Android项目中利用组合控件自定义全局的顶部标题栏

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="50dp">
    <ImageView
        android:id="@+id/iv_back"
        android:layout_width="30dp"
        android:layout_height="30dp"
        android:layout_marginLeft="20dp"
        android:src="@drawable/icon_back"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintTop_toTopOf="parent" />
    <TextView
        android:id="@+id/tv_title"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="标题"
        android:textColor="#000"
        android:textSize="16sp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent" />
    <TextView
        android:id="@+id/tv_more"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="更多"
        android:textColor="#000"
        android:textSize="16sp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent" />
    <ImageView
        android:id="@+id/iv_more"
        android:layout_width="30dp"
        android:layout_height="30dp"
        android:src="@drawable/icon_more"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent" />
</android.support.constraint.ConstraintLayout>

import android.content.Context;
import android.content.res.TypedArray;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.TextView;
/**
 * @Author : 张
 * @Email : manitozhang@foxmail.com
 * @Date : 2018/9/19
 *
 * 一个简单的自定义标题栏
 */
public class CustomTitleBar extends RelativeLayout {
    private ImageView ivBack;
    private TextView tvTitle;
    private TextView tvMore;
    private ImageView ivMore;
    public CustomTitleBar(Context context, AttributeSet attrs) {
        super(context, attrs);
        initView(context,attrs);
    }
    //初始化视图
    private void initView(final Context context, AttributeSet attributeSet) {
        View inflate = LayoutInflater.from(context).inflate(R.layout.layout_titlebar, this);
        ivBack = inflate.findViewById(R.id.iv_back);
        tvTitle = inflate.findViewById(R.id.tv_title);
        tvMore = inflate.findViewById(R.id.tv_more);
        ivMore = inflate.findViewById(R.id.iv_more);
        init(context,attributeSet);
    }
    //初始化资源文件
    public void init(Context context, AttributeSet attributeSet){
        TypedArray typedArray = context.obtainStyledAttributes(attributeSet, R.styleable.CustomTitleBar);
        String title = typedArray.getString(R.styleable.CustomTitleBar_title);//标题
        int leftIcon = typedArray.getResourceId(R.styleable.CustomTitleBar_left_icon, R.drawable.icon_back);//左边图片
        int rightIcon = typedArray.getResourceId(R.styleable.CustomTitleBar_right_icon, R.drawable.icon_more);//右边图片
        String rightText = typedArray.getString(R.styleable.CustomTitleBar_right_text);//右边文字
        int titleBarType = typedArray.getInt(R.styleable.CustomTitleBar_titlebar_type, 10);//标题栏类型,默认为10
        //赋值进去我们的标题栏
        tvTitle.setText(title);
        ivBack.setImageResource(leftIcon);
        tvMore.setText(rightText);
        ivMore.setImageResource(rightIcon);
        //可以传入type值,可自定义判断值
        if(titleBarType == 10){//不传入,默认为10,显示更多 文字,隐藏更多图标按钮
            ivMore.setVisibility(View.GONE);
            tvMore.setVisibility(View.VISIBLE);
        }else if(titleBarType == 11){//传入11,显示更多图标按钮,隐藏更多 文字
            tvMore.setVisibility(View.GONE);
            ivMore.setVisibility(View.VISIBLE);
        }
    }
    //左边图片点击事件
    public void setLeftIconOnClickListener(OnClickListener l){
        ivBack.setOnClickListener(l);
    }
    //右边图片点击事件
    public void setRightIconOnClickListener(OnClickListener l){
        ivMore.setOnClickListener(l);
    }
    //右边文字点击事件
    public void setRightTextOnClickListener(OnClickListener l){
        tvMore.setOnClickListener(l);
    }
}

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <declare-styleable name="CustomTitleBar">
        <attr name="title" format="string"/>
        <attr name="left_icon" format="reference"/>
        <attr name="right_icon" format="reference"/>
        <attr name="right_text" format="string"/>
        <attr name="titlebar_type" format="integer"/>
    </declare-styleable>
</resources>

<com.titlebar.CustomTitleBar
        android:id="@+id/titlebar"
        android:background="#DCDCDC"
        app:right_icon="@drawable/icon_more"
        app:right_text="更多"
        app:titlebar_type="11"
        app:left_icon="@drawable/icon_back"
        app:title="我是标题"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"></com.titlebar.CustomTitleBar>

CustomTitleBar titleBar = findViewById(R.id.titlebar);
        titleBar.setLeftIconOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Toast.makeText(MainActivity.this, "左边", Toast.LENGTH_SHORT).show();
            }
        });