这是我在firebase实时数据库中添加新人的逻辑.但是,不是创建新条目,而是使用新数据更新旧数据.
buttonSave.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
/*
new Firebase(Config.FIREBASE_URL)
.push()
.child("title")
.setValue(text.getText().toString());
*/
Firebase ref = new Firebase(Config.FIREBASE_URL);
String name = editTextName.getText().toString().trim();
String address = editTextAddress.getText().toString().trim();
//Creating Person object
Person person = new Person();
//Adding values
person.setName(name);
person.setAddress(address);
ref.child("Person").setValue(person);
}
});
new Firebase(Config.FIREBASE_URL).addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot snapshot) {
for (DataSnapshot postSnapshot : snapshot.getChildren()) {
//Getting the data from snapshot
Person person = postSnapshot.getValue(Person.class);
//Adding it to a string
String string = "Name: "+person.getName()+"\nAddress: "+person.getAddress()+"\n\n"; …我在我的设备上本地开发了一个Android应用程序(app尚未在Android Play商店中).我有以下逻辑来在MainActivity中获得深层链接.
GoogleApiClient mGoogleApiClient = new GoogleApiClient.Builder(this)
.enableAutoManage(this, null)
.addApi(AppInvite.API)
.build();
// Check if this app was launched from a deep link. Setting autoLaunchDeepLink to true
// would automatically launch the deep link if one is found.
boolean autoLaunchDeepLink = false;
AppInvite.AppInviteApi.getInvitation(mGoogleApiClient, this, autoLaunchDeepLink)
.setResultCallback(
new ResultCallback<AppInviteInvitationResult>() {
@Override
public void onResult(@NonNull AppInviteInvitationResult result) {
if (result.getStatus().isSuccess()) {
// Extract deep link from Intent
Intent intent = result.getInvitationIntent();
String deepLink = AppInviteReferral.getDeepLink(intent);
Toast.makeText(getApplicationContext(), deepLink, Toast.LENGTH_LONG).show();
// Handle the deep link. …在他们提到的这段代码片段(firebase doc)中,不要使用user.getUid()对后端服务器进行身份验证.请改用FirebaseUser.getToken().
FirebaseUser user = FirebaseAuth.getInstance().getCurrentUser();
if (user != null) {
// Name, email address, and profile photo Url
String name = user.getDisplayName();
String email = user.getEmail();
Uri photoUrl = user.getPhotoUrl();
// The user's ID, unique to the Firebase project. Do NOT use this value to
// authenticate with your backend server, if you have one. Use
// FirebaseUser.getToken() instead.
String uid = user.getUid();
}
getUid() A unique user ID, intended as the user's unique key across all providers.
getToken() …