Android 11.0 修复Camera 启用后置摄像头在拍照界面下，白平衡按钮无法点击

packages/apps/Camera2 / src/com/android/camera/app/CameraAppUI.java

 if (enableWhiteBalance) {
    
    
            buttonManager.initializePushButton(ButtonManager.BUTTON_WHITEBALANCE, null);
            buttonManager.setWhiteBalanceParameters(bottomBarSpec.supportedWhiteBalances);

            buttonManager.setWhiteBalanceCallback(
                    bottomBarSpec.whiteBalanceSetCallback);
            buttonManager.updateWhiteBalanceButtons();
        } else {
    
    
            if (!bottomBarSpec.enableWhiteBalance
                    && mController.getSettingsManager().getBoolean(SettingsManager.SCOPE_GLOBAL,
                            Keys.KEY_WHITEBALANCE_ENABLED)) {
    
    
                buttonManager.initializePushButton(ButtonManager.BUTTON_WHITEBALANCE, null);
                buttonManager.setWhiteBalanceParameters(bottomBarSpec.supportedWhiteBalances);

                buttonManager.setWhiteBalanceCallback(
                        bottomBarSpec.whiteBalanceSetCallback);
                buttonManager.updateWhiteBalanceButtons();
                // wangrui When taking photos with the rear camera, white balance is no longer disabled
++                //buttonManager.disableButton(ButtonManager.BUTTON_WHITEBALANCE);
            } else {
    
    
                buttonManager.hideButton(ButtonManager.BUTTON_WHITEBALANCE);
                buttonManager.setWhiteBalanceCallback(null);
            }
        }

我是王睿丶，加入我的Q群：901440630，欢迎一起讨论安卓技术！