一、 ToastView.java


 1 import android.content.Context; 2 import android.view.LayoutInflater; 3 import android.view.View; 4 import android.widget.ImageView; 5 import android.widget.LinearLayout; 6 import android.widget.TextView; 7 import android.widget.Toast; 8  9 10 public class ToastView extends LinearLayout{11     private static ToastView mToastView;12     13     private TextView toastText;14     private ImageView toastIcon;15     private Context mContext;16     17     private View layout;18     private Toast mToast;19     20 21     private ToastView(Context context) {22         super(context,null);23         mContext = context;24         LayoutInflater inflater = (LayoutInflater)mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);  25         layout = inflater.inflate(R.layout.toast, null);  26         27         toastIcon = (ImageView) layout.findViewById(R.id.toastIcon);28         toastText = (TextView) layout.findViewById(R.id.toastText);29     }30     31     public static ToastView getInstance(Context context) {32         if (mToastView != null) {33             return mToastView;34         } else {35             if (context != null) {36                 mToastView = new ToastView(context);37                 return mToastView;38             } else {39                 return null;40             }41         }42     }43     44     public void setIconVisiblity(int visiblity){45         toastIcon.setVisibility(visiblity);46     }47     48     public void showToast(String str,int gravity,int xoffset,int yoffest) {49         toastText.setText(str);50         51         if(mToast!=null){52             mToast.setGravity(gravity,xoffset,yoffest);53             mToast.show();54         }else{55             mToast= new Toast(mContext);56             mToast.setView(layout);  57             mToast.setGravity(gravity,xoffset,yoffest);58             mToast.setDuration(Toast.LENGTH_SHORT);59             mToast.show();60         }61     }62     63     public void showToast(String str,int gravity,int xoffset,int yoffest,int duration) {64         toastText.setText(str);65         duration = duration<=0 ? Toast.LENGTH_SHORT : duration;66         67         if(mToast!=null){68             mToast.setGravity(gravity,xoffset,yoffest);69             mToast.setDuration(duration);70             mToast.show();71         }else{72             mToast= new Toast(mContext);73             mToast.setView(layout);  74             mToast.setGravity(gravity,xoffset,yoffest);75             mToast.setDuration(duration);76             mToast.show();77         }78     }79 80 }

 1 <?xml version="1.0" encoding="utf-8"?> 2 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 3     android:layout_width="fill_parent" 4     android:layout_height="wrap_content" 5     android:gravity="center_vertical"> 6  7  8     <TextView 9         android:id="@+id/toastText"10         android:layout_width="wrap_content"11         android:layout_height="@dimen/toastHeight"12         android:textColor="@color/title_text_color"13         android:background="@drawable/toast_bg"14         android:gravity="center"15         android:paddingLeft="@dimen/toastTextPaddingLeft"16         android:paddingRight="@dimen/toastTextPaddingRight"17         android:textSize="@dimen/toastTextSize"/>18     19     <ImageView20         android:id="@+id/toastIcon"21         android:layout_width="@dimen/toastIconWidth"22         android:layout_height="@dimen/toastIconWidth"23         android:layout_marginLeft="@dimen/toastIconWidth"24         android:scaleType="fitXY"25         android:layout_centerVertical="true"26         android:src="@drawable/toast_icon" />27 </RelativeLayout>

        //自定义的    private void showToast(String str, int offset) {        ToastView toast = ToastView.getInstance(RecommendActivity.this);         if(offset < 0){            toast.showToast(str, Gravity.TOP | Gravity.CENTER_HORIZONTAL,0,　　　　//默认时长的Toast                    (int)getResources().getDimension(R.dimen.defaultToastMarginTop));        }else{            toast.showToast(str, Gravity.TOP | Gravity.CENTER_HORIZONTAL,0,　　　　//自定义时长的Toast                    (int)getResources().getDimension(R.dimen.defaultToastMarginTop), offset);        }    }