android toolbar效果2 _ToolBar

风流不在谈锋胜，袖手无言味最长。这篇文章主要讲述android toolbar效果2相关的知识，希望能为你提供帮助。

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只有一个按钮的情况

< resources>
< string name="app_name"> 照片< /string>
< /resources>
styles.xml

< resources>

< !-- Base application theme. -->
< 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>

< !-- Toolbar styles -->
< item name="toolbarStyle"> @style/Widget.AppCompat.Toolbar< /item>
< /style>

< /resources>

【android toolbar效果2】mainActivity.java

Toolbar myToolbar = (Toolbar) findViewById(R.id.my_toolbar);
setSupportActionBar(myToolbar);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);

activity_main.xml

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< ?xml version="1.0" encoding="utf-8"?> < android.support.constraint.ConstraintLayout 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:layout_width="match_parent" android:layout_height="match_parent" tools:context="com.homelink.testtoolbar7.MainActivity"> < android.support.v7.widget.Toolbar style="style/toolbarStyle" android:id="@+id/my_toolbar" xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="wrap_content" android:background="?attr/colorPrimary" android:minHeight="?attr/actionBarSize"> < ImageView android:id="@+id/bluetoothState" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="https://www.songbingjia.com/android/@drawable/fm_detailitem_walk" android:contentDescription="content_description_bluetooth_status" android:padding="8dp" android:layout_marginRight="10dp" android:layout_gravity="right"/> < /android.support.v7.widget.Toolbar> < TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Hello World!" app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintLeft_toLeftOf="parent" app:layout_constraintRight_toRightOf="parent" app:layout_constraintTop_toTopOf="parent" /> < /android.support.constraint.ConstraintLayout>

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