头布局

package com.exbawei.liteli.homework.Title;

import android.content.Context;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.widget.ImageView;
import android.widget.LinearLayout;

import com.exbawei.liteli.homework.R;

/**
 * Created by li te li on 2017/9/5.
 */

public class title extends LinearLayout{

    ImageView iv1;
    ImageView iv2;
    ImageView iv3;
    public title(Context context) {
        super(context);
        inint(context);
    }

    public title(Context context, AttributeSet attrs) {
        super(context, attrs);
        inint(context);
    }

    public title(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        inint(context);
    }

//    public title(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
//        super(context, attrs, defStyleAttr, defStyleRes);
//    }
    public  void setLeft(OnClickListener onClickListener){
        iv1.setOnClickListener(onClickListener);
    }
    public  void inint(Context context){
        LayoutInflater.from(context).inflate(R.layout.title,this);
         iv1= (ImageView) findViewById(R.id.iv1);
         iv2= (ImageView) findViewById(R.id.iv2);
         iv3= (ImageView) findViewById(R.id.iv3);
    }
}



title tit= (title) findViewById(R.id.tit);
tit.setLeft(new View.OnClickListener() {
    @Override
    public void onClick(View view) {
Toast.makeText(MainActivity.this,"ggggggggggg",Toast.LENGTH_LONG).show();

    }
});

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="horizontal" android:layout_width="match_parent"
    android:layout_height="match_parent"
    >
<ImageView
    android:layout_width="0dp"
    android:layout_height="50dp"
    android:layout_weight="1"
    android:id="@+id/iv1"
    android:src="@drawable/default_sdk_login"/>
<ImageView
    android:layout_width="0dp"
    android:layout_height="50dp"
    android:layout_weight="1"
    android:id="@+id/iv2"
    android:src="@drawable/detail_loading"/>
    <ImageView
        android:layout_width="0dp"
        android:layout_height="50dp"
        android:layout_weight="1"
        android:id="@+id/iv3"
        android:src="@drawable/detail_search_icon"/>
</LinearLayout>
 
<com.exbawei.liteli.homework.Title.title
    android:layout_width="match_parent"
    android:layout_height="50dp"
    android:id="@+id/tit"
    android:layout_alignParentTop="true"
    android:layout_alignParentLeft="true"
    android:layout_alignParentStart="true"></com.exbawei.liteli.homework.Title.title>