EditText自定义

设置边框的宽度为2，当文本框获取焦点时和没获取焦点的边框颜色不一样

canvas.drawRect(...)是一个长方形

canvas.drawRoundRect(...)是一个带圆弧的长方形

package com.newedittext.ui;

import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Paint.Style;
import android.graphics.Rect;
import android.widget.EditText;

public class NEditText extends EditText {
	
	public NEditText(Context context) {
		super(context);
	}
	@SuppressLint("DrawAllocation")
	@Override
	protected void onDraw(Canvas canvas) {
		
        Paint paint = new Paint();
        paint.setStyle(Style.STROKE);
        paint.setStrokeWidth(2);

        if(this.isFocused() == true){
        	paint.setColor(Color.parseColor("#122e29"));
        } else {
        	paint.setColor(Color.rgb(0,173,173));
        }
        canvas.drawRect(new Rect(3+this.getScrollX(), 3+this.getScrollY(), this.getWidth()-3+this.getScrollX(), this.getHeight()+ this.getScrollY()-3), paint);
        //canvas.drawRoundRect(new RectF(2+this.getScrollX(), 2+this.getScrollY(), this.getWidth()-3+this.getScrollX(), this.getHeight()+ this.getScrollY()-1), 3,3, paint);
      super.onDraw(canvas);
   }	
}