質問編集履歴
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----------------メイン画面(時間割表の画面)の処理------------------------
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```Kotlin
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markdown記述を利用してコードを記述しました
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----------------メイン画面(時間割表の画面)の処理------------------------
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`,`Kotlin
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package com.example.timeschedule
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```
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----------------科目登録の画面側の処理----------------------------------
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```Kotlin
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package com.example.timeschedule
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import android.app.Activity
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import android.content.Intent
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import androidx.appcompat.app.AppCompatActivity
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import android.os.Bundle
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import androidx.core.content.edit
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import androidx.preference.PreferenceManager
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import kotlinx.android.synthetic.main.activity_add_subject.*
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import java.io.Serializable
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class addSubject : AppCompatActivity() {
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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setContentView(R.layout.activity_add_subject)
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backButton.setOnClickListener {
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finish()
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}
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addButton.setOnClickListener {
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val intent = Intent()
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intent.putExtra("TEXT_KEY",subjectName.text.toString())//戻す情報をintentにセット
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setResult(Activity.RESULT_OK,intent)//結果のコードとibtentをセット
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val lesson = LessonData(this)//登録ボタンを押した際、内容をLessonDataに書き込む
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lesson.name = subjectName.text.toString()
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lesson.teacher = responsibleTeacher.text.toString()
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lesson.room = lectureRoom.text.toString()
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finish()
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}
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}
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override fun onStart() {
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super.onStart()
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val lesson = LessonData(this)//前回保存したデータを読み込む
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val name = lesson.name
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val teacher = lesson.teacher
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val room = lesson.room
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subjectName.setText(name)
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lectureRoom.setText(room)
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responsibleTeacher.setText(teacher)
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}
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}
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```
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----------------科目登録の画面用のデータセット--------------------------
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```Kotlin
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package com.example.timeschedule
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import android.content.Context
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import androidx.preference.PreferenceManager
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class LessonData(context: Context) {
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private val prefs = PreferenceManager.getDefaultSharedPreferences(context)
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var name: String?//科目名
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get() = prefs.getString("NAME", null)
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set(value) = prefs.edit().putString("NAME", value).apply()
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var teacher: String?//教師名
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get() = prefs.getString("TEACHER", null)
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set(value) = prefs.edit().putString("TEACHER", value).apply()
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var room: String?//部屋番号
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get() = prefs.getString("ROOM", null)
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set(value) = prefs.edit().putString("ROOM", value).apply()
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}
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```
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-----------------------------------------------------------------------
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----------------科目登録の画面側の処理----------------------------------
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package com.example.timeschedule
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import android.app.Activity
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import android.content.Intent
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import androidx.appcompat.app.AppCompatActivity
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import android.os.Bundle
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import androidx.core.content.edit
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import androidx.preference.PreferenceManager
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import kotlinx.android.synthetic.main.activity_add_subject.*
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import java.io.Serializable
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class addSubject : AppCompatActivity() {
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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setContentView(R.layout.activity_add_subject)
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backButton.setOnClickListener {
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finish()
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}
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addButton.setOnClickListener {
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val intent = Intent()
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intent.putExtra("TEXT_KEY",subjectName.text.toString())//戻す情報をintentにセット
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setResult(Activity.RESULT_OK,intent)//結果のコードとibtentをセット
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val lesson = LessonData(this)//登録ボタンを押した際、内容をLessonDataに書き込む
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lesson.name = subjectName.text.toString()
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lesson.teacher = responsibleTeacher.text.toString()
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lesson.room = lectureRoom.text.toString()
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finish()
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}
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}
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override fun onStart() {
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super.onStart()
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val lesson = LessonData(this)//前回保存したデータを読み込む
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val name = lesson.name
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val teacher = lesson.teacher
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val room = lesson.room
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subjectName.setText(name)
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lectureRoom.setText(room)
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responsibleTeacher.setText(teacher)
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}
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----------------科目登録の画面用のデータセット--------------------------
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package com.example.timeschedule
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import androidx.preference.PreferenceManager
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class LessonData(context: Context) {
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private val prefs = PreferenceManager.getDefaultSharedPreferences(context)
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var name: String?//科目名
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get() = prefs.getString("NAME", null)
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set(value) = prefs.edit().putString("NAME", value).apply()
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var teacher: String?//教師名
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get() = prefs.getString("TEACHER", null)
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set(value) = prefs.edit().putString("TEACHER", value).apply()
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var room: String?//部屋番号
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get() = prefs.getString("ROOM", null)
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set(value) = prefs.edit().putString("ROOM", value).apply()
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}
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//時間割表の画面
|
1
コードの部分を直接書き込みました
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -14,21 +14,271 @@
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14
14
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15
15
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1つボタンを作って試した際はうまくいったのですが、2つ目のボタン(buttonと書かれたボタン)を配置して試したところ、1つ目のボタンの内容が変更されてしまいました。このまま続けると、20個配置してもすべて1つ目のボタンが変更されてしまうと思い、今回こちらの掲示板に質問することに決めました。
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まずは、現状を知ってもらうために画像を貼っておきます。
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まずは、現状を知ってもらうために各コードとレイアウトの画像を貼っておきます。
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18
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+
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|
19
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+
----------------メイン画面(時間割表の画面)の処理------------------------
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20
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21
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+
package com.example.timeschedule
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22
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23
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24
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25
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import android.app.Activity
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26
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27
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import android.content.Intent
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28
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29
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import androidx.appcompat.app.AppCompatActivity
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30
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31
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+
import android.os.Bundle
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32
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+
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33
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+
import android.view.View
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34
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35
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import kotlinx.android.synthetic.main.activity_main.*
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36
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37
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38
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39
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class MainActivity : AppCompatActivity() {
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40
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41
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42
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+
|
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43
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+
companion object{
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44
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+
|
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45
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+
const val REQUEST_CODE = 1000//REQUEST_CODEの値はいくつでもよい。
|
|
46
|
+
|
|
47
|
+
// onActivityResult()に戻ってきたときに、どのActivityから戻ってきたのかを判別する。
|
|
48
|
+
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|
49
|
+
// 今回のように遷移先が1つしかない場合、値は何でもよい。
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50
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+
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51
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}
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52
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53
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55
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override fun onCreate(savedInstanceState: Bundle?) {
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56
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+
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57
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+
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58
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+
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59
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+
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60
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+
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61
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+
super.onCreate(savedInstanceState)
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62
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+
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63
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+
setContentView(R.layout.activity_main)
|
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64
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+
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65
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+
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66
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67
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mon_12button.setOnClickListener {
|
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68
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+
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69
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+
val intent = Intent(this, addSubject::class.java)
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70
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+
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71
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+
startActivityForResult(intent, REQUEST_CODE)
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72
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+
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73
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74
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+
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75
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}
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76
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+
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77
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+
mon_12button2.setOnClickListener {
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78
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+
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79
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intent = Intent(this,addSubject::class.java)
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80
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+
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81
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+
startActivityForResult(intent, REQUEST_CODE)
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82
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+
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83
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+
}
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84
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+
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85
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+
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86
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+
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87
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+
}
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88
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+
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89
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+
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90
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+
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91
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+
override fun onStart() {
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92
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+
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93
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+
super.onStart()
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94
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+
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95
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+
val lesson = LessonData(this)//mainで読み込めばアプリを閉じて、再び開いても保存されたまま?
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96
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+
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97
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+
val name = lesson.name
|
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98
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+
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99
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+
mon_12button.text = name
|
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100
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+
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101
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+
}
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102
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+
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103
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+
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104
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+
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105
|
+
//結果を受け取るメソッド
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106
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+
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107
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+
override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
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108
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+
|
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109
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+
super.onActivityResult(requestCode, resultCode, data)
|
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110
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+
|
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111
|
+
|
|
112
|
+
|
|
113
|
+
if(requestCode == REQUEST_CODE && resultCode == Activity.RESULT_OK){
|
|
114
|
+
|
|
115
|
+
//RESURT_OKで帰ってきたとき、ボタンのテキストを更新
|
|
116
|
+
|
|
117
|
+
mon_12button.text = data?.getStringExtra("TEXT_KEY")
|
|
118
|
+
|
|
119
|
+
}
|
|
120
|
+
|
|
121
|
+
}
|
|
122
|
+
|
|
123
|
+
}
|
|
124
|
+
|
|
125
|
+
-----------------------------------------------------------------------
|
|
126
|
+
|
|
127
|
+
|
|
128
|
+
|
|
129
|
+
----------------科目登録の画面側の処理----------------------------------
|
|
130
|
+
|
|
131
|
+
package com.example.timeschedule
|
|
132
|
+
|
|
133
|
+
|
|
134
|
+
|
|
135
|
+
import android.app.Activity
|
|
136
|
+
|
|
137
|
+
import android.content.Intent
|
|
138
|
+
|
|
139
|
+
import androidx.appcompat.app.AppCompatActivity
|
|
140
|
+
|
|
141
|
+
import android.os.Bundle
|
|
142
|
+
|
|
143
|
+
import androidx.core.content.edit
|
|
144
|
+
|
|
145
|
+
import androidx.preference.PreferenceManager
|
|
146
|
+
|
|
147
|
+
import kotlinx.android.synthetic.main.activity_add_subject.*
|
|
148
|
+
|
|
149
|
+
import java.io.Serializable
|
|
150
|
+
|
|
151
|
+
|
|
152
|
+
|
|
153
|
+
|
|
154
|
+
|
|
155
|
+
class addSubject : AppCompatActivity() {
|
|
156
|
+
|
|
157
|
+
|
|
158
|
+
|
|
159
|
+
override fun onCreate(savedInstanceState: Bundle?) {
|
|
160
|
+
|
|
161
|
+
super.onCreate(savedInstanceState)
|
|
162
|
+
|
|
163
|
+
|
|
164
|
+
|
|
165
|
+
setContentView(R.layout.activity_add_subject)
|
|
166
|
+
|
|
167
|
+
backButton.setOnClickListener {
|
|
168
|
+
|
|
169
|
+
finish()
|
|
170
|
+
|
|
171
|
+
}
|
|
172
|
+
|
|
173
|
+
|
|
174
|
+
|
|
175
|
+
addButton.setOnClickListener {
|
|
176
|
+
|
|
177
|
+
val intent = Intent()
|
|
178
|
+
|
|
179
|
+
intent.putExtra("TEXT_KEY",subjectName.text.toString())//戻す情報をintentにセット
|
|
180
|
+
|
|
181
|
+
setResult(Activity.RESULT_OK,intent)//結果のコードとibtentをセット
|
|
182
|
+
|
|
183
|
+
|
|
184
|
+
|
|
185
|
+
val lesson = LessonData(this)//登録ボタンを押した際、内容をLessonDataに書き込む
|
|
186
|
+
|
|
187
|
+
lesson.name = subjectName.text.toString()
|
|
188
|
+
|
|
189
|
+
lesson.teacher = responsibleTeacher.text.toString()
|
|
190
|
+
|
|
191
|
+
lesson.room = lectureRoom.text.toString()
|
|
192
|
+
|
|
193
|
+
finish()
|
|
194
|
+
|
|
195
|
+
|
|
196
|
+
|
|
197
|
+
}
|
|
198
|
+
|
|
199
|
+
|
|
200
|
+
|
|
201
|
+
}
|
|
202
|
+
|
|
203
|
+
|
|
204
|
+
|
|
205
|
+
override fun onStart() {
|
|
206
|
+
|
|
207
|
+
super.onStart()
|
|
208
|
+
|
|
209
|
+
val lesson = LessonData(this)//前回保存したデータを読み込む
|
|
210
|
+
|
|
211
|
+
val name = lesson.name
|
|
212
|
+
|
|
213
|
+
val teacher = lesson.teacher
|
|
214
|
+
|
|
215
|
+
val room = lesson.room
|
|
216
|
+
|
|
217
|
+
subjectName.setText(name)
|
|
218
|
+
|
|
219
|
+
lectureRoom.setText(room)
|
|
220
|
+
|
|
221
|
+
responsibleTeacher.setText(teacher)
|
|
222
|
+
|
|
223
|
+
|
|
224
|
+
|
|
225
|
+
}
|
|
226
|
+
|
|
227
|
+
|
|
228
|
+
|
|
229
|
+
}
|
|
230
|
+
|
|
231
|
+
-----------------------------------------------------------------------
|
|
232
|
+
|
|
233
|
+
|
|
234
|
+
|
|
235
|
+
|
|
236
|
+
|
|
237
|
+
----------------科目登録の画面用のデータセット--------------------------
|
|
238
|
+
|
|
239
|
+
package com.example.timeschedule
|
|
240
|
+
|
|
241
|
+
|
|
242
|
+
|
|
243
|
+
import android.content.Context
|
|
244
|
+
|
|
245
|
+
import androidx.preference.PreferenceManager
|
|
246
|
+
|
|
247
|
+
|
|
248
|
+
|
|
249
|
+
class LessonData(context: Context) {
|
|
250
|
+
|
|
251
|
+
private val prefs = PreferenceManager.getDefaultSharedPreferences(context)
|
|
252
|
+
|
|
253
|
+
|
|
254
|
+
|
|
255
|
+
var name: String?//科目名
|
|
256
|
+
|
|
257
|
+
get() = prefs.getString("NAME", null)
|
|
258
|
+
|
|
259
|
+
set(value) = prefs.edit().putString("NAME", value).apply()
|
|
260
|
+
|
|
261
|
+
|
|
262
|
+
|
|
263
|
+
var teacher: String?//教師名
|
|
264
|
+
|
|
265
|
+
get() = prefs.getString("TEACHER", null)
|
|
266
|
+
|
|
267
|
+
set(value) = prefs.edit().putString("TEACHER", value).apply()
|
|
268
|
+
|
|
269
|
+
|
|
270
|
+
|
|
271
|
+
var room: String?//部屋番号
|
|
272
|
+
|
|
273
|
+
get() = prefs.getString("ROOM", null)
|
|
274
|
+
|
|
275
|
+
set(value) = prefs.edit().putString("ROOM", value).apply()
|
|
276
|
+
|
|
277
|
+
}
|
|
278
|
+
|
|
279
|
+
|
|
280
|
+
|
|
281
|
+
-----------------------------------------------------------------------
|
|
32
282
|
|
|
33
283
|
|
|
34
284
|
|