android Toolbar的使用#

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  compile 'com.android.support:appcompat-v7:25.1.1'
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    compile 'com.android.support:support-v4:25.1.1'
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    compile 'com.android.support:design:25.1.1'

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    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
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        <!-- Customize your theme here. -->
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        <item name="colorPrimary">@color/colorPrimary</item>
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        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
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        <item name="colorAccent">@color/colorAccent</item>
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        <!--增加以下三行，为app去除原有actionBar-->
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        <item name="windowActionBar">false</item>
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        <item name="android:windowNoTitle">true</item>
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        <item name="windowNoTitle">true</item>
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    </style>

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<?xml version="1.0" encoding="utf-8"?>
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<!--colorPrimary是主题使用的颜色，可以value/color.xml中修改-->
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<!--actionBarSize是系统actionBar的高度-->
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<android.support.v7.widget.Toolbar
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    xmlns:android="http://schemas.android.com/apk/res/android"
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    xmlns:app="http://schemas.android.com/apk/res-auto"
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    android:layout_width="match_parent"
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    android:layout_height="?attr/actionBarSize"
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    android:background="?attr/colorPrimary"
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    app:menu="@menu/menu_toolbar"
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    >
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</android.support.v7.widget.Toolbar>

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  <include
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        android:id="@+id/toolbar"
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        layout="@layout/toolbar"
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        />

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<?xml version="1.0" encoding="utf-8"?>
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<menu xmlns:android="http://schemas.android.com/apk/res/android"
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    xmlns:app="http://schemas.android.com/apk/res-auto"
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    >
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    <!--showAsAction如果有足够的空间会显示出来，否则隐藏在工具栏里面-->
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    <item
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        android:id="@+id/search"
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        android:icon="@mipmap/search"
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        android:title="搜索"
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        app:showAsAction="ifRoom"
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        >
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    </item>
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    <item
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        android:id="@+id/write"
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        android:icon="@mipmap/write"
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        android:title="书写"
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        app:showAsAction="ifRoom"
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        >
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    </item>
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    <item
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        android:id="@+id/book"
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        android:icon="@mipmap/book"
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        android:title="书籍"
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        app:showAsAction="ifRoom"
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        >
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    </item>
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</menu>

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@Override
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    protected void onCreate(Bundle savedInstanceState) {
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        super.onCreate(savedInstanceState);
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        setContentView(R.layout.activity_main);
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        final TextView hello= (TextView) findViewById(R.id.hello);
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        Toolbar toolbar= (Toolbar) findViewById(R.id.toolbar);
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        //配置代替actionBar
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        setSupportActionBar(toolbar);
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        //设置图标
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        toolbar.setLogo(getResources().getDrawable(R.mipmap.ic_launcher));
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        toolbar.setNavigationIcon(R.mipmap.ic_launcher);
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        toolbar.setTitle("setTitle主标题");
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        toolbar.setSubtitle("setSubtitle副标题");
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        toolbar.setOnMenuItemClickListener(new Toolbar.OnMenuItemClickListener() {
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            @Override
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            public boolean onMenuItemClick(MenuItem item) {
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                switch (item.getItemId()){
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                    case R.id.search:
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                        hello.setText("您点击了搜索");
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                        break;
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                    case R.id.write:
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                        hello.setText("您点击了书写");
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                        break;
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                    case R.id.book:
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                        hello.setText("您点击了书籍");
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                        break;
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                }
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                return false;
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            }
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        });
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    }
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    @Override
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    public boolean onPrepareOptionsMenu(Menu menu) {
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        getMenuInflater().inflate(R.menu.menu_toolbar,menu);
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        return super.onPrepareOptionsMenu(menu);
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    }