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@DevPicon

DevPicon/StatusCircleView.java

Last active May 18, 2018 23:18
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status_circle_style.xml
<?xml version="1.0" encoding="utf-8"?>
<resources>
<declare-styleable name="StatusCircle">
<attr name="circleColor" format="color" />
<attr name="circleStrokeColor" format="color" />
<attr name="circleStrokeWidth" format="dimension" />
</declare-styleable>
</resources>
Raw
StatusCircleView.java
import android.content.Context;
import android.content.res.Resources;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.util.AttributeSet;
import android.view.View;
public class StatusCircleView extends View {
private int width;
private int height;
private Paint mBackgroundPaint;
private Paint mStrokePaint;
private float strokeWidth;
private int circleColor;
private int strokeColor;
public StatusCircleView(Context context, AttributeSet attrs) {
super(context, attrs);
init(context, attrs);
}
public StatusCircleView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
init(context, attrs);
}
public static int dpToPx(int dp) {
return (int) (dp * Resources.getSystem().getDisplayMetrics().density);
}
private void init(Context context, AttributeSet attrs) {
TypedArray mTypedArray = context.obtainStyledAttributes(attrs, R.styleable.StatusCircle, 0, 0);
circleColor = mTypedArray.getColor(R.styleable.StatusCircle_circleColor, Color.RED);
strokeColor = mTypedArray.getColor(R.styleable.StatusCircle_circleStrokeColor, Color.WHITE);
strokeWidth = mTypedArray.getDimension(R.styleable.StatusCircle_circleStrokeWidth, 0);
mBackgroundPaint = new Paint();
mBackgroundPaint.setColor(circleColor);
mBackgroundPaint.setStyle(Paint.Style.FILL);
mBackgroundPaint.setAntiAlias(true);
mStrokePaint = new Paint();
mStrokePaint.setColor(strokeColor);
mStrokePaint.setStyle(Paint.Style.STROKE);
mStrokePaint.setStrokeWidth(strokeWidth);
mStrokePaint.setAntiAlias(true);
mTypedArray.recycle();
}
public void setCircleColor(int color) {
circleColor = color;
invalidate();
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
int centre = width / 2;
float radius = (centre - strokeWidth / 2);
//now we draw the circle
canvas.drawCircle(centre, centre, radius, mBackgroundPaint);
//we draw the stroke
canvas.drawCircle(centre, centre, radius, mStrokePaint);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
int widthMode = MeasureSpec.getMode(widthMeasureSpec);
int widthSize = MeasureSpec.getSize(widthMeasureSpec);
int heightMode = MeasureSpec.getMode(heightMeasureSpec);
int heightSize = MeasureSpec.getSize(heightMeasureSpec);
if (widthMode == MeasureSpec.AT_MOST) {
width = dpToPx(100);
} else {
width = widthSize;
}
if (heightMode == MeasureSpec.AT_MOST) {
height = dpToPx(100);
} else {
height = heightSize;
}
setMeasuredDimension(width, height);
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
width = w;
height = h;
}
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