主类:
package com.example.day03lx;
import android.os.Bundle;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.TextView;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity {
private TextView textView;
private Toolbar toolbar;
private DrawerLayout drawerLayout;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initView();
//************一定要设置toolBar要不然不出效果*********************
setSupportActionBar(toolbar);
toolbar.setSubtitle("子标题");
ActionBar supportActionBar = getSupportActionBar();
if (supportActionBar != null) {
supportActionBar.setDisplayHomeAsUpEnabled(true);
supportActionBar.setHomeAsUpIndicator(android.R.drawable.arrow_up_float);
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.item, menu);
return super.onCreateOptionsMenu(menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
int itemId = item.getItemId();
switch (itemId) {
case R.id.add:
Toast.makeText(this, "增加", Toast.LENGTH_SHORT).show();
break;
case R.id.delete:
Toast.makeText(this, "删除", Toast.LENGTH_SHORT).show();
break;
case R.id.seath:
//********************
item.collapseActionView();
break;
case android.R.id.home:
//********************
drawerLayout.openDrawer(GravityCompat.START);
break;
}
return super.onOptionsItemSelected(item);
}
private void initView() {
textView = (TextView) findViewById(R.id.textView);
toolbar = (Toolbar) findViewById(R.id.toolbar);
drawerLayout = (DrawerLayout) findViewById(R.id.drawerLayout);
}
}
主布局:
<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout 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"
android:id="@+id/drawerLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<!--android:layout_gravity="left"最为主要******-->
<!--表示从左边进来-->
<TextView
android:id="@+id/textView"
android:layout_width="50dp"
android:layout_height="match_parent"
android:layout_gravity="left"
android:background="@color/colorAccent"
android:text="我是侧栏目" />
<!--ToolBar外面一定要有个布局嵌套,要不然不出效果-->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
app:title="我的信息"
android:layout_width="match_parent"
android:layout_height="50dp"
android:background="@color/colorPrimary">
</android.support.v7.widget.Toolbar>
</LinearLayout>
</android.support.v4.widget.DrawerLayout>
manu->item:
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto">
<item
android:id="@+id/add"
android:title="添加"
app:showAsAction="never"
>
</item>
<item
android:id="@+id/delete"
android:title="删除"
android:icon="@android:drawable/ic_delete"
app:showAsAction="ifRoom|withText">
</item>
<item
android:id="@+id/seath"
android:title="搜索"
app:showAsAction="always|withText"
app:actionViewClass="android.widget.SearchView">
</item>
</menu>
values->styles.xml:
<resources>
<!-- Base application theme. -->
<!--DarkActionBar改为NoActionBar-->
<!--表示本来的主题没有了,可以自定义他的标题了-->
<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>
</style>
</resources>
效果:
menu->item中:
一.设置每个item的显示方式:app:showAsAction="",有以下五个属性:
1.always:表示总是在标题栏显示
2.never:表示会在那三个点点中显示
3.ifRoom:表示那一行如果有空间就在上面显示,没有空间的话就在三个点点钟显示
4.withText:表示显示的时候,连并文字一块显示
5.collapseActionView:表示点击的时候跟随者一个控件
二.设置图标的样式 android:icon="@android:---"
drawable/ic_delete 表示 X
drawable/ic_menu_set_as
drawable/title_bar