Android开源的精美日历控件，热插拔设计的万能自定义UI，flutter调用原生sdk

XML用法 如果需要在日历控件下方使用其它控件，使用CalendarLayout控件即可，calendar_content_view_id为其它控件的id，支持任意控件，如RecyclerView、ListView。CalendarView的calendar_card_view为任意自定义实现的日历绘制控件路径。

android:layout_width=“match_parent”
android:layout_height=“match_parent”
android:orientation=“vertical”
android:background="#fff"
app:calendar_content_view_id="@+id/linearView">

android:id="@+id/calendarView"
android:layout_width=“match_parent”
android:layout_height=“wrap_content”
android:background="#fff"
app:current_month_text_color="#333333"
app:current_month_lunar_text_color="#CFCFCF"
app:min_year=“2004”
app:other_month_text_color="#e1e1e1"
app:scheme_text_color="#333"
app:scheme_theme_color="#128c4b"
app:selected_lunar_text_color="#CFCFCF"
app:calendar_card_view=“com.haibin.calendarviewproject.meizu.MeiZuCalendarCardView”
app:selected_text_color="#333"
app:selected_theme_color="#108cd4"
app:week_background="#fff"
app:week_text_color="#111" />

熟悉一下这几个简单的特性，看看日历内容界面的绘制baseCalendarCardView，根据需求实现以下部分方法即可

protected void onPreviewHook() {
// TODO: 2017/11/16
}

protected void onLoopStart(int x, int y) {
// TODO: 2017/11/16
}

protected abstract void onDrawSelected(Canvas canvas, Calendar calendar, int x, int y, boolean hasScheme);

protected abstract void onDrawScheme(Canvas canvas, Calendar calendar, int x, int y);

protected abstract void onDrawText(Canvas canvas, Calendar calendar, int x, int y, boolean hasScheme, boolean isSelected); 举个例子：如果你的需求是类似魅族日历的UI，那么第一步，继承baseCalendarCardView，然后实现onDrawSelected、onDrawScheme、onDrawText三个回调函数即可

public class MeiZuCalendarCardView extends baseCalendarCardView {

private Paint mTextPaint = new Paint();
private Paint mSchemeBasicPaint = new Paint();
private float mRadio;
private int mPadding;
private float mSchemeB

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aseLine;

public MeiZuCalendarCardView(Context context) {
super(context);

mTextPaint.setTextSize(dipToPx(context, 8));
mTextPaint.setColor(0xff111111);
mTextPaint.setAntiAlias(true);
mTextPaint.setFakeBoldText(true);

mSchemeBasicPaint.setAntiAlias(true);
mSchemeBasicPaint.setStyle(Paint.Style.FILL);
mSchemeBasicPaint.setTextAlign(Paint.Align.CENTER);
mSchemeBasicPaint.setColor(0xffed5353);
mSchemeBasicPaint.setFakeBoldText(true);
mRadio = dipToPx(getContext(), 7);
mPadding = dipToPx(getContext(), 4);
Paint.FontMetrics metrics = mSchemeBasicPaint.getFontMetrics();
mSchemebaseLine = mRadio - metrics.descent + (metrics.bottom - metrics.top) / 2 + dipToPx(getContext(), 1);

}

@Override
protected void onDrawSelected(Canvas canvas, Calendar calendar, int x, int y, boolean hasScheme) {
mSelectedPaint.setStyle(Paint.Style.FILL);
mSelectedPaint.setColor(0x80cfcfcf);
canvas.drawRect(x + mPadding, y + mPadding, x + mItemWidth - mPadding, y + mItemHeight - mPadding, mSelectedPaint);
}

@Override
protected void onDrawScheme(Canvas canvas, Calendar calendar, int x, int y) {

}

@Override