[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/Keys.java
old mode 100755new mode 100644
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@@ -130,7 +130,7 @@
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             context.getString(R.string.pref_camera_focusmode_default),
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             context.getResources().getStringArray(R.array.pref_camera_focusmode_entryvalues));
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-        String videoQualityBackDefaultValue = context.getString(R.string.pref_video_quality_large);
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+        String videoQualityBackDefaultValue = context.getString(R.string.pref_video_quality_small);
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         // TODO: We tweaked the default setting based on model string which is not ideal. Detecting
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         // CamcorderProfile capability is a better way to get this job done. However,
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         // |CamcorderProfile.hasProfile| needs camera id info. We need a way to provide camera id to
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@@ -149,13 +149,21 @@
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         }
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         settingsManager.setDefaults(KEY_VIDEO_QUALITY_FRONT,
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-            context.getString(R.string.pref_video_quality_large),
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+            context.getString(R.string.pref_video_quality_small),
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             context.getResources().getStringArray(R.array.pref_video_quality_entryvalues));
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         if (!settingsManager.isSet(SettingsManager.SCOPE_GLOBAL, Keys.KEY_VIDEO_QUALITY_FRONT)) {
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             settingsManager.setToDefault(SettingsManager.SCOPE_GLOBAL,
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                                          Keys.KEY_VIDEO_QUALITY_FRONT);
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         }
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+        settingsManager.setDefaults(KEY_VIDEO_QUALITY_EXTERNAL,
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+            context.getString(R.string.pref_video_quality_small),
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+            context.getResources().getStringArray(R.array.pref_video_quality_entryvalues));
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+        if (!settingsManager.isSet(SettingsManager.SCOPE_GLOBAL, Keys.KEY_VIDEO_QUALITY_EXTERNAL)) {
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+            settingsManager.setToDefault(SettingsManager.SCOPE_GLOBAL,
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+                                         Keys.KEY_VIDEO_QUALITY_EXTERNAL);
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+        }
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+
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         settingsManager.setDefaults(KEY_JPEG_QUALITY,
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             context.getString(R.string.pref_camera_jpeg_quality_normal),
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             context.getResources().getStringArray(