1. Toast.makeText(getContext(), “hello”, …)\u540e\u8fd8\u8981.show()\u8ba9Toast\u663e\u793a\u51fa\u6765
\n2. fragment\u7684binding\u5199\u5728onCreateView\u91cc<\/p>\n
3. R.string.mystring\u662f\u6570\u5b57\u800c\u4e0d\u662fString, \u5e94\u8be5\u4f7f\u7528getResouces().getString(R.string.mystring)\u6765\u83b7\u5f97String, \u5982\u679c\u76f4\u63a5R.string.s1 + R.string.s2\u6765\u8bbe\u7f6eString\u7684\u8bdd\uff0c\u5219\u7cfb\u7edf\u4f1a\u5c1d\u8bd5\u83b7\u53d6\u4e00\u4e2a\u8d44\u6e90id\u7b49\u4e8e\u8fd9\u4e24\u4e2a\u6570\u5b57\u4e4b\u548c\u7684\u8d44\u6e90\uff0c\u4ece\u800c\u4ea7\u751f\u5d29\u6e83\u3002<\/p>\n 4. fragment\u8c03\u7528\u6240\u5c5eactivity\u7684\u65b9\u6cd5<\/p>\n \uff08TheActivity)getActivity().activityMethod();<\/p>\n 5. navigation\u3001navigation_host_fragment\u4e2d\u5207\u6362\u5230\u65b0fragment\u65b9\u6cd5\uff1a<\/p>\n navController.navigate(R.id_navigation_…)<\/p>\n \u53c2\u6570\u662f\u4e2anavigation,\u5728res\/navigation\/\u4e0b\u5bf9\u5e94\u7684xml\u4e2d\u65b0\u589e\u8fd9\u4e2anavigation<\/p>\n 6. \u4f7f\u7528\u6b64\u65b9\u6cd5\u6765\u83b7\u5f97\u6587\u4ef6\u63cf\u8ff0\u7b26\u65f6\uff0c\u5e94\u5728\u4f7f\u7528\u6587\u4ef6\u63cf\u8ff0\u7b26\u540e\u518d\u8c03\u7528parcelFileDescriptor.close()\u8fdb\u884c\u5173\u95ed<\/p>\n 8. \u5bfc\u5165\u7684c\u7684\u6587\u4ef6\uff0c\u65f6\u65f6\u523b\u523b\u8bb0\u5f97\u8981\u653e\u5728extern “C” {} \u4e2d\u8fdb\u884c\u5bfc\u5165\uff0c\u5426\u5219\u5c31\u50cf\u6ca1\u5bfc\u5165\u4e00\u6837\uff0c\u5982\u5bfc\u5165ffmpeg\u4e2d\u7684<livformat\/avformat.h>\u4e4b\u7c7b\u7684\u65f6<\/p>\n","protected":false},"excerpt":{"rendered":" 1. Toast.makeText(getContext(), “hello”, &# […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[74],"tags":[],"class_list":["post-1423","post","type-post","status-publish","format-standard","hentry","category-74"],"_links":{"self":[{"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=\/wp\/v2\/posts\/1423","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1423"}],"version-history":[{"count":8,"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=\/wp\/v2\/posts\/1423\/revisions"}],"predecessor-version":[{"id":1431,"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=\/wp\/v2\/posts\/1423\/revisions\/1431"}],"wp:attachment":[{"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1423"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1423"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1423"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}binding = FragmentDashboardBinding.inflate(inflater, container, false);
\nView root = binding.getRoot();
\nreturn view<\/code><\/p>\n
\nParcelFileDescriptor parcelFileDescriptor = getContext().getContentResolver().openFileDescriptor(MyFFmpeg.uri, \"r\");
\nFileDescriptor fileDescriptor = parcelFileDescriptor.getFileDescriptor();
\nif(!fileDescriptor.valid()) {
\nToast.makeText(getContext(), \"fd not ok\", Toast.LENGTH_LONG).show();
\n}
\nMyFFmpeg.openFile(fileDescriptor);
\nparcelFileDescriptor.close();<\/code><\/p>\n