目背景详细介绍2. 项目需求详细介绍2.1 功能需求2.2 非功能需求3. 相关技术详细介绍3.1 Ja