[英]Street View Fragment black screen
我正在嘗試在“活動”中插入街景視圖片段,但我只收到黑屏,沒有錯誤。
這是我的活動:
<?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.example.fennec.streetviewtest.MainActivity">
<FrameLayout
android:id="@+id/frameLayoutTest"
android:layout_width="match_parent"
android:layout_height="match_parent">
</FrameLayout>
</android.support.constraint.ConstraintLayout>
這是我的片段:
<fragment xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:map="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/streetviewpanorama"
android:name="com.google.android.gms.maps.SupportStreetViewPanoramaFragment"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.fennec.streetviewtest.StreetViewFragment" />
這是我的MainActivity java類:
public class MainActivity extends AppCompatActivity implements StreetViewFragment.OnFragmentInteractionListener {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Fragment fragment=new StreetViewFragment();
FragmentTransaction ft=getSupportFragmentManager().beginTransaction();
ft.replace(R.id.frameLayoutTest,fragment).commit();
}
@Override
public void onFragmentInteraction(Uri uri) {
}
}
這是我的StreetViewFragment Java類:
public class StreetViewFragment extends Fragment implements OnStreetViewPanoramaReadyCallback {
private static final String ARG_PARAM1 = "param1";
private static final String ARG_PARAM2 = "param2";
private String mParam1;
private String mParam2;
private OnFragmentInteractionListener mListener;
public StreetViewFragment() {
}
public static StreetViewFragment newInstance(String param1, String param2) {
StreetViewFragment fragment = new StreetViewFragment();
Bundle args = new Bundle();
args.putString(ARG_PARAM1, param1);
args.putString(ARG_PARAM2, param2);
fragment.setArguments(args);
return fragment;
}
StreetViewPanorama mStreetViewPanorama;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (getArguments() != null) {
mParam1 = getArguments().getString(ARG_PARAM1);
mParam2 = getArguments().getString(ARG_PARAM2);
}
FragmentManager fm = getChildFragmentManager();
SupportStreetViewPanoramaFragment streetViewPanoramaFragment =
(SupportStreetViewPanoramaFragment) getFragmentManager()
.findFragmentById(R.id.streetviewpanorama);
if (streetViewPanoramaFragment == null) {
streetViewPanoramaFragment = streetViewPanoramaFragment.newInstance();
fm.beginTransaction().replace(R.id.streetviewpanorama, streetViewPanoramaFragment).commit();
}
streetViewPanoramaFragment.getStreetViewPanoramaAsync(StreetViewFragment.this);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
return inflater.inflate(R.layout.fragment_street_view, container, false);
}
public void onButtonPressed(Uri uri) {
if (mListener != null) {
mListener.onFragmentInteraction(uri);
}
}
@Override
public void onAttach(Context context) {
super.onAttach(context);
if (context instanceof OnFragmentInteractionListener) {
mListener = (OnFragmentInteractionListener) context;
} else {
throw new RuntimeException(context.toString()
+ " must implement OnFragmentInteractionListener");
}
}
@Override
public void onDetach() {
super.onDetach();
mListener = null;
}
@Override
public void onStreetViewPanoramaReady(StreetViewPanorama streetViewPanorama) {
streetViewPanorama.setPosition(new LatLng(-33.87365, 151.20689));
}
public interface OnFragmentInteractionListener {
// TODO: Update argument type and name
void onFragmentInteraction(Uri uri);
}
}
如果將片段和Java代碼直接插入Activity中,則同一個應用程序可以正常工作。 錯誤在哪里? 在這種情況下,我如何看到StreetView ???
謝謝。
對某人可能有用。 但是,如果您構建未附加到視圖的全景視圖,則可能會在偵聽器和黑屏方面遇到問題。
我有一個放大后的視圖來顯示streetvieww,我的全景視圖已附加到創建后的該放大后的視圖中,然后將其設置為不可見並根據需要使用,然后我就可以更改全景位置並更改其可見性。
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