效果：
打卡view
code：
<declare-styleable name="SingInViewDemo">
<attr name="sign_in_bg_clor" format="color" />
<attr name="sign_in_pb_clor" format="color" />
<attr name="sign_in_check_clor" format="color" />
<attr name="sign_in_text_clor" format="color" />
<attr name="sign_in_text_size" format="dimension" />
</declare-styleable>
<!--定义默认的res-style样式-->
<style name="def_sign_demo_in_style">
<item name="sign_in_bg_clor">@android:color/white</item>
<item name="sign_in_pb_clor">@android:color/holo_orange_dark</item>
<item name="sign_in_check_clor">@android:color/white</item>
<item name="sign_in_text_clor">@android:color/holo_purple</item>
<item name="sign_in_text_size">12sp</item>
</style>
public class SingInViewDemo extends View {
private static final int DEF_HEIGHT = 85;
private static final int DEF_PADDING = 10;
private static final int TEXT_MARGIN_TOP = 13;
private static final float SECTION_SCALE = 1.2F / 2;
private static final float SIGN_IN_BALL_SCALE = 1F / 6;
private static final float SIGN_BG_RECT_SCALE = 1F / 4;
private static final long DEF_ANIM_TIME = 4000;
private int signInBgColor;
private int signInPbColor;
private int signInCheckColor;
private int singInTextColor;
private int singInTextSize;
private Paint signInBgPaint;
private Paint signInPbPaint;
private Paint signInCheckPaint;
private Paint signInTextPaint;
private int viewWidth;
private int viewHeight;
private int viewPadding;
private int signInBallRadio;
private int signRectHeight;
private RectF signInBgRectF;
private int circleY;
private int descY;
private List<String> viewData;
private List<Point> circlePoints;
private List<Point> descPoints;
private List<Path> signInPaths;
private List<RectF> signInPbRectFs;
private int currentSignTag;
private ValueAnimator valueAnimator;
private float persent;
private RectF progressRectF;
public SingInViewDemo(Context context) {
this(context, null);
}
public SingInViewDemo(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public SingInViewDemo(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
/**
* 获取对应的属性
*/
initAttrs(context, attrs, defStyleAttr);
initTools();
}
private void initAttrs(Context context, AttributeSet attrs, int defStyleAttr) {
TypedArray typedArray = context.getTheme().obtainStyledAttributes(attrs, R.styleable.SingInViewDemo, defStyleAttr, R.style.def_sign_demo_in_style);
int indexCount = typedArray.getIndexCount();
for (int i = 0; i < indexCount; i++) {
int attr = typedArray.getIndex(i);
switch (attr) {
case R.styleable.SingInViewDemo_sign_in_bg_clor:
signInBgColor = typedArray.getColor(attr, Color.BLACK);
break;
case R.styleable.SingInViewDemo_sign_in_pb_clor:
signInPbColor = typedArray.getColor(attr, Color.BLACK);
break;
case R.styleable.SingInViewDemo_sign_in_check_clor:
signInCheckColor = typedArray.getColor(attr, Color.BLACK);
break;
case R.styleable.SingInViewDemo_sign_in_text_clor:
singInTextColor = typedArray.getColor(attr, Color.BLACK);
break;
case R.styleable.SingInViewDemo_sign_in_text_size:
singInTextSize = typedArray.getDimensionPixelSize(attr, 0);
break;
}
}
/**
* 释放
*/
typedArray.recycle();
}
/**
* onMeasure onSizeChanged
*/
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
/**
* 处理不同的测量规格
* 本案例中未指定对应参数时，适配默认参数
*/
int heightMode = MeasureSpec.getMode(heightMeasureSpec);
int measure_height;
if (heightMode == MeasureSpec.AT_MOST || heightMode == MeasureSpec.UNSPECIFIED) {
measure_height = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, DEF_HEIGHT, getResources().getDisplayMetrics());
heightMeasureSpec = MeasureSpec.makeMeasureSpec(measure_height, MeasureSpec.EXACTLY);
}
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
viewPadding = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, DEF_PADDING, getResources().getDisplayMetrics());
int textMarginTop = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, TEXT_MARGIN_TOP, getResources().getDisplayMetrics());
viewWidth = w;
viewHeight = h;
signInBallRadio = (int) (viewHeight * SIGN_IN_BALL_SCALE / 2);
signRectHeight = (int) (signInBallRadio * SIGN_BG_RECT_SCALE);
/**
* RectF(float left, float top, float right, float bottom)
*/
signInBgRectF = new RectF(viewPadding + signInBallRadio, viewHeight * SECTION_SCALE - signInBallRadio - signRectHeight, viewWidth - viewPadding - signInBallRadio, viewHeight * SECTION_SCALE - signInBallRadio);
circleY = (int) (signInBgRectF.top + signRectHeight / 2);
descY = (int) (viewHeight * SECTION_SCALE) + signInBallRadio + textMarginTop;
calculateCirclePoints(viewData);
if (null != signInPbRectFs && signInPbRectFs.size() != 0) {
progressRectF = signInPbRectFs.get(0);
}
}
/**
* 在onDraw中画出对应的图形
*/
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
drawSignInBgRect(canvas);
drawSignInPbRectNoAnim(canvas);
drawSignInNormalCircle(canvas);
drawSingInCheckCircle(canvas);
drawSignDesc(canvas);
}
/**
* 属性动画的形式绘制进度条
*
* @param canvas
*/
private void drawSignInPbRectWithAnim(final Canvas canvas) {
if (isNeedReturn()) {
return;
}
final RectF targetRectF = signInPbRectFs.get(currentSignTag);
RectF beforeRectF;
if (currentSignTag >= 1) {
beforeRectF = signInPbRectFs.get(currentSignTag - 1);
progressRectF.left = beforeRectF.left;
}
/**
* persent 控制进度
*/
progressRectF.right = targetRectF.right * persent;
canvas.drawRect(progressRectF, signInPbPaint);
}
private void drawSignInPbRectNoAnim(final Canvas canvas) {
if (isNeedReturn()) {
return;
}
canvas.drawRect(signInPbRectFs.get(currentSignTag), signInPbPaint);
}
private boolean isNeedReturn() {
return currentSignTag < 0 || currentSignTag >= viewData.size();
}
private void drawSingInCheckCircle(Canvas canvas) {
if (isNeedReturn()) {
return;
}
for (int i = -1; i < currentSignTag; i++) {
Point p = circlePoints.get(i + 1);
Path path = signInPaths.get(i + 1);
canvas.drawCircle(p.x, p.y, signInBallRadio, signInPbPaint);
canvas.drawPath(path, signInCheckPaint);
}
}
private void drawSignDesc(Canvas canvas) {
if (null != viewData && viewData.size() > 0) {
for (int i = 0; i < viewData.size(); i++) {
Point p = descPoints.get(i);
canvas.drawText(viewData.get(i), p.x, p.y, signInTextPaint);
}
}
}
private void drawSignInNormalCircle(Canvas canvas) {
if (circlePoints != null && circlePoints.size() > 0) {
for (Point p : circlePoints) {
canvas.drawCircle(p.x, p.y, signInBallRadio, signInBgPaint);
}
}
}
private void drawSignInBgRect(Canvas canvas) {
canvas.drawRect(signInBgRectF, signInBgPaint);
}
private void calculateCirclePoints(List<String> viewData) {
if (null != viewData) {
int intervalSize = viewData.size() - 1;
/**
* 一段线段的长度
*/
int onePiece = (viewWidth - 2 * viewPadding - signInBallRadio * 2 * viewData.size()) / intervalSize;
for (int i = 0; i < viewData.size(); i++) {
Point circleP = new Point(viewPadding + i * onePiece + ((i + 1) * 2 - 1) * signInBallRadio, circleY);
Point descP = new Point((int) (viewPadding + i * onePiece + ((i + 1) * 2 - 1) * signInBallRadio - signInTextPaint.measureText(viewData.get(i)) / 2), descY);
Path signInPath = new Path();
signInPath.moveTo(circleP.x - signInBallRadio / 2, circleP.y);
signInPath.lineTo(circleP.x, circleP.y + signInBallRadio / 2);
signInPath.lineTo(circleP.x + signInBallRadio / 2, circleP.y - signInBallRadio + signInBallRadio / 2);
RectF signInPbRectF = new RectF(viewPadding + signInBallRadio, viewHeight * SECTION_SCALE - signInBallRadio - signRectHeight, circleP.x, viewHeight * SECTION_SCALE - signInBallRadio);
signInPaths.add(signInPath);
circlePoints.add(circleP);
descPoints.add(descP);
signInPbRectFs.add(signInPbRectF);
}
}
}
private void initTools() {
circlePoints = new ArrayList<>();
descPoints = new ArrayList<>();
signInPaths = new ArrayList<>();
signInPbRectFs = new ArrayList<>();
currentSignTag = -1;
valueAnimator = getValA(DEF_ANIM_TIME);
signInBgPaint = creatPaint(signInBgColor, 0, Paint.Style.FILL, 0);
signInPbPaint = creatPaint(signInPbColor, 0, Paint.Style.FILL, 0);
signInCheckPaint = creatPaint(signInCheckColor, 0, Paint.Style.STROKE, 3);
signInTextPaint = creatPaint(singInTextColor, singInTextSize, Paint.Style.FILL, 0);
}
private Paint creatPaint(int paintColor, int textSize, Paint.Style style, int lineWidth) {
Paint paint = new Paint();
paint.setColor(paintColor);
paint.setAntiAlias(true);
paint.setStrokeWidth(lineWidth);
/**
* paint.setDither 设置抖动
* paint.setStrokeCap 设置笔触的样式
* paint.setStrokeJoin 设置接合处的样式
*/
paint.setDither(true);
paint.setTextSize(textSize);
paint.setStyle(style);
paint.setStrokeCap(Paint.Cap.ROUND);
paint.setStrokeJoin(Paint.Join.ROUND);
return paint;
}
private ValueAnimator getValA(long defAnimTime) {
/**
* 创建对应的属性动画
*/
ValueAnimator valueAnimator = ValueAnimator.ofFloat(0, 1.0f);
valueAnimator.setDuration(DEF_ANIM_TIME);
valueAnimator.setInterpolator(new LinearInterpolator());
valueAnimator.setRepeatCount(0);
return valueAnimator;
}
public void setSignInData(List<String> signInData) {
Log.e("--TAG---", "外界设置数据--->>");
if (null != signInData) {
viewData = signInData;
}
}
public void signInEvent() {
currentSignTag++;
if (currentSignTag >= viewData.size()) { //横线的数目
currentSignTag = viewData.size() - 1;
}
valueAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
persent = Float.valueOf(valueAnimator.getAnimatedValue().toString());
invalidate();
Log.e("TAG--->>", "persent--->" + persent);
}
});
valueAnimator.start();
invalidate();
}
public void resetSignView() {
currentSignTag = -1;
invalidate();
}
}