feat(Window): 支持android12以上非无障碍绘制

feat(LuaFunction): 新增函数强制禁用android12以上无障碍申请

Author: gnahz77

README.md

@@ -21,6 +21,8 @@ https://wwt.lanzoul.com/b02vn048j
 # 测试脚本
 
 ```lua
+--强制禁用android12以上的无障碍申请
+disDrawAcc()
 --创建画笔
 paint = newPaint()
 --画笔红色

app/src/main/java/Thousand_Dust/MyWindowManager.java

@@ -15,6 +15,9 @@
 public class MyWindowManager {
 
     private static MyWindowManager mWm;
+    private static float alpha = 1f;
+
+    public static final float MAXIMUM_OBSCURING_OPACITY = 0.8f;
 
     public static void newInstance(Context context) {
         if (mWm == null) {
@@ -28,7 +31,7 @@ public static boolean isInstanceEmpty() {
 
     public static MyWindowManager getInstance() {
         if (mWm == null) {
-            throw new o("无障碍功能可能未开启");
+            throw new o("悬浮窗未初始化，可能是无障碍功能可能未开启");
         }
         return mWm;
     }
@@ -40,6 +43,21 @@ public static void destInstance() {
         System.gc();
     }
 
+    public static void setAlpha(float alpha) {
+        MyWindowManager.alpha = alpha;
+        if (!isInstanceEmpty()) {
+            //悬浮窗已实例化，更新悬浮窗透明度
+            mWm.lp.alpha = alpha;
+            mWm.handler.post(() -> {
+                mWm.wm.updateViewLayout(mWm.viewGroup, mWm.lp);
+            });
+        }
+    }
+
+    public static float getAlpha() {
+        return alpha;
+    }
+
     private Handler handler = new Handler(Looper.getMainLooper());
     private WindowManager wm;
     private WindowManager.LayoutParams lp;
@@ -59,7 +77,7 @@ private void initWindow(Context context) {
         int type;
         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
             type = WindowManager.LayoutParams.TYPE_SYSTEM_ALERT;
-        } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+        } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S && alpha > MAXIMUM_OBSCURING_OPACITY) {
             type = WindowManager.LayoutParams.TYPE_ACCESSIBILITY_OVERLAY;
         } else {
             type = WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY;
@@ -70,9 +88,13 @@ private void initWindow(Context context) {
                 ViewGroup.LayoutParams.MATCH_PARENT,
                 ViewGroup.LayoutParams.MATCH_PARENT,
                 type,
-                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE | WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL | WindowManager.LayoutParams.FIRST_SYSTEM_WINDOW,
+                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE |
+                        WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE |
+                        WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL |
+                        WindowManager.LayoutParams.FIRST_SYSTEM_WINDOW,
                 PixelFormat.RGBA_8888
         );
+        lp.alpha = alpha;
         lp.gravity = Gravity.TOP | Gravity.LEFT;
 
         wm.addView(viewGroup, lp);

app/src/main/java/Thousand_Dust/canvas/ViewLib.java

@@ -1,5 +1,7 @@
 package Thousand_Dust.canvas;
 
+import static Thousand_Dust.MyWindowManager.MAXIMUM_OBSCURING_OPACITY;
+
 import android.app.AlertDialog;
 import android.content.Intent;
 import android.graphics.Color;
@@ -32,16 +34,12 @@ public class ViewLib extends TwoArgFunction {
 
     private Globals globals;
 
-    public ViewLib() {
-        //android版本小于12直接显示悬浮窗
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.S) {
-            MyWindowManager.newInstance(Tools.getContext());
-        }
-    }
-
     @Override
     public LuaValue a(LuaValue arg1, LuaValue env) {
         globals = env.c();
+        //强制关闭绘图无障碍
+        env.a("disDrawAcc", new disDrawAcc());
+
         env.a("newView", new newView());
         env.a("removeAllView", new removeAllView());
 
@@ -65,21 +63,26 @@ public LuaValue a(LuaValue arg1, LuaValue env) {
         return env;
     }
 
+    class disDrawAcc extends VarArgFunction {
+        @Override
+        public ap a_(ap args) {
+            MyWindowManager.setAlpha(MAXIMUM_OBSCURING_OPACITY);
+            return LuaValue.x;
+        }
+    }
+
     class newView extends VarArgFunction {
-        private boolean isShowAlert = false;
         private boolean isPrint = false;
         @Override
         public ap a_(ap args) {
-            //android版本12及以上需要开启无障碍
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
-                if (MyWindowManager.isInstanceEmpty()) {
+            if (MyWindowManager.isInstanceEmpty()) {
+                //android版本12及以上需要开启无障碍
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S && MyWindowManager.getAlpha() > MAXIMUM_OBSCURING_OPACITY) {
                     showPermissionAlert();
+                } else {
+                    showOrdinaryAlert();
                 }
-            } else if (!isShowAlert) {
-                showOrdinaryAlert();
-                isShowAlert = true;
             }
-
             DrawView drawView = new DrawView(Tools.getContext(), globals);
             MyWindowManager.getInstance().addView(drawView);
             return LuaView.valueOf(drawView);
@@ -108,6 +111,7 @@ public void showOrdinaryAlert() {
                 ab.setView(devText);
                 ab.setCancelable(false);
                 ab.setPositiveButton("同意", (p1, p2) -> {
+                    MyWindowManager.newInstance(Tools.getContext());
                     result[1] = true;
                 });
                 ab.setNegativeButton("拒绝", (p1, p2) -> {
@@ -153,7 +157,7 @@ public void showPermissionAlert() {
                 final AlertDialog.Builder ab = new AlertDialog.Builder(Tools.getContext());
                 ab.setTitle("权限请求");
                 ab.setMessage("脚本即将在屏幕上绘图\n" +
-                        "但因为您的Android设备版本为12或以上，需要开启无障碍\n" +
+                        "但因为您的Android设备版本为12或以上，需要开启无障碍（或调用函数\"disDrawAcc()\"）\n" +
                         "同意跳转权限页面，拒绝结束脚本。");
                 ab.setView(devText);
                 ab.setCancelable(false);