{"id":138,"date":"2017-04-15T14:00:46","date_gmt":"2017-04-15T06:00:46","guid":{"rendered":"http:\/\/av16874667.imwork.net:13582\/?p=138"},"modified":"2017-04-15T14:00:46","modified_gmt":"2017-04-15T06:00:46","slug":"android-meta-data%e5%80%bc%e7%9a%84%e8%8e%b7%e5%8f%96","status":"publish","type":"post","link":"https:\/\/www.dd-home.top\/?p=138","title":{"rendered":"Android meta-data\u503c\u7684\u83b7\u53d6"},"content":{"rendered":"<p><!--more--><\/p>\n<p>meta-data \u53ef\u80fd\u5b58\u5728<\/p>\n<h1>1).Activity \u4e2d<\/h1>\n<pre>&lt;activity android:name=\".MainActivity\"&gt;\n \u00a0 \u00a0&lt;meta-data android:name=\"test\" android:value=\"12313\" \/&gt;\n&lt;\/activity&gt;<\/pre>\n<p>\u83b7\u53d6\u65b9\u6cd5<\/p>\n<pre>try\u00a0{\n\u00a0\u00a0\u00a0\u00a0ActivityInfo\u00a0info\u00a0=\u00a0this.getPackageManager().getActivityInfo(getComponentName(),\u00a0PackageManager.GET_META_DATA);\n\u00a0\u00a0\u00a0\u00a0String\u00a0value\u00a0=\u00a0info.metaData.getString(\"data_activity\");\n}\u00a0catch\u00a0(PackageManager.NameNotFoundException\u00a0e)\u00a0{\n\u00a0\u00a0\u00a0\u00a0e.printStackTrace();\n}<\/pre>\n<h1>2).Application\u4e2d<\/h1>\n<pre>&lt;meta-data\u00a0android:name=\"meta_application\"\u00a0android:value=\"data_application\"\u00a0\/&gt;<\/pre>\n<p>\u83b7\u53d6\u65b9\u6cd5<\/p>\n<pre>try\u00a0{\n\u00a0\u00a0\u00a0\u00a0ApplicationInfo\u00a0appInfo\u00a0=\u00a0this.getPackageManager().getApplicationInfo(getPackageName(),\u00a0PackageManager.GET_META_DATA);\n\u00a0\u00a0\u00a0\u00a0String\u00a0value=appInfo.metaData.getString(\"data_application\");\n}\u00a0catch\u00a0(PackageManager.NameNotFoundException\u00a0e)\u00a0{\n\u00a0\u00a0\u00a0\u00a0e.printStackTrace();\n}<\/pre>\n<h1>3).Service\u4e2d<\/h1>\n<pre>&lt;service android:name=\".MyService\" &gt;\n \u00a0 \u00a0&lt;meta-data android:name=\"service_meta\" android:value=\"data_service\" \/&gt;\n&lt;\/service&gt;<\/pre>\n<p>\u83b7\u53d6\u65b9\u6cd5<\/p>\n<pre>try\u00a0{\n\u00a0\u00a0\u00a0\u00a0ComponentName\u00a0cn=new\u00a0ComponentName(this,\u00a0MyService.class);\n\u00a0\u00a0\u00a0\u00a0ServiceInfo\u00a0info=getPackageManager().getServiceInfo(cn,\u00a0PackageManager.GET_META_DATA);\n\u00a0\u00a0\u00a0\u00a0String\u00a0value=info.metaData.getString(\"data_service\");\n}\u00a0catch\u00a0(PackageManager.NameNotFoundException\u00a0e)\u00a0{\n\u00a0\u00a0\u00a0\u00a0e.printStackTrace();\n}<\/pre>\n<h1>4).Receiver\u4e2d<\/h1>\n<pre>&lt;receiver android:name=\".MyReceiver\"&gt;\n \u00a0 \u00a0&lt;meta-data android:name=\"data_receiver\" android:value=\"data_receiver\" \/&gt;\n&lt;\/receiver&gt;<\/pre>\n<p>\u83b7\u53d6\u65b9\u6cd5<\/p>\n<pre>try\u00a0{\n\u00a0\u00a0\u00a0\u00a0ComponentName\u00a0cn=new\u00a0ComponentName(this,\u00a0MyReceiver.class);\n\u00a0\u00a0\u00a0\u00a0ActivityInfo\u00a0info=getPackageManager().getReceiverInfo(cn,\u00a0PackageManager.GET_META_DATA);\n\u00a0\u00a0\u00a0\u00a0String\u00a0value=info.metaData.getString(\"data_receiver\");\n}\u00a0catch\u00a0(PackageManager.NameNotFoundException\u00a0e)\u00a0{\n\u00a0\u00a0\u00a0\u00a0e.printStackTrace();\n}<\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"class_list":["post-138","post","type-post","status-publish","format-standard","hentry","category-android"],"_links":{"self":[{"href":"https:\/\/www.dd-home.top\/index.php?rest_route=\/wp\/v2\/posts\/138","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dd-home.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dd-home.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dd-home.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dd-home.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=138"}],"version-history":[{"count":0,"href":"https:\/\/www.dd-home.top\/index.php?rest_route=\/wp\/v2\/posts\/138\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.dd-home.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=138"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dd-home.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=138"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dd-home.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=138"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}