Android自定义Toolbar使用方法详解

<android.support.v7.widget.Toolbar
    android:id="@+id/toolbar"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="@color/colorPrimary"/>

Toolbar toolBar= (Toolbar) findViewById(R.id.toolbar);
toolBar.setLogo(R.mipmap.ic_launcher);//设置图标
toolBar.setTitle("Title");//设置主标题
toolBar.setSubtitle("smalltitle");//设置子标题

<com.example.cjj.test.bean.MyToolBar
    android:id="@+id/toolbar"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="?attr/colorPrimary"
    android:minHeight="?attr/actionBarSize"
    android:layout_centerInParent="true"
    android:layout_gravity="center"
  >
  </com.example.cjj.test.bean.MyToolBar>

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

  android:layout_width="match_parent"
  android:layout_height="match_parent">

  <ImageButton
    android:id="@+id/mLeftButton"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignParentLeft="true"
    android:layout_centerVertical="true"
    android:background="?attr/colorPrimary"
    /> 
  <TextView
    android:id="@+id/toolbar_title"
    android:text="title"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_centerInParent="true"
    android:layout_gravity="center"
    android:gravity="center"
    android:textColor="@color/white"
    android:textSize="20sp"
    />
  <ImageButton
    android:id="@+id/mRightButton"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignParentRight="true"
    android:layout_centerVertical="true"
    android:background="?attr/colorPrimary"/>
</RelativeLayout>

public class MyToolBar extends Toolbar {
  //布局
  private LayoutInflater mInflater; 
  //右边按钮
  private ImageButton mRightButton;
  //左边按钮
  private ImageButton mLeftButton;
  //标题
  private TextView mTextTitle;

  private View view;

  public MyToolBar(Context context) {
    this(context,null);
  }

  public MyToolBar(Context context, AttributeSet attrs) {
    this(context, attrs, 0);
  }
  public MyToolBar(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);

    //初始化函数
    initView();
    setContentInsetsRelative(10, 10);
    if (attrs != null) {
       setLeftButtonIcon(R.mipmap.back_icon);//设置左图标
        //设置点击事件
        setLeftButtonOnClickLinster(new OnClickListener() {
          @Override
          public void onClick(View v) {
            Toast.makeText(getContext(),"left",Toast.LENGTH_SHORT).show();
          }
        });
        setRightButtonIcon(R.mipmap.nav_more);//设置右图标
         //设置点击事件
        setRightButtonOnClickLinster(new OnClickListener() {
          @Override
          public void onClick(View v) {
            Toast.makeText(getContext(), "right", Toast.LENGTH_SHORT).show();
          }
        });
    }
  }
 private void initView() {
    if(view==null){
      //初始化
      mInflater= LayoutInflater.from(getContext());
      //添加布局文件
      view=mInflater.inflate(R.layout.toolbar,null);
      //绑定控件
      mEditSearchView= (EditText) view.findViewById(R.id.toolbar_searchview);
      mTextTitle= (TextView) view.findViewById(R.id.toolbar_title);
      mLeftButton= (ImageButton) view.findViewById(R.id.mLeftButton);
      mRightButton= (ImageButton) view.findViewById(R.id.mRightButton);

      LayoutParams layoutParams = new LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT, Gravity.CENTER_HORIZONTAL);
      addView(view, layoutParams);
    }
  }
   public void setRightButtonIcon(int icon){

    if(mRightButton !=null){

      mRightButton.setImageResource(icon);
      // mRightButton.setVisibility(VISIBLE);
    }

  }
  public void setLeftButtonIcon(int icon){

    if(mLeftButton !=null){

      mLeftButton.setImageResource(icon);
      //mLeftButton.setVisibility(VISIBLE);
    }

  }

  //设置右侧按钮监听事件
  public void setRightButtonOnClickLinster(OnClickListener linster) {
    mRightButton.setOnClickListener(linster);
  }

  //设置左侧按钮监听事件
  public void setLeftButtonOnClickLinster(OnClickListener linster) {
    mLeftButton.setOnClickListener(linster);
  }