style: 电量数字移回电池图标外部

电池内部只保留充电时的 ⚡ 闪电符号
数字在电池左侧显示（16sp 加粗，颜色跟随状态）
电池图标恢复 28×13 正常尺寸

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

app/src/main/java/com/xiaoqu/watch/ui/widget/StatusBarView.kt

@@ -50,6 +50,7 @@ class StatusBarView @JvmOverloads constructor(
         // ===== 右侧：电池图标（固定位置）+ 电量百分比（电池左侧） =====
         val batteryStartX = width - 50f
         drawBattery(canvas, batteryStartX, centerY)
+        drawBatteryText(canvas, batteryStartX - 4f, centerY)
     }
 
     /** 绘制蓝牙状态圆点 */
@@ -89,8 +90,8 @@ class StatusBarView @JvmOverloads constructor(
 
     /** 绘制电池图标（壳 + 填充条 + 凸起 + 内部文字/闪电） */
     private fun drawBattery(canvas: Canvas, startX: Float, centerY: Float) {
-        val shellW = 38f
-        val shellH = 16f
+        val shellW = 28f
+        val shellH = 13f
         val shellTop = centerY - shellH / 2
         val cornerR = 4f
 
@@ -115,25 +116,16 @@ class StatusBarView @JvmOverloads constructor(
         )
         canvas.drawRoundRect(fillRect, 2f, 2f, paint)
 
-        // 电池内部文字：充电时显示 ⚡，否则显示百分比
-        // 白色文字 + 黑色描边，在填充条和黑色背景上都清晰
-        if (batteryLevel >= 0) {
-            val text = if (isCharging) "⚡" else "${batteryLevel}"
+        // 充电时在电池内部画闪电
+        if (isCharging) {
+            paint.style = Paint.Style.FILL
+            paint.color = 0xFFFFFFFF.toInt()
             paint.textSize = 11f
             paint.textAlign = Paint.Align.CENTER
             paint.typeface = android.graphics.Typeface.DEFAULT_BOLD
             val metrics = paint.fontMetrics
             val baselineY = centerY - (metrics.ascent + metrics.descent) / 2
-            val cx = startX + shellW / 2
-            // 先画黑色描边（让白字在绿色填充上有边界）
-            paint.style = Paint.Style.STROKE
-            paint.strokeWidth = 2.5f
-            paint.color = 0xFF000000.toInt()
-            canvas.drawText(text, cx, baselineY, paint)
-            // 再画白色填充
-            paint.style = Paint.Style.FILL
-            paint.color = 0xFFFFFFFF.toInt()
-            canvas.drawText(text, cx, baselineY, paint)
+            canvas.drawText("⚡", startX + shellW / 2, baselineY, paint)
             paint.textAlign = Paint.Align.LEFT
             paint.typeface = android.graphics.Typeface.DEFAULT
         }
@@ -151,9 +143,20 @@ class StatusBarView @JvmOverloads constructor(
         canvas.drawRoundRect(nubRect, 1.5f, 1.5f, paint)
     }
 
-    /** 不再单独绘制电量文字（已合入电池图标内部） */
+    /** 绘制电量百分比（电池图标左侧） */
     private fun drawBatteryText(canvas: Canvas, rightEdge: Float, centerY: Float) {
-        // 电量数字已显示在电池内部，无需额外文字
+        if (batteryLevel < 0) return
+        val text = "${batteryLevel}%"
+        paint.style = Paint.Style.FILL
+        paint.color = getBatteryColor()
+        paint.textSize = 16f
+        paint.textAlign = Paint.Align.RIGHT
+        paint.typeface = android.graphics.Typeface.DEFAULT_BOLD
+        val metrics = paint.fontMetrics
+        val baselineY = centerY - (metrics.ascent + metrics.descent) / 2
+        canvas.drawText(text, rightEdge, baselineY, paint)
+        paint.textAlign = Paint.Align.LEFT
+        paint.typeface = android.graphics.Typeface.DEFAULT
     }
 
     // ===== 更新方法 =====