Android 使用Vitamio打造自己的万能播放器（3）――本地播放（主界面、播放列表）

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:gravity="center_horizontal" android:layout_width="match_parent" android:layout_height="match_parent"> <RadioGroup android:gravity="center_vertical" android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="horizontal"> <RadioButton android:id="@+id/radio_file" android:checked="true" style="@style/main_tab_bottom" android:drawableTop="@drawable/video_file" android:text="@string/title_file" /> <RadioButton android:id="@+id/radio_online" android:drawableTop="@drawable/video_online" style="@style/main_tab_bottom" android:text="@string/title_online" /> </RadioGroup> <android.support.v4.view.ViewPager android:background="@color/background" android:id="@+id/pager" android:layout_width="match_parent" android:layout_height="match_parent"> </android.support.v4.view.ViewPager></LinearLayout>

public class MainFragmentActivity extends FragmentActivity { private ViewPager mPager; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.fragment_pager); mPager = (ViewPager) findViewById(R.id.pager); mPager.setAdapter(mAdapter); } private FragmentPagerAdapter mAdapter = new FragmentPagerAdapter(getSupportFragmentManager()) { /** 仅执行一次 */ @Override public Fragment getItem(int position) { Fragment result = null; switch (position) { case 1: result = new FragmentOnline();//在线视频 break; case 0: default: result = new FragmentFile();//本地视频 break; } return result; } @Override public int getCount() { return 2; } };}

public class FragmentFile extends FragmentBase implements OnItemClickListener { private FileAdapter mAdapter; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View v = super.onCreateView(inflater, container, savedInstanceState); mAdapter = new FileAdapter(getActivity(), null); mListView.setAdapter(mAdapter); mListView.setOnItemClickListener(this); new ScanVideoTask().execute(); return v; } /** 单击启动播放 */ @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { final File f = mAdapter.getItem(position); Intent intent = new Intent(getActivity(), VideoViewDemo.class); intent.putExtra("path", f.getPath()); startActivity(intent); } /** 扫描SD卡 */ private class ScanVideoTask extends AsyncTask<Void, File, Void> { @Override protected Void doInBackground(Void... params) { eachAllMedias(Environment.getExternalStorageDirectory()); return null; } @Override protected void onProgressUpdate(File... values) { mAdapter.add(values[0]); mAdapter.notifyDataSetChanged(); } /** 遍历所有文件夹，查找出视频文件 */ public void eachAllMedias(File f) { if (f != null && f.exists() && f.isDirectory()) { File[] files = f.listFiles(); if (files != null) { for (File file : f.listFiles()) { if (file.isDirectory()) { eachAllMedias(file); } else if (file.exists() && file.canRead() && FileUtils.isVideoOrAudio(file)) { publishProgress(file); } } } } } } private class FileAdapter extends ArrayAdapter<File> { public FileAdapter(Context ctx, ArrayList<File> l) { super(ctx, l); } @Override public View getView(int position, View convertView, ViewGroup parent) { final File f = getItem(position); if (convertView == null) { final LayoutInflater mInflater = getActivity().getLayoutInflater(); convertView = mInflater.inflate(R.layout.fragment_file_item, null); } ((TextView) convertView.findViewById(R.id.title)).setText(f.getName()); return convertView; } }}