[4/4]解决USB摄像头打开相机预览界面绿屏

liyujie

2025-08-28 786ff4f4ca2374bdd9177f2e24b503d43e7a3b93

 android/packages/apps/Camera2/src/com/android/camera/settings/CameraSettingsActivity.java
old mode 100755new mode 100644
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@@ -203,13 +203,31 @@
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             loadSizes();
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             // Send loaded sizes to additional preferences.
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-            CameraSettingsActivityHelper.onSizesLoaded(this, mPictureSizes.backCameraSizes,
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-                    new ListPreferenceFiller() {
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-                        @Override
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-                        public void fill(List<Size> sizes, ListPreference preference) {
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-                            setEntriesForSelection(sizes, preference);
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-                        }
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-                    });
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+            if (!mPictureSizes.backCameraSizes.isEmpty()) {
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+                CameraSettingsActivityHelper.onSizesLoaded(this, mPictureSizes.backCameraSizes,
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+                        new ListPreferenceFiller() {
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+                            @Override
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+                            public void fill(List<Size> sizes, ListPreference preference) {
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+                                setEntriesForSelection(sizes, preference);
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+                            }
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+                        });
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+            } else if (!mPictureSizes.frontCameraSizes.isEmpty()) {
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+                CameraSettingsActivityHelper.onSizesLoaded(this, mPictureSizes.frontCameraSizes,
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+                        new ListPreferenceFiller() {
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+                            @Override
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+                            public void fill(List<Size> sizes, ListPreference preference) {
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+                                setEntriesForSelection(sizes, preference);
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+                            }
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+                        });
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+            } else {
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+                CameraSettingsActivityHelper.onSizesLoaded(this, mPictureSizes.externalCameraSizes,
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+                        new ListPreferenceFiller() {
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+                            @Override
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+                            public void fill(List<Size> sizes, ListPreference preference) {
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+                                setEntriesForSelection(sizes, preference);
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+                            }
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+                        });
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+            }
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             // Make sure to hide settings for cameras that don't exist on this
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             // device.
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@@ -309,6 +327,12 @@
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                 recursiveDelete(resolutions,
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                         findPreference(Keys.KEY_VIDEO_QUALITY_FRONT));
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             }
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+            if (mPictureSizes.externalCameraSizes.isEmpty()) {
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+                recursiveDelete(resolutions,
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+                        findPreference(Keys.KEY_PICTURE_SIZE_EXTERNAL));
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+                recursiveDelete(resolutions,
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+                        findPreference(Keys.KEY_VIDEO_QUALITY_EXTERNAL));
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+            }
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         }
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         /**
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@@ -382,10 +406,14 @@
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                 setEntriesForSelection(mPictureSizes.backCameraSizes, listPreference);
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             } else if (listPreference.getKey().equals(Keys.KEY_PICTURE_SIZE_FRONT)) {
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                 setEntriesForSelection(mPictureSizes.frontCameraSizes, listPreference);
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+            } else if (listPreference.getKey().equals(Keys.KEY_PICTURE_SIZE_EXTERNAL)) {
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+                setEntriesForSelection(mPictureSizes.externalCameraSizes, listPreference);
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             } else if (listPreference.getKey().equals(Keys.KEY_VIDEO_QUALITY_BACK)) {
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                 setEntriesForSelection(mPictureSizes.videoQualitiesBack.orNull(), listPreference);
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             } else if (listPreference.getKey().equals(Keys.KEY_VIDEO_QUALITY_FRONT)) {
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                 setEntriesForSelection(mPictureSizes.videoQualitiesFront.orNull(), listPreference);
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+            } else if (listPreference.getKey().equals(Keys.KEY_VIDEO_QUALITY_EXTERNAL)) {
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+                setEntriesForSelection(mPictureSizes.videoQualitiesExternal.orNull(), listPreference);
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             }
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         }
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@@ -405,10 +433,15 @@
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             } else if (listPreference.getKey().equals(Keys.KEY_PICTURE_SIZE_FRONT)) {
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                 setSummaryForSelection(mPictureSizes.frontCameraSizes,
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                         listPreference);
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+            } else if (listPreference.getKey().equals(Keys.KEY_PICTURE_SIZE_EXTERNAL)) {
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+                setSummaryForSelection(mPictureSizes.externalCameraSizes,
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+                        listPreference);
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             } else if (listPreference.getKey().equals(Keys.KEY_VIDEO_QUALITY_BACK)) {
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                 setSummaryForSelection(mPictureSizes.videoQualitiesBack.orNull(), listPreference);
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             } else if (listPreference.getKey().equals(Keys.KEY_VIDEO_QUALITY_FRONT)) {
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                 setSummaryForSelection(mPictureSizes.videoQualitiesFront.orNull(), listPreference);
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+            } else if (listPreference.getKey().equals(Keys.KEY_VIDEO_QUALITY_EXTERNAL)) {
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+                setSummaryForSelection(mPictureSizes.videoQualitiesExternal.orNull(), listPreference);
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             } else {
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                 listPreference.setSummary(listPreference.getEntry());
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             }