Material Design控件使用学习 toolbar+drawerlayout+ Snackbar

<?xml version="1.0" encoding="utf-8"?>

<android.support.v7.widget.Toolbar xmlns:android="http://schemas.android.com/apk/res/android"
                                   xmlns:app="http://schemas.android.com/apk/res-auto"
                                   android:id="@+id/tl_custom"
                                   android:layout_width="match_parent"
                                   android:layout_height="wrap_content"
                                   android:background="?attr/colorPrimary"
                                   android:minHeight="?attr/actionBarSize"
                                   android:popupTheme="@style/ThemeOverlay.AppCompat.Light"
                                   app:theme="@style/ThemeOverlay.AppCompat.ActionBar">
</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/dl_left"
                                        android:layout_width="match_parent"
                                        android:layout_height="match_parent">
    <!--主布局-->
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">
        <ImageView
            android:id="@+id/iv_main"
            android:layout_width="100dp"
            android:layout_height="100dp" />
    </LinearLayout>
    <!--侧滑菜单-->
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="#fff"
        android:layout_gravity="start">
        <ListView
            android:id="@+id/lv_left_menu"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:divider="@null"
            android:text="DrawerLayout" />
    </LinearLayout>
</android.support.v4.widget.DrawerLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              xmlns:tools="http://schemas.android.com/tools"
              android:layout_width="match_parent"
              android:layout_height="match_parent"
              android:orientation="vertical"
              tools:context=".MainActivity">
    <!--Toolbar-->
    <include layout="@layout/custom_toolbar" />
    <!--DrawerLayout-->
    <include layout="@layout/custom_drawerlayout" />
</LinearLayout>

import android.graphics.Color;
import android.support.design.widget.Snackbar;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.Toolbar;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;

public class MainActivity extends AppCompatActivity {

    private Toolbar toolbar;
    private DrawerLayout drawerlyout;
    private ListView lvLeftMenu;
    private ActionBarDrawerToggle mDrawerToggle;
    private String[] lvs = {"List Item 01", "List Item 02", "List Item 03", "List Item 04"};
    private ArrayAdapter arrayAdapter;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        findViews();
        toolbar.setTitle("Toolbar");
        toolbar.setSubtitleTextColor(Color.parseColor("#ffffff"));
        setSupportActionBar(toolbar);
        getSupportActionBar().setHomeButtonEnabled(true);
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        mDrawerToggle=new ActionBarDrawerToggle(this,drawerlyout,toolbar,R.string.open,R.string.close){
            @Override
            public void onDrawerOpened(View drawerView) {
                super.onDrawerOpened(drawerView);
                Snackbar.make(drawerView, "Open", Snackbar.LENGTH_SHORT).show();
            }

            @Override
            public void onDrawerClosed(View drawerView) {
                super.onDrawerClosed(drawerView);
                Snackbar.make(drawerView, "Close", Snackbar.LENGTH_SHORT).show();
            }
        };
        mDrawerToggle.syncState();
       drawerlyout.setDrawerListener(mDrawerToggle);
        arrayAdapter = new ArrayAdapter(this, android.R.layout.simple_list_item_1, lvs);
        lvLeftMenu.setAdapter(arrayAdapter);

    }

    private void findViews() {

        toolbar= (Toolbar) findViewById(R.id.tl_custom);
        drawerlyout= (DrawerLayout) findViewById(R.id.dl_left);
        lvLeftMenu= (ListView) findViewById(R.id.lv_left_menu);
    }
}