Ich verwende folgende Abhängigkeiten in meiner App.Aber die Symbolleiste Pfeil nach oben Symbol am unteren Rand der Symbolleiste angezeigt.Ist es ein Problem in meinem Code?die Symbolleiste Pfeilsymbol am unteren Rand der Symbolleiste
compileSdkVersion 23
buildToolsVersion '22.0.1'
defaultConfig {
applicationId "com.company.appname"
minSdkVersion 19
targetSdkVersion 22
versionCode 1
versionName "1.0.0"
}
dependencies {
compile('com.android.support:cardview-v7:23.2.0') {
force = true
}
compile 'com.android.support:design:23.3.0'
compile 'com.android.support:gridlayout-v7:23.3.0'
compile 'com.android.support:recyclerview-v7:23.3.0'
compile 'com.android.support:support-v4:23.3.0'
compile 'com.google.android.gms:play-services-ads:8.4.0'
}
GalleryActivity.java
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
getSupportActionBar().setDisplayUseLogoEnabled(false);
getSupportActionBar().setDisplayShowTitleEnabled(false);
getSupportActionBar().setDisplayShowHomeEnabled(true);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
TextView toolBarTitleTextView = (TextView) findViewById(R.id.gallery_activity_toolbar_title);
toolBarTitleTextView.setText(R.string.title_gallery_fragment);
activity_gallery.xml
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout 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"
android:fitsSystemWindows="true"
tools:context="com.company.appname.activities.GalleryActivity">
<android.support.design.widget.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="@style/AppTheme.AppBarOverlay">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
style="@style/AppTheme.ToolbarOverlay"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
android:fitsSystemWindows="true"
app:popupTheme="@style/AppTheme.PopupOverlay">
<TextView
android:id="@+id/gallery_activity_toolbar_title"
style="@style/App.Widget.TextView.Toolbar.Title"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</android.support.v7.widget.Toolbar>
</android.support.design.widget.AppBarLayout>
<fragment
android:id="@+id/gallery_fragment"
android:name="com.company.appname.fragments.GalleryFragment"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior"
tools:showIn="@layout/activity_gallery" />
</android.support.design.widget.CoordinatorLayout>