Android 系统APK-Camera 后置拍照的白平衡模式按钮灰显，无法点击

Posted 2022-02-06 王睿丶

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);