android - 新的 Google 地方信息自动填充功能在点击时崩溃
问题描述
我使用了谷歌地方的新依赖。单击自动完成视图时应用程序崩溃。错误如下。,
java.lang.NullPointerException: Place Fields must be set.
at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:889)
at com.google.android.libraries.places.internal.dt.onClick(Unknown Source)
at android.view.View.performClick(View.java:6207)
at android.widget.TextView.performClick(TextView.java:11094)
at android.view.View$PerformClick.run(View.java:23639)
at android.os.Handler.handleCallback(Handler.java:751)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6688)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1468)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1358)
启动方法。我在 Fragment 中使用了它,所以我用 getFragmentManager() 来初始化 Fragment。
private void setUpLocationPicker(){
if (!Places.isInitialized()) {
Places.initialize(this.getActivity(), getString(R.string.google_maps_key));
}
// Initialize the AutocompleteSupportFragment.
AutocompleteSupportFragment autocompleteFragment = (AutocompleteSupportFragment)
getFragmentManager().findFragmentById(R.id.autocomplete_fragment);
autocompleteFragment.setPlaceFields(Arrays.asList(Place.Field.ID, Place.Field.NAME));
autocompleteFragment.setOnPlaceSelectedListener(new PlaceSelectionListener() {
@Override
public void onPlaceSelected(Place place) {
// TODO: Get info about the selected place.
Log.i(TAG, "Place: " + place.getName() + ", " + place.getId());
}
@Override
public void onError(Status status) {
// TODO: Handle the error.
Log.i(TAG, "An error occurred: " + status);
}
});
}
和 XML 布局。
<android.support.constraint.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<fragment
android:id="@+id/autocomplete_fragment"
android:name="com.google.android.libraries.places.widget.AutocompleteSupportFragment"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="8dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/pickup_address" />
</android.support.constraint.ConstraintLayout>
为什么自动完成视图在 Onclick 事件中返回 null。如何解决这个问题?
解决方案
如果它对某人有帮助,那么迟到的答案。在我的情况下android:noHistory="true"
,当我android:noHistory="false"
再次开始工作时,问题就出现了
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