diff --git a/src/app/src/main/java/com/showme/myapplication/Course/AddCourseActivity.java b/src/app/src/main/java/com/showme/myapplication/Course/AddCourseActivity.java
new file mode 100644
index 0000000..4303e19
--- /dev/null
+++ b/src/app/src/main/java/com/showme/myapplication/Course/AddCourseActivity.java
@@ -0,0 +1,56 @@
+package com.diary.showme.Course;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import com.diary.showme.R;
+
+public class AddCourseActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_add_course);
+        setFinishOnTouchOutside(false);
+
+        final EditText inputCourseName = (EditText) findViewById(R.id.course_name);
+        final EditText inputTeacher = (EditText) findViewById(R.id.teacher_name);
+        final EditText inputClassRoom = (EditText) findViewById(R.id.class_room);
+        final EditText inputDay = (EditText) findViewById(R.id.week);
+        final EditText inputStart = (EditText) findViewById(R.id.classes_begin);
+        final EditText inputEnd = (EditText) findViewById(R.id.classes_ends);
+        final EditText inputWeeks = (EditText) findViewById(R.id.weeks);
+
+        Button okButton = (Button) findViewById(R.id.button);
+        okButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                String courseName = inputCourseName.getText().toString();
+                String teacher = inputTeacher.getText().toString();
+                String classRoom = inputClassRoom.getText().toString();
+                String day = inputDay.getText().toString();
+                String start = inputStart.getText().toString();
+                String end = inputEnd.getText().toString();
+                String weeks = inputWeeks.getText().toString();
+
+                if (courseName.equals("") || day.equals("") || start.equals("") || end.equals("")) {
+                    Toast.makeText(AddCourseActivity.this, "基本课程信息未填写", Toast.LENGTH_SHORT).show();
+                } else {
+                    Course course = new Course(courseName, teacher, classRoom,
+                            Integer.valueOf(day), Integer.valueOf(start), Integer.valueOf(end), weeks);
+                    Intent intent = new Intent(AddCourseActivity.this, CourseActivity.class);
+                    intent.putExtra("course", course);
+                    setResult(Activity.RESULT_OK, intent);
+                    finish();
+                }
+            }
+        });
+    }
+}
\ No newline at end of file
diff --git a/src/app/src/main/java/com/showme/myapplication/Course/Course.java b/src/app/src/main/java/com/showme/myapplication/Course/Course.java
new file mode 100644
index 0000000..0212d22
--- /dev/null
+++ b/src/app/src/main/java/com/showme/myapplication/Course/Course.java
@@ -0,0 +1,81 @@
+package com.diary.showme.Course;
+
+import java.io.Serializable;
+
+public class Course implements Serializable {
+
+    private String courseName;
+    private String teacher;
+    private String classRoom;
+    private int day;
+    private int classStart;
+    private int classEnd;
+    private String weeks;
+
+    public Course(String courseName, String teacher, String classRoom, int day, int classStart, int classEnd, String weeks) {
+        this.courseName = courseName;
+        this.teacher = teacher;
+        this.classRoom = classRoom;
+        this.day = day;
+        this.classStart = classStart;
+        this.classEnd = classEnd;
+        this.weeks = weeks;
+    }
+
+    public String getCourseName() {
+        return courseName;
+    }
+
+    public void setCourseName(String courseName) {
+        this.courseName = courseName;
+    }
+
+    public String getTeacher() {
+        return teacher;
+    }
+
+    public void setTeacher(String teacher) {
+        this.teacher = teacher;
+    }
+
+    public String getClassRoom() {
+        return classRoom;
+    }
+
+    public void setClassRoom(String classRoom) {
+        this.classRoom = classRoom;
+    }
+
+    public int getDay() {
+        return day;
+    }
+
+    public void setDay(int day) {
+        this.day = day;
+    }
+
+    public int getStart() {
+        return classStart;
+    }
+
+    public void setStart(int classStart) {
+        this.classEnd = classStart;
+    }
+
+    public int getEnd() {
+        return classEnd;
+    }
+
+    public void setEnd(int classEnd) {
+        this.classEnd = classEnd;
+    }
+
+    public String getWeeks() {
+        return weeks;
+    }
+
+    public void setWeeks(String weeks) {
+        this.weeks = weeks;
+    }
+
+}
diff --git a/src/app/src/main/java/com/showme/myapplication/Course/CourseActivity.java b/src/app/src/main/java/com/showme/myapplication/Course/CourseActivity.java
new file mode 100644
index 0000000..c4e1e62
--- /dev/null
+++ b/src/app/src/main/java/com/showme/myapplication/Course/CourseActivity.java
@@ -0,0 +1,171 @@
+package com.diary.showme.Course;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.LinearLayout;
+import android.widget.RelativeLayout;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.diary.database.DatabaseHelper.CourseSQLHelper;
+import com.diary.database.utils.CourseSQLUtils;
+import com.diary.showme.R;
+
+import java.util.ArrayList;
+
+public class CourseActivity extends AppCompatActivity {
+
+    private RelativeLayout day;
+
+    private Button addCourse;
+
+    private Button backToCalendar;
+
+    //SQLite Helper类
+    private CourseSQLHelper databaseHelper = new CourseSQLHelper(this);
+
+    int currentCoursesNumber = 0;
+    int maxCoursesNumber = 0;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_course);
+        //从数据库读取数据
+
+        addCourse = findViewById(R.id.add_courses);
+        backToCalendar = findViewById(R.id.back_to_calendar);
+
+        addCourse.setOnClickListener(v -> {
+            Intent intent = new Intent(CourseActivity.this, AddCourseActivity.class);
+            startActivityForResult(intent, 0);
+        });
+
+        backToCalendar.setOnClickListener(v -> finish());
+
+        loadData();
+    }
+
+    private void loadData() {
+        ArrayList<Course> coursesList = new ArrayList<>(); //课程列表
+        SQLiteDatabase courseSQL = databaseHelper.getReadableDatabase();
+        Cursor cursor = courseSQL.rawQuery("select * from courses", null);
+        if (cursor.moveToFirst()) {
+            do {
+                coursesList.add(new Course(
+                        cursor.getString(cursor.getColumnIndex("course_name")),
+                        cursor.getString(cursor.getColumnIndex("teacher")),
+                        cursor.getString(cursor.getColumnIndex("class_room")),
+                        cursor.getInt(cursor.getColumnIndex("day")),
+                        cursor.getInt(cursor.getColumnIndex("class_start")),
+                        cursor.getInt(cursor.getColumnIndex("class_end")),
+                        cursor.getString(cursor.getColumnIndex("weeks"))));
+            } while(cursor.moveToNext());
+        }
+        cursor.close();
+
+        //使用从数据库读取出来的课程信息来加载课程表视图
+        for (Course course : coursesList) {
+            createLeftView(course);
+            createItemCourseView(course);
+        }
+    }
+
+    //创建"第几节数"视图
+    private void createLeftView(Course course) {
+        int endNumber = course.getEnd();
+        if (endNumber > maxCoursesNumber) {
+            for (int i = 0; i < endNumber-maxCoursesNumber; i++) {
+                View view = LayoutInflater.from(this).inflate(R.layout.course_left_view, null);
+                LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(110,180);
+                view.setLayoutParams(params);
+
+                TextView text = view.findViewById(R.id.class_number_text);
+                text.setText(String.valueOf(++currentCoursesNumber));
+
+                LinearLayout leftViewLayout = findViewById(R.id.left_view_layout);
+                leftViewLayout.addView(view);
+            }
+            maxCoursesNumber = endNumber;
+        }
+    }
+
+    //创建单个课程视图
+    private void createItemCourseView(final Course course) {
+        int getDay = course.getDay();
+        if ((getDay < 1 || getDay > 7) || course.getStart() > course.getEnd())
+            Toast.makeText(this, "星期几没写对,或课程结束时间比开始时间还早~~", Toast.LENGTH_LONG).show();
+        else {
+            int dayId = 0;
+            switch (getDay) {
+                case 1: dayId = R.id.monday; break;
+                case 2: dayId = R.id.tuesday; break;
+                case 3: dayId = R.id.wednesday; break;
+                case 4: dayId = R.id.thursday; break;
+                case 5: dayId = R.id.friday; break;
+                case 6: dayId = R.id.saturday; break;
+                case 7: dayId = R.id.weekday; break;
+            }
+            day = findViewById(dayId);
+
+            int height = 180;
+            final View v = LayoutInflater.from(this).inflate(R.layout.course_card, null); //加载单个课程布局
+            v.setY(height * (course.getStart()-1)); //设置开始高度,即第几节课开始
+            LinearLayout.LayoutParams params = new LinearLayout.LayoutParams
+                    (ViewGroup.LayoutParams.MATCH_PARENT,(course.getEnd()-course.getStart()+1)*height - 8); //设置布局高度,即跨多少节课
+            v.setLayoutParams(params);
+            TextView text = v.findViewById(R.id.text_view);
+            text.setText(course.getCourseName() + "\n" + course.getTeacher() + "\n" + course.getClassRoom() + "\n" + course.getWeeks() ); //显示课程名
+            day.addView(v);
+            //长按删除课程
+            v.setOnLongClickListener(new View.OnLongClickListener() {
+                @Override
+                public boolean onLongClick(View v) {
+                    v.setVisibility(View.GONE);//先隐藏
+                    day.removeView(v);//再移除课程视图
+                    SQLiteDatabase sqLiteDatabase =  databaseHelper.getWritableDatabase();
+                    sqLiteDatabase.execSQL("delete from courses where course_name = ?", new String[] {course.getCourseName()});
+                    return true;
+                }
+            });
+        }
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+        if (requestCode == 0 && resultCode == Activity.RESULT_OK && data != null) {
+            Course course = (Course) data.getSerializableExtra("course");
+            //创建课程表左边视图(节数)
+            createLeftView(course);
+            //创建课程表视图
+            createItemCourseView(course);
+            //存储数据到数据库
+            saveData(course);
+        }
+    }
+
+    //保存数据到数据库
+    private void saveData(Course course) {
+        SQLiteDatabase sqLiteDatabase =  databaseHelper.getWritableDatabase();
+        sqLiteDatabase.execSQL
+                ("insert into courses(course_name, teacher, class_room, day, class_start, class_end, weeks) " + "values(?, ?, ?, ?, ?, ?, ?)",
+                        new String[] {course.getCourseName(),
+                                course.getTeacher(),
+                                course.getClassRoom(),
+                                course.getDay()+"",
+                                course.getStart()+"",
+                                course.getEnd()+"",
+                                course.getWeeks()}
+                );
+    }
+}
\ No newline at end of file
diff --git a/src/app/src/main/java/com/showme/myapplication/Schedule/AddScheduleActivity.java b/src/app/src/main/java/com/showme/myapplication/Schedule/AddScheduleActivity.java
new file mode 100644
index 0000000..e9f6031
--- /dev/null
+++ b/src/app/src/main/java/com/showme/myapplication/Schedule/AddScheduleActivity.java
@@ -0,0 +1,139 @@
+package com.diary.showme.Schedule;
+
+import android.app.Activity;
+import android.content.ContentValues;
+import android.content.Context;
+import android.content.Intent;
+import android.database.sqlite.SQLiteDatabase;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import com.diary.database.DatabaseHelper.ScheduleSQLHelper;
+import com.diary.showme.R;
+
+
+public class AddScheduleActivity extends AppCompatActivity implements View.OnClickListener{
+    private EditText scheduleNameInput;
+    private EditText schedulePlaceInput;
+    private EditText scheduleStartHourInput;
+    private EditText scheduleStartMinInput;
+    private EditText scheduleEndHourInput;
+    private EditText scheduleEndMinInput;
+    private Button checkAdd1;
+    private ScheduleSQLHelper mySQLiteOpenHelper;
+    private SQLiteDatabase myDatabase;
+    private Context context;
+    private TextView mySchedule2;
+    private String date;
+    private Integer cnt=0;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_schedule_add);
+        initView();
+    }
+
+    private void initView() {
+        mySQLiteOpenHelper = new ScheduleSQLHelper(this);
+        myDatabase = mySQLiteOpenHelper.getWritableDatabase();
+
+        context = this;
+        scheduleNameInput = findViewById(R.id.scheduleNameInput);
+        schedulePlaceInput = findViewById(R.id.schedulePlaceInput);
+        scheduleStartHourInput = findViewById(R.id.scheduleStartHourInput);
+        scheduleStartMinInput = findViewById(R.id.scheduleStartMinInput);
+        scheduleEndHourInput = findViewById(R.id.scheduleEndHourInput);
+        scheduleEndMinInput = findViewById(R.id.scheduleEndMinInput);
+
+        checkAdd1 = findViewById(R.id.checkAdd1);
+        checkAdd1.setOnClickListener(this);
+
+        mySchedule2 = findViewById(R.id.schedule2);
+    }
+
+    @Override
+    public void onClick(View v) {
+        switch (v.getId()){
+            case R.id.checkAdd1:
+                ContentValues values = new ContentValues();
+                Intent intent = getIntent();
+                date = intent.getStringExtra("date");
+                Integer cnt1=0;
+                if(scheduleNameInput.getText().toString().equals("")){
+                    Toast.makeText(this, "日程标题未填写", Toast.LENGTH_SHORT).show();
+                }else if((scheduleStartHourInput.getText().toString().equals("") && !scheduleStartMinInput.getText().toString().equals("")) || (!scheduleStartHourInput.getText().toString().equals("") && scheduleStartMinInput.getText().toString().equals(""))){
+                    Toast.makeText(this, "开始时间未填写完全", Toast.LENGTH_SHORT).show();
+                }else if((scheduleEndHourInput.getText().toString().equals("") && !scheduleEndMinInput.getText().toString().equals("")) || (!scheduleEndHourInput.getText().toString().equals("") && scheduleEndMinInput.getText().toString().equals(""))){
+                    Toast.makeText(this, "结束时间未填写完全", Toast.LENGTH_SHORT).show();
+                }else if(!scheduleStartHourInput.getText().toString().equals("") && !scheduleStartMinInput.getText().toString().equals("") && !scheduleEndHourInput.getText().toString().equals("") && !scheduleEndMinInput.getText().toString().equals("")){
+                    if(Integer.parseInt(scheduleEndHourInput.getText().toString())<Integer.parseInt(scheduleStartHourInput.getText().toString())){
+                        Toast.makeText(this, "时间输入不合法", Toast.LENGTH_SHORT).show();
+                        cnt1+=1;
+                    }
+                    if(Integer.parseInt(scheduleEndHourInput.getText().toString())==Integer.parseInt(scheduleStartHourInput.getText().toString()) && Integer.parseInt(scheduleEndMinInput.getText().toString())<Integer.parseInt(scheduleStartMinInput.getText().toString()) && cnt==0){
+                        Toast.makeText(this, "时间输入不合法", Toast.LENGTH_SHORT).show();
+                        cnt1+=1;
+                    }
+                    if(Integer.parseInt(scheduleStartHourInput.getText().toString())<0 || Integer.parseInt(scheduleStartHourInput.getText().toString())>24){
+                        Toast.makeText(this, "开始时输入不合法", Toast.LENGTH_SHORT).show();
+                        cnt1+=1;
+                    }
+                    if(Integer.parseInt(scheduleStartMinInput.getText().toString())<0 || Integer.parseInt(scheduleStartMinInput.getText().toString())>60){
+                        Toast.makeText(this, "开始分输入不合法", Toast.LENGTH_SHORT).show();
+                        cnt1+=1;
+                    }
+                    if(Integer.parseInt(scheduleEndHourInput.getText().toString())<0 || Integer.parseInt(scheduleEndHourInput.getText().toString())>24){
+                        Toast.makeText(this, "结束时输入不合法", Toast.LENGTH_SHORT).show();
+                        cnt1+=1;
+                    }
+                    if(Integer.parseInt(scheduleEndMinInput.getText().toString())<0 || Integer.parseInt(scheduleEndMinInput.getText().toString())>60){
+                        Toast.makeText(this, "结束分输入不合法", Toast.LENGTH_SHORT).show();
+                        cnt1+=1;
+                    }
+                    if(cnt1==0){
+                        cnt=1;
+                    }
+                }else{
+                    cnt = 1;
+                }
+                if(cnt==1) {
+                    //第一个参数是表中的列名
+                    values.put("scheduleName", scheduleNameInput.getText().toString());
+                    if(schedulePlaceInput.getText().toString().equals("")){
+                        values.put("ifSchedulePlace", 0);
+                    }else {
+                        values.put("ifSchedulePlace", 1);
+                    }
+                    if(scheduleStartHourInput.getText().toString().equals("") && scheduleStartMinInput.getText().toString().equals("")){
+                        values.put("ifStartTime", 0);
+                    }else {
+                        values.put("ifStartTime", 1);
+                    }
+                    if(scheduleEndHourInput.getText().toString().equals("")  && scheduleEndMinInput.getText().toString().equals("")){
+                        values.put("ifEndTime", 0);
+                    }else {
+                        values.put("ifEndTime", 1);
+                    }
+                    values.put("schedulePlace", schedulePlaceInput.getText().toString());
+                    values.put("startTime", scheduleStartHourInput.getText().toString() + ":" + scheduleStartMinInput.getText().toString());
+                    values.put("endTime", scheduleEndHourInput.getText().toString() + ":" + scheduleEndMinInput.getText().toString());
+                    values.put("time", date);
+                    myDatabase.insert("schedules", null, values);
+//                    Intent intent2 = new Intent(AddSchedule.this, MainActivity.class);
+//                    startActivity(intent2);
+                    setResult(Activity.RESULT_OK);
+                    finish();
+                    //queryByDate(date);
+                    break;
+                }
+        }
+    }
+
+}
diff --git a/src/app/src/main/java/com/showme/myapplication/Schedule/EditScheduleActivity.java b/src/app/src/main/java/com/showme/myapplication/Schedule/EditScheduleActivity.java
new file mode 100644
index 0000000..a607cab
--- /dev/null
+++ b/src/app/src/main/java/com/showme/myapplication/Schedule/EditScheduleActivity.java
@@ -0,0 +1,199 @@
+package com.diary.showme.Schedule;
+
+import android.app.Activity;
+import android.content.ContentValues;
+import android.content.Intent;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import com.diary.database.DatabaseHelper.ScheduleSQLHelper;
+import com.diary.showme.R;
+
+public class EditScheduleActivity extends AppCompatActivity implements View.OnClickListener{
+    private Button editBtn,deleteBtn;
+    private EditText scheduleNameInput;
+    private EditText schedulePlaceInput;
+    private EditText scheduleStartHourInput;
+    private EditText scheduleStartMinInput;
+    private EditText scheduleEndHourInput;
+    private EditText scheduleEndMinInput;
+    private ScheduleSQLHelper mySQLiteOpenHelper;
+    private SQLiteDatabase myDatabase;
+    private String scheduleName;
+    private String date;
+    private Integer cnt;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_schedule_edit);
+
+        // 首先获取到意图对象
+        Intent intent = getIntent();
+        // 获取到传递过来的姓名
+        scheduleName = intent.getStringExtra("scheduleName");
+        //获得时间
+        date = intent.getStringExtra("date");
+
+        initView();
+    }
+
+    private void initView() {
+        mySQLiteOpenHelper = new ScheduleSQLHelper(this);
+        myDatabase = mySQLiteOpenHelper.getWritableDatabase();
+
+        editBtn = findViewById(R.id.editBtn);
+        editBtn.setOnClickListener(this);
+        deleteBtn = findViewById(R.id.deleteSchedule);
+        deleteBtn.setOnClickListener(this);
+
+        Cursor cursor = myDatabase.query("schedules",null,"scheduleName=? and time=?",new String[]{scheduleName,date},null,null,null);
+
+        if(cursor.moveToFirst()){
+            String aScheduleName = cursor.getString(cursor.getColumnIndex("scheduleName"));
+            String aSchedulePlace = cursor.getString(cursor.getColumnIndex("schedulePlace"));
+            String aStartTime = cursor.getString(cursor.getColumnIndex("startTime"));
+            String aEndTime = cursor.getString(cursor.getColumnIndex("endTime"));
+            Integer ifSchedulePlace = cursor.getInt(cursor.getColumnIndex("ifSchedulePlace"));
+            Integer ifStartTime = cursor.getInt(cursor.getColumnIndex("ifStartTime"));
+            Integer ifEndTime = cursor.getInt(cursor.getColumnIndex("ifEndTime"));
+            String[] aStartTime1; //=aStartTime.split(":");
+            String[] aEndTime1; //=aEndTime.split(":");
+
+            scheduleNameInput = findViewById(R.id.scheduleNameInput);
+            schedulePlaceInput = findViewById(R.id.schedulePlaceInput);
+            scheduleStartHourInput = findViewById(R.id.scheduleStartHourInput);
+            scheduleStartMinInput = findViewById(R.id.scheduleStartMinInput);
+            scheduleEndHourInput = findViewById(R.id.scheduleEndHourInput);
+            scheduleEndMinInput = findViewById(R.id.scheduleEndMinInput);
+            scheduleNameInput.setText(aScheduleName);
+            if(ifSchedulePlace==1){
+                schedulePlaceInput.setText(aSchedulePlace);
+            }
+            if(ifStartTime == 1) {
+                aStartTime1=aStartTime.split(":");
+                scheduleStartHourInput.setText(aStartTime1[0]);
+                scheduleStartMinInput.setText(aStartTime1[1]);
+            }
+            if(ifEndTime == 1) {
+                aEndTime1=aEndTime.split(":");
+                scheduleEndHourInput.setText(aEndTime1[0]);
+                scheduleEndMinInput.setText(aEndTime1[1]);
+            }
+        }
+
+    }
+
+    @Override
+    public void onClick(View v){
+        switch (v.getId()){
+            case R.id.deleteSchedule:
+                deleteMySchedule();
+                break;
+            case R.id.editBtn:
+                editSchedule();
+                break;
+        }
+    }
+
+    private void editSchedule() {
+//        ContentValues values = new ContentValues();
+//        values.put("scheduleName",scheduleNameInput.getText().toString());
+//        values.put("scheduleName",scheduleNameInput.getText().toString());
+//        values.put("schedulePlace",schedulePlaceInput.getText().toString());
+//        values.put("startTime",scheduleStartHourInput.getText().toString()+":"+scheduleStartMinInput.getText().toString());
+//        values.put("endTime",scheduleEndHourInput.getText().toString()+":"+scheduleEndMinInput.getText().toString());
+//
+//        myDatabase.update("schedules",values,"scheduleName=?",new String[]{scheduleName});
+//
+//        Intent intent = new Intent(EditScheduleActivity.this, MainActivity.class);
+//        startActivity(intent);
+        ContentValues values = new ContentValues();
+        Intent intent = getIntent();
+        Integer cnt1 = 0;
+        date = intent.getStringExtra("date");
+        if(scheduleNameInput.getText().toString().equals("")){
+            Toast.makeText(this, "日程标题未填写", Toast.LENGTH_SHORT).show();
+        }else if((scheduleStartHourInput.getText().toString().equals("") && !scheduleStartMinInput.getText().toString().equals("")) || (!scheduleStartHourInput.getText().toString().equals("") && scheduleStartMinInput.getText().toString().equals(""))){
+            Toast.makeText(this, "开始时间未填写完全", Toast.LENGTH_SHORT).show();
+        }else if((scheduleEndHourInput.getText().toString().equals("") && !scheduleEndMinInput.getText().toString().equals("")) || (!scheduleEndHourInput.getText().toString().equals("") && scheduleEndMinInput.getText().toString().equals(""))){
+            Toast.makeText(this, "结束时间未填写完全", Toast.LENGTH_SHORT).show();
+        }else if(!scheduleStartHourInput.getText().toString().equals("") && !scheduleStartMinInput.getText().toString().equals("") && !scheduleEndHourInput.getText().toString().equals("") && !scheduleEndMinInput.getText().toString().equals("")){
+            if(Integer.parseInt(scheduleEndHourInput.getText().toString())<Integer.parseInt(scheduleStartHourInput.getText().toString())){
+                Toast.makeText(this, "时间输入不合法", Toast.LENGTH_SHORT).show();
+                cnt1+=1;
+            }
+            if(Integer.parseInt(scheduleEndHourInput.getText().toString())==Integer.parseInt(scheduleStartHourInput.getText().toString()) && Integer.parseInt(scheduleEndMinInput.getText().toString())<Integer.parseInt(scheduleStartMinInput.getText().toString()) && cnt==0){
+                Toast.makeText(this, "时间输入不合法", Toast.LENGTH_SHORT).show();
+                cnt1+=1;
+            }
+            if(Integer.parseInt(scheduleStartHourInput.getText().toString())<0 || Integer.parseInt(scheduleStartHourInput.getText().toString())>24){
+                Toast.makeText(this, "开始时输入不合法", Toast.LENGTH_SHORT).show();
+                cnt1+=1;
+            }
+            if(Integer.parseInt(scheduleStartMinInput.getText().toString())<0 || Integer.parseInt(scheduleStartMinInput.getText().toString())>60){
+                Toast.makeText(this, "开始分输入不合法", Toast.LENGTH_SHORT).show();
+                cnt1+=1;
+            }
+            if(Integer.parseInt(scheduleEndHourInput.getText().toString())<0 || Integer.parseInt(scheduleEndHourInput.getText().toString())>24){
+                Toast.makeText(this, "结束时输入不合法", Toast.LENGTH_SHORT).show();
+                cnt1+=1;
+            }
+            if(Integer.parseInt(scheduleEndMinInput.getText().toString())<0 || Integer.parseInt(scheduleEndMinInput.getText().toString())>60){
+                Toast.makeText(this, "结束分输入不合法", Toast.LENGTH_SHORT).show();
+                cnt1+=1;
+            }
+            if(cnt1==0){
+                cnt=1;
+            }
+        }else{
+            cnt = 1;
+        }
+        if(cnt==1) {
+            //第一个参数是表中的列名
+            values.put("scheduleName", scheduleNameInput.getText().toString());
+            if (schedulePlaceInput.getText().toString().equals("")) {
+                values.put("ifSchedulePlace", 0);
+            } else {
+                values.put("ifSchedulePlace", 1);
+            }
+            if (scheduleStartHourInput.getText().toString().equals("") && scheduleStartMinInput.getText().toString().equals("")) {
+                values.put("ifStartTime", 0);
+            } else {
+                values.put("ifStartTime", 1);
+            }
+            if (scheduleEndHourInput.getText().toString().equals("") && scheduleEndMinInput.getText().toString().equals("")) {
+                values.put("ifEndTime", 0);
+            } else {
+                values.put("ifEndTime", 1);
+            }
+            values.put("schedulePlace", schedulePlaceInput.getText().toString());
+            values.put("startTime", scheduleStartHourInput.getText().toString() + ":" + scheduleStartMinInput.getText().toString());
+            values.put("endTime", scheduleEndHourInput.getText().toString() + ":" + scheduleEndMinInput.getText().toString());
+            values.put("time", date);
+//            myDatabase.insert("schedules", null, values);
+            myDatabase.update("schedules",values,"scheduleName=?",new String[]{scheduleName});
+//                    Intent intent2 = new Intent(AddSchedule.this, MainActivity.class);
+//                    startActivity(intent2);
+            finish();
+        }
+    }
+
+    private void deleteMySchedule() {
+        myDatabase.delete("schedules","scheduleName=?",new String[]{scheduleName});
+        finish();
+    }
+
+    @Override
+    public void finish() {
+        setResult(Activity.RESULT_OK);
+        super.finish();
+    }
+}
diff --git a/src/app/src/main/res/layout/activity_add_course.xml b/src/app/src/main/res/layout/activity_add_course.xml
new file mode 100644
index 0000000..c85fb15
--- /dev/null
+++ b/src/app/src/main/res/layout/activity_add_course.xml
@@ -0,0 +1,125 @@
+<?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">
+
+    <ScrollView
+        android:layout_width="300dp"
+        android:layout_height="300dp"
+        android:layout_gravity="center"
+        android:scrollbars="vertical"
+        android:scrollbarAlwaysDrawHorizontalTrack="true">
+
+        <LinearLayout
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:orientation="vertical">
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center"
+                android:text="\n课程名:" />
+            <EditText
+                android:id="@+id/course_name"
+                android:layout_width="90dp"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center"
+                android:imeOptions="actionNext"
+                android:singleLine="true" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center"
+                android:text="\n星期几:" />
+            <EditText
+                android:id="@+id/week"
+                android:layout_width="30dp"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center"
+                android:inputType="number" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center"
+                android:text="\n第几节课开始:" />
+            <EditText
+                android:id="@+id/classes_begin"
+                android:layout_width="30dp"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center"
+                android:inputType="number" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center"
+                android:text="\n第几节课结束:" />
+            <EditText
+                android:id="@+id/classes_ends"
+                android:layout_width="30dp"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center"
+                android:inputType="number" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center"
+                android:text="\n周次:" />
+            <EditText
+                android:id="@+id/weeks"
+                android:layout_width="90dp"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center"
+                android:imeOptions="actionNext"
+                android:singleLine="true" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center"
+                android:text="\n教师名:" />
+            <EditText
+                android:id="@+id/teacher_name"
+                android:layout_width="90dp"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center"
+                android:imeOptions="actionNext"
+                android:singleLine="true" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center"
+                android:text="\n课室:" />
+            <EditText
+                android:id="@+id/class_room"
+                android:layout_width="90dp"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center"
+                android:imeOptions="actionNext"
+                android:singleLine="true" />
+        </LinearLayout>
+    </ScrollView>
+
+    <Button
+        android:id="@+id/button"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="15dp"
+        android:layout_gravity="center"
+        android:text="完成" />
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:text="\n 在课程表界面长按一个课程可以删除它 \n"/>
+
+</LinearLayout>
\ No newline at end of file
diff --git a/src/app/src/main/res/layout/activity_course.xml b/src/app/src/main/res/layout/activity_course.xml
new file mode 100644
index 0000000..8ffd10b
--- /dev/null
+++ b/src/app/src/main/res/layout/activity_course.xml
@@ -0,0 +1,184 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/CLayout"
+    android:orientation="vertical"
+    android:background="@drawable/bg"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="41dp"
+        android:orientation="horizontal">
+
+        <Button
+            android:id="@+id/back_to_calendar"
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            android:layout_weight="1"
+            android:background="#0D000000"
+            android:text="返回"
+            />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            android:layout_weight="28"
+            android:textAlignment="center"
+            android:textSize="28sp"
+            android:background="#0D000000"
+            android:text="课程表" />
+
+        <Button
+            android:id="@+id/add_courses"
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            android:background="#0D000000"
+            android:text="添加课程"
+            android:layout_weight="1"/>
+
+    </LinearLayout>
+
+    <ScrollView
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:app="http://schemas.android.com/apk/res-auto"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <FrameLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical">
+
+                <!--星期条-->
+                <LinearLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="30dp"
+                    android:background="#0DA993C5">
+
+                    <TextView
+                        android:layout_width="120px"
+                        android:layout_height="match_parent"
+                        android:gravity="center"
+                        android:text="节/周"/>
+                    <TextView
+                        android:layout_width="0dp"
+                        android:layout_height="match_parent"
+                        android:layout_weight="1"
+                        android:gravity="center"
+                        android:text="周一"/>
+                    <TextView
+                        android:layout_width="0dp"
+                        android:layout_height="match_parent"
+                        android:layout_weight="1"
+                        android:gravity="center"
+                        android:text="周二"/>
+                    <TextView
+                        android:layout_width="0dp"
+                        android:layout_height="match_parent"
+                        android:layout_weight="1"
+                        android:gravity="center"
+                        android:text="周三"/>
+                    <TextView
+                        android:layout_width="0dp"
+                        android:layout_height="match_parent"
+                        android:layout_weight="1"
+                        android:gravity="center"
+                        android:text="周四"/>
+                    <TextView
+                        android:layout_width="0dp"
+                        android:layout_height="match_parent"
+                        android:layout_weight="1"
+                        android:gravity="center"
+                        android:text="周五"/>
+                    <TextView
+                        android:layout_width="0dp"
+                        android:layout_height="match_parent"
+                        android:layout_weight="1"
+                        android:gravity="center"
+                        android:text="周六"/>
+                    <TextView
+                        android:layout_width="0dp"
+                        android:layout_height="match_parent"
+                        android:layout_weight="1"
+                        android:gravity="center"
+                        android:text="周日"/>
+                </LinearLayout>
+                <!--课程表-->
+                <LinearLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content">
+
+                    <!--左侧"节数"布局-->
+                    <LinearLayout
+                        android:id="@+id/left_view_layout"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:orientation="vertical"/>
+                    <!--星期一到星期天的布局-->
+                    <RelativeLayout
+                        android:id="@+id/monday"
+                        android:layout_width="0dp"
+                        android:layout_height="match_parent"
+                        android:layout_weight="1"
+                        android:orientation="vertical"
+                        android:layout_margin="1dp"/>
+                    <RelativeLayout
+                        android:id="@+id/tuesday"
+                        android:layout_width="0dp"
+                        android:layout_height="match_parent"
+                        android:layout_weight="1"
+                        android:orientation="vertical"
+                        android:layout_margin="1dp"/>
+                    <RelativeLayout
+                        android:id="@+id/wednesday"
+                        android:layout_width="0dp"
+                        android:layout_height="match_parent"
+                        android:layout_weight="1"
+                        android:orientation="vertical"
+                        android:layout_margin="1dp"/>
+                    <RelativeLayout
+                        android:id="@+id/thursday"
+                        android:layout_width="0dp"
+                        android:layout_height="match_parent"
+                        android:layout_weight="1"
+                        android:orientation="vertical"
+                        android:layout_margin="1dp"/>
+                    <RelativeLayout
+                        android:id="@+id/friday"
+                        android:layout_width="0dp"
+                        android:layout_height="match_parent"
+                        android:layout_weight="1"
+                        android:orientation="vertical"
+                        android:layout_margin="1dp"/>
+                    <RelativeLayout
+                        android:id="@+id/saturday"
+                        android:layout_width="0dp"
+                        android:layout_height="match_parent"
+                        android:layout_weight="1"
+                        android:orientation="vertical"
+                        android:layout_margin="1dp"/>
+                    <RelativeLayout
+                        android:id="@+id/weekday"
+                        android:layout_width="0dp"
+                        android:layout_height="match_parent"
+                        android:layout_weight="1"
+                        android:orientation="vertical"
+                        android:layout_marginTop="1dp"
+                        android:layout_marginLeft="1dp"
+                        android:layout_marginBottom="1dp"/>
+                </LinearLayout>
+
+            </LinearLayout>
+
+        </FrameLayout>
+
+    </ScrollView>
+
+</LinearLayout>
diff --git a/src/app/src/main/res/layout/activity_schedule_add.xml b/src/app/src/main/res/layout/activity_schedule_add.xml
new file mode 100644
index 0000000..ad3c983
--- /dev/null
+++ b/src/app/src/main/res/layout/activity_schedule_add.xml
@@ -0,0 +1,132 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:id="@+id/addSchedulePage">
+
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        tools:ignore="MissingConstraints">
+
+
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical">
+
+            <EditText
+                android:id="@+id/scheduleNameInput"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:hint="请输入日程"/>
+
+            <EditText
+                android:id="@+id/schedulePlaceInput"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:hint="请输入地点"/>
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical">
+
+                <RelativeLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="40dp">
+
+                    <TextView
+                        android:id="@+id/tv_st"
+                        android:layout_width="wrap_content"
+                        android:layout_height="match_parent"
+                        android:textSize="18sp"
+                        android:hint="请输入开始时间"
+                        android:gravity="center"/>
+
+                    <EditText
+                        android:id="@+id/scheduleStartHourInput"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_toRightOf="@id/tv_st"
+                        android:hint="时"
+                        android:layout_marginLeft="10dp"
+                        android:paddingRight="40dp"
+                        android:inputType="number"/>
+
+                    <EditText
+                        android:id="@+id/scheduleStartMinInput"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_toRightOf="@id/scheduleStartHourInput"
+                        android:hint="分"
+                        android:layout_marginLeft="10dp"
+                        android:paddingRight="40dp"
+                        android:inputType="number"/>
+
+                </RelativeLayout>
+
+                <RelativeLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="40dp">
+
+                    <TextView
+                        android:id="@+id/tv_et"
+                        android:layout_width="wrap_content"
+                        android:layout_height="match_parent"
+                        android:textSize="18sp"
+                        android:hint="请输入结束时间"
+                        android:gravity="center"/>
+
+                    <EditText
+                        android:id="@+id/scheduleEndHourInput"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:hint="时"
+                        android:layout_toRightOf="@id/tv_et"
+                        android:layout_marginLeft="10dp"
+                        android:paddingRight="40dp"
+                        android:inputType="number"/>/>
+
+                    <EditText
+                        android:id="@+id/scheduleEndMinInput"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_toRightOf="@id/scheduleEndHourInput"
+                        android:hint="分"
+                        android:layout_marginLeft="10dp"
+                        android:paddingRight="40dp"
+                        android:inputType="number"/>
+
+                </RelativeLayout>
+            </LinearLayout>
+
+            <Button
+                android:id="@+id/checkAdd1"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="确认添加"
+                android:clickable="true"/>
+
+            <TextView
+                android:id="@+id/schedule2"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:visibility="gone"
+                android:clickable="true"
+                android:textSize="30dp"
+                android:layout_marginLeft="20dp"/>
+
+        </LinearLayout>
+
+
+
+    </LinearLayout>
+
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/src/app/src/main/res/layout/course_card.xml b/src/app/src/main/res/layout/course_card.xml
new file mode 100644
index 0000000..0d97c62
--- /dev/null
+++ b/src/app/src/main/res/layout/course_card.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.cardview.widget.CardView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="45dp"
+    android:layout_height="70dp"
+    android:foreground="?android:attr/selectableItemBackground"
+    app:cardBackgroundColor="#7feacdd1"
+    app:cardCornerRadius="7dp">
+
+    <TextView
+        android:id="@+id/text_view"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:gravity="center"/>
+
+</androidx.cardview.widget.CardView>
\ No newline at end of file
diff --git a/src/app/src/main/res/layout/course_left_view.xml b/src/app/src/main/res/layout/course_left_view.xml
new file mode 100644
index 0000000..b363f00
--- /dev/null
+++ b/src/app/src/main/res/layout/course_left_view.xml
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="45dp"
+    android:layout_height="100dp"
+    android:background="#7fab96c5"
+    android:orientation="vertical">
+
+    <TextView
+        android:id="@+id/time_start"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_alignParentTop="true"
+        android:gravity="center"/>
+
+    <TextView
+        android:id="@+id/class_number_text"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_centerInParent="true"
+        android:gravity="center"/>
+
+    <TextView
+        android:id="@+id/time_end"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_alignParentBottom="true"
+        android:gravity="center"/>
+
+    <View
+        android:layout_width="match_parent"
+        android:layout_height="1dp"
+        android:background="#7fD5D5D5"
+        android:layout_alignParentBottom="true"/>
+
+</RelativeLayout>
\ No newline at end of file
diff --git a/src/app/src/main/res/layout/part_common_title.xml b/src/app/src/main/res/layout/part_common_title.xml
new file mode 100644
index 0000000..94bc624
--- /dev/null
+++ b/src/app/src/main/res/layout/part_common_title.xml
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/common_title_ll"
+    android:background="#161414"
+    android:layout_width="match_parent"
+    android:layout_height="45dp"
+    android:orientation="horizontal"
+    >
+
+    <ImageView
+        android:id="@+id/common_iv_back"
+        android:paddingLeft="5dp"
+        android:layout_width="50dp"
+        android:layout_height="30dp"
+        android:layout_gravity="center_vertical"
+        android:src="@drawable/ic_arrow_back_black_24dp"
+        />
+
+    <TextView
+        android:id="@+id/common_tv_title"
+        android:layout_width="0dp"
+        android:layout_weight="1"
+        android:layout_height="match_parent"
+        android:text="添加日记"
+        android:textColor="#ffffff"
+        android:layout_gravity="center"
+        android:gravity="center"
+        android:textSize="18sp"
+        android:textStyle="bold"
+        />
+
+    <ImageView
+        android:id="@+id/common_iv_test"
+        android:layout_width="50dp"
+        android:layout_height="30dp"
+
+        />
+
+
+
+</LinearLayout>
diff --git a/src/app/src/main/res/xml/file_paths.xml b/src/app/src/main/res/xml/file_paths.xml
new file mode 100644
index 0000000..cdbb2c7
--- /dev/null
+++ b/src/app/src/main/res/xml/file_paths.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <paths>
+        <root-path
+            name="root"
+            path="" />
+        <files-path
+            name="files"
+            path="" />
+
+        <cache-path
+            name="cache"
+            path="" />
+
+        <external-path
+            name="camera_photos"
+            path="" />
+
+        <external-files-path
+            name="external_file_path"
+            path="" />
+        <external-cache-path
+            name="external_cache_path"
+            path="" />
+    </paths>
+</resources>
\ No newline at end of file