Untitled

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.util.AttributeSet;
import androidx.appcompat.widget.AppCompatTextView;

public class OutlineTextView extends AppCompatTextView {
    private Paint strokePaint;
    private float strokeWidthInPx;

    public OutlineTextView(Context context) {
        super(context);
        init(context);
    }

    public OutlineTextView(Context context, AttributeSet attrs) {
        super(context, attrs);
        init(context);
    }

    public OutlineTextView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        init(context);
    }

    private void init(Context context) {
        float strokeWidthInDp = 0.5f;
        strokeWidthInPx = strokeWidthInDp * context.getResources().getDisplayMetrics().density;

        strokePaint = new Paint();
        strokePaint.setStyle(Paint.Style.STROKE);
        strokePaint.setStrokeWidth(strokeWidthInPx);
        strokePaint.setColor(Color.parseColor("#40000000")); // Outline color with 25% opacity
        strokePaint.setAntiAlias(true);
    }

    @Override
    protected void onDraw(Canvas canvas) {
        int currentTextColor = getCurrentTextColor();

        // Draw outline
        setTextColor(strokePaint.getColor());
        getPaint().setStyle(Paint.Style.STROKE);
        getPaint().setStrokeWidth(strokeWidthInPx);
        super.onDraw(canvas);

        // Draw text
        setTextColor(currentTextColor);
        getPaint().setStyle(Paint.Style.FILL);
        super.onDraw(canvas);
    }
}