Android：街景视图仅显示黑屏

Question

我想在我的Android应用程序中显示街景，但是当我运行我的应用程序时，我的Android设备上有黑屏而不是街景。我使用StreetViewPanoramaView。任何帮助我的XML代码在这里用XML我用它...

<com.google.android.gms.maps.StreetViewPanoramaView
    android:layout_below="@+id/place_autocomplete_fragment"
    android:id="@+id/steet_view_panorama"
    android:layout_width="match_parent"
    android:layout_height="match_parent"/>

Livesearch.Java是我的java活动，我试图显示街景。

public class Livesearch extends AppCompatActivity {
StreetViewPanoramaFragment streetViewPanoramaFragment;

StreetViewPanoramaView mStreetViewPanoramaView;
private StreetViewPanorama mPanorama;
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.livesearch);
    PlaceAutocompleteFragment autocompleteFragment = (PlaceAutocompleteFragment)
            getFragmentManager().findFragmentById(R.id.place_autocomplete_fragment);

    mStreetViewPanoramaView = (StreetViewPanoramaView) findViewById(R.id.steet_view_panorama);
    mStreetViewPanoramaView.onCreate(savedInstanceState);

    mStreetViewPanoramaView.getStreetViewPanoramaAsync(new OnStreetViewPanoramaReadyCallback() {
        @Override
        public void onStreetViewPanoramaReady(StreetViewPanorama panorama) {
            panorama.setPosition(new LatLng(55.758818, 37.620587));
            mPanorama=panorama;
        }
    });
    autocompleteFragment.setOnPlaceSelectedListener(new PlaceSelectionListener() {
        @Override
        public void onPlaceSelected(Place place) {


            Toast.makeText(getApplicationContext(),place.getName(),Toast.LENGTH_LONG).show();

        }

        @Override
        public void onError(Status status) {
            // TODO: Handle the error.
            Toast.makeText(getApplicationContext(),"Error",Toast.LENGTH_LONG).show();
        }
    });
}
@Override
protected void onDestroy() {
    super.onDestroy();
    mStreetViewPanoramaView.onDestroy();
}

@Override
protected void onResume() {
    super.onResume();
    mStreetViewPanoramaView.onResume();
}

@Override
protected void onPause() {
    super.onPause();
    mStreetViewPanoramaView.onPause();
}

@Override
public void onLowMemory() {
    super.onLowMemory();
    mStreetViewPanoramaView.onLowMemory();
}

@Override
protected void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);
    mStreetViewPanoramaView.onSaveInstanceState(outState);
}

}

Answer 1

我检查了你的代码，使用相同的代码制作了一个演示应用程序，它对我来说非常适合。我刚刚删除了片段代码。我想您的Google Maps API密钥存在问题。你加了吗？如果没有，请遵循以下说明：

1. 从控制台获取Google API密钥。点击此链接查看步骤https://developers.google.com/maps/documentation/android-api/signup
2. 在应用标记内的AndroidManifest.xml中添加Google API密钥

例如

<application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">

        <!--
            The API key for Google Maps-based APIs is defined as a string resource.
            (See the file "res/values/google_maps_api.xml").
            Note that the API key is linked to the encryption key used to sign the APK.
            You need a different API key for each encryption key, including the release key that is used to
            sign the APK for publishing.
            You can define the keys for the debug and release targets in src/debug/ and src/release/.
       -->
        <meta-data
            android:name="com.google.android.geo.API_KEY"
            android:value="YOUR_KEY" />


        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN"/>

                <category android:name="android.intent.category.LAUNCHER"/>
            </intent-filter>
        </activity>
    </application>

3. 运行它，它会工作。

希望对你有用！

Answer 2

这项工作。

AndroidManifest.xml中

    <meta-data
            android:name="com.google.android.gms.version"
            android:value="@integer/google_play_services_version" />
    <meta-data
            android:name="com.google.android.geo.API_KEY"
            android:value="Your API Key" />

gradle这个

   implementation 'com.google.android.gms:play-services-maps:16.1.0'

活动

class MainActivity : AppCompatActivity(), OnStreetViewPanoramaReadyCallback {

override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    setContentView(R.layout.activity_main)

    val streetViewPanoramaFragment = supportFragmentManager
        .findFragmentById(R.id.streetViewMap) as SupportStreetViewPanoramaFragment
    streetViewPanoramaFragment.getStreetViewPanoramaAsync(this)

}

override fun onStreetViewPanoramaReady(panorama: StreetViewPanorama?) {
    panorama?.setPosition(LatLng(-33.87365, 151.20689))
}

}

布局（activity_main）

   <?xml version="1.0" encoding="utf-8"?>
   <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
         xmlns:tools="http://schemas.android.com/tools"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         tools:context=".MainActivity">
   <fragment
        android:id="@+id/streetViewMap"
        android:name="com.google.android.gms.maps.SupportStreetViewPanoramaFragment"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />
   </FrameLayout>