mainActivity/app/src/main/java/com/example/furt/myapplication/BorderedTextView.java

   1 package com.example.furt.myapplication;
   2
   3 import android.content.Context;
   4 import android.graphics.Canvas;
   5 import android.graphics.Color;
   6 import android.graphics.Paint;
   7 import android.util.AttributeSet;
   8 import android.widget.TextView;
   9
  10 public class BorderedTextView extends TextView {
  11     private Paint paint = new Paint();
  12     public static final int BORDER_TOP = 0x00000001;
  13     public static final int BORDER_RIGHT = 0x00000002;
  14     public static final int BORDER_BOTTOM = 0x00000004;
  15     public static final int BORDER_LEFT = 0x00000008;
  16     private Border[] borders;
  17
  18     public BorderedTextView(Context context, AttributeSet attrs, int defStyle) {
  19         super(context, attrs, defStyle);
  20         init();
  21     }
  22
  23     public BorderedTextView(Context context, AttributeSet attrs) {
  24         super(context, attrs);
  25         init();
  26     }
  27
  28     public BorderedTextView(Context context) {
  29         super(context);
  30         init();
  31     }
  32     private void init(){
  33         paint.setStyle(Paint.Style.STROKE);
  34         paint.setColor(Color.BLACK);
  35         paint.setStrokeWidth(4);
  36     }
  37     @Override
  38     protected void onDraw(Canvas canvas) {
  39         super.onDraw(canvas);
  40         if(borders == null) return;
  41         for(Border border : borders){
  42             paint.setColor(border.getColor());
  43             paint.setStrokeWidth(border.getWidth());
  44
  45             if(border.getStyle() == BORDER_TOP){
  46                 canvas.drawLine(0, 0, getWidth(), 0, paint);
  47             } else
  48             if(border.getStyle() == BORDER_RIGHT){
  49                 canvas.drawLine(getWidth(), 0, getWidth(), getHeight(), paint);
  50             } else
  51             if(border.getStyle() == BORDER_BOTTOM){
  52                 canvas.drawLine(0, getHeight(), getWidth(), getHeight(), paint);
  53             } else
  54             if(border.getStyle() == BORDER_LEFT){
  55                 canvas.drawLine(0, 0, 0, getHeight(), paint);
  56             }
  57         }
  58     }
  59
  60     public Border[] getBorders() {
  61         return borders;
  62     }
  63
  64     public void setBorders(Border[] borders) {
  65         this.borders = borders;
  66     }
  67 }