android logger

import android.util.Log;

public class Logger {

	public static int level = Log.DEBUG;
	
	public static void debug(String msg) {
		if (level <= Log.DEBUG) {
			Log.d(createTag(), msg);
		}
	}
	
	public static void debug(String msg, Throwable tr) {
		if (level <= Log.DEBUG) {
			Log.d(createTag(), msg, tr);
		}
	}
	
	public static void info(String msg) {
		if (level <= Log.INFO) {
			Log.i(createTag(), msg);
		}
	}
	
	public static void info(String msg, Throwable tr) {
		if (level <= Log.INFO) {
			Log.i(createTag(), msg, tr);
		}
	}
	
	public static void warn(String msg) {
		if (level <= Log.WARN) {
			Log.w(createTag(), msg);
		}
	}
	
	public static void warn(String msg, Throwable tr) {
		if (level <= Log.WARN) {
			Log.w(createTag(), msg, tr);
		}
	}
	
	public static void error(String msg) {
		if (level <= Log.ERROR) {
			Log.e(createTag(), msg);
		}
	}
	
	public static void error(String msg, Throwable tr) {
		if (level <= Log.ERROR) {
			Log.e(createTag(), msg, tr);
		}
	}
	
	private static String createTag() {
		StackTraceElement[] sts = Thread.currentThread().getStackTrace();
		if (sts == null) {
			return null;
		}
		for (StackTraceElement st : sts) {
			if (st.isNativeMethod()) {
				continue;
			}
			if (st.getClassName().equals(Thread.class.getName())) {
				continue;
			}
			if (st.getClassName().equals(Logger.class.getName())) {
				continue;
			}
			return st.getLineNumber() + ":" + st.getFileName();
		}
		return "";
	}
}

 打出来的Log样式：

19:Test.java | xxxxxxxxx