Android Toast封装

package com.whoop.mobile.trace.util;

import android.content.Context;
import android.content.res.Resources;
import android.view.Gravity;
import android.widget.Toast;

public class ToastUtil {
private Context mContext;
private Resources mResources;

private ToastUtil() {
super();
}

private ToastUtil(Context context){
this.mContext = context;
this.mResources = context.getResources();
}

public void showShortToast(String msg) {
showToast(mContext, msg, Toast.LENGTH_SHORT);
}

public void showShortToast(int strRes) {
showShortToast(mResources.getString(strRes));
}

public void showLongToast(String msg) {
showToast(mContext, msg, Toast.LENGTH_LONG);
}

public void showLongToast(int strRes) {
showLongToast(mResources.getString(strRes));
}

public void showToast(Context context, String msg, int duration){
showToast(context, msg, duration,Gravity.CENTER);
}
public void showToast(Context context, String msg, int duration,int gravity){
Toast toast = Toast.makeText(context, msg, duration);
toast.setGravity(gravity, 0, 0);
toast.show();
}
}