Toolbar

 1 <?xml version="1.0" encoding="utf-8"?>
 2 <android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3     xmlns:app="http://schemas.android.com/apk/res-auto"
 4     xmlns:tools="http://schemas.android.com/tools"
 5     android:layout_width="match_parent"
 6     android:layout_height="match_parent"
 7     tools:context="com.mazingtec.mazing.Hall">
 8 
 9     <android.support.design.widget.AppBarLayout
10         android:layout_width="match_parent"
11         android:layout_height="wrap_content">
12 
13         <android.support.v7.widget.Toolbar
14             android:id="@+id/toolbar"
15             android:layout_width="match_parent"
16             app:navigationIcon="@mipmap/ic_menu_white_48dp"
17             app:titleTextAppearance="@style/TextAppearance.AppCompat.Large"
18             android:layout_height="?attr/actionBarSize"
19             android:background="@color/primary_dark_material_dark">
20 
21         <TextView
22             android:id="@+id/toolbar_title"
23             android:layout_width="wrap_content"
24             android:layout_height="wrap_content"
25             android:layout_gravity="center"
26             android:textAppearance="@style/TextAppearance.AppCompat.Large"
27             android:text="@string/toolbar_title1"
28             android:textSize="20sp" />
29 
30         </android.support.v7.widget.Toolbar>
31 
32     </android.support.design.widget.AppBarLayout>
33 
34     <include layout="@layout/content_main" />
35 
36 </android.support.design.widget.CoordinatorLayout>

1 <?xml version="1.0" encoding="utf-8"?>
2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
3     android:orientation="vertical" android:layout_width="match_parent"
4     android:layout_height="match_parent">
5 
6 </LinearLayout>

1 Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
2         toolbar.setTitle("Hall");
3         setSupportActionBar(toolbar);

 1 <menu xmlns:android="http://schemas.android.com/apk/res/android"
 2     xmlns:app="http://schemas.android.com/apk/res-auto"
 3     xmlns:tools="http://schemas.android.com/tools"
 4     tools:context="com.mazingtec.mazing.Hall">
 5     <item
 6         android:id="@+id/action_search"
 7         android:orderInCategory="80"
 8         android:title="Search"
 9         android:icon="@mipmap/ic_search_white_48dp"
10         app:showAsAction="ifRoom" />
11 </menu>

 1 package com.mazingtec.mazing;
 2 
 3 import android.support.v7.app.AppCompatActivity;
 4 import android.os.Bundle;
 5 import android.support.v7.widget.Toolbar;
 6 import android.view.Menu;
 7 import android.view.MenuItem;
 8 import android.view.View;
 9 import android.widget.Toast;
10 
11 public class Hall extends AppCompatActivity implements View.OnClickListener{
12 
13     @Override
14     protected void onCreate(Bundle savedInstanceState) {
15         super.onCreate(savedInstanceState);
16         setContentView(R.layout.activity_hall);
17 
18         Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
19         toolbar.setTitle("");
20         setSupportActionBar(toolbar);
21         getSupportActionBar().setDisplayHomeAsUpEnabled(true);
22         getSupportActionBar().setHomeButtonEnabled(true);
23     }
24 
25     @Override
26     public void onClick(View v) {
27 
28     }
29 
30     @Override
31     public boolean onCreateOptionsMenu(Menu menu) {
32         // Inflate the menu; this adds items to the action bar if it is present.
33         getMenuInflater().inflate(R.menu.toolbar_menu, menu);
34         return true;
35     }
36 
37     @Override
38     public boolean onOptionsItemSelected(MenuItem item) {
39         // Handle action bar item clicks here. The action bar will
40         // automatically handle clicks on the Home/Up button, so long
41         // as you specify a parent activity in AndroidManifest.xml.
42         int id = item.getItemId();
43 
44         //noinspection SimplifiableIfStatement
45         if (id == R.id.action_search) {
46             Toast.makeText(this, "搜索！", Toast.LENGTH_LONG).show();
47             return true;
48         }
49 
50         if (id == android.R.id.home) {
51             Toast.makeText(this, "哈哈！", Toast.LENGTH_LONG).show();
52             return true;
53         }
54 
55         return super.onOptionsItemSelected(item);
56     }
57 }