Android使用GridLayout绘制自定义日历控件

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"  android:layout_width="match_parent"  android:layout_height="match_parent"  android:orientation="vertical" >  <LinearLayout    android:layout_width="match_parent"    android:layout_height="wrap_content"    android:orientation="vertical" >    <LinearLayout      android:layout_width="match_parent"      android:layout_height="55dp"      android:orientation="vertical"      android:background="@color/lightGreen" >      <RelativeLayout        android:layout_width="match_parent"        android:layout_height="match_parent" >        <TextView          android:id="@+id/textView1"          android:layout_width="wrap_content"          android:layout_height="wrap_content"          android:layout_centerHorizontal="true"          android:layout_centerVertical="true"          android:textColor="@color/white"          android:textSize="9pt"          android:text="2016年10月" />        <ImageButton          android:id="@+id/imageButton1"          android:layout_width="30dp"          android:layout_height="20dp"          android:layout_alignParentLeft="true"          android:layout_centerVertical="true"          android:layout_marginLeft="16dp"          android:background="@drawable/back" />        <ImageButton          android:id="@+id/imageButton2"          android:layout_width="20dp"          android:layout_height="20dp"          android:layout_alignTop="@+id/imageButton1"          android:layout_centerVertical="true"          android:layout_marginRight="16dp"          android:layout_toLeftOf="@+id/textView1"          android:background="@drawable/pre" />        <ImageButton          android:id="@+id/imageButton3"          android:layout_width="18dp"          android:layout_height="18dp"          android:layout_centerVertical="true"          android:layout_alignTop="@+id/textView1"          android:layout_marginLeft="16dp"          android:layout_toRightOf="@+id/textView1"          android:background="@drawable/back11" />      </RelativeLayout>    </LinearLayout>    <LinearLayout      android:layout_width="match_parent"      android:layout_height="wrap_content"      android:orientation="vertical"      android:layout_marginTop="10dp" >      <GridLayout        android:id="@+id/gridLayout01"        android:layout_width="match_parent"        android:layout_height="match_parent" >      <--!自定义的单个日历按钮控件就放在这里-->      </GridLayout>    </LinearLayout>    <ListView      android:id="@+id/listView1"      android:layout_width="match_parent"      android:layout_height="wrap_content" >    </ListView>  </LinearLayout></LinearLayout>

package com.包名.myCalendarView;import java.util.Calendar;import java.util.Date;import android.content.Context;import android.graphics.Color;import android.util.AttributeSet;import android.util.Log;import android.view.LayoutInflater;import android.view.View;import android.view.View.OnClickListener;import android.view.WindowManager;import android.widget.GridLayout;import android.widget.ImageButton;import android.widget.LinearLayout;import android.widget.TextView;import com.xuy849.utils.Info;import com.xuy849.weightapp.R;public class MyCalendar extends LinearLayout implements OnClickListener{ Context context; TextView tv_yearAndMonth; ImageButton ib_pre; ImageButton ib_next; ImageButton ib_back; GridLayout gl_calendar; View view; CalendarButton buttons[]; int sideLength; String week[] = {"日","一","二","三","四","五","六"}; Date date; Calendar calendar; int year,month,day; int res;  public MyCalendar(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle);  this.context = context; // TODO Auto-generated constructor stub  init(); } public MyCalendar(Context context, AttributeSet attrs) { super(context, attrs);  this.context = context; // TODO Auto-generated constructor stub  init(); } public MyCalendar(Context context) { super(context);  this.context = context; // TODO Auto-generated constructor stub  init(); }  private void init(){ this.view = LayoutInflater.from(context).inflate(R.layout.my_calendar_view, this);   }}

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"  android:layout_width="wrap_content"  android:layout_height="wrap_content"  android:background="@drawable/background01"  android:orientation="vertical" >  <LinearLayout    android:layout_width="wrap_content"    android:id="@+id/linearLayout01"    android:layout_height="wrap_content"    android:background="@color/calendarBackground"    android:orientation="vertical"     android:layout_marginBottom="1dp">    <FrameLayout      android:layout_width="match_parent"      android:layout_height="match_parent" >      <ImageView        android:id="@+id/imageView1"        android:layout_width="match_parent"        android:layout_height="match_parent"        android:visibility="invisible"        android:src="@drawable/selected_date" />      <LinearLayout        android:layout_width="match_parent"        android:layout_height="match_parent"        android:orientation="vertical"         android:gravity="center">        <TextView          android:id="@+id/textView1"          android:layout_width="wrap_content"          android:layout_height="wrap_content"          android:textSize="8pt"          android:text="20" />        <TextView          android:id="@+id/textView2"          android:layout_width="wrap_content"          android:layout_height="wrap_content"          android:layout_marginTop="3dp"          android:textColor="@color/blue"          android:visibility="invisible"          android:text="65.1" />      </LinearLayout>    </FrameLayout>  </LinearLayout></LinearLayout>

package com.包名.myCalendarView;import java.util.Date;import android.content.Context;import android.graphics.Color;import android.util.AttributeSet;import android.view.LayoutInflater;import android.view.View;import android.widget.ImageView;import android.widget.LinearLayout;import android.widget.TextView;import com.xuy849.utils.Info;import com.xuy849.weightapp.R;class CalendarButton extends LinearLayout{ Context context; TextView tv_date; TextView tv_data; ImageView iv_note; LinearLayout ll_container; View view; Date date;  public CalendarButton(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle);  this.context = context; // TODO Auto-generated constructor stub  init(); } public CalendarButton(Context context, AttributeSet attrs) { super(context, attrs);  this.context = context; // TODO Auto-generated constructor stub  init(); }  public void setTotalEnable(boolean b){ this.setEnabled(b); } public CalendarButton(Context context) { super(context);  this.context = context; // TODO Auto-generated constructor stub  init();  }  public void setDate(Date date){ this.date = date; } public Date getDate(){ return this.date; }  private void init(){ view = LayoutInflater.from(context).inflate(R.layout.date_button, this);  //findViewById tv_date =(TextView)view.findViewById(R.id.textView1); tv_data = (TextView)view.findViewById(R.id.textView2); iv_note = (ImageView)view.findViewById(R.id.imageView1); ll_container = (LinearLayout)view.findViewById(R.id.linearLayout01);  }  public void setDateText(String text){ tv_date.setText(text); }  public void setDateTextColor(int color){ tv_date.setTextColor(color); } } }

package com.包名.myCalendarView;import java.util.Calendar;import java.util.Date;import android.content.Context;import android.graphics.Color;import android.util.AttributeSet;import android.util.Log;import android.view.LayoutInflater;import android.view.View;import android.view.View.OnClickListener;import android.view.WindowManager;import android.widget.GridLayout;import android.widget.ImageButton;import android.widget.LinearLayout;import android.widget.TextView;import com.xuy849.utils.Info;import com.xuy849.weightapp.R;public class MyCalendar extends LinearLayout implements OnClickListener{ Context context; TextView tv_yearAndMonth; ImageButton ib_pre; ImageButton ib_next; ImageButton ib_back; GridLayout gl_calendar; View view; CalendarButton buttons[]; int sideLength; String week[] = {"日","一","二","三","四","五","六"}; Date date; Calendar calendar; int year,month,day; int res;  public MyCalendar(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle);  this.context = context; // TODO Auto-generated constructor stub  init(); } public MyCalendar(Context context, AttributeSet attrs) { super(context, attrs);  this.context = context; // TODO Auto-generated constructor stub  init(); } public MyCalendar(Context context) { super(context);  this.context = context; // TODO Auto-generated constructor stub  init(); }  private void init(){ this.view = LayoutInflater.from(context).inflate(R.layout.my_calendar_view, this);  WindowManager ww = (WindowManager)getContext().getSystemService(Context.WINDOW_SERVICE); sideLength = ww.getDefaultDisplay().getWidth()/Info.COLUMN_COUNT;  // myFindViewById();  //初始化日历按钮布局 initCalendarLayout();  //初始化按钮点击事件 initButton();  }  private void initButton(){ ib_pre.setOnClickListener(this); ib_next.setOnClickListener(this); ib_back.setOnClickListener(this); }  private void myFindViewById(){ tv_yearAndMonth = (TextView)view.findViewById(R.id.textView1); ib_pre = (ImageButton)view.findViewById(R.id.imageButton2); ib_next = (ImageButton)view.findViewById(R.id.imageButton3); ib_back = (ImageButton)view.findViewById(R.id.imageButton1); gl_calendar =(GridLayout)view.findViewById(R.id.gridLayout01);  // buttons = new CalendarButton[Info.COLUMN_COUNT*Info.ROW_COUNT];  }   //根据传递过来的calendar，绘制当月的日历视图  private void initCalendar(Calendar calendar){ int year = calendar.get(Calendar.YEAR); int month = (calendar.get(Calendar.MONTH)+1); int date = calendar.get(Calendar.DATE);  //设置标题 String todayStr = String.format("%04d年%02d月", calendar.get(Calendar.YEAR),(calendar.get(Calendar.MONTH)+1)); tv_yearAndMonth.setText(todayStr);  // calendar.set(Calendar.DAY_OF_MONTH, 1); int currentMonthFirstDateInWeek = calendar.get(Calendar.DAY_OF_WEEK)-1; calendar.set(Calendar.DAY_OF_MONTH, date); int currentMonthDaysSum = calendar.getActualMaximum(Calendar.DAY_OF_MONTH);  calendar.roll(Calendar.MONTH, -1); int lastMonthDaysSum = calendar.getActualMaximum(Calendar.DAY_OF_MONTH); int i; calendar.roll(Calendar.MONTH, 1);  Log.w("月", currentMonthDaysSum+"天"); Log.w("上月", lastMonthDaysSum +"天");  /*  * 设置日期  */ //设置本月 Log.w("currentMonthFirstDateInWeek",currentMonthFirstDateInWeek+""); Log.w("currentMonthFirstDateInWeek%7111",currentMonthDaysSum+currentMonthFirstDateInWeek%7+"");  for(i=currentMonthFirstDateInWeek%7+7;i<=(currentMonthDaysSum+currentMonthFirstDateInWeek%7+7-1)&&i<Info.COLUMN_COUNT*Info.ROW_COUNT;i++){  buttons[i].changeToState(Info.STATE_NORMAL_NORECORED);  buttons[i].setDateText((i-currentMonthFirstDateInWeek%7-7+1)+"");  buttons[i].setDateTextColor(Color.BLACK);  buttons[i].setEnabled(true);  buttons[i].setDate(new Date(year,month,i-(currentMonthFirstDateInWeek%7+7)+1)); }  //设置上一个月 for(i=7;i<(currentMonthFirstDateInWeek%7+7)&&i<Info.COLUMN_COUNT*Info.ROW_COUNT;i++){  buttons[i].changeToState(Info.STATE_NORMAL_NORECORED);  buttons[i].setDateTextColor(Color.GRAY);  buttons[i].setDateText(lastMonthDaysSum-(currentMonthFirstDateInWeek%7-i%7)+1+"");  buttons[i].setEnabled(false); }  //设置下一个月 for(i =currentMonthDaysSum+currentMonthFirstDateInWeek%7+7;i<Info.ROW_COUNT*Info.COLUMN_COUNT;i++){  buttons[i].changeToState(Info.STATE_NORMAL_NORECORED);  buttons[i].setDateTextColor(Color.GRAY);  buttons[i].setDateText((i-(currentMonthDaysSum+currentMonthFirstDateInWeek%7+7)+1)+"");  buttons[i].setEnabled(false); }  //设置当天 if(year==this.year&&month==this.month&&day==this.day)  buttons[date+currentMonthFirstDateInWeek%7+7-1].changeToState(Info.STATE_TODAY_NORECORED);  //初始化界面 if(res!=0)  initLayout(res);  }   private void initCalendarLayout(){ //设置行数，列数 gl_calendar.setRowCount(Info.ROW_COUNT); gl_calendar.setColumnCount(Info.COLUMN_COUNT);   /*  * 添加按钮到布局  */ int i; int sum = Info.ROW_COUNT*Info.COLUMN_COUNT;  //设置星期 for(i=0;i<Info.COLUMN_COUNT;i++){  buttons[i] = new CalendarButton(context);  buttons[i].setDateText(week[i]);  buttons[i].setLayoutParams(new LayoutParams(sideLength, sideLength));  gl_calendar.addView(buttons[i], i);  buttons[i].setEnabled(false); }  for(i = Info.COLUMN_COUNT;i<sum;i++){  buttons[i] = new CalendarButton(context);  buttons[i].setDateText("55");  buttons[i].setLayoutParams(new LayoutParams(sideLength, sideLength));  gl_calendar.addView(buttons[i], i); }   //根据当月设置情况 calendar = Calendar.getInstance(); year = calendar.get(Calendar.YEAR); month = calendar.get(Calendar.MONTH)+1; day = calendar.get(Calendar.DATE); initCalendar(calendar);   } @Override public void onClick(View v) { // TODO Auto-generated method stub switch(v.getId()){  //上一个月 case R.id.imageButton2:{  calendar.roll(Calendar.MONTH, -1);  initCalendar(calendar);  break; }  //下一个月 case R.id.imageButton3:{  calendar.roll(Calendar.MONTH, 1);  initCalendar(calendar);  break; } } }  public void setOnClickButtonListener(OnClickListener l,int index){  buttons[index].setOnClickListener(l); }  public Date getDate(int index){ return buttons[index].getDate(); }  public void setData(float f,int index){ buttons[index].tv_data.setText(String.format("%.1f", f)); buttons[index].tv_data.setVisibility(TextView.VISIBLE); }  public void initLayout(int res){ switch(res){ case Info.VIEW_WEIHT:{      break; }  default:{  break; } } }  public void setRes(int res){ this.res = res; }}

//设置下标是index的日期按钮的点击事件监听器public void setOnClickButtonListener(OnClickListener l,int index){  buttons[index].setOnClickListener(l); }