最近朋友咨询了一个表格输入框,查看了以前代码,现在重新整理了一下,将输入框的边框颜色,字体颜色,分割线颜色都抽出来了,方便不同需求的设置。先看看效果图:
由于比较简单,所以直接查看代码吧,
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.RectF;
import android.util.AttributeSet;
import android.util.TypedValue;
import androidx.appcompat.widget.AppCompatEditText;
public class PasswordEditText extends AppCompatEditText {
// 画笔
private Paint mPaint;
// 一个密码所占的宽度
private int mPasswordItemWidth;
// 密码的个数默认为6位数
private int mPasswordNumber = 6;
// 背景边框颜色
private int mBgColor = Color.parseColor("#303030");
// 背景边框大小
private int mBgSize = 1;
// 背景边框圆角大小
private int mBgCorner = 0;
// 分割线的颜色
private int mDivisionLineColor = mBgColor;
// 分割线的大小
private int mDivisionLineSize = 1;
// 密码圆点的颜色
private int mPasswordColor = mDivisionLineColor;
// 密码圆点的半径大小
private int mPasswordRadius = 4;
public PasswordEditText(Context context) {
this(context, null);
}
public PasswordEditText(Context context, AttributeSet attrs) {
super(context, attrs);
initPaint();
initAttributeSet(context, attrs);
// 设置输入模式是密码
// setInputType(EditorInfo.TYPE_TEXT_VARIATION_PASSWORD);
// 不显示光标
setCursorVisible(false);
}
/**
* 初始化属性
*/
private void initAttributeSet(Context context, AttributeSet attrs) {
TypedArray array = context.obtainStyledAttributes(attrs, R.styleable.PasswordEditText);
// 获取大小
mDivisionLineSize = (int) array.getDimension(R.styleable.PasswordEditText_divisionLineSize, dip2px(mDivisionLineSize));
mPasswordRadius = (int) array.getDimension(R.styleable.PasswordEditText_passwordRadius, dip2px(mPasswordRadius));
mBgSize = (int) array.getDimension(R.styleable.PasswordEditText_bgSize, dip2px(mBgSize));
mBgCorner = (int) array.getDimension(R.styleable.PasswordEditText_bgCorner, 0);
// 获取颜色
mBgColor = array.getColor(R.styleable.PasswordEditText_bagColor, mBgColor);
mDivisionLineColor = array.getColor(R.styleable.PasswordEditText_divisionLineColor, mDivisionLineColor);
mPasswordColor = array.getColor(R.styleable.PasswordEditText_passwordColor, mDivisionLineColor);
array.recycle();
}
/**
* 初始化画笔
*/
private void initPaint() {
mPaint = new Paint();
mPaint.setAntiAlias(true);
mPaint.setDither(true);
}
/**
* dip 转 px
*/
private int dip2px(int dip) {
return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
dip, getResources().getDisplayMetrics());
}
@Override
protected void onDraw(Canvas canvas) {
int passwordWidth = getWidth() - (mPasswordNumber - 1) * mDivisionLineSize;
mPasswordItemWidth = passwordWidth / mPasswordNumber;
// 绘制背景
drawBg(canvas);
// 绘制分割线
drawDivisionLine(canvas);
// 绘制密码
drawHidePassword(canvas);
}
/**
* 绘制背景
*/
private void drawBg(Canvas canvas) {
mPaint.setColor(mBgColor);
// 设置画笔为空心
mPaint.setStyle(Paint.Style.STROKE);
mPaint.setStrokeWidth(mBgSize);
RectF rectF = new RectF(mBgSize, mBgSize, getWidth() - mBgSize, getHeight() - mBgSize);
// 如果没有设置圆角,就画矩形
if (mBgCorner == 0) {
canvas.drawRect(rectF, mPaint);
} else {
// 如果有设置圆角就画圆矩形
canvas.drawRoundRect(rectF, mBgCorner, mBgCorner, mPaint);
}
}
/**
* 绘制隐藏的密码
*/
private void drawHidePassword(Canvas canvas) {
int passwordLength = getText().length();
mPaint.setColor(mPasswordColor);
// 设置画笔为实心
mPaint.setStyle(Paint.Style.FILL);
for (int i = 0; i < passwordLength; i++) {
int cx = i * mDivisionLineSize + i * mPasswordItemWidth + mPasswordItemWidth / 2 + mBgSize;
canvas.drawCircle(cx, getHeight() / 2, mPasswordRadius, mPaint);
}
}
/**
* 绘制分割线
*/
private void drawDivisionLine(Canvas canvas) {
mPaint.setStrokeWidth(mDivisionLineSize);
mPaint.setColor(mDivisionLineColor);
for (int i = 0; i < mPasswordNumber - 1; i++) {
int startX = (i + 1) * mDivisionLineSize + (i + 1) * mPasswordItemWidth + mBgSize;
canvas.drawLine(startX, mBgSize, startX, getHeight() - mBgSize, mPaint);
}
}
}
好了,大概就是这样,如果还有不清楚,请点下面下载链接去下载:
https://download.csdn.net/download/greatdaocaoren/12669980
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