TextViewWithCircularIndicator.java
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package com.fourmob.datetimepicker.date;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.util.AttributeSet;
import android.widget.TextView;
import com.ectrip.trips.check.R;
public class TextViewWithCircularIndicator extends TextView {
private final int mCircleColor;
private Paint mCirclePaint = new Paint();
private boolean mDrawCircle;
private final String mItemIsSelectedText;
private final int mRadius;
public TextViewWithCircularIndicator(Context context, AttributeSet attributeSet) {
super(context, attributeSet);
Resources res = context.getResources();
mCircleColor = res.getColor(R.color.blue);
mRadius = res.getDimensionPixelOffset(R.dimen.month_select_circle_radius);
mItemIsSelectedText = context.getResources().getString(R.string.item_is_selected);
init();
}
private void init() {
mCirclePaint.setFakeBoldText(true);
mCirclePaint.setAntiAlias(true);
mCirclePaint.setColor(mCircleColor);
mCirclePaint.setTextAlign(Paint.Align.CENTER);
mCirclePaint.setStyle(Paint.Style.FILL);
mCirclePaint.setAlpha(60);
}
public void drawIndicator(boolean drawIndicator) {
mDrawCircle = drawIndicator;
}
public CharSequence getContentDescription() {
CharSequence text = getText();
if (mDrawCircle) {
text = String.format(mItemIsSelectedText, text);
}
return text;
}
public void onDraw(Canvas canvas) {
super.onDraw(canvas);
if (mDrawCircle) {
int width = getWidth();
int heigth = getHeight();
int radius = Math.min(width, heigth) / 2;
canvas.drawCircle(width / 2, heigth / 2, radius, mCirclePaint);
}
}
}