{"id":1902,"date":"2022-11-25T18:00:42","date_gmt":"2022-11-25T10:00:42","guid":{"rendered":"https:\/\/app.applebyme.cn\/cloud\/appshangjia\/1902.html"},"modified":"2022-11-25T18:00:42","modified_gmt":"2022-11-25T10:00:42","slug":"android-12-%e5%ba%94%e7%94%a8%e9%80%82%e9%85%8d%e6%8c%87%e5%8d%972-%e6%96%b0%e5%8a%9f%e8%83%bd%e5%92%8capi","status":"publish","type":"post","link":"https:\/\/app.applebyme.cn\/cloud\/appshangjia\/1902.html","title":{"rendered":"Android 12 \u5e94\u7528\u9002\u914d\u6307\u53572 \u65b0\u529f\u80fd\u548cAPI"},"content":{"rendered":"

Android 12<\/span> \u5e94\u7528\u9002\u914d\u6307\u53572 \u65b0\u529f\u80fd\u548cAPI<\/p>\n

\u65b0\u529f\u80fd\u548cAPI<\/h2>\n

3.1 \u7528\u4e8e\u63a5\u6536\u5185\u5bb9\u7684\u7edf\u4e00API<\/h3>\n

\u5f53\u524d\uff0c\u7528\u6237\u66f4\u559c\u6b22\u56fe\u7247\u3001\u89c6\u9891\u7b49\u5bcc\u6709\u8868\u73b0\u529b\u7684\u5185\u5bb9\uff0c\u4f46\u5728\u5e94\u7528\u4e2d\u63d2\u5165\u548c\u79fb\u52a8\u5e76\u975e\u6613\u4e8b\u3002\u4e3a\u4e86\u4f7f\u5e94\u7528\u80fd\u591f\u8f7b\u677e\u5730\u63a5\u6536\u5bcc\u5a92\u4f53\u5185\u5bb9\uff0cAndroid 12 \u5f15\u5165\u4e86\u5168\u65b0\u7684\u7edf\u4e00 API\uff0c\u60a8\u53ef\u4ee5\u4ece\u4efb\u4f55\u53ef\u7528\u6765\u6e90\uff08\u526a\u8d34\u677f\u7c98\u8d34\u3001\u952e\u76d8\u6216\u62d6\u653e\u64cd\u4f5c\uff09\u63a5\u6536\u5bcc\u5a92\u4f53\u5185\u5bb9\u3002<\/p>\n

3.1.1 \u63a5\u6536\u5185\u5bb9\u7684API<\/h4>\n

\u4ee5\u524d\u6bcf\u4e2a\u754c\u9762\u673a\u5236\uff08\u4f8b\u5982\u957f\u6309\u83dc\u5355\u6216\u62d6\u653e\uff09\u90fd\u6709\u5bf9\u5e94\u7684 API\u3002\u8fd9\u610f\u5473\u7740\u60a8\u5fc5\u987b\u5355\u72ec\u4e0e\u6bcf\u4e2a API \u96c6\u6210\uff0c\u5e76\u4e3a\u6bcf\u79cd\u63d2\u5165\u5185\u5bb9\u7684\u673a\u5236\u6dfb\u52a0\u7c7b\u4f3c\u7684\u4ee3\u7801\uff1a<\/p>\n

\"Android\"Android<\/figure>\n

\u73b0\u5728\u65b0\u7684\u7edf\u4e00 API \u4f1a\u901a\u8fc7\u521b\u5efa\u4e00\u4e2a\u8981\u5b9e\u73b0\u7684\u5355\u4e00 API \u6765\u6574\u5408\u8fd9\u4e9b\u4e0d\u540c\u7684\u4ee3\u7801\u8def\u5f84\uff0c\u8fd9\u6837\u60a8\u5c31\u53ef\u4ee5\u4e13\u6ce8\u4e8e\u5e94\u7528\u7279\u5b9a\u7684\u903b\u8f91\uff0c\u800c\u8ba9\u7cfb\u7edf\u5904\u7406\u5176\u4f59\u7684\u5de5\u4f5c\uff1a<\/p>\n

\"Android\"Android<\/figure>\n

\u65b0 API \u662f\u4e00\u4e2a\u76d1\u542c\u5668\u63a5\u53e3\uff0c\u5305\u542b\u4e00\u79cd\u65b9\u6cd5\uff0c\u5373 \u200bOnReceiveContentListener\u200b\u3002\u6b64\u56de\u8c03\u4f1a\u6210\u4e3a\u60a8\u7684\u4ee3\u7801\u5904\u7406\u63a5\u6536\u6240\u6709\u5185\u5bb9\uff08\u4ece\u7eaf\u6587\u672c\u548c\u6837\u5f0f\u6587\u672c\u5230\u6807\u8bb0\u3001\u56fe\u7247\u3001\u89c6\u9891\u3001\u97f3\u9891\u6587\u4ef6\u7b49\uff09\u7684\u552f\u4e00\u4f4d\u7f6e\u3002\u4e3a\u4e86\u517c\u5bb9\u8f83\u4f4e\u7248\u672c\u7684 Android \u5e73\u53f0\uff0c\u6211\u4eec\u5efa\u8bae\u60a8\u4f7f\u7528 AndroidX\uff0c\u53ef\u5728 Core 1.5.0-beta1 \u548c Appcompat 1.3.0-beta-01 \u4e2d\u83b7\u5f97\u8be5API\u3002<\/p>\n

3.1.2 \u5b9e\u73b0\u4ee3\u7801<\/h4>\n

\u5982\u9700\u4f7f\u7528\u8be5 API\uff0c\u8bf7\u5148\u6307\u5b9a\u60a8\u7684\u5e94\u7528\u53ef\u4ee5\u5904\u7406\u54ea\u4e9b\u7c7b\u578b\u7684\u5185\u5bb9\uff0c\u4ee5\u5f00\u59cb\u5b9e\u73b0\u8be5\u76d1\u542c\u5668\uff1a<\/p>\n

public<\/strong> class<\/strong> MyReceiver<\/strong> implements<\/strong> OnReceiveContentListener<\/strong> {\n     public<\/strong> static<\/strong> final<\/strong> String[] MIME_TYPES = new<\/strong> String[] \n     {\"image\/*\", \"video\/*\"};\n     \/\/ ...<\/em>\n<\/code><\/pre>\n
\u6307\u5b9a\u60a8\u7684\u5e94\u7528\u652f\u6301\u7684\u6240\u6709\u5185\u5bb9 MIME \u7c7b\u578b\u540e\uff0c\u5b9e\u73b0\u8be5\u76d1\u542c\u5668\u7684\u5176\u4f59\u90e8\u5206\uff1a<\/p>\n
public<\/strong> class<\/strong> MyReceiver<\/strong> implements<\/strong> OnReceiveContentListener<\/strong> {\n     public<\/strong> static<\/strong> final<\/strong> String[] MIME_TYPES = new<\/strong> String[] {\"image\/*\", \"video\/*\"};\n\n     @Override\n     public<\/strong> ContentInfoCompat onReceiveContent<\/strong>(View view, ContentInfoCompat contentInfo) {\n         Pair<ContentInfoCompat, ContentInfoCompat> split = contentInfo.partition(\n                 item -> item.getUri() != null<\/strong>);\n         ContentInfo uriContent = split.first;\n         ContentInfo remaining = split.second;\n         if<\/strong> (uriContent != null<\/strong>) {\n             ClipData clip = uriContent.getClip();\n             for<\/strong> (int<\/strong> i = 0; i < clip.getItemCount(); i++) {\n                 Uri uri = clip.getItemAt(i).getUri();\n                 \/\/ App-specific logic to handle the URI ...<\/em>\n             }\n         }\n         \/\/ Return anything that your app didn't handle. This preserves the default platform<\/em>\n         \/\/ behavior for text and anything else that you aren't implementing custom handling for.<\/em>\n         return<\/strong> remaining;\n     }\n }<\/code><\/pre>\n
3.1.3 \u5b9e\u73b0\u6548\u679c<\/h4>\n
\"Android\"Android<\/figure>\n
3.2 \u517c\u5bb9\u7684\u5a92\u4f53\u8f6c\u7801<\/h3>\n
Android 12 \u5f15\u5165\u4e86\u4e00\u9879\u65b0\u529f\u80fd\uff0c\u8ba9\u5f55\u5236\u89c6\u9891\u7684\u5e94\u7528\u53ef\u4ee5\u5bf9\u8bbe\u5907\u4e0a\u5f55\u5236\u7684\u89c6\u9891\u8fdb\u884c\u66f4\u73b0\u4ee3\u3001\u5b58\u50a8\u6548\u7387\u66f4\u9ad8\u7684\u7f16\u7801\uff0c\u540c\u65f6\u53c8\u4e0d\u5f71\u54cd\u4e0e\u5176\u4ed6\u5e94\u7528\u7684\u517c\u5bb9\u6027\u3002\u5982\u679c\u89c6\u9891\u88ab\u4e0d\u652f\u6301 HEVC \u683c\u5f0f\u7684\u5e94\u7528\u6253\u5f00\uff0cAndroid \u4f1a\u81ea\u52a8\u5c06\u4ee5 HEVC (H.265) \u7b49\u683c\u5f0f\u5f55\u5236\u7684\u89c6\u9891\u8f6c\u7801\u4e3a AVC (H.264) \u683c\u5f0f\u3002\u5bf9\u4e8e\u5728\u8bbe\u5907\u4e0a\u521b\u5efa\u7684\u4ee5\u4e0b\u683c\u5f0f\u7684\u5185\u5bb9\uff0c\u7cfb\u7edf\u53ef\u4ee5\u81ea\u52a8\u8fdb\u884c\u8f6c\u7801\uff1a<\/p>\n
\n\n\n\n\n\n\n
\u5a92\u4f53\u683c\u5f0f<\/td>\nXML\u5c5e\u6027<\/td>\nMediaFormat MMIE\u7c7b\u578b<\/td>\n<\/tr>\n
HEVC (H.265)<\/td>\nHEVC<\/td>\nMediaFormat.MIMETYPE_VIDEO_HEVC<\/td>\n<\/tr>\n
HDR10<\/td>\nHDR10<\/td>\nMediaFeature.HdrType.HDR10<\/td>\n<\/tr>\n
HDR10+<\/td>\nHDR10Plus<\/td>\nMediaFeature.HdrType.HDR10_PLUS<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n
Android\u7cfb\u7edf\u9ed8\u8ba4\u5e94\u7528\u53ef\u4ee5\u652f\u6301\u64ad\u653e\u6240\u6709\u5a92\u4f53\u683c\u5f0f\uff0c\u56e0\u6b64\u201c\u517c\u5bb9\u7684\u5a92\u4f53\u8f6c\u7801\u201d\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u662f\u5173\u95ed\u7684\u3002\u5e94\u7528\u6709\u4e24\u79cd\u65b9\u6cd5\u6765\u8bf7\u6c42\u5c06\u5a92\u4f53\u6587\u4ef6\u8f6c\u7801\u6210\u66f4\u517c\u5bb9\u7684\u683c\u5f0f\uff1a1.\u5728\u8d44\u6e90\u6587\u4ef6\u4e2d\u58f0\u660e\uff1b2.\u5728\u4ee3\u7801\u4e2d\u58f0\u660e\u3002<\/p>\n
3.2.1 \u5728\u8d44\u6e90\u6587\u4ef6\u4e2d\u58f0\u660e\u529f\u80fd<\/h4>\n
\u9996\u5148\u5728xml\u76ee\u5f55\u4e0b\u521b\u5efamedia_capabilities.xml\u8d44\u6e90\u6587\u4ef6\uff0c\u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n
<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<media-capabilities xmlns:android=\"http:\/\/schemas.android.com\/apk\/res\/android\">\n    <format android:name=\"HEVC\" supported=\"true\"\/>\n    <format android:name=\"HDR10\" supported=\"false\"\/>\n    <format android:name=\"HDR10Plus\" supported=\"false\"\/>\n<\/media-capabilities><\/code><\/pre>\n
\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5f55\u5236\u7684HEVC\u89c6\u9891\u65e0\u6cd5\u8f6c\u7801\uff0c\u800cHDR\u89c6\u9891\u4f1a\u88ab\u8f6c\u7801\u4e3aAVC SDR\uff08\u6807\u51c6\u52a8\u6001\u8303\u56f4\uff09\u89c6\u9891\u3002\u540c\u65f6\uff0c\u9700\u8981\u5728\u5e94\u7528AndroidManifest.xml\u4e2dapp<\/span>lication \u6807\u7b7e\u4e2d\u4f7f\u7528property\u6765\u6807\u8bb0\u5bf9\u5a92\u4f53\u529f\u80fd\u6587\u4ef6\u7684\u5f15\u7528\uff1a<\/p>\n
<property\n    android:name=\"android.media.PROPERTY_MEDIA_CAPABILITIES\"\n    android:resource=\"@xml\/media_capabilities\" \/><\/code><\/pre>\n
3.2.2 \u5728\u4ee3\u7801\u4e2d\u58f0\u660e\u529f\u80fd<\/h4>\n
\u60a8\u53ef\u4ee5\u4f7f\u7528\u6784\u5efa\u5668\u6784\u9020 ApplicationMediaCapabilities\u5bf9\u8c61\u7684\u5b9e\u4f8b\uff0c\u5728\u4ee3\u7801\u4e2d\u58f0\u660e\u5a92\u4f53\u529f\u80fd\uff1a<\/p>\n
ApplicationMediaCapabilities mediaCapabilities = new<\/strong> ApplicationMediaCapabilities.Builder() \n        .addSupportedVideoMimeType(MediaFormat.MIMETYPE_VIDEO_HEVC)\n        .addUnsupportedHdrType(MediaFeature.HdrType.HDR10)\n        .addUnsupportedHdrType(MediaFeature.HdrType.HDR10_PLUS)\n        .build();<\/code><\/pre>\n
\u901a\u8fc7 ContentResolver#openTypedAssetFileDescriptor()\u7b49\u65b9\u6cd5\u8bbf\u95ee\u5a92\u4f53\u5185\u5bb9\u65f6\uff0c\u8bf7\u4f7f\u7528\u6b64\u5bf9\u8c61\uff1a<\/p>\n
Bundle providerOptions = new<\/strong> Bundle();\nproviderOptions.putParcelable(MediaStore.EXTRA_MEDIA_CAPABILITIES, mediaCapabilities);\ntry<\/strong> (AssetFileDescriptor fileDescriptor =  contentResolver.openTypedAssetFileDescriptor(mediaUri, mediaMimeType, providerOptions)) {\n    \/\/\u89c6\u9891\u5185\u5bb9\u4f1a\u8f6c\u6362\u6210ApplicationMediaCapabilities\u6307\u5b9a\u7684\u683c\u5f0f<\/em>\n}\n<\/code><\/pre>\n
\u6ce8\u610f\uff1a\u4ee3\u7801\u7684\u65b9\u5f0f\u4f1a\u4f18\u5148\u4e8e\u8d44\u6e90\u6587\u4ef6\uff0c\u8fd9\u6837\u53ef\u4ee5\u5bf9\u7279\u5b9a\u4ee3\u7801\u8def\u5f84\u505a\u66f4\u7cbe\u7ec6\u63a7\u5236\u3002<\/p>\n
3.3 \u5728\u4f01\u4e1a\u4e2d\u4f7f\u7528Android<\/h3>\n
3.3.1 Android 12\u4e2d\u7684\u4f01\u4e1a\u529f\u80fd\u65b0\u53d8\u5316<\/h4>\n