云Firestore添加文档Android Studio时出现java问题
请帮我解决这个小问题
我有以下安卓代码:
private ArrayList serviceNameList = new ArrayList();
serviceNameList.add("windows");
serviceNameList.add("linux");
serviceNameList.add("mac");
然后,我使用firestore保存数据:
Map<String, Object> service = new HashMap<>();
service.put("full_name", full_name.getText().toString());
service.put("Services_names", Collections.singletonList(serviceNameList));
firestore.collection("service").document("new_service")
.set(service)
.addOnSuccessListener(new OnSuccessListener<Void>() {
@Override
public void onSuccess(Void aVoid) {
Toast.makeText(getApplicationContext(), "Success..!",Toast.LENGTH_SHORT).show();
}
})
.addOnFailureListener(new OnFailureListener() {
@Override
public void onFailure(@NonNull Exception e) {
String error = e.getMessage();
Toast.makeText(getApplicationContext(), "Error: " + error,Toast.LENGTH_SHORT).show();
}
});
当我评论或删除此行时,所有工作正常:
service.put("Services_names",Collections.singletonList(serviceNameList));
但当我再次启用它时,我的应用程序失败了。。。我想知道我能做些什么来解决这个问题
谢谢你
顺便说一句,这是我的日志
2019-07-08 23:03:04.943 com.comas.app E: FATAL EXCEPTION: main
Process: com.comas.app, PID: 30989
java.lang.IllegalArgumentException: Invalid data. Nested arrays are not supported
at com.google.firebase.firestore.core.UserData$ParseContext.createError(com.google.firebase:firebase-firestore@@19.0.2:293)
at com.google.firebase.firestore.UserDataConverter.parseData(com.google.firebase:firebase-firestore@@19.0.2:270)
at com.google.firebase.firestore.UserDataConverter.parseList(com.google.firebase:firebase-firestore@@19.0.2:307)
at com.google.firebase.firestore.UserDataConverter.parseData(com.google.firebase:firebase-firestore@@19.0.2:272)
at com.google.firebase.firestore.UserDataConverter.parseMap(com.google.firebase:firebase-firestore@@19.0.2:294)
at com.google.firebase.firestore.UserDataConverter.parseData(com.google.firebase:firebase-firestore@@19.0.2:250)
at com.google.firebase.firestore.UserDataConverter.convertAndParseDocumentData(com.google.firebase:firebase-firestore@@19.0.2:230)
at com.google.firebase.firestore.UserDataConverter.parseSetData(com.google.firebase:firebase-firestore@@19.0.2:83)
at com.google.firebase.firestore.DocumentReference.set(com.google.firebase:firebase-firestore@@19.0.2:175)
at com.google.firebase.firestore.DocumentReference.set(com.google.firebase:firebase-firestore@@19.0.2:154)
at com.comas.app.PopUpActivity$2.onClick(PopUpActivity.java:173)
at 安卓.view.View.performClick(View.java:6663)
at 安卓.view.View.performClickInternal(View.java:6635)
at 安卓.view.View.access$3100(View.java:794)
at 安卓.view.View$PerformClick.run(View.java:26199)
at 安卓.os.Handler.handleCallback(Handler.java:907)
at 安卓.os.Handler.dispatchMessage(Handler.java:105)
at 安卓.os.Looper.loop(Looper.java:216)
at 安卓.app.ActivityThread.main(ActivityThread.java:7593)
at java.lang.reflect.Method.invoke(Native Method)
at com.安卓.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:524)
at com.安卓.internal.os.ZygoteInit.main(ZygoteInit.java:987)2019-07-08 23:03:04.955 ? E: FaultDetect: DUMPTOOL_PRINTF return.
# 1 楼答案
以下是将文件上载到firestore的代码
# 2 楼答案
如果要将ArrayList数据存储到Firestore中,请首先迭代整个ArrayList。然后,只将该变量传递到HashMap中