{"id":4270,"date":"2018-07-18T22:38:47","date_gmt":"2018-07-18T14:38:47","guid":{"rendered":"http:\/\/www.bookcard.net\/wordpress\/?p=4270"},"modified":"2018-07-18T22:38:47","modified_gmt":"2018-07-18T14:38:47","slug":"android_game_soundpool","status":"publish","type":"post","link":"https:\/\/www.bookcard.net\/wordpress\/android_game_soundpool\/","title":{"rendered":"Android\u904a\u6232\u4e4b\u97f3\u6548\u6a21\u584a"},"content":{"rendered":"<figure id=\"attachment_4271\" aria-describedby=\"caption-attachment-4271\" style=\"width: 1024px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2018\/07\/Android_Game_SoundPool.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-4271\" src=\"https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2018\/07\/Android_Game_SoundPool.jpg\" alt=\"\" width=\"1024\" height=\"768\" srcset=\"https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2018\/07\/Android_Game_SoundPool.jpg 1024w, https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2018\/07\/Android_Game_SoundPool-300x225.jpg 300w, https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2018\/07\/Android_Game_SoundPool-768x576.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption id=\"caption-attachment-4271\" class=\"wp-caption-text\">Android\u904a\u6232\u4e4b\u97f3\u6548\u6a21\u584a<\/figcaption><\/figure>\n<p>\u904a\u6232\u8072\u97f3\u5206\u70ba\u300e\u97f3\u6a02\u300f\u8207\u300e\u97f3\u6548\u300f.\u97f3\u6548\u9577\u5ea6\u4e0d\u61c9\u8d85\u904e5\u79d2.\u8b93\u5176\u53ef\u4ee5\u8f09\u5165\u300e\u8a18\u61b6\u9ad4\u300f\u4e2d.\u4e26\u5c07\u6240\u6709\u97f3\u6548\u6587\u6a94\u5b58\u653e\u5728\u300e\\app\\src\\main\\assets\u300f\u76ee\u9304\u4e0b.\u8b93AssetManager\u80fd\u5920\u8a2a\u554f.\u4e26\u5c07\u6240\u6709\u300e\u97f3\u6548\u300f\u6587\u6a94\u5b58\u70ba\u300eOGG\u300f\u683c\u5f0f.\u4e26\u4e14\u63a1\u7528\u4f4e\u63a1\u6a23\u983b\u7387.<\/p>\n<p>Android\u63d0\u4f9bSoundPool\u300e\u97f3\u6548\u6c60\u300f\u5be6\u73fe\u97f3\u6548\u8f09\u5165\u8207\u64ad\u653e.<\/p>\n<p>SoundPool(int maxStreams, int streamType, int srcQuality)<\/p>\n<p>maxStreams:\u7528\u6642\u80fd\u64ad\u653e\u97f3\u6548\u91cf<\/p>\n<p>streamType:\u4f7f\u7528\u97f3\u6a02\u6d41\u8f38\u51fa\u97f3\u983b.\u9019\u88e1\u4f7f\u7528AudioManager.STREAM_MUSIC<\/p>\n<p>srcQuality:\u5ee2\u68c4,\u7e3d\u70ba0<\/p>\n<p>\u69cb\u5efa\u97f3\u6548\u64ad\u653e<\/p>\n<p>SoundPool sound_pool = new SoundPool(32, AudioManager.STREAM_MUSIC,0);<\/p>\n<p>\u7528\u65bc\u8a2a\u554fAsset\u76ee\u9304<\/p>\n<p>AssetManager asset_manager = context.getAssets();<\/p>\n<p>\u7372\u53d6\u8cc7\u6e90\u6587\u6a94\u63cf\u8ff0\u7b26<\/p>\n<p>AssetFileDescriptor afd = asset_manager.openFd(file_name);<\/p>\n<p>\u628a\u97f3\u6548\u6587\u6a94\u8f09\u5165\u300e\u8a18\u61b6\u9ad4\u300f\u4e2d,\u8b93AssetFileDescriptor\u50b3\u7d66load()\u4e26\u8fd4\u56de\u6574\u6578ID\u53e5\u67c4<\/p>\n<p>int id = sound_pool.load(afd,1);<\/p>\n<p>\u64ad\u653e\u97f3\u6548<\/p>\n<p>public final int play (int soundID, float leftVolume, float rightVolume, int priority, int loop, float rate)<\/p>\n<p>soundID:\u97f3\u6548ID\u53e5\u67c4<\/p>\n<p>leftVolume\\rightVolume:\u5de6\u53f3\u8072\u9053\u97f3\u91cf\u57280.0f &#8211; 1.0f\u4e4b\u9593<\/p>\n<p>priority:\u512a\u5148\u7d1a.\u503c\u8d8a\u5927\u512a\u5148\u7d1a\u8d8a\u9ad8,0\u512a\u5148\u7d1a\u6700\u4f4e<\/p>\n<p>loop:\u5faa\u74b0\u6b21\u6578.0\u4ee3\u8868\u4e0d\u5faa\u74b0<\/p>\n<p>rate:\u64ad\u653e\u901f\u7387\u53d6\u503c0.5f &#8211; 2.0f\u4e4b\u9593.\u5176\u4e2d0.5f\u8868\u793a\u64ad\u653e\u901f\u5ea6\u6162\u4e00\u534a.1\u8868\u793a\u6b63\u5e38\u901f\u7387\u64ad\u653e.<\/p>\n<p>\u55ae\u6b21\u64ad\u653e\u97f3\u6548<\/p>\n<p>sound_pool.play(id, 1.0f, 1.0f, 0, 0, 1);<\/p>\n<p>\u7576\u4e0d\u9700\u8981\u97f3\u6548\u6642,\u9700\u8981\u91cb\u653e\u97f3\u6548\u8a18\u61b6\u9ad4<\/p>\n<p>sound_pool.unload(ID);<\/p>\n<p>\u7576\u9000\u51fa\u904a\u6232\u6642\u9700\u91cb\u653eSoundPool\u300e\u97f3\u6548\u6c60\u300f<\/p>\n<p>sound_pool.release();<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u904a\u6232\u8072\u97f3\u5206\u70ba\u300e\u97f3\u6a02\u300f\u8207\u300e\u97f3\u6548\u300f.\u97f3\u6548\u9577\u5ea6\u4e0d\u61c9\u8d85\u904e5\u79d2.\u8b93\u5176\u53ef\u4ee5\u8f09\u5165\u300e\u8a18\u61b6\u9ad4\u300f\u4e2d.\u4e26\u5c07\u6240\u6709\u97f3\u6548\u6587\u6a94\u5b58\u653e\u5728\u300e\\ap &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.bookcard.net\/wordpress\/android_game_soundpool\/\" class=\"more-link\">\u7e7c\u7e8c\u95b1\u8b80 <span class=\"screen-reader-text\">Android\u904a\u6232\u4e4b\u97f3\u6548\u6a21\u584a<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[2],"class_list":["post-4270","post","type-post","status-publish","format-standard","hentry","category-android","tag-android","entry"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/4270","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/comments?post=4270"}],"version-history":[{"count":1,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/4270\/revisions"}],"predecessor-version":[{"id":4272,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/4270\/revisions\/4272"}],"wp:attachment":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/media?parent=4270"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/categories?post=4270"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/tags?post=4270"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}