I draw text throw TextPaint on Canvas. And in some cases it looks terible:
240*320 API 7 
240*320 API 7 
240*320 API 15 
In some cases good:
720*1280 API 15 
I use: TextPaint paint = new TextPaint();
paint.setTextSize(height/20); canvas.drawText("Just text", x, y, paint);
What do I wrong?