营养数据计算优化；人脸增加数据处理;其它优化；

app/src/main/java/com/sw/dualscreen/utils/RemoveZeroUtils.kt

@@ -0,0 +1,66 @@
+package com.sw.dualscreen.utils
+
+import java.math.RoundingMode
+import java.text.DecimalFormat
+import kotlin.text.contains
+import kotlin.text.format
+import kotlin.text.replace
+
+/**
+ * 去除小数点后无效零的工具类
+ * 功能示例：
+ * 1230.00 => 1230
+ * 1230.10 => 1230.1
+ * 3.40 => 3.4
+ * 3.0 => 3
+ */
+class RemoveZeroUtils {
+    
+    companion object {
+        
+        /**
+         * 方法1：使用字符串格式化（最简单）
+         * @param number 输入的double数值
+         * @return 去除无效零后的字符串
+         */
+        fun removeZeroByFormat(number: Double): String {
+            return "%.10f".format(number) // 先格式化为固定小数位
+                .replace(Regex("0*$"), "") // 移除末尾的零
+                .replace(Regex("\\.$"), "") // 如果小数点后全为零，移除小数点
+        }
+        
+        /**
+         * 方法2：使用DecimalFormat（推荐）
+         * @param number 输入的double数值
+         * @return 去除无效零后的字符串
+         */
+        fun removeZeroByDecimalFormat(number: Double): String {
+            val format = DecimalFormat("0.##########")
+            format.roundingMode = RoundingMode.FLOOR
+            return format.format(number)
+        }
+        
+        /**
+         * 方法3：使用正则表达式处理字符串
+         * @param number 输入的double数值
+         * @return 去除无效零后的字符串
+         */
+        fun removeZeroByRegex(number: Double): String {
+            var str = number.toString()
+            
+            // 如果包含小数点，处理末尾的零
+            if (str.contains(".")) {
+                str = str.replace(Regex("0+?$"), "") // 移除末尾的零
+                .replace(Regex("[.]$"), "") // 如果小数点后全为零，移除小数点
+            }
+            
+            return str
+        }
+    }
+}
+
+// 扩展函数方式，更符合Kotlin风格
+fun Double?.removeTrailingZeros(): String {
+    if (this == null) return ""
+    return RemoveZeroUtils.removeZeroByDecimalFormat(this)
+}

app/src/main/java/com/sw/dualscreen/utils/SpTool.java

@@ -0,0 +1,19 @@
+package com.sw.dualscreen.utils;
+
+import com.sw.dualscreen.MyApp;
+
+public class SpTool {
+
+    public static final String LAST_FACE_TIMESTAMP = "faceTimestamp";
+
+    public static long getLastFaceTimestamp() {
+        return SPUtil.Companion.getInstance(MyApp.getContext(), "default_sp").get(LAST_FACE_TIMESTAMP, 0L);
+    }
+
+    public static void setLastFaceTimestamp(long timestamp) {
+        SPUtil.Companion.getInstance(MyApp.getContext(), "default_sp").put(LAST_FACE_TIMESTAMP, timestamp);
+    }
+
+
+
+}

app/src/main/java/com/sw/dualscreen/utils/StorageUtils.kt

@@ -9,21 +9,21 @@ object StorageUtils {
         activity.requestSinglePermissionResult(Manifest.permission.WRITE_EXTERNAL_STORAGE) {
             callback()
         }
-//        activity.requestSinglePermissionResult(Manifest.permission.CAMERA) {
-////            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
-////                if (Environment.isExternalStorageManager()) {
-////                    callback()
-////                } else {
-////                    val intent = Intent(Settings.ACTION_MANAGE_ALL_FILES_ACCESS_PERMISSION)
-//////                activity.startActivityForResult(intent, MANAGE_REQUEST_CODE)
-////                    activity.launchActivityResult(intent) {
-////                        callback()
-////                    }
-////                }
-////            } else {
-//
-////            }
-//        }
+        activity.requestSinglePermissionResult(Manifest.permission.CAMERA) {
+//            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+//                if (Environment.isExternalStorageManager()) {
+//                    callback()
+//                } else {
+//                    val intent = Intent(Settings.ACTION_MANAGE_ALL_FILES_ACCESS_PERMISSION)
+////                activity.startActivityForResult(intent, MANAGE_REQUEST_CODE)
+//                    activity.launchActivityResult(intent) {
+//                        callback()
+//                    }
+//                }
+//            } else {
+
+//            }
+        }
     }
 
     fun requestCameraPermission(activity: BaseActivity<*>, callback: () -> Unit) {