/** * Returns a user agent string based on the given application name and the library version. * * @param context A valid context of the calling application. * @param applicationName String that will be prefix'ed to the generated user agent. * @return A user agent string generated using the applicationName and the library version. */ public static String getUserAgent(Context context, String applicationName) { String versionName; try { String packageName = context.getPackageName(); PackageInfo info = context.getPackageManager().getPackageInfo(packageName, 0); versionName = info.versionName; } catch (NameNotFoundException e) { versionName = "?"; } return applicationName + "/" + versionName + " (Linux;Android " + Build.VERSION.RELEASE + ") " + "ExoPlayerLib/" + ExoPlayerLibraryInfo.VERSION; }
public static String getUserAgent(Context context) { String versionName; try { String packageName = context.getPackageName(); PackageInfo info = context.getPackageManager().getPackageInfo(packageName, 0); versionName = info.versionName; } catch (PackageManager.NameNotFoundException e) { versionName = "?"; } return "SampleTvInput/" + versionName + " (Linux;Android " + Build.VERSION.RELEASE + ") " + "ExoPlayerLib/" + ExoPlayerLibraryInfo.VERSION; }
public static String getUserAgent(Context context) { String versionName; try { String packageName = context.getPackageName(); PackageInfo info = context.getPackageManager().getPackageInfo(packageName, 0); versionName = info.versionName; } catch (NameNotFoundException e) { versionName = "?"; } return "ExoPlayerDemo/" + versionName + " (Linux;Android " + Build.VERSION.RELEASE + ") " + "ExoPlayerLib/" + ExoPlayerLibraryInfo.VERSION; }
/** * Generate a User-Agent string that should be sent with HTTP requests. A User-Agent string is * used to provide information such as the operating system and version to a server when it makes * a request. The server can use this information to select the version of the content which is * best suited for your system. For instance, a server could use the User-Agent string provided by * this app to ensure that it returns a video format that works on Android. * @param context The context (ex {@link android.app.Activity} which is calling this method. * @return The User-Agent string. */ public static String getUserAgent(Context context) { String versionName; try { String packageName = context.getPackageName(); PackageInfo info = context.getPackageManager().getPackageInfo(packageName, 0); versionName = info.versionName; } catch (NameNotFoundException e) { versionName = "?"; } return "ExoPlayerDemo/" + versionName + " (Linux;Android " + Build.VERSION.RELEASE + ") " + "ExoPlayerLib/" + ExoPlayerLibraryInfo.VERSION; }
/** * Writes a trace message to indicate that a given section of code has begun. * * @see android.os.Trace#beginSection(String) */ public static void beginSection(String sectionName) { if (ExoPlayerLibraryInfo.TRACE_ENABLED && Util.SDK_INT >= 18) { beginSectionV18(sectionName); } }
/** * Writes a trace message to indicate that a given section of code has ended. * * @see android.os.Trace#endSection() */ public static void endSection() { if (ExoPlayerLibraryInfo.TRACE_ENABLED && Util.SDK_INT >= 18) { endSectionV18(); } }
/** * Ensures that the calling thread is the application's main thread. * * @throws IllegalStateException If the calling thread is not the application's main thread. */ public static void checkMainThread() { if (ExoPlayerLibraryInfo.ASSERTIONS_ENABLED && Looper.myLooper() != Looper.getMainLooper()) { throw new IllegalStateException("Not in applications main thread"); } }
/** * Ensures that an object reference is not null. * * @param reference An object reference. * @return The non-null reference that was validated. * @throws NullPointerException If {@code reference} is null. */ public static <T> T checkNotNull(T reference) { if (ExoPlayerLibraryInfo.ASSERTIONS_ENABLED && reference == null) { throw new NullPointerException(); } return reference; }
/** * Ensures that an object reference is not null. * * @param reference An object reference. * @param errorMessage The exception message to use if the check fails. The message is converted * to a string using {@link String#valueOf(Object)}. * @return The non-null reference that was validated. * @throws NullPointerException If {@code reference} is null. */ public static <T> T checkNotNull(T reference, Object errorMessage) { if (ExoPlayerLibraryInfo.ASSERTIONS_ENABLED && reference == null) { throw new NullPointerException(String.valueOf(errorMessage)); } return reference; }
/** * Ensures that a string passed as an argument to the calling method is not null or 0-length. * * @param string A string. * @return The non-null, non-empty string that was validated. * @throws IllegalArgumentException If {@code string} is null or 0-length. */ public static String checkNotEmpty(String string) { if (ExoPlayerLibraryInfo.ASSERTIONS_ENABLED && TextUtils.isEmpty(string)) { throw new IllegalArgumentException(); } return string; }
/** * Ensures that a string passed as an argument to the calling method is not null or 0-length. * * @param string A string. * @param errorMessage The exception message to use if the check fails. The message is converted * to a string using {@link String#valueOf(Object)}. * @return The non-null, non-empty string that was validated. * @throws IllegalArgumentException If {@code string} is null or 0-length. */ public static String checkNotEmpty(String string, Object errorMessage) { if (ExoPlayerLibraryInfo.ASSERTIONS_ENABLED && TextUtils.isEmpty(string)) { throw new IllegalArgumentException(String.valueOf(errorMessage)); } return string; }
