トップ XMLに関する質問設定画面のスピナーで決定した通貨のシンボルを他のアクティビティに反映させたい

編集履歴

質問編集履歴

Currency.javaを編集

2022/06/12 03:05

投稿

Yakusugi

スコア123

test CHANGED Viewed

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test CHANGED Viewed

@@ -14,8 +14,9 @@
 図１（通貨設定画面）
 ![イメージ説明](https://ddjkaamml8q8x.cloudfront.net/questions/2022-06-05/b3ad133d-aa14-455b-aa90-d6d99317beef.png)
-図2 (cyrrencyArreylist)
+図2 (ブレークポイント)
-![イメージ説明](https://ddjkaamml8q8x.cloudfront.net/questions/2022-06-12/be9324dc-55d3-4477-a02e-013fa137880f.png)
+![イメージ説明](https://ddjkaamml8q8x.cloudfront.net/questions/2022-06-12/8c3c1a92-b301-4dff-97a1-efdd72179307.png)
 BudgetTrackerSettingsActivity.java
 ```ここに言語を入力
@@ -92,11 +93,15 @@
 ```ここに言語を入力
 package com.myproject.offlinebudgettrackerappproject;
-<import箇所は省略>
+import java.util.ArrayList;
 public class Currency {
     private static ArrayList<Currency> currencyArrayList = new ArrayList<>();
+    static {
+        initCurrencies();
+    }
     private String id;
     private String currency;
@@ -154,6 +159,7 @@
         return currencyArrayList;
     }
 }
 ```

XML Java Android

図2 (cyrrencyArreylist)を編集

2022/06/12 02:55

投稿

Yakusugi

スコア123

test CHANGED Viewed

File without changes

test CHANGED Viewed

@@ -15,7 +15,7 @@
 ![イメージ説明](https://ddjkaamml8q8x.cloudfront.net/questions/2022-06-05/b3ad133d-aa14-455b-aa90-d6d99317beef.png)
 図2 (cyrrencyArreylist)
-![イメージ説明](https://ddjkaamml8q8x.cloudfront.net/questions/2022-06-12/4788729f-28f1-4e9d-aa79-6ac15a79331b.png)
+![イメージ説明](https://ddjkaamml8q8x.cloudfront.net/questions/2022-06-12/be9324dc-55d3-4477-a02e-013fa137880f.png)
 BudgetTrackerSettingsActivity.java
 ```ここに言語を入力

XML Java Android

図3 (cyrrencyArreylist)を追加

2022/06/12 02:48

投稿

Yakusugi

スコア123

test CHANGED Viewed

File without changes

test CHANGED Viewed

@@ -14,8 +14,8 @@
 図１（通貨設定画面）
 ![イメージ説明](https://ddjkaamml8q8x.cloudfront.net/questions/2022-06-05/b3ad133d-aa14-455b-aa90-d6d99317beef.png)
-図2（Home画面）
+図2 (cyrrencyArreylist)
-![イメージ説明](https://ddjkaamml8q8x.cloudfront.net/questions/2022-06-11/c820dd3b-0b16-4386-bd66-a0ae955b8aaf.png)
+![イメージ説明](https://ddjkaamml8q8x.cloudfront.net/questions/2022-06-12/4788729f-28f1-4e9d-aa79-6ac15a79331b.png)
 BudgetTrackerSettingsActivity.java
 ```ここに言語を入力

XML Java Android

HomeFragment編集

2022/06/12 01:08

投稿

Yakusugi

スコア123

test CHANGED Viewed

File without changes

test CHANGED Viewed

@@ -209,6 +209,7 @@
         //選択された通貨の設定
         String currentCurrency = sharedPreferences.getString("CURRENCY", "");
         int currentCurrencyNum = sharedPreferences.getInt("PREF_CURRENCY_VALUE", 0);
+        //126行目
         Currency currency = Currency.getCurrencyArrayList().get(currentCurrencyNum);
         currentCurrencyTv.setCompoundDrawablesWithIntrinsicBounds(currency.getCurrencyImage(), 0, 0, 0);

XML Java Android

IndexOutOfBoundsException(エラー内容)記載

2022/06/12 01:00

投稿

Yakusugi

スコア123

test CHANGED Viewed

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test CHANGED Viewed

@@ -213,3 +213,37 @@
         currentCurrencyTv.setCompoundDrawablesWithIntrinsicBounds(currency.getCurrencyImage(), 0, 0, 0);
 ```
+IndexOutOfBoundsException(エラー内容)
+```ここに言語を入力
+2022-06-12 09:57:04.765 32399-32399/com.myproject.offlinebudgettrackerappproject E/AndroidRuntime: FATAL EXCEPTION: main
+    Process: com.myproject.offlinebudgettrackerappproject, PID: 32399
+    java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
+        at java.util.ArrayList.get(ArrayList.java:437)
+        at com.myproject.offlinebudgettrackerappproject.HomeFragment.onCreateView(HomeFragment.java:126)
+        at androidx.fragment.app.Fragment.performCreateView(Fragment.java:2963)
+        at androidx.fragment.app.FragmentStateManager.createView(FragmentStateManager.java:518)
+        at androidx.fragment.app.FragmentStateManager.moveToExpectedState(FragmentStateManager.java:282)
+        at androidx.fragment.app.FragmentManager.executeOpsTogether(FragmentManager.java:2189)
+        at androidx.fragment.app.FragmentManager.removeRedundantOperationsAndExecute(FragmentManager.java:2100)
+        at androidx.fragment.app.FragmentManager.execPendingActions(FragmentManager.java:2002)
+        at androidx.fragment.app.FragmentManager.dispatchStateChange(FragmentManager.java:3138)
+        at androidx.fragment.app.FragmentManager.dispatchActivityCreated(FragmentManager.java:3072)
+        at androidx.fragment.app.FragmentController.dispatchActivityCreated(FragmentController.java:251)
+        at androidx.fragment.app.FragmentActivity.onStart(FragmentActivity.java:502)
+        at androidx.appcompat.app.AppCompatActivity.onStart(AppCompatActivity.java:246)
+        at android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1432)
+        at android.app.Activity.performStart(Activity.java:7848)
+        at android.app.ActivityThread.handleStartActivity(ActivityThread.java:3294)
+        at android.app.servertransaction.TransactionExecutor.performLifecycleSequence(TransactionExecutor.java:221)
+        at android.app.servertransaction.TransactionExecutor.cycleToPath(TransactionExecutor.java:201)
+        at android.app.servertransaction.TransactionExecutor.executeLifecycleState(TransactionExecutor.java:173)
+        at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:97)
+        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2016)
+        at android.os.Handler.dispatchMessage(Handler.java:107)
+        at android.os.Looper.loop(Looper.java:214)
+        at android.app.ActivityThread.main(ActivityThread.java:7356)
+        at java.lang.reflect.Method.invoke(Native Method)
+        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
+        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)
+```

XML Java Android

HomeFragmentを編集

2022/06/12 00:58

投稿

Yakusugi

スコア123

test CHANGED Viewed

File without changes

test CHANGED Viewed

@@ -209,13 +209,7 @@
         //選択された通貨の設定
         String currentCurrency = sharedPreferences.getString("CURRENCY", "");
         int currentCurrencyNum = sharedPreferences.getInt("PREF_CURRENCY_VALUE", 0);
-        currentCurrencyTv.setText(currentCurrency);
+        Currency currency = Currency.getCurrencyArrayList().get(currentCurrencyNum);
-        if (currentCurrencyNum == 0) {
-            currentCurrencyTv.setCompoundDrawablesWithIntrinsicBounds(R.drawable.ic_money, 0, 0, 0);
+        currentCurrencyTv.setCompoundDrawablesWithIntrinsicBounds(currency.getCurrencyImage(), 0, 0, 0);
-        } else if (currentCurrencyNum == 1) {
-            currentCurrencyTv.setCompoundDrawablesWithIntrinsicBounds(R.drawable.ic_yen, 0, 0, 0);
-        } else if (currentCurrencyNum == 2) {
-            currentCurrencyTv.setCompoundDrawablesWithIntrinsicBounds(R.drawable.ic_euro, 0, 0, 0);
-        }
-```
+```

XML Java Android

BudgetTrackerSettingsActivity、HomeFragmentの編集とHome画面のスクショ追加

2022/06/11 10:39

投稿

Yakusugi

スコア123

test CHANGED Viewed

File without changes

test CHANGED Viewed

@@ -14,26 +14,28 @@
 図１（通貨設定画面）
 ![イメージ説明](https://ddjkaamml8q8x.cloudfront.net/questions/2022-06-05/b3ad133d-aa14-455b-aa90-d6d99317beef.png)
-図2（購入商品入力画面）
+図2（Home画面）
-![イメージ説明](https://ddjkaamml8q8x.cloudfront.net/questions/2022-06-05/f877517f-381b-4c34-96ba-83244e945ad0.png)
+![イメージ説明](https://ddjkaamml8q8x.cloudfront.net/questions/2022-06-11/c820dd3b-0b16-4386-bd66-a0ae955b8aaf.png)
 BudgetTrackerSettingsActivity.java
 ```ここに言語を入力
 package com.myproject.offlinebudgettrackerappproject;
 <import箇所は省略>
+import androidx.appcompat.app.AppCompatActivity;
+import com.myproject.offlinebudgettrackerappproject.adapter.CurrencySpinnerAdapter;
 public class BudgetTrackerSettingsActivity extends AppCompatActivity {
     Spinner spinner;
     public static String spinnerText;
-    CheckBox currencyRemember;
     Button currencyBtn;
-    Currency currency;
+    String selectedCurrency;
     SharedPreferences sharedPreferences;
-    String selectedCurrency;
+    private static final String PREF_CURRENCY_FILENAME = "CURRENCY_SHARED";
-    boolean currencyChecked;
     private static final String PREF_CURRENCY_VALUE = "currencyValue";
     @Override
@@ -43,82 +45,36 @@
         Currency.initCurrencies();
         spinner = (Spinner) findViewById(R.id.currency_spinner);
-        currencyRemember = (CheckBox) findViewById(R.id.currency_check_box);
         currencyBtn = (Button) findViewById(R.id.currency_btn);
         CurrencySpinnerAdapter currencySpinnerAdapter = new CurrencySpinnerAdapter(this, R.layout.currency_spinner_adopter,
                 Currency.getCurrencyArrayList());
         spinner.setAdapter(currencySpinnerAdapter);
-        sharedPreferences = getSharedPreferences("CURRENCY_SHARED", 0);
+        sharedPreferences = getSharedPreferences(PREF_CURRENCY_FILENAME, Context.MODE_PRIVATE);
+        spinner.setSelection(sharedPreferences.getInt(PREF_CURRENCY_VALUE, 0));
         spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
             @Override
             public void onItemSelected(AdapterView<?> adapterView, View view, int position, long l) {
                 Currency currency = (Currency) spinner.getSelectedItem();
                 spinnerText = currency.getCurrency();
-                if (spinnerText == "US Dollars") {
-                    Toast.makeText(BudgetTrackerSettingsActivity.this, "US Dollars", Toast.LENGTH_SHORT).show();
-                    currencyBtn.setOnClickListener(new View.OnClickListener() {
+                currencyBtn.setOnClickListener(new View.OnClickListener() {
-                        @Override
+                    @Override
-                        public void onClick(View view) {
+                    public void onClick(View view) {
-                            selectedCurrency = spinnerText;
+                        selectedCurrency = spinnerText;
-                            currencyChecked = currencyRemember.isChecked();
-                            Vector<Vector<Float>> data = new Vector<Vector<Float>>();
-                            SharedPreferences.Editor editor = sharedPreferences.edit();
+                        SharedPreferences.Editor editor = sharedPreferences.edit();
-                            editor.putString("CURRENCY", selectedCurrency);
+                        editor.putString("CURRENCY", selectedCurrency);
-                            editor.putBoolean("CHECKBOX", currencyChecked);
-                            editor.putInt(PREF_CURRENCY_VALUE, 0);
+                        editor.putInt(PREF_CURRENCY_VALUE, position);
-                            editor.commit();
+                        editor.commit();
-                            Toast.makeText(BudgetTrackerSettingsActivity.this, "Currency Saved", Toast.LENGTH_SHORT).show();
+                        Toast.makeText(BudgetTrackerSettingsActivity.this, "Currency Saved", Toast.LENGTH_SHORT).show();
-                            Intent intent = new Intent(BudgetTrackerSettingsActivity.this, MainActivity.class);
+                        Intent intent = new Intent(BudgetTrackerSettingsActivity.this, MainActivity.class);
-                            startActivity(intent);
+                        startActivity(intent);
-                            finish();
+                        finish();
-                        }
+                    }
-                    });
+                });
-                } else if (spinnerText == "Japanese Yen") {
-                    currencyBtn.setOnClickListener(new View.OnClickListener() {
-                        @Override
-                        public void onClick(View view) {
-                            selectedCurrency = spinnerText;
-                            currencyChecked = currencyRemember.isChecked();
-                            SharedPreferences.Editor editor = sharedPreferences.edit();
-                            editor.putString("CURRENCY", selectedCurrency);
-                            editor.putBoolean("CHECKBOX", currencyChecked);
-                            editor.putInt(PREF_CURRENCY_VALUE, 1);
-                            editor.commit();
-                            Toast.makeText(BudgetTrackerSettingsActivity.this, "Currency Saved", Toast.LENGTH_SHORT).show();
-                            Intent intent = new Intent(BudgetTrackerSettingsActivity.this, MainActivity.class);
-                            startActivity(intent);
-                            finish();
-                        }
-                    });
-                } else {
-                    currencyBtn.setOnClickListener(new View.OnClickListener() {
-                        @Override
-                        public void onClick(View view) {
-                            selectedCurrency = spinnerText;
-                            currencyChecked = currencyRemember.isChecked();
-                            SharedPreferences.Editor editor = sharedPreferences.edit();
-                            editor.putString("CURRENCY", selectedCurrency);
-                            editor.putBoolean("CHECKBOX", currencyChecked);
-                            editor.putInt(PREF_CURRENCY_VALUE, 2);
-                            editor.commit();
-                            Toast.makeText(BudgetTrackerSettingsActivity.this, "Currency Saved", Toast.LENGTH_SHORT).show();
-                            Intent intent = new Intent(BudgetTrackerSettingsActivity.this, MainActivity.class);
-                            startActivity(intent);
-                            finish();
-                        }
-                    });
-                }
-                Log.d("Currency", "onCreate: " + spinnerText);
             }
             @Override
@@ -126,6 +82,7 @@
                 spinnerText = null;
             }
         });
+//        spinner.setSelection(currency.ordinal());
     }
@@ -244,17 +201,21 @@
 }
 ```
-NewBudgetTracker.java (sharedPreferences 受け取り箇所)
+HomeFragment.java (sharedPreferences 受け取り箇所)
+※上記画像（Home画面）のCurrent Currency下のtextView
-```ここに言語を入力
+```ここに言語を入力
-sharedPreferences = getSharedPreferences("CURRENCY_SHARED",0);
+sharedPreferences = getActivity().getSharedPreferences(PREF_CURRENCY_FILENAME, 0);
+        //選択された通貨の設定
+        String currentCurrency = sharedPreferences.getString("CURRENCY", "");
-        Integer selectedCurrencyNum = sharedPreferences.getInt("PREF_CURRENCY_VALUE", 0);
+        int currentCurrencyNum = sharedPreferences.getInt("PREF_CURRENCY_VALUE", 0);
+        currentCurrencyTv.setText(currentCurrency);
-        if (selectedCurrencyNum.equals(0)) {
+        if (currentCurrencyNum == 0) {
-            enterPrice.setCompoundDrawablesWithIntrinsicBounds(R.drawable.ic_money, 0, 0, 0);
+            currentCurrencyTv.setCompoundDrawablesWithIntrinsicBounds(R.drawable.ic_money, 0, 0, 0);
-        } else if (selectedCurrencyNum.equals(1)) {
+        } else if (currentCurrencyNum == 1) {
-            enterPrice.setCompoundDrawablesWithIntrinsicBounds(R.drawable.ic_yen, 0, 0, 0);
+            currentCurrencyTv.setCompoundDrawablesWithIntrinsicBounds(R.drawable.ic_yen, 0, 0, 0);
-        } else if (selectedCurrencyNum.equals(2)) {
+        } else if (currentCurrencyNum == 2) {
-            enterPrice.setCompoundDrawablesWithIntrinsicBounds(R.drawable.ic_euro, 0, 0, 0);
+            currentCurrencyTv.setCompoundDrawablesWithIntrinsicBounds(R.drawable.ic_euro, 0, 0, 0);
         }
 ```

XML Java Android

NewBudgetTrackerを追加

2022/06/10 05:43

投稿

Yakusugi

スコア123

test CHANGED Viewed

File without changes

test CHANGED Viewed

@@ -244,3 +244,17 @@
 }
 ```
+NewBudgetTracker.java (sharedPreferences 受け取り箇所)
+```ここに言語を入力
+sharedPreferences = getSharedPreferences("CURRENCY_SHARED",0);
+        Integer selectedCurrencyNum = sharedPreferences.getInt("PREF_CURRENCY_VALUE", 0);
+        if (selectedCurrencyNum.equals(0)) {
+            enterPrice.setCompoundDrawablesWithIntrinsicBounds(R.drawable.ic_money, 0, 0, 0);
+        } else if (selectedCurrencyNum.equals(1)) {
+            enterPrice.setCompoundDrawablesWithIntrinsicBounds(R.drawable.ic_yen, 0, 0, 0);
+        } else if (selectedCurrencyNum.equals(2)) {
+            enterPrice.setCompoundDrawablesWithIntrinsicBounds(R.drawable.ic_euro, 0, 0, 0);
+        }
+```

XML Java Android

Currency, CurrencySpinnerAdapterクラスを記載

2022/06/10 05:29

投稿

Yakusugi

スコア123

test CHANGED Viewed

File without changes

test CHANGED Viewed

@@ -8,6 +8,9 @@
 よろしくお願いいたします。
+追記：
+状況を細かく共有するため、新たにCurrency, CurrencySpinnerAdapterクラスを記載しました。
 図１（通貨設定画面）
 ![イメージ説明](https://ddjkaamml8q8x.cloudfront.net/questions/2022-06-05/b3ad133d-aa14-455b-aa90-d6d99317beef.png)
@@ -18,33 +21,36 @@
 ```ここに言語を入力
 package com.myproject.offlinebudgettrackerappproject;
-import android.os.Bundle;
-import android.util.Log;
+<import箇所は省略>
-import android.view.View;
-import android.widget.AdapterView;
-import android.widget.Spinner;
-import android.widget.Toast;
-import androidx.appcompat.app.AppCompatActivity;
-import com.myproject.offlinebudgettrackerappproject.adapter.CurrencySpinnerAdapter;
 public class BudgetTrackerSettingsActivity extends AppCompatActivity {
     Spinner spinner;
-    private String spinnerText;
+    public static String spinnerText;
+    CheckBox currencyRemember;
+    Button currencyBtn;
     Currency currency;
+    SharedPreferences sharedPreferences;
+    String selectedCurrency;
+    boolean currencyChecked;
+    private static final String PREF_CURRENCY_VALUE = "currencyValue";
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_budget_tracker_settings);
         Currency.initCurrencies();
         spinner = (Spinner) findViewById(R.id.currency_spinner);
+        currencyRemember = (CheckBox) findViewById(R.id.currency_check_box);
+        currencyBtn = (Button) findViewById(R.id.currency_btn);
         CurrencySpinnerAdapter currencySpinnerAdapter = new CurrencySpinnerAdapter(this, R.layout.currency_spinner_adopter,
                 Currency.getCurrencyArrayList());
         spinner.setAdapter(currencySpinnerAdapter);
+        sharedPreferences = getSharedPreferences("CURRENCY_SHARED", 0);
         spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@@ -54,10 +60,63 @@
                 spinnerText = currency.getCurrency();
                 if (spinnerText == "US Dollars") {
                     Toast.makeText(BudgetTrackerSettingsActivity.this, "US Dollars", Toast.LENGTH_SHORT).show();
+                    currencyBtn.setOnClickListener(new View.OnClickListener() {
+                        @Override
+                        public void onClick(View view) {
+                            selectedCurrency = spinnerText;
+                            currencyChecked = currencyRemember.isChecked();
+                            Vector<Vector<Float>> data = new Vector<Vector<Float>>();
+                            SharedPreferences.Editor editor = sharedPreferences.edit();
+                            editor.putString("CURRENCY", selectedCurrency);
+                            editor.putBoolean("CHECKBOX", currencyChecked);
+                            editor.putInt(PREF_CURRENCY_VALUE, 0);
+                            editor.commit();
+                            Toast.makeText(BudgetTrackerSettingsActivity.this, "Currency Saved", Toast.LENGTH_SHORT).show();
+                            Intent intent = new Intent(BudgetTrackerSettingsActivity.this, MainActivity.class);
+                            startActivity(intent);
+                            finish();
+                        }
+                    });
                 } else if (spinnerText == "Japanese Yen") {
+                    currencyBtn.setOnClickListener(new View.OnClickListener() {
+                        @Override
+                        public void onClick(View view) {
+                            selectedCurrency = spinnerText;
+                            currencyChecked = currencyRemember.isChecked();
+                            SharedPreferences.Editor editor = sharedPreferences.edit();
+                            editor.putString("CURRENCY", selectedCurrency);
+                            editor.putBoolean("CHECKBOX", currencyChecked);
+                            editor.putInt(PREF_CURRENCY_VALUE, 1);
+                            editor.commit();
-                    Toast.makeText(BudgetTrackerSettingsActivity.this, "Japanese Yen", Toast.LENGTH_SHORT).show();
+                            Toast.makeText(BudgetTrackerSettingsActivity.this, "Currency Saved", Toast.LENGTH_SHORT).show();
+                            Intent intent = new Intent(BudgetTrackerSettingsActivity.this, MainActivity.class);
+                            startActivity(intent);
+                            finish();
+                        }
+                    });
                 } else {
+                    currencyBtn.setOnClickListener(new View.OnClickListener() {
+                        @Override
+                        public void onClick(View view) {
+                            selectedCurrency = spinnerText;
+                            currencyChecked = currencyRemember.isChecked();
+                            SharedPreferences.Editor editor = sharedPreferences.edit();
+                            editor.putString("CURRENCY", selectedCurrency);
+                            editor.putBoolean("CHECKBOX", currencyChecked);
+                            editor.putInt(PREF_CURRENCY_VALUE, 2);
+                            editor.commit();
-                    Toast.makeText(BudgetTrackerSettingsActivity.this, "Euro", Toast.LENGTH_SHORT).show();
+                            Toast.makeText(BudgetTrackerSettingsActivity.this, "Currency Saved", Toast.LENGTH_SHORT).show();
+                            Intent intent = new Intent(BudgetTrackerSettingsActivity.this, MainActivity.class);
+                            startActivity(intent);
+                            finish();
+                        }
+                    });
                 }
                 Log.d("Currency", "onCreate: " + spinnerText);
             }
@@ -68,172 +127,120 @@
             }
         });
     }
 }
 ```
-activity_new_budget_tracker.xml
+Currency.java
 ```ここに言語を入力
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    tools:context=".NewBudgetTracker">
-    <ImageView
-        android:id="@+id/imageView5"
-        android:layout_width="141dp"
-        android:layout_height="180dp"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent"
-        app:srcCompat="@drawable/shopping_online" />
-    <EditText
-        android:id="@+id/enter_date"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="10dp"
-        android:ems="10"
-        android:hint="@string/new_budget_tracker_date_hint"
-        android:inputType="text"
-        android:minHeight="48dp"
-        android:focusableInTouchMode="false"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintHorizontal_bias="0.497"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/imageView5"
-        android:drawableStart="@drawable/ic_calendar"
-        android:background="@drawable/custom_input"
-        android:paddingStart="5dp"
-        android:paddingEnd="5dp"
-        android:drawablePadding="12dp"
-        tools:ignore="SpeakableTextPresentCheck,TouchTargetSizeCheck,TouchTargetSizeCheck" />
-    <EditText
-        android:id="@+id/enter_store_name"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="10dp"
-        android:ems="10"
-        android:hint="@string/new_budget_tracker_store_name_hint"
-        android:inputType="text"
-        android:minHeight="48dp"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/enter_date"
-        android:drawableStart="@drawable/ic_baseline_shopping_cart_24"
-        android:background="@drawable/custom_input"
-        android:paddingStart="5dp"
-        android:paddingEnd="5dp"
-        android:drawablePadding="12dp"
-        tools:ignore="SpeakableTextPresentCheck" />
-    <EditText
-        android:id="@+id/enter_product_name"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="10dp"
-        android:ems="10"
-        android:hint="@string/new_budget_tracker_product_name_hint"
-        android:inputType="text"
-        android:minHeight="48dp"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/enter_store_name"
-        android:drawableStart="@drawable/ic_product"
-        android:background="@drawable/custom_input"
-        android:paddingStart="5dp"
-        android:paddingEnd="5dp"
-        android:drawablePadding="12dp"
-        tools:ignore="SpeakableTextPresentCheck" />
-    <EditText
-        android:id="@+id/enter_product_type"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="10dp"
-        android:ems="10"
-        android:hint="@string/new_budget_tracker_product_type_hint"
-        android:inputType="text"
-        android:minHeight="48dp"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/enter_product_name"
-        android:drawableStart="@drawable/ic_category"
-        android:background="@drawable/custom_input"
-        android:paddingStart="5dp"
-        android:paddingEnd="5dp"
-        android:drawablePadding="12dp"
-        tools:ignore="SpeakableTextPresentCheck" />
-    <EditText
-        android:id="@+id/enter_price"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="10dp"
-        android:ems="10"
-        android:hint="@string/new_budget_tracker_price_hint"
-        android:inputType="number"
-        android:minHeight="48dp"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/enter_product_type"
-        android:drawableStart="@drawable/ic_money"
-        android:background="@drawable/custom_input"
-        android:paddingEnd="5dp"
-        android:drawablePadding="12dp"
-        tools:ignore="SpeakableTextPresentCheck" />
-    <Spinner
-        android:id="@+id/budget_tracker_spinner"
-        android:layout_width="210dp"
-        android:layout_height="50dp"
-        android:gravity="center"
-        android:minHeight="48dp"
-        android:layout_marginTop="10dp"
-        android:spinnerMode="dialog"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/enter_price"
-        tools:ignore="MissingConstraints,SpeakableTextPresentCheck" />
-    <Button
-        android:id="@+id/saveIndoButton"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="28dp"
-        android:text="Save"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        android:background="@drawable/rounded_corner"
-        app:layout_constraintTop_toBottomOf="@+id/budget_tracker_spinner" />
-    <Button
-        android:id="@+id/delete_btn"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="16dp"
-        android:text="Delete"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintHorizontal_bias="0.5"
-        app:layout_constraintStart_toEndOf="@+id/update_btn"
-        android:background="@drawable/rounded_corner"
-        app:layout_constraintTop_toBottomOf="@+id/saveIndoButton" />
-    <Button
-        android:id="@+id/update_btn"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="16dp"
-        android:text="Update"
-        app:layout_constraintEnd_toStartOf="@+id/delete_btn"
-        app:layout_constraintHorizontal_bias="0.5"
-        app:layout_constraintStart_toStartOf="parent"
-        android:background="@drawable/rounded_corner"
-        app:layout_constraintTop_toBottomOf="@+id/saveIndoButton" />
-</androidx.constraintlayout.widget.ConstraintLayout>
+package com.myproject.offlinebudgettrackerappproject;
+<import箇所は省略>
+public class Currency {
+    private static ArrayList<Currency> currencyArrayList = new ArrayList<>();
+    private String id;
+    private String currency;
+    public Currency(String id, String currency) {
+        this.id = id;
+        this.currency = currency;
+    }
+    public Currency() {
+    }
+    public String getId() {
+        return id;
+    }
+    public void setId(String id) {
+        this.id = id;
+    }
+    public String getCurrency() {
+        return currency;
+    }
+    public void setCurrency(String currency) {
+        this.currency = currency;
+    }
+    public static void initCurrencies() {
+        Currency usd = new Currency("0", "US Dollars");
+        currencyArrayList.add(usd);
+        Currency jpy = new Currency("1", "Japanese Yen");
+        currencyArrayList.add(jpy);
+        Currency euro = new Currency("2", "Euro");
+        currencyArrayList.add(euro);
+    }
+    public int getCurrencyImage() {
+        switch (getId()) {
+            case "0":
+                return R.drawable.ic_money;
+            case "1":
+                return R.drawable.ic_yen;
+            case "2":
+                return R.drawable.ic_euro;
+        }
+        return R.drawable.ic_money;
+    }
+    public static ArrayList<Currency> getCurrencyArrayList() {
+        return currencyArrayList;
+    }
+}
 ```
+CurrencySpinnerAdapter.java
+```ここに言語を入力
+package com.myproject.offlinebudgettrackerappproject.adapter;
+<import箇所は省略>
+public class CurrencySpinnerAdapter extends ArrayAdapter<Currency> {
+    LayoutInflater layoutInflater;
+    public CurrencySpinnerAdapter(@NonNull Context context, int resource, @NonNull List<Currency> currencies) {
+        super(context, resource, currencies);
+        layoutInflater = LayoutInflater.from(context);
+    }
+    @NonNull
+    @Override
+    public View getView(int position, @Nullable View convertView, @NonNull ViewGroup parent) {
+        View rowView = layoutInflater.inflate(R.layout.currency_spinner_adopter, null, true);
+        Currency currency = getItem(position);
+        TextView textView = (TextView) rowView.findViewById(R.id.currency_name_textview);
+        ImageView imageView = (ImageView) rowView.findViewById(R.id.currency_symbol);
+        textView.setText(currency.getCurrency());
+        imageView.setImageResource(currency.getCurrencyImage());
+        return rowView;
+    }
+    @Override
+    public View getDropDownView(int position, @Nullable View convertView, @NonNull ViewGroup parent) {
+        if (convertView == null) {
+            convertView = layoutInflater.inflate(R.layout.currency_spinner_adopter, parent, false);
+        }
+        Currency currency = getItem(position);
+        TextView textView = (TextView) convertView.findViewById(R.id.currency_name_textview);
+        ImageView imageView = (ImageView) convertView.findViewById(R.id.currency_symbol);
+        textView.setText(currency.getCurrency());
+        imageView.setImageResource(currency.getCurrencyImage());
+        return convertView;
+    }
+}
+```

XML Java Android

不可解な部分を修正

2022/06/05 13:30

投稿

Yakusugi

スコア123

test CHANGED Viewed

File without changes

test CHANGED Viewed

@@ -2,7 +2,7 @@
 下記スクショの通り、Spinnerを使って米ドル、日本円、ユーロから通貨を選べるようにしています。
 ここでやりたいことは、上記Spinnerで選んだ通貨のシンボルでアプリ上の全ての金額に関わる部分に反映させることです。（例えば、ユーロであれば€のシンボルに）。
-下記スクショの例では、図1の通貨設定画面で、例えばJapanse Yenを選んだ場合、図２（購入商品入力画面）のEnter PriceのEditTextに設定した＄シンボルを円シンボルに変更するような仕様にしたいです。
+下記スクショの例では、図1の通貨設定画面で、例えばEuroを選んだ場合、図２（購入商品入力画面）のEnter PriceのEditTextにデフォルトで設定されている＄シンボルを€シンボルに変更するような仕様にしたいです。
 通貨設定画面はBudgetTrackerSettingsActivity、購入商品入力画面NewBudgetTrackerと、それぞれ別々のActivityとなるので、BudgetTrackerSettingsActivityで設定した内容を、どのようにNewBudgetTracker含め、別のActivitやクラスに対して反映させるのか、ヒントがあればご教示ください。

XML Java Android

誤字脱字を改修

2022/06/05 13:29

投稿

Yakusugi

スコア123

test CHANGED Viewed

File without changes

test CHANGED Viewed

@@ -1,8 +1,8 @@
 Androidの家計簿アプリをJavaで作成しています。
 下記スクショの通り、Spinnerを使って米ドル、日本円、ユーロから通貨を選べるようにしています。
-ここでやりたいことは、上記Spinnerで選んだ通貨のシンボルをでアプリ上の全ての金額に関わる部分に反映させることです。（例えば、ユーロであれば€のシンボルに）。
+ここでやりたいことは、上記Spinnerで選んだ通貨のシンボルでアプリ上の全ての金額に関わる部分に反映させることです。（例えば、ユーロであれば€のシンボルに）。
-下記スクショの例では、図1の通貨設定画面で、例えばJapanse Yenを選んだ場合、図２（購入商品入力画面）のEnter PriceのEditTextに設定した＄シンボルを\シンボルに変更するような仕様にしたいです。
+下記スクショの例では、図1の通貨設定画面で、例えばJapanse Yenを選んだ場合、図２（購入商品入力画面）のEnter PriceのEditTextに設定した＄シンボルを円シンボルに変更するような仕様にしたいです。
 通貨設定画面はBudgetTrackerSettingsActivity、購入商品入力画面NewBudgetTrackerと、それぞれ別々のActivityとなるので、BudgetTrackerSettingsActivityで設定した内容を、どのようにNewBudgetTracker含め、別のActivitやクラスに対して反映させるのか、ヒントがあればご教示ください。

XML Java Android