我的工具栏未显示在API级别19(Kitkat)上，而显示在API级别21 [英] My Toolbar is not shown on API level 19 (Kitkat) while it is shown for API level 21
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问题描述
我的代码未在Kitkat上显示工具栏.
这是我的两个Android版本的ScreenShot.
My Code is not showing the Toolbar on Kitkat .
Here is my ScreenShot for both the version of Android.
Kitkat版本:
棒棒糖版本:
这可能是什么原因.
清单文件
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.global.market">
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<application
android:allowBackup="true"
android:icon="@mipmap/image_front"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity
android:name=".MainActivity"
android:label="@string/app_name"
android:theme="@style/AppTheme.NoActionBar">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name=".detailactivity"
android:label="@string/app_name" />
<activity
android:name="com.google.android.gms.ads.AdActivity"
android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|uiMode|screenSize|smallestScreenSize"/>
<meta-data android:name="com.google.android.gms.version" android:value="6111000" />
</application>
</manifest>
Styles.xml文件
Styles.xml file
<resources>
<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
<!-- Customize your theme here. -->
<item name="colorPrimary">@color/colorPrimary</item>
<item name="colorPrimaryDark">@color/colorPrimaryDark</item>
<item name="colorAccent">@color/colorAccent</item>
<item name="windowActionBarOverlay">false</item>
<item name="windowNoTitle">true</item>
<item name="windowActionBar">false</item>
</style>
<style name="AppTheme.NoActionBar">
<item name="colorPrimary">@color/colorPrimary</item>
<item name="colorPrimaryDark">@color/colorPrimaryDark</item>
<item name="colorAccent">@color/colorAccent</item>
<item name="windowActionBar">false</item>
<item name="windowNoTitle">true</item>
</style>
<style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />
<style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />
Activity_main.xml
Activity_main.xml
<?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:ads="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
tools:openDrawer="start">
<include
layout="@layout/app_bar_main"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<android.support.design.widget.NavigationView
android:id="@+id/nav_view"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="start"
android:fitsSystemWindows="true"
app:headerLayout="@layout/nav_header_main"
android:clickable="true">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<ExpandableListView
android:id="@+id/exp_list"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginTop="160dp"
android:indicatorRight="?android:attr/expandableListPreferredItemIndicatorRight"
android:background="@android:color/white"
android:footerDividersEnabled="true"
android:groupIndicator="@null">
</ExpandableListView>
<!--<ListView-->
<!--android:background="@android:color/white"-->
<!--android:id="@+id/menuList"-->
<!--android:layout_width="match_parent"-->
<!--android:layout_height="match_parent"-->
<!--android:layout_marginTop="10dp" />-->
</LinearLayout>
</android.support.design.widget.NavigationView>
</android.support.v4.widget.DrawerLayout>
MainActivity.java
MainActivity.java
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
if (toolbar != null) {
toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
}
}
Build.gradle文件
Build.gradle file
apply plugin: 'com.android.application'
android {
compileSdkVersion 23
buildToolsVersion "23.0.3"
ext {
supportLibVersion = '23.4.0' // variable that can be referenced to keep support libs consistent
}
defaultConfig {
applicationId "com.global.market"
minSdkVersion 14
targetSdkVersion 23
versionCode 1
versionName "1.0"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
testCompile 'junit:junit:4.12'
compile 'com.android.support:appcompat-v7:23.4.0'
compile 'com.android.support:design:23.4.0'
compile 'com.loopj.android:android-async-http:1.4.9'
compile 'com.android.support:cardview-v7:23.0.+'
compile 'com.android.support:recyclerview-v7:23.0.+'
compile 'com.google.code.gson:gson:2.6.2'
compile 'com.squareup.retrofit2:retrofit:2.1.0'
compile 'com.squareup.retrofit2:converter-gson:2.1.0'
compile 'com.github.gabrielemariotti.cards:cardslib-core:2.1.0'
compile 'com.github.gabrielemariotti.cards:cardslib-cards:2.1.0'
compile 'com.github.PhilJay:MPAndroidChart:v2.2.4'
compile files('libs/GoogleAdMobAdsSdk-6.4.1.jar')
compile 'com.google.android.gms:play-services:6.1.11'
}
推荐答案
AppBar默认具有在棒棒糖之后起作用的高度.因此，尽管布局层次结构，它始终是可见的.但是在较低版本中(棒棒糖以下)，工具栏可能会绘制在其他布局下方.
AppBar by default has elevation which works after lollipop. So it is always visible despite the layouts hierarchy. But on lower version (below lollipop) the toolbar might be drawn below some other layout.
因此，请重新排列您的布局项目以使工具栏可见.
So reorder your layout items to make the toolbar visible.
这篇关于我的工具栏未显示在API级别19(Kitkat)上，而显示在API级别21的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
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