【无标题】Android 添加layer图层

最新推荐文章于 2024-07-02 11:16:29 发布

cengdong

最新推荐文章于 2024-07-02 11:16:29 发布

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分类专栏： android 文章标签： android java

本文链接：https://blog.youkuaiyun.com/cengdong/article/details/122046139

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@@ -2036,6 +2036,39 @@ class AppWindowToken extends WindowToken implements WindowManagerService.AppFree
         } else if (mLetterbox != null) {
             mLetterbox.hide();
         }
+               //adddddddd
+        android.view.Surface mTestSurface = new android.view.Surface();
+        DisplayContent mTestDisplayContent = mWmService.getDefaultDisplayContentLocked();
+        try{
+            SurfaceControl sc = mTestDisplayContent.makeOverlay()
+                                 .setName("test_background")
+                                 .setBufferSize(1920, 990)
+                                 .setParent(getSurfaceControl())
+                                 .setFormat(android.graphics.PixelFormat.RGB_888)
+                                 .build();
+            sc.setLayer(-1);
+            //sc.setColor(new float[]{255,0,0});
+            sc.setPosition(0, 48);
+
+            mTestSurface.copyFrom(sc);
+
+            Rect dirty = new Rect(0, 48, 1920, 990);
+            android.graphics.Canvas c = mTestSurface.lockCanvas(dirty);
+            if (c != null) {
+               c.save();
+               c.clipRect(new Rect(0, 48, 1920, 990));
+               c.drawColor(android.graphics.Color.YELLOW);
+               c.restore();
+               mTestSurface.unlockCanvasAndPost(c);
+            }
+            sc.show();
+        } catch (Exception e) {
+            Slog.e(TAG, "test_background Exception");
+        }
+               //adddddddd
     }