<android.support.v7.widget.Toolbar
 android:id="@+id/toolbar"
 android:layout_width="match_parent"
 android:layout_height="?attr/actionBarSize"/>

Theme.AppCompat.Light.NoActionBar

 setContentView(R.layout.activity_main);
 Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
 setSupportActionBar(toolbar);

android:background="@color/colorPrimary"

<android.support.v7.widget.Toolbar
 android:id="@+id/toolbar"
 android:layout_width="match_parent"
 android:layout_height="?attr/actionBarSize"
 android:background="@color/colorPrimary"
 app:navigationIcon="@mipmap/title_bar_back"//左侧图标
 app:subtitle="子标题"
 app:subtitleTextColor="#fff" //标题颜色
 app:title="标题"
 app:titleTextColor="#fff"/> //子标题颜色

 <menu 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"
 tools:context=".MainActivity">
 <item
 android:id="@+id/action_settings"
 android:icon="@mipmap/ic_launcher"
 android:orderInCategory="100"
 android:title="settings"
 app:showAsAction="never"/>
 <item
 android:id="@+id/action_share"
 android:icon="@mipmap/ic_action_share"
 android:orderInCategory="100"
 android:title="settings"
 app:showAsAction="ifRoom"/>
 <item
 android:id="@+id/action_search"
 android:icon="@mipmap/ic_action_search"
 android:orderInCategory="100"
 android:title="settings"
 app:showAsAction="ifRoom"/>
 </menu>

@Override
public boolean onCreateOptionsMenu(Menu menu) {
 getMenuInflater().inflate(R.menu.menu_main, menu);
 return true;
}

app:navigationIcon="@mipmap/title_bar_back"

getSupportActionBar().setHomeButtonEnabled(true); //设置返回键可用
getSupportActionBar().setDisplayHomeAsUpEnabled(true);

 <!-- 溢出菜单图标颜色-->
<item name="colorControlNormal">@android:color/white</item>

<style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
 <!-- Customize your theme here. -->
 <item name="colorPrimary">@color/colorPrimary</item>
 <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
 <item name="colorAccent">@color/colorAccent</item>
 <!-- 溢出菜单图标颜色-->
 <item name="colorControlNormal">@android:color/white</item>
 <!-- 溢出菜单图标自定义-->
 <item name="android:actionOverflowButtonStyle">@style/OverflowButtonStyle</item>
 </style>

 <style name="OverflowButtonStyle" parent="android:Widget.ActionButton.Overflow">
 <item name="android:src">@mipmap/ic_action_add</item>
 </style>

app:popupTheme="@style/ToolbarPopupTheme"

<style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
  <!-- Customize your theme here. -->
  <item name="colorPrimary">@color/colorPrimary</item>
  <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
  <item name="colorAccent">@color/colorAccent</item>
  <!-- 溢出菜单图标颜色-->
  <item name="colorControlNormal">@android:color/white</item>
  <item name="android:actionOverflowButtonStyle">@style/OverflowButtonStyle</item>
  <!-- 溢出菜单文字颜色-->
  <item name="textAppearanceLargePopupMenu">@style/Overflow_Menu_Text_style</item>
 </style>
 <!--溢出菜单文字颜色-->
 <style name="Overflow_Menu_Text_style" parent="@style/TextAppearance.AppCompat.Widget.PopupMenu.Large">
  <item name="android:textColor">#fff</item>
 </style>

 app:titleTextAppearance="@style/ToolbarTitleSize"

 <!-- toolbar标题文字大小 -->
 <style name="ToolbarTitleSize" parent="@style/TextAppearance.Widget.AppCompat.Toolbar.Title">
  <item name="android:textSize">28sp</item>
 </style>

app:subtitleTextAppearance="@style/ToolbarTitleSize"

app:popupTheme="@style/OverflowMenuStyle"

<style name="OverflowMenuStyle">
  <!-- 是否覆盖锚点，默认为true，即盖住Toolbar -->
  <item name="overlapAnchor">false</item>
  <item name="android:dropDownWidth">wrap_content</item>
  <item name="android:paddingRight">5dp</item>
  <!-- 弹出层背景颜色 -->
  <item name="android:colorBackground">#FFCC99</item>
  <!-- 弹出层垂直方向上的偏移，即在竖直方向上距离Toolbar的距离，值为负则会盖住Toolbar -->
  <item name="android:dropDownVerticalOffset">5dp</item>
  <!-- 弹出层水平方向上的偏移，即距离屏幕左边的距离，负值会导致右边出现空隙 -->
  <item name="android:dropDownHorizontalOffset">0dp</item>
  <!-- 设置弹出菜单文字颜色 -->
  <item name="android:textColor">#0099CC</item>
 </style>

toolbar.setNavigationOnClickListener(new View.OnClickListener() {
   @Override
   public void onClick(View v) {
    Toast.makeText(getApplicationContext(), "点击了返回箭头", Toast.LENGTH_LONG).show();
   }
  });

 @Override
 public boolean onOptionsItemSelected(MenuItem item) {
  switch (item.getItemId()) {
   case R.id.action_settings:
    break;
   case R.id.action_search:
    break;
   case R.id.action_share:
    break;
  }
  return true;
 }

<android.support.v7.widget.Toolbar
  android:layout_width="match_parent"
  android:layout_height="?attr/actionBarSize">

  <RelativeLayout
   android:layout_width="match_parent"
   android:layout_height="match_parent">
   ......
   </RelativeLayout>
 </android.support.v7.widget.Toolbar>

 <?xml version="1.0" encoding="utf-8"?>
 <android.support.v4.widget.DrawerLayout 
 xmlns:android="http://schemas.android.com/apk/res/android"
 android:id="@+id/drawer_left"
 android:layout_width="match_parent"
 android:layout_height="match_parent">
 <!--侧滑菜单-->
 <LinearLayout
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:layout_gravity="start"
  android:background="#CCCCFF"
  android:orientation="vertical">

  <TextView
   android:layout_width="match_parent"
   android:layout_height="wrap_content"
   android:padding="10dp"
   android:text="选项一"
   android:textSize="18sp"/>

  <TextView
   android:layout_width="match_parent"
   android:layout_height="wrap_content"
   android:padding="10dp"
   android:text="选项二"
   android:textSize="18sp"/>
 </LinearLayout>
</android.support.v4.widget.DrawerLayout>

<!--DrawerLayout-->
<include layout="@layout/custom_drawerlayout"/>

DrawerLayout mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_left);
 ActionBarDrawerToggle mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, toolbar, R.string.open, R.string.close);
 mDrawerToggle.syncState();
 mDrawerLayout.setDrawerListener(mDrawerToggle);