常用Utils类

LogUtils

import java.text.SimpleDateFormat;
import java.util.Date;

import android.util.Log;

public class LogUtil {
	private static final boolean DEBUG = true;
	
	public static void d(String TAG, String method, String msg) {
		Log.d(TAG, "[" + method + "]" + msg);
	}
	
	public static void d(String TAG, String msg){
		if (DEBUG) {
			Log.d(TAG, "[" + getFileLineMethod() + "]" + msg);
		}
	}
	
	public static void d(String msg){
		if (DEBUG) {
			Log.d(_FILE_(), "[" + getLineMethod() + "]" + msg);
		}
	}
	
	public static void e(String msg){
		if (DEBUG) {
			Log.e(_FILE_(), getLineMethod() + msg);
		}
	}
	
	public static void e(String TAG, String msg){
		if (DEBUG) {
			Log.e(TAG, getLineMethod() + msg);
		}
	}

	public static String getFileLineMethod() {
		StackTraceElement traceElement = ((new Exception()).getStackTrace())[2];
		StringBuffer toStringBuffer = new StringBuffer("[")
				.append(traceElement.getFileName()).append(" | ")
				.append(traceElement.getLineNumber()).append(" | ")
				.append(traceElement.getMethodName()).append("]");
		return toStringBuffer.toString();
	}
	
	public static String getLineMethod() {
		StackTraceElement traceElement = ((new Exception()).getStackTrace())[2];
		StringBuffer toStringBuffer = new StringBuffer("[")
				.append(traceElement.getLineNumber()).append(" | ")
				.append(traceElement.getMethodName()).append("]");
		return toStringBuffer.toString();
	}

	public static String _FILE_() {
		StackTraceElement traceElement = ((new Exception()).getStackTrace())[2];
		return traceElement.getFileName();
	}

	public static String _FUNC_() {
		StackTraceElement traceElement = ((new Exception()).getStackTrace())[1];
		return traceElement.getMethodName();
	}

	public static int _LINE_() {
		StackTraceElement traceElement = ((new Exception()).getStackTrace())[1];
		return traceElement.getLineNumber();
	}

	public static String _TIME_() {
		Date now = new Date();
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
		return sdf.format(now);
	}
}

ToastUtil

public class ToastUtil { 
 
 
	private static Toast toast;
 
 
	public static void showTextLong(Context context, String text) {
		if (toast == null) {
			toast = Toast.makeText(context, text, Toast.LENGTH_LONG);
		} else { 
			toast.setText(text);
			toast.setDuration(Toast.LENGTH_LONG);
		} 
		toast.show();
	} 
 
 
	public static void showTextShort(Context context, String text) {
		if (toast == null) {
			toast = Toast.makeText(context, text, Toast.LENGTH_SHORT);
		} else { 
			toast.setText(text);
			toast.setDuration(Toast.LENGTH_SHORT);
		} 
		toast.show();
	} 
 
 
	public static void cancelToast() { 
		if (toast != null) {
			toast.cancel();
		} 
	} 
}