无法在 Flutter 上全屏加载map_view



当我尝试全屏加载谷歌地图时,我遇到了问题。 我已经按照 pub.dartland.org 中的所有文档进行了map_view:

在我的AndroidManifest中.xml我有:

<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>

还添加了:

<meta-data android:name="com.google.android.maps.v2.API_KEY" android:value="your_api_key"/>
<meta-data android:name="com.google.android.gms.version" android:value="@integer/google_play_services_version"/>

当然随着apiKey的变化,还有:

<activity android:name="com.apptreesoftware.mapview.MapActivity" android:theme="@style/Theme.AppCompat.Light.DarkActionBar"/>

我还在build.graddle中添加了kotlin依赖项。 所以现在我可以在设备上看到 staticUri 地图,很棒,但是当我点击这张地图以全屏显示它时,应用程序崩溃并显示此错误:

D/AndroidRuntime( 4373): Shutting down VM
E/AndroidRuntime( 4373): FATAL EXCEPTION: main
E/AndroidRuntime( 4373): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.apptreesoftware.mapview.MapActivity}: android.view.InflateException: Binary XML file line #2: Binary XML file line #2: Error inflating class fragment
E/AndroidRuntime( 4373): Caused by: android.view.InflateException: Binary XML file line #2: Binary XML file line #2: Error inflating class fragment
E/AndroidRuntime( 4373): Caused by: android.view.InflateException: Binary XML file line #2: Error inflating class fragment
E/AndroidRuntime( 4373): Caused by: java.lang.RuntimeException: API key not found.  Check that <meta-data android:name="com.google.android.geo.API_KEY" android:value="your API key"/> is in the <application> element of AndroidManifest.xml

我尝试添加:

<meta-data android:name="com.google.android.geo.API_KEY" android:value="xxxxxxxxxxxxxxx"/>

但是同样的问题,也许有人有想法?

编辑: 这是我的安卓清单.xml :

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.myapp">
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
<application
android:name="io.flutter.app.FlutterApplication"
android:label="my-app"
android:icon="@mipmap/ic_launcher">
<activity
android:name=".MainActivity"
android:launchMode="singleTop"
android:theme="@style/LaunchTheme"
android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection|fontScale|screenLayout|density"
android:hardwareAccelerated="true"
android:windowSoftInputMode="adjustResize">
<meta-data
android:name="io.flutter.app.android.SplashScreenUntilFirstFrame"
android:value="true" />
<meta-data android:name="com.google.android.maps.v2.API_KEY" android:value="XXXXXXXXXXXXXX"/>
<!-- <meta-data android:name="com.google.android.geo.API_KEY" android:value="XXXXXXXXXXXXXXXX"/> -->
<meta-data android:name="com.google.android.gms.version" android:value="@integer/google_play_services_version"/>       
<intent-filter>
<action android:name="android.intent.action.MAIN"/>
<category android:name="android.intent.category.LAUNCHER"/>
</intent-filter>
</activity>
<activity android:name="com.apptreesoftware.mapview.MapActivity" android:theme="@style/Theme.AppCompat.Light.DarkActionBar"/>
</application>
</manifest>

好的,您需要将谷歌地图元数据移动到您的activity标签之外,如下所示:

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.myapp">
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
<application
android:name="io.flutter.app.FlutterApplication"
android:label="my-app"
android:icon="@mipmap/ic_launcher">

<meta-data android:name="com.google.android.maps.v2.API_KEY" android:value="XXXXXXXXXXXXXX"/>
<meta-data android:name="com.google.android.gms.version" android:value="@integer/google_play_services_version"/> 
<activity
android:name=".MainActivity"
android:launchMode="singleTop"
android:theme="@style/LaunchTheme"
android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection|fontScale|screenLayout|density"
android:hardwareAccelerated="true"
android:windowSoftInputMode="adjustResize">
<meta-data
android:name="io.flutter.app.android.SplashScreenUntilFirstFrame"
android:value="true" />
<intent-filter>
<action android:name="android.intent.action.MAIN"/>
<category android:name="android.intent.category.LAUNCHER"/>
</intent-filter>
</activity>
<activity android:name="com.apptreesoftware.mapview.MapActivity" android:theme="@style/Theme.AppCompat.Light.DarkActionBar"/>
</application>
</manifest>

您可以在此处找到更多信息:

https://developer.android.com/guide/topics/manifest/meta-data-element

总之,元数据与父组件相关,因此在这种情况下,您需要所有应用的元数据,而不仅仅是一个活动:)。

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