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| public final class Log {
/** * Priority constant for the println method; use Log.v. */ public static final int VERBOSE = 2;
/** * Priority constant for the println method; use Log.d. */ public static final int DEBUG = 3;
/** * Priority constant for the println method; use Log.i. */ public static final int INFO = 4;
/** * Priority constant for the println method; use Log.w. */ public static final int WARN = 5;
/** * Priority constant for the println method; use Log.e. */ public static final int ERROR = 6;
/** * Priority constant for the println method. */ public static final int ASSERT = 7;
private Log() { }
/** * Send a {@link #VERBOSE} log message. * @param tag Used to identify the source of a log message. It usually identifies * the class or activity where the log call occurs. * @param msg The message you would like logged. */ public static int v(String tag, String msg) { return println(LOG_ID_MAIN, VERBOSE, tag, msg); }
/** * Send a {@link #VERBOSE} log message and log the exception. * @param tag Used to identify the source of a log message. It usually identifies * the class or activity where the log call occurs. * @param msg The message you would like logged. * @param tr An exception to log */ public static int v(String tag, String msg, Throwable tr) { return println(LOG_ID_MAIN, VERBOSE, tag, msg + '\n' + getStackTraceString(tr)); }
/** * Send a {@link #DEBUG} log message. * @param tag Used to identify the source of a log message. It usually identifies * the class or activity where the log call occurs. * @param msg The message you would like logged. */ public static int d(String tag, String msg) { return println(LOG_ID_MAIN, DEBUG, tag, msg); }
/** * Send a {@link #DEBUG} log message and log the exception. * @param tag Used to identify the source of a log message. It usually identifies * the class or activity where the log call occurs. * @param msg The message you would like logged. * @param tr An exception to log */ public static int d(String tag, String msg, Throwable tr) { return println(LOG_ID_MAIN, DEBUG, tag, msg + '\n' + getStackTraceString(tr)); }
/** * Send an {@link #INFO} log message. * @param tag Used to identify the source of a log message. It usually identifies * the class or activity where the log call occurs. * @param msg The message you would like logged. */ public static int i(String tag, String msg) { return println(LOG_ID_MAIN, INFO, tag, msg); }
/** * Send a {@link #INFO} log message and log the exception. * @param tag Used to identify the source of a log message. It usually identifies * the class or activity where the log call occurs. * @param msg The message you would like logged. * @param tr An exception to log */ public static int i(String tag, String msg, Throwable tr) { return println(LOG_ID_MAIN, INFO, tag, msg + '\n' + getStackTraceString(tr)); }
/** * Send a {@link #WARN} log message. * @param tag Used to identify the source of a log message. It usually identifies * the class or activity where the log call occurs. * @param msg The message you would like logged. */ public static int w(String tag, String msg) { return println(LOG_ID_MAIN, WARN, tag, msg); }
/** * Send a {@link #WARN} log message and log the exception. * @param tag Used to identify the source of a log message. It usually identifies * the class or activity where the log call occurs. * @param msg The message you would like logged. * @param tr An exception to log */ public static int w(String tag, String msg, Throwable tr) { return println(LOG_ID_MAIN, WARN, tag, msg + '\n' + getStackTraceString(tr)); }
/* * Send a {@link #WARN} log message and log the exception. * @param tag Used to identify the source of a log message. It usually identifies * the class or activity where the log call occurs. * @param tr An exception to log */ public static int w(String tag, Throwable tr) { return println(LOG_ID_MAIN, WARN, tag, getStackTraceString(tr)); }
/** * Send an {@link #ERROR} log message. * @param tag Used to identify the source of a log message. It usually identifies * the class or activity where the log call occurs. * @param msg The message you would like logged. */ public static int e(String tag, String msg) { return println(LOG_ID_MAIN, ERROR, tag, msg); }
/** * Send a {@link #ERROR} log message and log the exception. * @param tag Used to identify the source of a log message. It usually identifies * the class or activity where the log call occurs. * @param msg The message you would like logged. * @param tr An exception to log */ public static int e(String tag, String msg, Throwable tr) { return println(LOG_ID_MAIN, ERROR, tag, msg + '\n' + getStackTraceString(tr)); }
/** * Handy function to get a loggable stack trace from a Throwable * @param tr An exception to log */ public static String getStackTraceString(Throwable tr) { if (tr == null) { return ""; }
// This is to reduce the amount of log spew that apps do in the non-error // condition of the network being unavailable. Throwable t = tr; while (t != null) { if (t instanceof UnknownHostException) { return ""; } t = t.getCause(); }
StringWriter sw = new StringWriter(); PrintWriter pw = new PrintWriter(sw); tr.printStackTrace(pw); pw.flush(); return sw.toString(); }
/** * Low-level logging call. * @param priority The priority/type of this log message * @param tag Used to identify the source of a log message. It usually identifies * the class or activity where the log call occurs. * @param msg The message you would like logged. * @return The number of bytes written. */ public static int println(int priority, String tag, String msg) { return println(LOG_ID_MAIN, priority, tag, msg); }
/** @hide */ public static final int LOG_ID_MAIN = 0; /** @hide */ public static final int LOG_ID_RADIO = 1; /** @hide */ public static final int LOG_ID_EVENTS = 2; /** @hide */ public static final int LOG_ID_SYSTEM = 3; /** @hide */ public static final int LOG_ID_CRASH = 4;
/** @hide */ @SuppressWarnings("unused") public static int println(int bufID, int priority, String tag, String msg) { return 0; } }
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