Update v7.3

Author: YangDai2003

README.md

@@ -105,6 +105,9 @@ It integrates multiple practical functions to provide you with all calculation a
 13. Mathematical statistics:
     - Given multiple values entered, the greatest common divisor, least common multiple, arithmetic mean, geometric mean, harmonic mean, square mean, variance, standard deviation, and sum are given.
 
+14. Ruler：
+    - Measure small objects using on-screen scales, supports both inch and centimeter units.
+
 *** Also provides a variety of widgets for simple calculations without opening the software.
 
 *** Also provides floating window function.

README_zh.md

@@ -100,11 +100,14 @@
     - 轻松求解线性方程和一元二次方程。
 
 12. 购物助手：
-    -   快速计算折扣和单价。
+    - 快速计算折扣和单价。
 
 13. 数学统计：
     - 根据输入的多个数值，给出最大公约数、最小公倍数、算术平均数、几何平均数、调和平均数、平方平均数、方差、标准差和总和。
 
+14. 刻度尺：
+   - 通过屏幕上的刻度，测量小物件的长度，支持英寸和厘米两种单位。
+
 *** 还提供多种桌面小部件，无需打开软件即可进行简单运算。
 
 *** 同时提供了悬浮窗功能，在任意位置进行计算。

app/build.gradle

@@ -13,9 +13,12 @@ android {
         applicationId "com.yangdai.calc"
         minSdk 28
         targetSdk 35
-        versionCode 62
-        versionName '7.2'
-        resourceConfigurations += ["en", "zh", "de"]
+        versionCode 63
+        versionName '7.3'
+    }
+
+    androidResources {
+        generateLocaleConfig true
     }
 
     buildTypes {

app/src/main/AndroidManifest.xml

@@ -8,8 +8,7 @@
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />
-    <uses-permission android:name="android.permission.SYSTEM_OVERLAY_WINDOW" />
-    <!-- 适配android 11无法唤起第三方apk -->
+    <uses-permission android:name="android.permission.SYSTEM_OVERLAY_WINDOW" /> <!-- 适配android 11无法唤起第三方apk -->
     <uses-permission android:name="com.google.android.gms.permission.AD_ID" />
 
     <queries>
@@ -34,12 +33,16 @@
         android:hardwareAccelerated="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
-        android:localeConfig="@xml/locales_config"
         android:resizeableActivity="true"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme"
         tools:targetApi="tiramisu">
+        <activity
+            android:name=".main.toolbox.functions.ruler.RulerActivity"
+            android:exported="false"
+            android:label="@string/ruler"
+            android:parentActivityName=".main.MainActivity" />
         <activity
             android:name=".main.toolbox.functions.programmer.ProgrammerActivity"
             android:exported="false"

app/src/main/java/com/yangdai/calc/main/MainActivity.java

@@ -15,10 +15,14 @@
 import android.widget.ImageView;
 import android.widget.Toast;
 
+import androidx.activity.EdgeToEdge;
 import androidx.activity.result.ActivityResultLauncher;
 import androidx.activity.result.contract.ActivityResultContracts;
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.graphics.Insets;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.WindowInsetsCompat;
 import androidx.fragment.app.Fragment;
 import androidx.preference.PreferenceManager;
 import androidx.recyclerview.widget.RecyclerView;
@@ -142,8 +146,13 @@ private void requestOverlayDisplayPermission() {
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        getWindow().setStatusBarColor(SurfaceColors.SURFACE_0.getColor(this));
+        EdgeToEdge.enable(this);
         setContentView(R.layout.activity_main);
+        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main), (v, insets) -> {
+            Insets systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars());
+            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom);
+            return insets;
+        });
 
         defaultSharedPrefs = PreferenceManager.getDefaultSharedPreferences(this);
         defaultSharedPrefs.registerOnSharedPreferenceChangeListener(this);

app/src/main/java/com/yangdai/calc/main/toolbox/ToolBoxFragment.java

@@ -22,6 +22,7 @@
 import com.yangdai.calc.main.toolbox.functions.bmi.BMIActivity;
 import com.yangdai.calc.main.toolbox.functions.chinese.ChineseNumberConversionActivity;
 import com.yangdai.calc.main.toolbox.functions.programmer.ProgrammerActivity;
+import com.yangdai.calc.main.toolbox.functions.ruler.RulerActivity;
 import com.yangdai.calc.main.toolbox.functions.shopping.ShoppingActivity;
 import com.yangdai.calc.main.toolbox.functions.algebra.StatisticsActivity;
 import com.yangdai.calc.R;
@@ -48,22 +49,7 @@ public class ToolBoxFragment extends Fragment {
     ToolBoxAdapter adapter;
     private List<ToolBoxItem> newData;
     private List<ToolBoxItem> data;
-    private static final String ORDER = "0/1/2/3/4/5/6/7/8/9/10/11/12/13";
     boolean isGrid;
-    private static final int UNIT_ACTIVITY_ID = 0;
-    private static final int DATE_RANGE_ACTIVITY_ID = 1;
-    private static final int FINANCE_ACTIVITY_ID = 2;
-    private static final int COMPASS_ACTIVITY_ID = 3;
-    private static final int BMI_ACTIVITY_ID = 4;
-    private static final int SHOPPING_ACTIVITY_ID = 5;
-    private static final int CURRENCY_ACTIVITY_ID = 6;
-    private static final int CHINESE_NUMBER_CONVERSION_ACTIVITY_ID = 7;
-    private static final int RELATIONSHIP_ACTIVITY_ID = 8;
-    private static final int RANDOM_ACTIVITY_ID = 9;
-    private static final int FUNCTION_ACTIVITY_ID = 10;
-    private static final int STATISTICS_ACTIVITY_ID = 11;
-    private static final int FRACTION_ACTIVITY_ID = 12;
-    private static final int PROGRAMMER_ACTIVITY_ID = 13;
 
     public ToolBoxFragment() {
     }
@@ -77,20 +63,21 @@ public void onCreate(@Nullable Bundle savedInstanceState) {
     @SuppressLint("UseCompatLoadingForDrawables")
     private List<ToolBoxItem> createToolBoxItems() {
         List<ToolBoxItem> items = new ArrayList<>();
-        items.add(new ToolBoxItem(UNIT_ACTIVITY_ID, getString(R.string.UnitsActivity), getResources().getDrawable(R.drawable.unit_icon, requireContext().getTheme())));
-        items.add(new ToolBoxItem(DATE_RANGE_ACTIVITY_ID, getString(R.string.dateActivity), getResources().getDrawable(R.drawable.date_range_icon, requireContext().getTheme())));
-        items.add(new ToolBoxItem(FINANCE_ACTIVITY_ID, getString(R.string.financeActivity), getResources().getDrawable(R.drawable.finance_icon, requireContext().getTheme())));
-        items.add(new ToolBoxItem(COMPASS_ACTIVITY_ID, getString(R.string.compassActivity), getResources().getDrawable(R.drawable.compass_icon, requireContext().getTheme())));
-        items.add(new ToolBoxItem(BMI_ACTIVITY_ID, getString(R.string.bmiActivity), getResources().getDrawable(R.drawable.bmi_icon, requireContext().getTheme())));
-        items.add(new ToolBoxItem(SHOPPING_ACTIVITY_ID, getString(R.string.shoppingActivity), getResources().getDrawable(R.drawable.shopping_icon, requireContext().getTheme())));
-        items.add(new ToolBoxItem(CURRENCY_ACTIVITY_ID, getString(R.string.exchangeActivity), getResources().getDrawable(R.drawable.currency_exchange_icon, requireContext().getTheme())));
-        items.add(new ToolBoxItem(CHINESE_NUMBER_CONVERSION_ACTIVITY_ID, getString(R.string.chineseNumberConverter), getResources().getDrawable(R.drawable.chinese_number_icon, requireContext().getTheme())));
-        items.add(new ToolBoxItem(RELATIONSHIP_ACTIVITY_ID, getString(R.string.relationshipActivity), getResources().getDrawable(R.drawable.relation_icon, requireContext().getTheme())));
-        items.add(new ToolBoxItem(RANDOM_ACTIVITY_ID, getString(R.string.randomActivity), getResources().getDrawable(R.drawable.random_number_icon, requireContext().getTheme())));
-        items.add(new ToolBoxItem(FUNCTION_ACTIVITY_ID, getString(R.string.EquationActivity), getResources().getDrawable(R.drawable.functions_icon, requireContext().getTheme())));
-        items.add(new ToolBoxItem(STATISTICS_ACTIVITY_ID, getString(R.string.statisticActivity), getResources().getDrawable(R.drawable.statistics_icon, requireContext().getTheme())));
-        items.add(new ToolBoxItem(FRACTION_ACTIVITY_ID, getString(R.string.numberConvert), getResources().getDrawable(R.drawable.fraction, requireContext().getTheme())));
-        items.add(new ToolBoxItem(PROGRAMMER_ACTIVITY_ID, getString(R.string.programmer), getResources().getDrawable(R.drawable.binary_icon, requireContext().getTheme())));
+        items.add(new ToolBoxItem(Constants.UNIT_ACTIVITY_ID, getString(R.string.UnitsActivity), getResources().getDrawable(R.drawable.unit_icon, requireContext().getTheme())));
+        items.add(new ToolBoxItem(Constants.DATE_RANGE_ACTIVITY_ID, getString(R.string.dateActivity), getResources().getDrawable(R.drawable.date_range_icon, requireContext().getTheme())));
+        items.add(new ToolBoxItem(Constants.FINANCE_ACTIVITY_ID, getString(R.string.financeActivity), getResources().getDrawable(R.drawable.finance_icon, requireContext().getTheme())));
+        items.add(new ToolBoxItem(Constants.COMPASS_ACTIVITY_ID, getString(R.string.compassActivity), getResources().getDrawable(R.drawable.compass_icon, requireContext().getTheme())));
+        items.add(new ToolBoxItem(Constants.BMI_ACTIVITY_ID, getString(R.string.bmiActivity), getResources().getDrawable(R.drawable.bmi_icon, requireContext().getTheme())));
+        items.add(new ToolBoxItem(Constants.SHOPPING_ACTIVITY_ID, getString(R.string.shoppingActivity), getResources().getDrawable(R.drawable.shopping_icon, requireContext().getTheme())));
+        items.add(new ToolBoxItem(Constants.CURRENCY_ACTIVITY_ID, getString(R.string.exchangeActivity), getResources().getDrawable(R.drawable.currency_exchange_icon, requireContext().getTheme())));
+        items.add(new ToolBoxItem(Constants.CHINESE_NUMBER_CONVERSION_ACTIVITY_ID, getString(R.string.chineseNumberConverter), getResources().getDrawable(R.drawable.chinese_number_icon, requireContext().getTheme())));
+        items.add(new ToolBoxItem(Constants.RELATIONSHIP_ACTIVITY_ID, getString(R.string.relationshipActivity), getResources().getDrawable(R.drawable.relation_icon, requireContext().getTheme())));
+        items.add(new ToolBoxItem(Constants.RANDOM_ACTIVITY_ID, getString(R.string.randomActivity), getResources().getDrawable(R.drawable.random_number_icon, requireContext().getTheme())));
+        items.add(new ToolBoxItem(Constants.FUNCTION_ACTIVITY_ID, getString(R.string.EquationActivity), getResources().getDrawable(R.drawable.functions_icon, requireContext().getTheme())));
+        items.add(new ToolBoxItem(Constants.STATISTICS_ACTIVITY_ID, getString(R.string.statisticActivity), getResources().getDrawable(R.drawable.statistics_icon, requireContext().getTheme())));
+        items.add(new ToolBoxItem(Constants.FRACTION_ACTIVITY_ID, getString(R.string.numberConvert), getResources().getDrawable(R.drawable.fraction, requireContext().getTheme())));
+        items.add(new ToolBoxItem(Constants.PROGRAMMER_ACTIVITY_ID, getString(R.string.programmer), getResources().getDrawable(R.drawable.binary_icon, requireContext().getTheme())));
+        items.add(new ToolBoxItem(Constants.RULER_ACTIVITY_ID, getString(R.string.ruler), getResources().getDrawable(R.drawable.ruler_icon, requireContext().getTheme())));
         return items;
     }
 
@@ -114,7 +101,7 @@ public void onViewCreated(@NonNull View notes, @Nullable Bundle savedInstanceSta
             isGrid = bundle.getBoolean("GridLayout", true);
             updateRecycleView(isGrid);
         });
-        String order = sharedPreferences.getString("order", ORDER);
+        String order = sharedPreferences.getString("order", Constants.ORDER);
         List<String> orderList = new ArrayList<>(Arrays.asList(order.split("/")));
         if (orderList.size() < data.size()) {
             int oLength = orderList.size();
@@ -126,9 +113,9 @@ public void onViewCreated(@NonNull View notes, @Nullable Bundle savedInstanceSta
             editor.putString("order", orderString);
             editor.apply();
         } else if (orderList.size() > data.size()) {
-            orderList = new ArrayList<>(Arrays.asList(ORDER.split("/")));
+            orderList = new ArrayList<>(Arrays.asList(Constants.ORDER.split("/")));
             SharedPreferences.Editor editor = sharedPreferences.edit();
-            editor.putString("order", ORDER);
+            editor.putString("order", Constants.ORDER);
             editor.apply();
         }
 
@@ -181,42 +168,65 @@ public void onSwiped(@NonNull RecyclerView.ViewHolder viewHolder, int direction)
         };
     }
 
-
     private void updateRecycleView(boolean isGrid) {
-        adapter = new ToolBoxAdapter(newData, isGrid, (item) -> {
-            int itemId = item.id();
-            switch (itemId) {
-                case UNIT_ACTIVITY_ID ->
-                        startActivity(new Intent(getContext(), UnitActivity.class));
-                case DATE_RANGE_ACTIVITY_ID ->
-                        startActivity(new Intent(getContext(), DateRangeActivity.class));
-                case FINANCE_ACTIVITY_ID ->
-                        startActivity(new Intent(getContext(), FinanceActivity.class));
-                case COMPASS_ACTIVITY_ID -> startActivity(new Intent(getContext(), Compass.class));
-                case BMI_ACTIVITY_ID -> startActivity(new Intent(getContext(), BMIActivity.class));
-                case SHOPPING_ACTIVITY_ID ->
-                        startActivity(new Intent(getContext(), ShoppingActivity.class));
-                case CURRENCY_ACTIVITY_ID ->
-                        startActivity(new Intent(getContext(), CurrencyActivity.class));
-                case CHINESE_NUMBER_CONVERSION_ACTIVITY_ID ->
-                        startActivity(new Intent(getContext(), ChineseNumberConversionActivity.class));
-                case RELATIONSHIP_ACTIVITY_ID ->
-                        startActivity(new Intent(getContext(), RelationshipActivity.class));
-                case RANDOM_ACTIVITY_ID ->
-                        startActivity(new Intent(getContext(), RandomNumberActivity.class));
-                case FUNCTION_ACTIVITY_ID ->
-                        startActivity(new Intent(getContext(), EquationActivity.class));
-                case STATISTICS_ACTIVITY_ID ->
-                        startActivity(new Intent(getContext(), StatisticsActivity.class));
-                case FRACTION_ACTIVITY_ID ->
-                        startActivity(new Intent(getContext(), FractionActivity.class));
-                case PROGRAMMER_ACTIVITY_ID ->
-                        startActivity(new Intent(getContext(), ProgrammerActivity.class));
-                default -> {
-                }
-            }
-        });
+        adapter = new ToolBoxAdapter(newData, isGrid, this::startActivityById);
         recyclerView.setLayoutManager(isGrid ? new GridLayoutManager(getContext(), 3) : new LinearLayoutManager(getContext()));
         recyclerView.setAdapter(adapter);
     }
+
+    private void startActivityById(ToolBoxItem item) {
+        Intent intent = null;
+        switch (item.id()) {
+            case Constants.UNIT_ACTIVITY_ID ->
+                    intent = new Intent(getContext(), UnitActivity.class);
+            case Constants.DATE_RANGE_ACTIVITY_ID ->
+                    intent = new Intent(getContext(), DateRangeActivity.class);
+            case Constants.FINANCE_ACTIVITY_ID ->
+                    intent = new Intent(getContext(), FinanceActivity.class);
+            case Constants.COMPASS_ACTIVITY_ID -> intent = new Intent(getContext(), Compass.class);
+            case Constants.BMI_ACTIVITY_ID -> intent = new Intent(getContext(), BMIActivity.class);
+            case Constants.SHOPPING_ACTIVITY_ID ->
+                    intent = new Intent(getContext(), ShoppingActivity.class);
+            case Constants.CURRENCY_ACTIVITY_ID ->
+                    intent = new Intent(getContext(), CurrencyActivity.class);
+            case Constants.CHINESE_NUMBER_CONVERSION_ACTIVITY_ID ->
+                    intent = new Intent(getContext(), ChineseNumberConversionActivity.class);
+            case Constants.RELATIONSHIP_ACTIVITY_ID ->
+                    intent = new Intent(getContext(), RelationshipActivity.class);
+            case Constants.RANDOM_ACTIVITY_ID ->
+                    intent = new Intent(getContext(), RandomNumberActivity.class);
+            case Constants.FUNCTION_ACTIVITY_ID ->
+                    intent = new Intent(getContext(), EquationActivity.class);
+            case Constants.STATISTICS_ACTIVITY_ID ->
+                    intent = new Intent(getContext(), StatisticsActivity.class);
+            case Constants.FRACTION_ACTIVITY_ID ->
+                    intent = new Intent(getContext(), FractionActivity.class);
+            case Constants.PROGRAMMER_ACTIVITY_ID ->
+                    intent = new Intent(getContext(), ProgrammerActivity.class);
+            case Constants.RULER_ACTIVITY_ID ->
+                    intent = new Intent(getContext(), RulerActivity.class);
+        }
+        if (intent != null) {
+            startActivity(intent);
+        }
+    }
+
+    private static class Constants {
+        public static final String ORDER = "0/1/2/3/4/5/6/7/8/9/10/11/12/13/14";
+        public static final int UNIT_ACTIVITY_ID = 0;
+        public static final int DATE_RANGE_ACTIVITY_ID = 1;
+        public static final int FINANCE_ACTIVITY_ID = 2;
+        public static final int COMPASS_ACTIVITY_ID = 3;
+        public static final int BMI_ACTIVITY_ID = 4;
+        public static final int SHOPPING_ACTIVITY_ID = 5;
+        public static final int CURRENCY_ACTIVITY_ID = 6;
+        public static final int CHINESE_NUMBER_CONVERSION_ACTIVITY_ID = 7;
+        public static final int RELATIONSHIP_ACTIVITY_ID = 8;
+        public static final int RANDOM_ACTIVITY_ID = 9;
+        public static final int FUNCTION_ACTIVITY_ID = 10;
+        public static final int STATISTICS_ACTIVITY_ID = 11;
+        public static final int FRACTION_ACTIVITY_ID = 12;
+        public static final int PROGRAMMER_ACTIVITY_ID = 13;
+        public static final int RULER_ACTIVITY_ID = 14;
+    }
 }