个人做百度云下载网站,领导与中建三局集团有限公司,网站制作中动态展示怎么做,学设计的基础是什么声浪效果是基于第三方实现的。 https://github.com/xfans/VoiceWaveView 将三方的 Kotlin 代码转 java 使用#xff08;按照他的readme 进行依赖#xff0c;好像少了点东西#xff0c;至少本项目跑不起来#xff09; 声浪效果在android 8 以上都是比较好的#xff0c;不会…声浪效果是基于第三方实现的。 https://github.com/xfans/VoiceWaveView 将三方的 Kotlin 代码转 java 使用按照他的readme 进行依赖好像少了点东西至少本项目跑不起来 声浪效果在android 8 以上都是比较好的不会出现断点的情况。但是在 android 8下就会出现如下图所示的断点情况。 主类
import android.animation.ValueAnimator;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Path;
import android.os.Handler;
import android.os.Parcelable;
import android.util.AttributeSet;
import android.view.Gravity;
import android.view.View;import androidx.annotation.Nullable;import java.util.ArrayList;
import java.util.List;/*** 音浪线*/
public class VoiceWaveView extends View {private static final String TAG VoiceWaveView;private ListInteger bodyWaveList new ArrayList();private ListInteger headerWaveList new ArrayList();private ListInteger footerWaveList new ArrayList();private ListInteger waveList new ArrayList();private float lineSpace 10f;private float lineWidth 20f;private long duration 200;private int lineColor Color.BLUE;private Paint paintLine;private Paint paintPathLine;private ValueAnimator valueAnimator ValueAnimator.ofFloat(0f, 1f);private float valueAnimatorOffset 1f;private Handler valHandler new Handler();private Path linePath new Path();private boolean isStart false;private WaveMode waveMode WaveMode.UP_DOWN;private LineType lineType LineType.BAR_CHART;private int showGravity Gravity.LEFT | Gravity.BOTTOM;private Runnable runnable;public VoiceWaveView(Context context) {this(context, null);}public VoiceWaveView(Context context, Nullable AttributeSet attrs) {this(context, attrs, 0);}public VoiceWaveView(Context context, Nullable AttributeSet attrs, int defStyle) {super(context, attrs, defStyle);init(attrs);}private void init(Nullable AttributeSet attrs) {if (attrs ! null) {// Read and initialize attributes here}paintLine new Paint();paintLine.setAntiAlias(true);paintLine.setStrokeCap(Paint.Cap.ROUND);paintPathLine new Paint();paintPathLine.setAntiAlias(true);paintPathLine.setStyle(Paint.Style.STROKE);valueAnimator.addUpdateListener(animation - {valueAnimatorOffset (float) animation.getAnimatedValue();invalidate();});}public void setLineSpace(float lineSpace) {this.lineSpace lineSpace;}public void setLineWidth(float lineWidth) {this.lineWidth lineWidth;}public void setDuration(long duration) {this.duration duration;}public void setLineColor(int lineColor) {this.lineColor lineColor;}public void setWaveMode(WaveMode waveMode) {this.waveMode waveMode;}public void setLineType(LineType lineType) {this.lineType lineType;}public void setShowGravity(int showGravity) {this.showGravity showGravity;}public VoiceWaveView addBody(int soundLevel) {checkNum(soundLevel);bodyWaveList.add(soundLevel);return this;}public VoiceWaveView initBody(int length, int soundLevel) {bodyWaveList.clear();for (int i 0; i length; i) {addBody(soundLevel);}return this;}// TODO: 2023/11/1 中间弹的的逻辑public VoiceWaveView refreshBody(int soundLevel) {// 添加 soundLevel 到头部bodyWaveList.add(0, soundLevel);// 递减相邻元素的值for (int i 1; i bodyWaveList.size() - 1; i) {int previousValue bodyWaveList.get(i - 1);int currentValue bodyWaveList.get(i);int nextValue bodyWaveList.get(i 1);int updatedValue Math.max(currentValue - 1, Math.max(previousValue, nextValue) - 2);bodyWaveList.set(i, updatedValue);}return this;}/*** 刷新最后一个** param soundLevel*/public void updateBody(int soundLevel) {bodyWaveList.remove(bodyWaveList.size() - 1);addBody(soundLevel);}public VoiceWaveView addHeader(int soundLevel) {checkNum(soundLevel);headerWaveList.add(soundLevel);return this;}public VoiceWaveView addFooter(int soundLevel) {checkNum(soundLevel);footerWaveList.add(soundLevel);return this;}private void checkNum(int soundLevel) {if (soundLevel 0 || soundLevel 100) {throw new IllegalArgumentException(num must be between 0 and 100);}}public void start() {if (isStart) {return;}L.i(TAG, start );isStart true;if (waveMode WaveMode.UP_DOWN) {valueAnimator.setDuration(duration);valueAnimator.setRepeatMode(ValueAnimator.REVERSE);valueAnimator.setRepeatCount(ValueAnimator.INFINITE);valueAnimator.start();} else if (waveMode WaveMode.LEFT_RIGHT) {runnable new Runnable() {Overridepublic void run() {//日志类自己构建即可L.i(TAG, bodyWaveList.toString());Integer last bodyWaveList.remove(bodyWaveList.size() - 1);bodyWaveList.add(0, last);invalidate();valHandler.postDelayed(this, duration);}};valHandler.post(runnable);}}Overrideprotected void onDraw(Canvas canvas) {super.onDraw(canvas);L.i(TAG, onDraw );waveList.clear();waveList.addAll(headerWaveList);waveList.addAll(bodyWaveList);waveList.addAll(footerWaveList);linePath.reset();paintPathLine.setStrokeWidth(lineWidth);paintPathLine.setColor(lineColor);paintLine.setStrokeWidth(lineWidth);paintLine.setColor(lineColor);float measuredWidth getMeasuredWidth();float measuredHeight getMeasuredHeight();float startX 0f;float startY 0f;float endX 0f;float endY 0f;for (int i 0; i waveList.size(); i) {float offset 1f;if (i headerWaveList.size() i (waveList.size() - footerWaveList.size())) {offset valueAnimatorOffset;}float lineHeight (waveList.get(i) / 100.0f) * measuredHeight * offset;int absoluteGravity Gravity.getAbsoluteGravity(showGravity, getLayoutDirection());switch (absoluteGravity Gravity.HORIZONTAL_GRAVITY_MASK) {case Gravity.CENTER_HORIZONTAL:int lineSize waveList.size();float allLineWidth lineSize * (lineSpace lineWidth);if (allLineWidth measuredWidth) {startX (i * (lineSpace lineWidth) lineWidth / 2) ((measuredWidth - allLineWidth) / 2);} else {startX i * (lineSpace lineWidth) lineWidth / 2;}endX startX;break;case Gravity.RIGHT:lineSize waveList.size();allLineWidth lineSize * (lineSpace lineWidth);if (allLineWidth measuredWidth) {startX (i * (lineSpace lineWidth) lineWidth / 2) (measuredWidth - allLineWidth);} else {startX i * (lineSpace lineWidth) lineWidth / 2;}endX startX;break;case Gravity.LEFT:startX i * (lineSpace lineWidth) lineWidth / 2;endX startX;break;}switch (showGravity Gravity.VERTICAL_GRAVITY_MASK) {case Gravity.TOP:startY 0f;endY lineHeight;break;case Gravity.CENTER_VERTICAL:startY (measuredHeight / 2 - lineHeight / 2);endY (measuredHeight / 2 lineHeight / 2);break;case Gravity.BOTTOM:startY (measuredHeight - lineHeight);endY measuredHeight;break;}if (lineType LineType.BAR_CHART) {canvas.drawLine(startX, startY, endX, endY, paintLine);}if (lineType LineType.LINE_GRAPH) {if (i 0) {linePath.moveTo(startX, startY);float pathEndX endX (lineWidth / 2) (lineSpace / 2);linePath.lineTo(pathEndX, endY);} else {linePath.lineTo(startX, startY);float pathEndX endX (lineWidth / 2) (lineSpace / 2);linePath.lineTo(pathEndX, endY);}}}if (lineType LineType.LINE_GRAPH) {canvas.drawPath(linePath, paintPathLine);}}public void stop() {L.i(TAG, stop );isStart false;if (runnable ! null) {valHandler.removeCallbacks(runnable);}valueAnimator.cancel();}Overrideprotected Parcelable onSaveInstanceState() {// TODO onSaveInstanceStatereturn super.onSaveInstanceState();}Overrideprotected void onRestoreInstanceState(Parcelable state) {// TODO onRestoreInstanceStatesuper.onRestoreInstanceState(state);}
}
相关枚举类
public enum LineType {LINE_GRAPH(0),BAR_CHART(1);private int value;private LineType(int value) {this.value value;}public int value() {return this.value;}
}
public enum WaveMode {UP_DOWN,LEFT_RIGHT
}
