|
|
@@ -1,11 +1,127 @@
|
|
|
package com.core.widget;
|
|
|
|
|
|
+import android.content.Context;
|
|
|
+import android.graphics.Canvas;
|
|
|
+import android.graphics.Color;
|
|
|
+import android.graphics.Paint;
|
|
|
+import android.graphics.Rect;
|
|
|
+import android.support.annotation.Nullable;
|
|
|
+import android.util.AttributeSet;
|
|
|
import android.view.View;
|
|
|
|
|
|
/**
|
|
|
* @author RaoMeng
|
|
|
- * @describe
|
|
|
+ * @describe 密码强度
|
|
|
* @date 2018/5/6 21:38
|
|
|
*/
|
|
|
public class StrengthView extends View {
|
|
|
+
|
|
|
+ public enum Level {
|
|
|
+ STRENGTH_NONE("无", Color.GRAY, 0), STRENGTH_WEAK("低", Color.RED, 1), STRENGTH_MEDIUM("中", Color.YELLOW, 2), STRENGTH_STRONG("高", Color.GREEN, 3);
|
|
|
+ String levelStr;
|
|
|
+ int levelColor;
|
|
|
+ int index;
|
|
|
+
|
|
|
+ Level(String levelStr, int levelColor, int index) {
|
|
|
+ this.levelStr = levelStr;
|
|
|
+ this.levelColor = levelColor;
|
|
|
+ this.index = index;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private int mTextSize = 40;
|
|
|
+ private Level mLevel;//强度等级
|
|
|
+ private Paint mPaint;
|
|
|
+ float levelWidth = 80;
|
|
|
+ float gap = 30;
|
|
|
+ float levelHeight = 20;
|
|
|
+ float textPadding = 20;
|
|
|
+ // 文字尺寸
|
|
|
+ private float mTextWidth;
|
|
|
+ private float mTextHeight;
|
|
|
+
|
|
|
+ public Level getLevel() {
|
|
|
+ return mLevel;
|
|
|
+ }
|
|
|
+
|
|
|
+ public void setLevel(Level level) {
|
|
|
+ mLevel = level;
|
|
|
+ invalidate();
|
|
|
+ }
|
|
|
+
|
|
|
+ public StrengthView(Context context) {
|
|
|
+ this(context, null, 0);
|
|
|
+ }
|
|
|
+
|
|
|
+ public StrengthView(Context context, @Nullable AttributeSet attrs) {
|
|
|
+ this(context, attrs, 0);
|
|
|
+ }
|
|
|
+
|
|
|
+ public StrengthView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
|
|
|
+ super(context, attrs, defStyleAttr);
|
|
|
+ initStrengthView(context, attrs, defStyleAttr);
|
|
|
+ }
|
|
|
+
|
|
|
+ private void initStrengthView(Context context, AttributeSet attrs, int defStyleAttr) {
|
|
|
+ mLevel = Level.STRENGTH_NONE;
|
|
|
+ mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
|
|
|
+ mPaint.setTextSize(mTextSize);
|
|
|
+ Rect rect = new Rect();
|
|
|
+ mPaint.getTextBounds(Level.STRENGTH_NONE.levelStr, 0, Level.STRENGTH_NONE.levelStr.length(), rect);
|
|
|
+ mTextWidth = rect.width();
|
|
|
+ mTextHeight = rect.height();
|
|
|
+ }
|
|
|
+
|
|
|
+ @Override
|
|
|
+ protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
|
|
|
+ int measuredWidth;
|
|
|
+ int measuredHeight;
|
|
|
+ int widthMode = MeasureSpec.getMode(widthMeasureSpec);
|
|
|
+ int widthSize = MeasureSpec.getSize(widthMeasureSpec);
|
|
|
+ int heightMode = MeasureSpec.getMode(heightMeasureSpec);
|
|
|
+ int heightSize = MeasureSpec.getSize(heightMeasureSpec);
|
|
|
+ measuredWidth = widthMode == MeasureSpec.EXACTLY ? widthSize : ((int) (getPaddingLeft() + getPaddingRight() + mTextWidth + (Level.values().length - 1) * levelWidth + (Level.values().length - 2) * gap + textPadding));
|
|
|
+ measuredHeight = heightMode == MeasureSpec.EXACTLY ? heightSize : ((int) (getPaddingTop() + getPaddingBottom() + mTextHeight));
|
|
|
+ // 固定套路，保存控件宽高值
|
|
|
+ setMeasuredDimension(measuredWidth, measuredHeight);
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ @Override
|
|
|
+ protected void onDraw(Canvas canvas) {
|
|
|
+ super.onDraw(canvas);
|
|
|
+
|
|
|
+ int currentIndex = mLevel == null ? 0 : mLevel.index;
|
|
|
+ float startLeft = getPaddingLeft();
|
|
|
+
|
|
|
+ int levelCount = Level.values().length - 1;
|
|
|
+ for (int i = 1; i <= levelCount; i++) {
|
|
|
+ if (i > currentIndex) {
|
|
|
+ mPaint.setColor(Level.STRENGTH_NONE.levelColor);
|
|
|
+ } else {
|
|
|
+ mPaint.setColor(Level.values()[i].levelColor);
|
|
|
+ }
|
|
|
+
|
|
|
+ canvas.drawRect(startLeft, getPaddingTop(), startLeft + levelWidth, getPaddingTop() + levelHeight, mPaint);
|
|
|
+ startLeft += levelWidth;
|
|
|
+ if (i != levelCount) {
|
|
|
+ mPaint.setColor(Color.WHITE);
|
|
|
+ canvas.drawRect(startLeft, getPaddingTop(), startLeft + gap, getPaddingTop() + levelHeight, mPaint);
|
|
|
+ startLeft += gap;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ mPaint.setColor(Color.BLACK);
|
|
|
+ mPaint.setTextSize(mTextSize);
|
|
|
+ String levelText = mLevel == null ? Level.STRENGTH_NONE.levelStr : mLevel.levelStr;
|
|
|
+ // 计算text的baseline
|
|
|
+ Paint.FontMetrics fontMetrics = mPaint.getFontMetrics();
|
|
|
+ // baseline思路：先设为控件的水平中心线，再调整到文本区域的水平中心线上
|
|
|
+ // fontMetrics的top/bottom/ascent/descent属性值，是基于baseline为原点的，上方为负值，下方为正！
|
|
|
+ float baseLine =
|
|
|
+ getPaddingTop()
|
|
|
+ + levelHeight / 2
|
|
|
+ + ((Math.abs(fontMetrics.ascent) + Math.abs(fontMetrics.descent)) / 2 - Math.abs(fontMetrics.descent));
|
|
|
+ canvas.drawText(levelText, startLeft + textPadding, baseLine, mPaint);
|
|
|
+ }
|
|
|
}
|
raomeng