SleepCartogramView.java

import android.content.Context;

import android.content.res.TypedArray;

import android.graphics.Canvas;

import android.graphics.Color;

import android.graphics.Paint;

import android.support.annotation.Nullable;

import android.util.AttributeSet;

import android.view.MotionEvent;

import android.view.View;

import android.view.ViewGroup;

import com.careeach.sport.R;

import java.text.SimpleDateFormat;

import java.util.Date;

import java.util.List;

/**

* 睡眠条形图

*/

public class SleepCartogramView extends View {

private int height;

private int width;

private Paint timeTextPaint;

private float minuteWidth;

private float contentEndY;

//ATTR

// private float attrSpacing;

private int attrTextColor;

private int attrBodyColor;

private int attrXLineColor;

private int attrChooseColor;

private float attrTextSize;

private float attrTextMarginTop;

private float attrTextMarginBottom;

private float attrPaddingTop;

private float attrXLineHeight;

private Paint stripePaint;

private Paint xLinePaint;

private Paint bodyBGPaint;

private Listvalues;

private String beginTimeLabel;

private String endTimeLabel;

private float touchX = 0;

private OnSelectedChanged onSelectedChanged;

private ViewGroup parentViewGroup;

public SleepCartogramView(Context context) {

super(context);

}

public SleepCartogramView(Context context, @Nullable AttributeSet attrs) {

super(context, attrs);

init(context, attrs);

}

public SleepCartogramView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {

super(context, attrs, defStyleAttr);

init(context, attrs);

}

public SleepCartogramView(Context context, @Nullable AttributeSet attrs, int defStyleAttr, int defStyleRes) {

super(context, attrs, defStyleAttr, defStyleRes);

init(context, attrs);

}

private void init(Context context, AttributeSet attrs) {

TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.SleepCartogramView);

attrTextColor = typedArray.getColor(R.styleable.SleepCartogramView_sc_textColor, Color.GRAY);

attrBodyColor = typedArray.getColor(R.styleable.SleepCartogramView_sc_bodyColor, Color.GRAY);

attrXLineColor = typedArray.getColor(R.styleable.SleepCartogramView_sc_xLineColor, Color.GRAY);

attrChooseColor = typedArray.getColor(R.styleable.SleepCartogramView_sc_chooseColor, Color.WHITE);

attrTextSize = typedArray.getDimension(R.styleable.SleepCartogramView_sc_textSize, 10);

attrTextMarginTop = typedArray.getDimension(R.styleable.SleepCartogramView_sc_textMarginTop, 10);

attrTextMarginBottom = typedArray.getDimension(R.styleable.SleepCartogramView_sc_textMarginBottom, 10);

attrPaddingTop = typedArray.getDimension(R.styleable.SleepCartogramView_sc_paddingTop, 10);

attrXLineHeight = typedArray.getDimension(R.styleable.SleepCartogramView_sc_xLineHeight, 1);

typedArray.recycle();

timeTextPaint = new Paint();

timeTextPaint.setTextSize(attrTextSize);

timeTextPaint.setColor(attrTextColor);

stripePaint = new Paint();

stripePaint.setAntiAlias(true);

stripePaint.setStyle(Paint.Style.FILL);

xLinePaint = new Paint();

xLinePaint.setColor(attrXLineColor);

xLinePaint.setStrokeWidth(attrXLineHeight);

bodyBGPaint = new Paint();

bodyBGPaint.setColor(attrBodyColor);

bodyBGPaint.setAntiAlias(true);

bodyBGPaint.setStyle(Paint.Style.FILL);

}

@Override

protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {

super.onMeasure(widthMeasureSpec, heightMeasureSpec);

width = getMeasuredWidth();

height = getMeasuredHeight();

contentEndY = height - attrTextMarginBottom - attrTextMarginTop - measureTextHeight(timeTextPaint);

}

@Override

protected void onDraw(Canvas canvas) {

super.onDraw(canvas);

canvas.drawRect(0, 0, width, contentEndY, bodyBGPaint);

if (values != null && values.size() > 0) {

for (int i = 0; i < values.size(); i++) {

Long[] valueArray = values.get(i);

long beginTime = valueArray[0];

long endTime = valueArray[1];

int color = valueArray[2].intValue();

float left = ((beginTime - values.get(0)[0]) / 60000) * minuteWidth;

float top = attrPaddingTop;

float right = ((endTime - values.get(0)[0]) / 60000) * minuteWidth;

float bottom = contentEndY;

if ((touchX == 0 && i == 0) || (touchX >= left && touchX <= right)) {

stripePaint.setColor(attrChooseColor);

if (onSelectedChanged != null) {

onSelectedChanged.onChanged(i);

}

} else {

stripePaint.setColor(color);

}

canvas.drawRect(left, top, right, bottom, stripePaint);

}

}

canvas.drawLine(0, contentEndY + attrXLineHeight, width, contentEndY + attrXLineHeight, xLinePaint);

if (beginTimeLabel != null && beginTimeLabel.length() > 0) {

canvas.drawText(beginTimeLabel, 0, height - attrTextMarginBottom, timeTextPaint);

}

if (endTimeLabel != null && endTimeLabel.length() > 0) {

canvas.drawText(endTimeLabel, width - timeTextPaint.measureText(endTimeLabel), height - attrTextMarginBottom, timeTextPaint);

}

}

private String dateFormat(Date date, String pattern) {

SimpleDateFormat simpleDateFormat = new SimpleDateFormat(pattern);

return simpleDateFormat.format(date);

}

public void setValues(Listvalues) {

if (values != null && values.size() > 0) {

beginTimeLabel = dateFormat(new Date(values.get(0)[0]), "HH:mm");

endTimeLabel = dateFormat(new Date(values.get(values.size() - 1)[1]), "HH:mm");

long unitMinute = (values.get(values.size() - 1)[1] - values.get(0)[0]) / 60000;

minuteWidth = (float) width / (float) unitMinute;

} else {

beginTimeLabel = "00:00";

endTimeLabel = "08:00";

minuteWidth = 0;

}

this.values = values;

touchX = 0;

postInvalidate();

}

private int dip2px(float dpValue) {

final float scale = getContext().getResources().getDisplayMetrics().density;

return (int) (dpValue * scale + 0.5f);

}

/**

* 测量文字的高度

**/

public static float measureTextHeight(Paint paint) {

float height = 0f;

if (null == paint) {

return height;

}

Paint.FontMetrics fontMetrics = paint.getFontMetrics();

height = fontMetrics.descent - fontMetrics.ascent;

return height;

}

@Override

public boolean onTouchEvent(MotionEvent event) {

switch (event.getAction()) {

case MotionEvent.ACTION_DOWN:

touchX = event.getX();

if (parentViewGroup != null) {

parentViewGroup.requestDisallowInterceptTouchEvent(true);

}

postInvalidate();

break;

case MotionEvent.ACTION_MOVE:

if (Math.abs(event.getX() - touchX) > 1) {

touchX = event.getX();

postInvalidate();

}

break;

case MotionEvent.ACTION_UP:

touchX = event.getX();

postInvalidate();

if (parentViewGroup != null) {

parentViewGroup.requestDisallowInterceptTouchEvent(false);

}

break;

}

return true;

}

public interface OnSelectedChanged {

void onChanged(int position);

}

public void setParentViewGroup(ViewGroup parentViewGroup) {

this.parentViewGroup = parentViewGroup;

}

public OnSelectedChanged getOnSelectedChanged() {

return onSelectedChanged;

}

public void setOnSelectedChanged(OnSelectedChanged onSelectedChanged) {

this.onSelectedChanged = onSelectedChanged;

}

}

attrs.xml添加属性

使用

/**

* 设置值

* @param values

* array[0] 开始时间

* array[1] 结束时间

* array[2] 颜色值

*/

void setValues(Listvalues)

void setParentViewGroup(ViewGroup parentViewGroup)

/**

* 添加选中监听

*/

scStatis.setOnSelectedChanged(new SleepCartogramView.OnSelectedChanged() {

@Override

public void onChanged(int position) {

}

});