sheishuoAPP/app/src/com/sheishuo/app/common/views/BaseToolbar.java

package com.sheishuo.app.common.views;

import android.content.Context;
import android.support.annotation.ColorInt;
import android.support.annotation.Nullable;
import android.support.v7.widget.Toolbar;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.bumptech.glide.Glide;
import com.sheishuo.app.R;
import com.sheishuo.app.common.util.img.ImgUtil;

import java.util.ArrayList;
import java.util.List;

import okhttp3.FormBody;

/**
 * Created by KN on 2017/7/20.
 */

public class BaseToolbar extends Toolbar {

    private final String TITLE = "title",LEFT_TEXT = "left_text",RIGHT_TEXT = "right_text";
    private static Context context;
    private String titleStr = "",leftStr = "",rightStr = "";
    private TextView titleTV,leftTV,rightTV;
    private LinearLayout icoLayout;

    public interface IcoBtnClickListener{
        void onClick(View view);
    }


    public BaseToolbar(Context context, @Nullable AttributeSet attrs) {
        super(context, attrs);
        this.context = context;
        View view = LayoutInflater.from(context).inflate(R.layout.base_toolbar,this,true);
        findViews(view);
        assert attrs != null;
        int count = attrs.getAttributeCount();
        for (int index = 0; index < count; index++) {
            String attributeName = attrs.getAttributeName(index);
            switch (attributeName){
                case TITLE:
                    if (attrs.getAttributeValue(index) != null)
                        titleTV.setText(titleStr = attrs.getAttributeValue(index));
                    break;
                case LEFT_TEXT:
                    if (attrs.getAttributeValue(index) != null)
                        leftTV.setText(leftStr = attrs.getAttributeValue(index));
                    break;
                case RIGHT_TEXT:
                    if (attrs.getAttributeValue(index) != null)
                        rightTV.setText(rightStr = attrs.getAttributeValue(index));
                    break;

            }
        }


    }


    private void findViews(View view){
        titleTV = (TextView) view.findViewById(R.id.toolbar_title);
        leftTV = (TextView) view.findViewById(R.id.toolbar_left);
        rightTV = (TextView) view.findViewById(R.id.toolbar_right);
        icoLayout = (LinearLayout) view.findViewById(R.id.toolbar_ico_layout);
    }


    public TextView getTitleTV() {
        return titleTV;
    }

    public TextView getLeftTV() {
        return leftTV;
    }

    public TextView getRightTV() {
        return rightTV;
    }


    public void init(){
        titleTV.setVisibility(INVISIBLE);
        leftTV.setVisibility(INVISIBLE);
        rightTV.setVisibility(INVISIBLE);
        icoLayout.removeAllViews();
        icoLayout.setVisibility(GONE);
        titleTV.setOnClickListener(null);
        leftTV.setOnClickListener(null);
        rightTV.setOnClickListener(null);
        this.setLogo(null);
    }







    public void setTitle(String title){
        getTitleTV().setText(title);
        titleTV.setVisibility(VISIBLE);
    }

    public void setLeftText(String leftStr){
        getLeftTV().setText(leftStr);
        leftTV.setVisibility(VISIBLE);

    }

    public void setRightText(String rightStr){
        getRightTV().setText(rightStr);
        rightTV.setVisibility(VISIBLE);

    }

    public LinearLayout getIcoLayout() {
        return icoLayout;
    }

    public void setIcoLayout(LinearLayout icoLayout) {
        this.icoLayout = icoLayout;
    }




    /**************用于为BaseToolbar增加额外功能***************/


    public static class Builder implements OnClickListener{

        BaseToolbar toolbar;
        private List<Integer> icoIds = new ArrayList<>();
        IcoBtnClickListener listener;
        Context context;

        public Builder create(Context context,@Nullable BaseToolbar toolbar){
            if (toolbar == null){
                this.toolbar = new BaseToolbar(context,null);
            }else {
                this.toolbar = toolbar;
            }

            this.context = context;

            return this;
        }



        /**
         * 为Toolbar添加一个图标按钮
         *
         * 为了保证布局显示正常，若添加ico按钮则自动隐藏Right_Text
         * @param resId
         */
        public BaseToolbar.Builder addIcoButton(int resId){
                toolbar.rightTV.setVisibility(GONE);
                toolbar.icoLayout.setVisibility(VISIBLE);
                ImageView icoView = new ImageView(context);
                icoView.setAdjustViewBounds(true);
                int dpToPixel = (int) ImgUtil.convertDpToPixel(24,context);
                Glide.with(context)
                        .load(resId)
                        .override(dpToPixel,dpToPixel)
                        .into(icoView);
                toolbar.icoLayout.addView(icoView);
                icoIds.add(resId);
                return this;
        }


        public BaseToolbar.Builder addIcoButtonClickListener(int index,IcoBtnClickListener listener){
                this.listener = listener;
                toolbar.getIcoLayout().getChildAt(0).setOnClickListener(this);
                return this;
        }

        public BaseToolbar build(){
                return toolbar;
        }



        @Override
        public void onClick(View v) {
            if (listener != null) listener.onClick(v);
        }
    }




}