CustomerToast.java example

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AndroidProjectStroe-master
package com.jiuqi.njt.widget;


import com.jiuqi.njt.R;
import com.jiuqi.njt.util.ActivityUtil;
import com.jiuqi.njt.util.Constants;

import android.content.Context;
import android.graphics.drawable.Drawable;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;


public class CustomerToast extends Toast {  

	public CustomerToast(Context context) {
		super(context);
	}

	private Context context;
	private ImageView  imageView;
	private TextView  textView;
    private LinearLayout toastLayout;
	
    public  Toast makeText(Context context, int resId, CharSequence text, int duration) {  
        Toast result = new Toast(context);  
        this.context = context;
        //获取LayoutInflater对象  
        LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);   
        //由layout文件创建一个View对象  
        View layout = inflater.inflate(R.layout.customer_toast_layout, null);  
          
        //实例化ImageView和TextView对象 
        toastLayout = (LinearLayout) layout.findViewById(R.id.toast_layout);
        imageView = (ImageView) layout.findViewById(R.id.toast_img);  
        textView = (TextView) layout.findViewById(R.id.toast_tv);  
          
        if(resId != 0){
        	imageView.setImageResource(resId);  
        }else{
        	imageView.setImageResource(R.drawable.warn_icon);  
        }
        textView.setText(text);  
        
        setLayoutSize(toastLayout);
        setImageSize(imageView);
        setTextviewSize(textView);
        
        result.setView(layout);  
        result.setGravity(Gravity.CENTER_VERTICAL, 0, 0);  
        result.setDuration(duration);  
        
        return result;  
    }  
  
    private void setLayoutSize(LinearLayout view){
    	int margin = (int) (ActivityUtil.getWindowWidth(context) * 0.05);
    	
    	Drawable  backgroud = view.getBackground();
    	backgroud.setBounds(0, 0, (int)(margin * 4), (int)(margin * 3));
 
    }
    
    private void setImageSize(ImageView view){
    	LinearLayout.LayoutParams mParams =   (android.widget.LinearLayout.LayoutParams) view.getLayoutParams();
		mParams.height =  (int) (ActivityUtil.getWindowWidth(context) * 0.1);
		mParams.width = (int) (ActivityUtil.getWindowWidth(context) * 0.1);
		mParams.setMargins(0, 0, (int) (ActivityUtil.getWindowWidth(context) * 0.05), 0);
		view.setLayoutParams(mParams);
    }
    
    private void setTextviewSize(TextView view){
    	Constants.setFontSize(view,(int)(Constants.TITLE_TEXTSIZE * ActivityUtil.getWindowWidth(context) ));
    }

}