package com.samknows.measurement.activity.components; import com.samknows.libcore.R; import android.content.Context; import android.content.res.TypedArray; import android.graphics.Canvas; import android.graphics.Paint; import android.graphics.Paint.Style; import android.graphics.RectF; import android.graphics.Shader; import android.os.Handler; import android.os.Message; import android.util.AttributeSet; import android.view.View; /** * An indicator of progress, similar to Android's ProgressBar. * Can be used in 'spin mode' or 'increment mode' * @author Todd Davies * * Licensed under the Creative Commons Attribution 3.0 license see http://creativecommons.org/licenses/by/3.0/ * */ public class ProgressWheel extends View { //Sizes (with defaults) private int fullRadius = 100; private int circleRadius = 80; private int mBarLength = 60; private int barWidth = 20; private int rimWidth = 20; private int textSize = 20; //Padding (with defaults) private int paddingTop = 0; private int paddingBottom = 0; private int paddingLeft = 0; private int paddingRight = 0; //Colors (with defaults) private int barColor = 0xAA000000; private int circleColor = 0x00000000; private int rimColor = 0xAADDDDDD; private int textColor = 0xFF000000; //Paints private final Paint barPaint = new Paint(); private final Paint circlePaint = new Paint(); private final Paint rimPaint = new Paint(); private final Paint textPaint = new Paint(); //Rectangles @SuppressWarnings("unused") private RectF rectBounds = new RectF(); private RectF circleBounds = new RectF(); //Animation //The amount of pixels to move the bar by on each draw private int spinSpeed = 2; //The number of milliseconds to wait inbetween each draw private int delayMillis = 0; private final Handler spinHandler = new Handler() { /** * This is the code that will increment the progress variable * and so spin the wheel */ @Override public void handleMessage(Message msg) { invalidate(); if(isSpinning) { progress+=spinSpeed; if(progress>360) { progress = 0; } spinHandler.sendEmptyMessageDelayed(0, delayMillis); } //super.handleMessage(msg); } }; int progress = 0; boolean isSpinning = false; //Other private String text = "Test"; private String[] splitText = {}; /** * The constructor for the ProgressWheel * @param context * @param attrs */ public ProgressWheel(Context context, AttributeSet attrs) { super(context, attrs); parseAttributes(context.obtainStyledAttributes(attrs, R.styleable.ProgressWheel)); // } //---------------------------------- //Setting up stuff //---------------------------------- /** * Now we know the dimensions of the view, setup the bounds and paints */ @Override public void onAttachedToWindow() { super.onAttachedToWindow(); setupBounds(); setupPaints(); invalidate(); } /** * Set the properties of the paints we're using to * draw the progress wheel */ public void setupPaints() { barPaint.setColor(barColor); barPaint.setAntiAlias(true); barPaint.setStyle(Style.STROKE); barPaint.setStrokeWidth(barWidth); rimPaint.setColor(rimColor); rimPaint.setAntiAlias(true); rimPaint.setStyle(Style.STROKE); rimPaint.setStrokeWidth(rimWidth); circlePaint.setColor(circleColor); circlePaint.setAntiAlias(true); circlePaint.setStyle(Style.FILL); textPaint.setColor(textColor); textPaint.setStyle(Style.FILL); textPaint.setAntiAlias(true); textPaint.setTextSize(textSize); } /** * Set the bounds of the component */ private void setupBounds() { paddingTop = this.getPaddingTop(); paddingBottom = this.getPaddingBottom(); paddingLeft = this.getPaddingLeft(); paddingRight = this.getPaddingRight(); rectBounds = new RectF(paddingLeft, paddingTop, this.getLayoutParams().width - paddingRight, this.getLayoutParams().height - paddingBottom); circleBounds = new RectF(paddingLeft + barWidth, paddingTop + barWidth, this.getLayoutParams().width - paddingRight - barWidth, this.getLayoutParams().height - paddingBottom - barWidth); fullRadius = (this.getLayoutParams().width - paddingRight - barWidth)/2; circleRadius = (fullRadius - barWidth) + 1; } /** * Parse the attributes passed to the view from the XML * @param a the attributes to parse */ private void parseAttributes(TypedArray a) { barWidth = (int) a.getDimension(R.styleable.ProgressWheel_barWidth, barWidth); rimWidth = (int) a.getDimension(R.styleable.ProgressWheel_rimWidth, rimWidth); spinSpeed = (int) a.getDimension(R.styleable.ProgressWheel_spinSpeed, spinSpeed); /* delayMillis = (int) a.getInteger(R.styleable.ProgressWheel_delayMillis, delayMillis); if(delayMillis<0) { delayMillis = 0; } */ barColor = a.getColor(R.styleable.ProgressWheel_barColor, barColor); mBarLength = (int) a.getDimension(R.styleable.ProgressWheel_mBarLength, mBarLength); textSize = (int) a.getDimension(R.styleable.ProgressWheel_textSize, textSize); textColor = a.getColor(R.styleable.ProgressWheel_textColor, textColor); //setText(a.getString(R.styleable.ProgressWheel_title)); rimColor = a.getColor(R.styleable.ProgressWheel_rimColor, rimColor); circleColor = a.getColor(R.styleable.ProgressWheel_circleColor, circleColor); } //---------------------------------- //Animation stuff //---------------------------------- protected void onDraw(Canvas canvas) { super.onDraw(canvas); //Draw the rim canvas.drawArc(circleBounds, 360, 360, false, rimPaint); //Draw the bar if(isSpinning) { canvas.drawArc(circleBounds, progress - 1, mBarLength, false, barPaint); } else { canvas.drawArc(circleBounds, -90, progress, false, barPaint); } //Draw the inner circle canvas.drawCircle((circleBounds.width()/2) + rimWidth + paddingLeft, (circleBounds.height()/2) + rimWidth + paddingTop, circleRadius, circlePaint); //Draw the text (attempts to center it horizontally and vertically) int offsetNum = 0; for(String s : splitText) { float offset = textPaint.measureText(s) / 2; canvas.drawText(s, this.getWidth() / 2 - offset, this.getHeight() / 2 + (textSize*(offsetNum))+5 - ((splitText.length-1)*(textSize/2)), textPaint); offsetNum++; //canvas.drawText(s,0,0,textPaint); } } /** * Reset the count (in increment mode) */ public void resetCount() { progress = 0; setText("0%"); invalidate(); } /** * Turn off spin mode */ public void stopSpinning() { isSpinning = false; progress = 0; spinHandler.removeMessages(0); } /** * Puts the view on spin mode */ public void spin() { isSpinning = true; spinHandler.sendEmptyMessage(0); } /** * Increment the progress by 1 (of 360) */ public void incrementProgress() { isSpinning = false; progress++; setText(Math.round(((float)progress/360)*100) + "%"); spinHandler.sendEmptyMessage(0); } public void setProgress(int setStatus) { isSpinning = false; progress=setStatus; setText(Math.round(((float)progress/360)*100) + "%"); spinHandler.sendEmptyMessage(0); } public int getProgress(){ return progress; } //---------------------------------- //Getters + setters //---------------------------------- /** * Set the text in the progress bar * Doesn't invalidate the view * @param text the text to show ('\n' constitutes a new line) */ public void setText(String text) { this.text = text; splitText = this.text.split("\n"); } public int getCircleRadius() { return circleRadius; } public void setCircleRadius(int circleRadius) { this.circleRadius = circleRadius; } public int getMBarLength() { return mBarLength; } public void setMBarLength(int barLength) { this.mBarLength = barLength; } public int getBarWidth() { return barWidth; } public void setBarWidth(int barWidth) { this.barWidth = barWidth; } public int getTextSize() { return textSize; } public void setTextSize(int textSize) { this.textSize = textSize; } public int getPaddingTop() { return paddingTop; } public void setPaddingTop(int paddingTop) { this.paddingTop = paddingTop; } public int getPaddingBottom() { return paddingBottom; } public void setPaddingBottom(int paddingBottom) { this.paddingBottom = paddingBottom; } public int getPaddingLeft() { return paddingLeft; } public void setPaddingLeft(int paddingLeft) { this.paddingLeft = paddingLeft; } public int getPaddingRight() { return paddingRight; } public void setPaddingRight(int paddingRight) { this.paddingRight = paddingRight; } public int getBarColor() { return barColor; } public void setBarColor(int barColor) { this.barColor = barColor; } public int getCircleColor() { return circleColor; } public void setCircleColor(int circleColor) { this.circleColor = circleColor; } public int getRimColor() { return rimColor; } public void setRimColor(int rimColor) { this.rimColor = rimColor; } public Shader getRimShader() { return rimPaint.getShader(); } public void setRimShader(Shader shader) { this.rimPaint.setShader(shader); } public int getTextColor() { return textColor; } public void setTextColor(int textColor) { this.textColor = textColor; } public int getSpinSpeed() { return spinSpeed; } public void setSpinSpeed(int spinSpeed) { this.spinSpeed = spinSpeed; } public int getRimWidth() { return rimWidth; } public void setRimWidth(int rimWidth) { this.rimWidth = rimWidth; } public int getDelayMillis() { return delayMillis; } public void setDelayMillis(int delayMillis) { this.delayMillis = delayMillis; } }