feat: 深度完善 — 存根转真实实现、UI类方法补全、Java集合/IO增强

存根转真实实现:
- ContentResolver: query/insert/update/delete对file://URI真实文件操作, getType用mimetypes
- Context: getResources/getAssets/getString/getColor 委托真实Resources
- Bitmap.sameAs: PIL像素比对
- Canvas: quickReject/drawTextOnPath/drawPicture/drawDoubleRoundRect 真实实现
- Paint: measureText/breakText/getTextWidths/getFontMetrics/getTextBounds 用PIL字体
- PathMeasure: 真实路径展平/长度计算/坐标切线提取
- Path.op/Region.op: 布尔运算
- Camera: 3D变换矩阵计算
- SystemClock.setCurrentTimeMillis: date -s命令
- Environment.isExternalStorageRemovable: /proc/mounts检查
- Process.myUid: os.getuid()
- PowerManager.isPowerSaveMode: CPU governor检查
- Vibrator: Linux LED振动器设备支持
- FileObserver: 轮询线程检测文件变化
- SensorManager.getRotationMatrix: 完整旋转矩阵算法
- BatteryManager: LinuxPower真实电池数据
- Geocoder: Nominatim API逆地理编码
- LocationManager: addProximityAlert/setTestProviderLocation

UI类方法补全:
- TextView: setPaddingRelative/getTextColor/setBreakStrategy/setJustificationMode
- ImageView: setColorFilter/getColorFilter/clearColorFilter
- CheckBox/Switch: setOnCheckedChangeListener
- ListView: clearChoices
- ViewGroup: setLayoutTransition/setTouchscreenBlocksFocus/getChildVisibleRect
- MotionEvent: getHistoricalX/Y/Pressure/EventTime/addBatch/getEdgeFlags/setAction

Java集合增强:
- ArrayList: spliterator/stream
- HashSet: spliterator/stream/removeIf
- TreeMap: replaceAll/compute/computeIfAbsent/computeIfPresent/merge
- LinkedHashMap: clone (保留access_order)
- PriorityQueue: spliterator/clone

Java IO增强:
- BufferedWriter: append/check
- PrintWriter: append
- ByteArrayOutputStream: writeTo
- ByteArrayInputStream: markSupported
- BufferedInputStream: available/mark/reset/markSupported + 修复_fill缓冲区填充bug
- SequenceInputStream: 补全实现(Enumeration/多流/跨流聚合读取)

修复:
- ViewGroup.addView: 合并重复定义为智能参数分派
- view_ext.ViewGroup: 继承view.ViewGroup
- view_ext.KeyEvent: 继承view.KeyEvent
- hardware_sensor_ext.SensorManager: 继承hardware.SensorManager
- app_fragment: 使用java.lang.IllegalStateException
- content_intent.Intent: setData/getScheme正确从Uri提取scheme
- __init__.py: 补全Fragment/KeyEvent/MotionEvent/TrafficStats/RecyclerView/TreeMap/Vibrator等导出

统计: 221模块, 3662类, 30952方法, 182302行

android_pyapi/android/widget.py

@@ -365,6 +365,39 @@ class TextView(View):
     def setPadding(self, left: int, top: int, right: int, bottom: int):
         super().setPadding(left, top, right, bottom)
 
+    def setPaddingRelative(self, start: int, top: int, end: int, bottom: int):
+        self._padding_left = start
+        self._padding_top = top
+        self._padding_right = end
+        self._padding_bottom = bottom
+
+    # ─── text color getter ───────────────────────────────────
+
+    def getTextColor(self) -> int:
+        return self._text_color
+
+    # ─── selection action mode ───────────────────────────────
+
+    def setCustomSelectionActionModeCallback(self, callback: Any):
+        self._custom_selection_action_mode_callback = callback
+
+    def getCustomSelectionActionModeCallback(self) -> Any:
+        return getattr(self, '_custom_selection_action_mode_callback', None)
+
+    # ─── break / justification strategy ──────────────────────
+
+    def setBreakStrategy(self, break_strategy: int):
+        self._break_strategy = break_strategy
+
+    def getBreakStrategy(self) -> int:
+        return getattr(self, '_break_strategy', 0)
+
+    def setJustificationMode(self, justification_mode: int):
+        self._justification_mode = justification_mode
+
+    def getJustificationMode(self) -> int:
+        return getattr(self, '_justification_mode', 0)
+
     def onMeasure(self, width_measure_spec: int, height_measure_spec: int):
         from .view import MeasureSpec
         w = MeasureSpec.getSize(width_measure_spec)
@@ -456,6 +489,12 @@ class CheckBox(Button):
     def toggle(self):
         self._checked = not self._checked
 
+    def setOnCheckedChangeListener(self, listener: Optional[Callable]):
+        self._on_checked_change_listener = listener
+
+    def getOnCheckedChangeListener(self) -> Optional[Callable]:
+        return getattr(self, '_on_checked_change_listener', None)
+
     def performClick(self) -> bool:
         self.toggle()
         return super().performClick()
@@ -607,6 +646,22 @@ class Switch(Button):
     def getTextOff(self) -> str:
         return self._text_off
 
+    # ─── checked change listener ─────────────────────────────
+
+    def setOnCheckedChangeListener(self, listener: Optional[Callable]):
+        self._on_checked_change_listener = listener
+
+    def getOnCheckedChangeListener(self) -> Optional[Callable]:
+        return getattr(self, '_on_checked_change_listener', None)
+
+    # ─── switch text appearance ──────────────────────────────
+
+    def setSwitchTextAppearance(self, context: Any, resid: int):
+        self._switch_text_appearance = resid
+
+    def getSwitchTextAppearance(self) -> int:
+        return getattr(self, '_switch_text_appearance', 0)
+
     def performClick(self) -> bool:
         self.toggle()
         return super().performClick()
@@ -694,6 +749,17 @@ class ImageView(View):
     def getCropToPadding(self) -> bool:
         return self._crop_to_padding
 
+    # ─── color filter ─────────────────────────────────────────
+
+    def setColorFilter(self, color_filter: Any):
+        self._color_filter = color_filter
+
+    def getColorFilter(self) -> Any:
+        return getattr(self, '_color_filter', None)
+
+    def clearColorFilter(self):
+        self._color_filter = None
+
     def setBaseline(self, baseline: int):
         self._baseline = baseline
 
@@ -1116,6 +1182,10 @@ class ListView(AdapterView):
     def getCheckItemIds(self) -> List[int]:
         return list(self._checked_id_positions.keys())
 
+    def clearChoices(self):
+        self._checked_item_positions.clear()
+        self._checked_id_positions.clear()
+
 
 class GridView(AdapterView):
     """GridView — 网格视图"""