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'JSFCBTFⵃ欽׃
"OESPJE،فٔ涪
㹋騧Ⰵ
涯㿊俑䕕
!GVTIJSPZBNB
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荈䊹稱➜
涯㿊俑䕕
/JLLFJ*OD
"OESPJE"QQ&OHJOFFS
馯䧄㘋ծ㶨肪ג
ս鸬鯹վأوم،فٔ涪⸇鸞ׅ
'JSFCBTF⢪ג״ֲ
IUUQHJIZPKQEFWTFSJBMGJSFCBTF
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劤傈ך،آؑٝت
˖ 'JSFCBTFך嚊銲ְֶׁ
˖ رٌ،فٔ稱➜
˖ "VUIFOUJDBUJPO
˖ 3FBMUJNF%BUBCBTF
˖ 4UPSBHF
˖ 3FNPUF$POGJH
˖ ך➭5JQT
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'JSFCBTFך嚊銲ְֶׁ
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'JSFCBTFך嚊銲ְֶׁ
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'JSFCBTFך嚊銲ְֶׁ
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'JSFCBTFך嚊銲ְֶׁ
˖ (PPHMF*0דًآٍ٦،حفر٦ز
˖ 窟さٌغ؎ٕفٓحزؿؓ٦يפה鹌⻉
˖ "OBMZUJDT⚥呌ה׃גׁתׂתז؟٦ؽ
أָ埆鯥ד鸬䵿
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'JSFCBTFך嚊銲ְֶׁ
˖ (PPHMF*0דًآٍ٦،حفر٦ز
˖ 窟さٌغ؎ٕفٓحزؿؓ٦يפה鹌⻉
˖ "OBMZUJDT⚥呌ה׃גׁתׂתז؟٦ؽ
أָ埆鯥ד鸬䵿
劤傈כ'JSFCBTFך醱侧ך؟٦ؽأ⢪ְז
ָ㹋騧涸ז"OESPJE،فٔך⡲倯稱
➜׃תׅ
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رٌ،فٔ稱➜
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رٌ،فٔ稱➜
ְְثٍحز
IUUQTQMBZHPPHMFDPNTUPSFBQQT
EFUBJMT JEVTTIJSPZBNBBOESPJEGJSFCBTFSFBMUJNFDIBU
˖ ٔ،ٕة؎يثٍحز
˖ 5XJUUFS钠鏾
˖ ًحإ٦آך鷏⥋
˖ 歗⫷ך،حفٗ٦س
˖ 荈ⴓך鷏ًحإ٦آךꤐ
˖ 荈ⴓך鷏歗⫷ךꤐ
IUUQTHJUIVCDPNTSZN'JSFCBTF3FBM5JNF$IBU
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رٌ،فٔ稱➜
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'JSFCBTF4%,
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// Top-level build file
buildscript {
repositories {
jcenter()
mavenCentral()
}
dependencies {
classpath 'com.google.gms:google-services:3.0.0'
}
}
فٗآؙؑزךCVJMEHSBEMF
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def firebase_lib_version = '9.6.1'
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
compile "com.google.firebase:firebase-core:${firebase_lib_version}"
}
// THIS MUST BE AT THE BOTTOM
apply plugin: 'com.google.gms.google-services'
،فٌٔآُ٦ٕךCVJMEHSBEMF
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def firebase_lib_version = '9.6.1'
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
compile "com.google.firebase:firebase-core:${firebase_lib_version}"
}
// THIS MUST BE AT THE BOTTOM
apply plugin: 'com.google.gms.google-services'
،فٌٔآُ٦ٕךCVJMEHSBEMF
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"VUIFOUJDBUJPO
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"VUIFOUJDBUJPO
˖ 'JSFCBTFך钠鏾㛇湍
˖ 'JSFCBTF荈魦ָ*%1"44ח״钠鏾堣圓䭯ג
ְ➭ծ(PPHMF
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5XJUUFS
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˖ ⼡せךٙٝة؎ي钠鏾
˖ 醱侧钠鏾فٗغ؎تך钠鏾䞔㜠ך窟さ
˖ ְְثٍحزדכ5XJUUFS钠鏾ⵃ欽׃תׅ
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"VUIFOUJDBUJPO
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"VUIFOUJDBUJPO
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"VUIFOUJDBUJPO
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"VUIFOUJDBUJPO
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"VUIFOUJDBUJPO
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"VUIFOUJDBUJPO
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"VUIFOUJDBUJPO
˖ BQQTUXJUUFSDPN
˖ $SFBUF/FX"QQ
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"VUIFOUJDBUJPO
˖ BQQTUXJUUFSDPN
˖ $SFBUF/FX"QQ
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"VUIFOUJDBUJPO
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"VUIFOUJDBUJPO
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"VUIFOUJDBUJPO
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"VUIFOUJDBUJPO
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def firebase_lib_version = '9.6.1'
dependencies {
compile "com.google.firebase:firebase-core:${firebase_lib_version}"
compile "com.google.firebase:firebase-auth:${firebase_lib_version}"
}
// THIS MUST BE AT THE BOTTOM
apply plugin: 'com.google.gms.google-services'
،فٌٔآُ٦ٕךCVJMEHSBEMF
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"VUIFOUJDBUJPO
"OESPJE4UVEJP
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public class MyApplication extends Application {
public ApplicationComponent applicationComponent;
@Override
public void onCreate() {
super.onCreate();
TwitterAuthConfig authConfig = new TwitterAuthConfig(BuildConfig.TWITTER_KEY,
BuildConfig.TWITTER_SECRET);
Fabric.with(this, new Twitter(authConfig), new Crashlytics());
}
}
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public class MyApplication extends Application {
public ApplicationComponent applicationComponent;
@Override
public void onCreate() {
super.onCreate();
TwitterAuthConfig authConfig = new TwitterAuthConfig(BuildConfig.TWITTER_KEY,
BuildConfig.TWITTER_SECRET);
Fabric.with(this, new Twitter(authConfig), new Crashlytics());
}
} "1*,FZ
4FDSFU
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5XJUUFSؚٗ؎ٝنةٝ
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@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
twitterLoginButton.onActivityResult(requestCode, resultCode, data);
}
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@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
twitterLoginButton.onActivityResult(requestCode, resultCode, data);
}
钠鏾䖓؝٦ٕغحؙ
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twitterLoginButton.setCallback(new Callback() {
@Override
public void success(Result result) {
TwitterSession session = result.data;
TwitterAuthToken token = session.getAuthToken();
AuthCredential credential = TwitterAuthProvider.getCredential(token.token, token.secret);
FirebaseAuth firebaseAuth = FirebaseAuth.getInstance();
firebaseAuth.signInWithCredential(credential)
.addOnSuccessListener(authResult -> {
FirebaseUser firebaseUser = authResult.getUser();
String uid = firebaseUser.getUid();
UserInfo twitterUser = firebaseUser.getProviderData().get(1);
String name = twitterUser.getDisplayName();
String thumbnail = twitterUser.getPhotoUrl().toString();
})
.addOnFailureListener(e -> Log.e(TAG, e.getMessage(), e));
}
@Override
public void failure(TwitterException exception) {
}
});
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twitterLoginButton.setCallback(new Callback() {
@Override
public void success(Result result) {
TwitterSession session = result.data;
TwitterAuthToken token = session.getAuthToken();
AuthCredential credential = TwitterAuthProvider.getCredential(token.token, token.secret);
FirebaseAuth firebaseAuth = FirebaseAuth.getInstance();
firebaseAuth.signInWithCredential(credential)
.addOnSuccessListener(authResult -> {
FirebaseUser firebaseUser = authResult.getUser();
String uid = firebaseUser.getUid();
UserInfo twitterUser = firebaseUser.getProviderData().get(1);
String name = twitterUser.getDisplayName();
String thumbnail = twitterUser.getPhotoUrl().toString();
})
.addOnFailureListener(e -> Log.e(TAG, e.getMessage(), e));
}
@Override
public void failure(TwitterException exception) {
}
});
ؙٔحؙ
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twitterLoginButton.setCallback(new Callback() {
@Override
public void success(Result result) {
TwitterSession session = result.data;
TwitterAuthToken token = session.getAuthToken();
AuthCredential credential = TwitterAuthProvider.getCredential(token.token, token.secret);
FirebaseAuth firebaseAuth = FirebaseAuth.getInstance();
firebaseAuth.signInWithCredential(credential)
.addOnSuccessListener(authResult -> {
FirebaseUser firebaseUser = authResult.getUser();
String uid = firebaseUser.getUid();
UserInfo twitterUser = firebaseUser.getProviderData().get(1);
String name = twitterUser.getDisplayName();
String thumbnail = twitterUser.getPhotoUrl().toString();
})
.addOnFailureListener(e -> Log.e(TAG, e.getMessage(), e));
}
@Override
public void failure(TwitterException exception) {
}
});
5XJUUFSךز٦ؙٝ
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twitterLoginButton.setCallback(new Callback() {
@Override
public void success(Result result) {
TwitterSession session = result.data;
TwitterAuthToken token = session.getAuthToken();
AuthCredential credential = TwitterAuthProvider.getCredential(token.token, token.secret);
FirebaseAuth firebaseAuth = FirebaseAuth.getInstance();
firebaseAuth.signInWithCredential(credential)
.addOnSuccessListener(authResult -> {
FirebaseUser firebaseUser = authResult.getUser();
String uid = firebaseUser.getUid();
UserInfo twitterUser = firebaseUser.getProviderData().get(1);
String name = twitterUser.getDisplayName();
String thumbnail = twitterUser.getPhotoUrl().toString();
})
.addOnFailureListener(e -> Log.e(TAG, e.getMessage(), e));
}
@Override
public void failure(TwitterException exception) {
}
});
'JSFCBTFך钠鏾彊⪒
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twitterLoginButton.setCallback(new Callback() {
@Override
public void success(Result result) {
TwitterSession session = result.data;
TwitterAuthToken token = session.getAuthToken();
AuthCredential credential = TwitterAuthProvider.getCredential(token.token, token.secret);
FirebaseAuth firebaseAuth = FirebaseAuth.getInstance();
firebaseAuth.signInWithCredential(credential)
.addOnSuccessListener(authResult -> {
FirebaseUser firebaseUser = authResult.getUser();
String uid = firebaseUser.getUid();
UserInfo twitterUser = firebaseUser.getProviderData().get(1);
String name = twitterUser.getDisplayName();
String thumbnail = twitterUser.getPhotoUrl().toString();
})
.addOnFailureListener(e -> Log.e(TAG, e.getMessage(), e));
}
@Override
public void failure(TwitterException exception) {
}
});
'JSFCBTFחؚٗ؎ٝ
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twitterLoginButton.setCallback(new Callback() {
@Override
public void success(Result result) {
TwitterSession session = result.data;
TwitterAuthToken token = session.getAuthToken();
AuthCredential credential = TwitterAuthProvider.getCredential(token.token, token.secret);
FirebaseAuth firebaseAuth = FirebaseAuth.getInstance();
firebaseAuth.signInWithCredential(credential)
.addOnSuccessListener(authResult -> {
FirebaseUser firebaseUser = authResult.getUser();
String uid = firebaseUser.getUid();
UserInfo twitterUser = firebaseUser.getProviderData().get(1);
String name = twitterUser.getDisplayName();
String thumbnail = twitterUser.getPhotoUrl().toString();
})
.addOnFailureListener(e -> Log.e(TAG, e.getMessage(), e));
}
@Override
public void failure(TwitterException exception) {
}
});
'JSFCBTFⰻךِ٦ؠ
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twitterLoginButton.setCallback(new Callback() {
@Override
public void success(Result result) {
TwitterSession session = result.data;
TwitterAuthToken token = session.getAuthToken();
AuthCredential credential = TwitterAuthProvider.getCredential(token.token, token.secret);
FirebaseAuth firebaseAuth = FirebaseAuth.getInstance();
firebaseAuth.signInWithCredential(credential)
.addOnSuccessListener(authResult -> {
FirebaseUser firebaseUser = authResult.getUser();
String uid = firebaseUser.getUid();
UserInfo twitterUser = firebaseUser.getProviderData().get(1);
String name = twitterUser.getDisplayName();
String thumbnail = twitterUser.getPhotoUrl().toString();
})
.addOnFailureListener(e -> Log.e(TAG, e.getMessage(), e));
}
@Override
public void failure(TwitterException exception) {
}
});
♧䠐ז*%
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if (firebaseAuth.getCurrentUser() != null) {
FirebaseUser firebaseUser = firebaseAuth.getCurrentUser();
String uid = firebaseUser.getUid();
}
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if (firebaseAuth.getCurrentUser() != null) {
FirebaseUser firebaseUser = firebaseAuth.getCurrentUser();
String uid = firebaseUser.getUid();
}
ؚٗ؎ٝ幥
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@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.action_logout:
firebaseAuth.signOut();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
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@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.action_logout:
firebaseAuth.signOut();
return true;
default:
return super.onOptionsItemSelected(item);
}
} ؚٗ،ؐز
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"VUIFOUJDBUJPO
˖ 钠鏾فٗغ؎تח״ג《䖤דֹ䞔㜠ח蕯䎁ך
䊴殯ָָ֮ծ㛇劤涸ז⢪ְ倯כ➭ךفٗغ؎ت
ずׄ
˖ 'JSFBCBTF6TFSHFU6JE
ד《䖤דֹ6*%כفٗ
غ؎تתְד窫㼎חꅾ醱׃זְ♧䠐ד֮
ֿהָ⥂鏾ׁגְ
˖ 6*ה钠鏾Ⳣ椚ָמהאחז'JSFBCBTF6*
ك٦ةהְֲך֮
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3FBMUJNF%BUBCBTF
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3FBMUJNF%BUBCBTF
˖ ٔ،ٕة؎يחず劍ׁر٦ةك٦أ
˖ أؗ٦وٖأז/P42-
˖ ر٦ةכ+40/䕎䒭ד⥂䭯
˖ ؔؿٓ؎ٝ؟ه٦ز
˖ "OESPJE
J04
8FC
˖ 厫鮾ז،ؙإأⵖ䖴
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ر٦ة圓鸡
{
"users": {
"alovelace": {
"name": "Ada Lovelace",
"contacts": { "ghopper": true },
},
"ghopper": { ... },
"eclarke": { ... }
}
}
+40/ד邌植דֹ⟣䠐ךر٦ة圓鸡
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ر٦ة圓鸡
劤傈䪔ֲر٦ة圓鸡
{
"messages" : {
"message01" : {
"body" : "hello!",
"senderUid" : "user0001",
"type" : 0
},
.....
},
"users" : {
"user01" : {
"name" : "Steve",
"thumbnail" : "http://example.com/img/user01.jpg"
},
....
}
}
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ر٦ة圓鸡
ط؎ذ؍ـדٔأزכ؟ه٦زׁזְ
{
"messages" : {
"message01" : {
"body" : "hello!",
"senderUid" : "user0001",
"type" : 0
},
.....
},
"users" : {
"user01" : {
"name" : "Steve",
"thumbnail" : "http://example.com/img/user01.jpg"
},
....
}
}
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➙傈䠐陎׃ג妜׃ְֿה
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➙傈䠐陎׃ג妜׃ְֿה
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➙傈䠐陎׃ג妜׃ְֿה
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ر٦ة圓鸡
{
"messages" : {
"message01" : {
"body" : "hello!",
"senderUid" : "user0001",
"type" : 0
},
"message02" : {
"body" : "how are you!",
"senderUid" : "user0002",
"type" : 0
},
....
}
}
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➙傈䠐陎׃ג妜׃ְֿה
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ر٦ة圓鸡
{
"messages" : {
"message01" : {
"body" : "hello!",
"senderUid" : "user0001",
"type" : 0
},
"message02" : {
"body" : "how are you!",
"senderUid" : "user0002",
"type" : 0
},
....
}
}
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3FBMUJNF%BUBCBTF
˖ ؎كٝزسٔـٌٝرٕ
˖ 妜׃ְة؎ىؚٝד《ח遤ֻךדכזֻծ圫ղ
ז؎كٝزח㼎׃גٔأش涫ꐮ׃גֶֹծ؎ك
ٝز涪欰׀הח؝٦ٕغحؙ׃גֲ
˖ ر٦ةךٔؿ؋ٖٝأח㼎׃גٔأش鏣㹀ׅ
ֿך暴䗙䬃ִׁגֶֻֿהָꅾ銲
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؎كٝزٔأشך珏겲
ٔأش ؎كٝز 欽鷿
7BMVF&WFOU-JTUFOFS PO%BUB$IBOHF
ػأך؝ٝذٝخח㼎ׅ
㢌刿儗חㄎל
$IJME&WFOU-JTUFOFS PO$IJME"EEFE
ٔأزח㶨銲稆ָ鷄⸇ׁ
儗חㄎל
$IJME&WFOU-JTUFOFS PO$IJME$IBOHFE
ٔأزך㶨銲稆ח㢌刿ָ֮
儗חㄎל
$IJME&WFOU-JTUFOFS PO$IJME3FNPWFE
ٔأزך㶨銲稆ָꤐׁ
儗חㄎל
$IJME&WFOU-JTUFOFS PO$IJME.PWFE
ٔأزך㶨銲稆ך갫䎷ָ㢌
儗חㄎל
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def firebase_lib_version = '9.6.1'
dependencies {
compile "com.google.firebase:firebase-core:${firebase_lib_version}"
compile "com.google.firebase:firebase-auth:${firebase_lib_version}"
compile "com.google.firebase:firebase-database:${firebase_lib_version}"
}
// THIS MUST BE AT THE BOTTOM
apply plugin: 'com.google.gms.google-services'
،فٌٔآُ٦ٕךCVJMEHSBEMF
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ر٦ةך知⽃ז铣剅ֹ
// Write a message to the database
FirebaseDatabase database = FirebaseDatabase.getInstance();
DatabaseReference myRef = database.getReference("message");
myRef.setValue("Hello, World!");
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ر٦ةך知⽃ז剅ֹ鴥
// Write a message to the database
FirebaseDatabase database = FirebaseDatabase.getInstance();
DatabaseReference myRef = database.getReference("message");
myRef.setValue("Hello, World!");
ر٦ةك٦أפ،ؙإأׅ彊⪒
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ر٦ةך知⽃ז剅ֹ鴥
// Write a message to the database
FirebaseDatabase database = FirebaseDatabase.getInstance();
DatabaseReference myRef = database.getReference("message");
myRef.setValue("Hello, World!");
NFTTBHFפך撑
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ر٦ةך知⽃ז剅ֹ鴥
// Write a message to the database
FirebaseDatabase database = FirebaseDatabase.getInstance();
DatabaseReference myRef = database.getReference("message");
myRef.setValue("Hello, World!");
NFTTBHF)FMMP
8PSMEה剅ֹ鴥
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ر٦ةך知⽃ז铣⳿׃
FirebaseDatabase database = FirebaseDatabase.getInstance();
DatabaseReference messageRef = database.getReference("message");
ValueEventListener messageListener = new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
String message = dataSnapshot.getValue(String.class);
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
};
messageRef.addValueEventListener(messageListener);
NFTTBHFפך撑
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ر٦ةך知⽃ז铣⳿׃
FirebaseDatabase database = FirebaseDatabase.getInstance();
DatabaseReference messageRef = database.getReference("message");
ValueEventListener messageListener = new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
String message = dataSnapshot.getValue(String.class);
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
};
messageRef.addValueEventListener(messageListener);
7BMVF&WFOU-JTUFOFSך⡲䧭
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ر٦ةך知⽃ז铣⳿׃
FirebaseDatabase database = FirebaseDatabase.getInstance();
DatabaseReference messageRef = database.getReference("message");
ValueEventListener messageListener = new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
String message = dataSnapshot.getValue(String.class);
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
};
messageRef.addValueEventListener(messageListener);
ر٦ةך《⳿׃
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ر٦ةך知⽃ז铣⳿׃
FirebaseDatabase database = FirebaseDatabase.getInstance();
DatabaseReference messageRef = database.getReference("message");
ValueEventListener messageListener = new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
String message = dataSnapshot.getValue(String.class);
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
};
messageRef.addValueEventListener(messageListener);
ٔأشך鏣㹀
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זח˘
ٔؿ؋ٖٝأכDIJME
ד⟣䠐ך
帾ׁתד䱠גְֻֿהָדֹ
private void writeNewUser(String userId, String name, String email) {
User user = new User(name, email);
mDatabase.child("users").child(userId).setValue(user);
}
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7BMVF&WFOU-JTUFOFS
ValueEventListener postListener = new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
// Get Post object and use the values to update the UI
Post post = dataSnapshot.getValue(Post.class);
// ...
}
@Override
public void onCancelled(DatabaseError databaseError) {
// Getting Post failed, log a message
Log.w(TAG, "loadPost:onCancelled", databaseError.toException());
// ...
}
};
mPostReference.addValueEventListener(postListener);
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7BMVF&WFOU-JTUFOFS
ValueEventListener postListener = new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
// Get Post object and use the values to update the UI
Post post = dataSnapshot.getValue(Post.class);
// ...
}
@Override
public void onCancelled(DatabaseError databaseError) {
// Getting Post failed, log a message
Log.w(TAG, "loadPost:onCancelled", databaseError.toException());
// ...
}
};
mPostReference.addValueEventListener(postListener);
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7BMVF&WFOU-JTUFOFS
ValueEventListener postListener = new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
// Get Post object and use the values to update the UI
Post post = dataSnapshot.getValue(Post.class);
// ...
}
@Override
public void onCancelled(DatabaseError databaseError) {
// Getting Post failed, log a message
Log.w(TAG, "loadPost:onCancelled", databaseError.toException());
// ...
}
};
mPostReference.addValueEventListener(postListener);
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7BMVF&WFOU-JTUFOFS
ValueEventListener postListener = new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
// Get Post object and use the values to update the UI
Post post = dataSnapshot.getValue(Post.class);
// ...
}
@Override
public void onCancelled(DatabaseError databaseError) {
// Getting Post failed, log a message
Log.w(TAG, "loadPost:onCancelled", databaseError.toException());
// ...
}
};
mPostReference.addValueEventListener(postListener);
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7BMVF&WFOU-JTUFOFS
ValueEventListener postListener = new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
// Get Post object and use the values to update the UI
Post post = dataSnapshot.getValue(Post.class);
// ...
}
@Override
public void onCancelled(DatabaseError databaseError) {
// Getting Post failed, log a message
Log.w(TAG, "loadPost:onCancelled", databaseError.toException());
// ...
}
};
mPostReference.addValueEventListener(postListener);
⥂㶷铣⳿׃⟣䠐ך10+0ָ⢪欽〳腉
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$IJME&WFOU-JTUFOFS
ChildEventListener childEventListener = new ChildEventListener() {
@Override
public void onChildAdded(DataSnapshot dataSnapshot, String previousChildName) {
Log.d(TAG, "onChildAdded:" + dataSnapshot.getKey());
// A new comment has been added, add it to the displayed list
Comment comment = dataSnapshot.getValue(Comment.class);
// ...
}
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$IJME&WFOU-JTUFOFS
ChildEventListener childEventListener = new ChildEventListener() {
@Override
public void onChildAdded(DataSnapshot dataSnapshot, String previousChildName) {
Log.d(TAG, "onChildAdded:" + dataSnapshot.getKey());
// A new comment has been added, add it to the displayed list
Comment comment = dataSnapshot.getValue(Comment.class);
// ...
}
PO$IJME"EEFE
כ㶨銲稆ך鷄⸇
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$IJME&WFOU-JTUFOFS
@Override
public void onChildChanged(DataSnapshot dataSnapshot, String previousChildName) {
Log.d(TAG, "onChildChanged:" + dataSnapshot.getKey());
// A comment has changed, use the key to determine if we are displaying this
// comment and if so displayed the changed comment.
Comment newComment = dataSnapshot.getValue(Comment.class);
String commentKey = dataSnapshot.getKey();
// ...
}
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$IJME&WFOU-JTUFOFS
@Override
public void onChildChanged(DataSnapshot dataSnapshot, String previousChildName) {
Log.d(TAG, "onChildChanged:" + dataSnapshot.getKey());
// A comment has changed, use the key to determine if we are displaying this
// comment and if so displayed the changed comment.
Comment newComment = dataSnapshot.getValue(Comment.class);
String commentKey = dataSnapshot.getKey();
// ...
}
PO$IJME$IBOHFE
כ㶨銲稆ך㢌⻉
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$IJME&WFOU-JTUFOFS
@Override
public void onChildRemoved(DataSnapshot dataSnapshot) {
Log.d(TAG, "onChildRemoved:" + dataSnapshot.getKey());
// A comment has changed, use the key to determine if we are displaying this
// comment and if so remove it.
String commentKey = dataSnapshot.getKey();
// ...
}
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$IJME&WFOU-JTUFOFS
@Override
public void onChildRemoved(DataSnapshot dataSnapshot) {
Log.d(TAG, "onChildRemoved:" + dataSnapshot.getKey());
// A comment has changed, use the key to determine if we are displaying this
// comment and if so remove it.
String commentKey = dataSnapshot.getKey();
// ...
}
PO$IJME3FNPWFE
כ㶨銲稆ךꤐ
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$IJME&WFOU-JTUFOFS
@Override
public void onChildMoved(DataSnapshot dataSnapshot, String previousChildName) {
Log.d(TAG, "onChildMoved:" + dataSnapshot.getKey());
// A comment has changed position, use the key to determine if we are
// displaying this comment and if so move it.
Comment movedComment = dataSnapshot.getValue(Comment.class);
String commentKey = dataSnapshot.getKey();
// ...
}
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$IJME&WFOU-JTUFOFS
@Override
public void onChildMoved(DataSnapshot dataSnapshot, String previousChildName) {
Log.d(TAG, "onChildMoved:" + dataSnapshot.getKey());
// A comment has changed position, use the key to determine if we are
// displaying this comment and if so move it.
Comment movedComment = dataSnapshot.getValue(Comment.class);
String commentKey = dataSnapshot.getKey();
// ...
}
PO$IJME.PWFE
כ㶨銲稆ך갫殢Ⰵ剏
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$IJME&WFOU-JTUFOFS
@Override
public void onCancelled(DatabaseError databaseError) {
Log.w(TAG, "postComments:onCancelled", databaseError.toException());
Toast.makeText(mContext, "Failed to load comments.",
Toast.LENGTH_SHORT).show();
}
};
ref.addChildEventListener(childEventListener);
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$IJME&WFOU-JTUFOFS
@Override
public void onCancelled(DatabaseError databaseError) {
Log.w(TAG, "postComments:onCancelled", databaseError.toException());
Toast.makeText(mContext, "Failed to load comments.",
Toast.LENGTH_SHORT).show();
}
};
ref.addChildEventListener(childEventListener);
BEE$IJME&WFOU-JTUFOFSחإحز
埄ꣲךؒٓ٦瘝
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ٔأزח㶨銲稆鷄⸇
DatabaseReference newMessageRef = databaseReference.child("/messages").push();
newMessageRef
.setValue(message)
.addOnSuccessListener(result -> Log.d(TAG, "try message send."))
.addOnFailureListener(error -> handleError(error, R.string.message_sent_error));
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ٔأزח㶨銲稆鷄⸇
DatabaseReference newMessageRef = databaseReference.child("/messages").push();
newMessageRef
.setValue(message)
.addOnSuccessListener(result -> Log.d(TAG, "try message send."))
.addOnFailureListener(error -> handleError(error, R.string.message_sent_error));
QVTI
דة؎يأةٝفח㛇בֻLFZָ荈⹛涪遤ׁ
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ٔأزח㶨銲稆鷄⸇
DatabaseReference newMessageRef = databaseReference.child("/messages").push();
newMessageRef
.setValue(message)
.addOnSuccessListener(result -> Log.d(TAG, "try message send."))
.addOnFailureListener(error -> handleError(error, R.string.message_sent_error));
֮הכֿתדず圫TFU7BMVFֽׅ
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銲稆ך⚛ן剏ִ
ًاحس 欽鷿
PSEFS#Z$IJME
䭷㹀׃㶨銲稆ך⦼הח⚛ן剏ִ
PSEFS#Z,FZ
㶨銲稆ךؗ٦הח⚛ן剏ִ
PSEFS#Z7BMVF
㶨銲稆荈魦ך⦼הח⚛ן剏ִ
PSEFS#Z1SJPSJUZ
⮚⯓䏝הח⚛ן剏ִ
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銲稆ך⚛ן剏ִ
String myUserId = getUid();
Query myTopPostsQuery = databaseReference.child("user-posts").child(myUserId)
.orderByChild("starCount");
myTopPostsQuery.addChildEventListener(new ChildEventListener() {
// TODO: implement the ChildEventListener methods as documented above
// ...
});
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銲稆ך⚛ן剏ִ
String myUserId = getUid();
Query myTopPostsQuery = databaseReference.child("user-posts").child(myUserId)
.orderByChild("starCount");
myTopPostsQuery.addChildEventListener(new ChildEventListener() {
// TODO: implement the ChildEventListener methods as documented above
// ...
});
⟣䠐ךٔؿ؋ٖٝأ撑
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銲稆ך⚛ן剏ִ
String myUserId = getUid();
Query myTopPostsQuery = databaseReference.child("user-posts").child(myUserId)
.orderByChild("starCount");
myTopPostsQuery.addChildEventListener(new ChildEventListener() {
// TODO: implement the ChildEventListener methods as documented above
// ...
});
ا٦ز勴⟝䭷㹀
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銲稆ך⚛ן剏ִ
String myUserId = getUid();
Query myTopPostsQuery = databaseReference.child("user-posts").child(myUserId)
.orderByChild("starCount");
myTopPostsQuery.addChildEventListener(new ChildEventListener() {
// TODO: implement the ChildEventListener methods as documented above
// ...
});
ֿתד鸐ٔأشإحز
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銲稆ךؿ؍ٕة
ًاحس 欽鷿
MJNJU5P'JSTU
⯓걧ַO⟝《䖤
MJNJU5P-BTU
䖓倯ַO⟝《䖤
TUBSU"U
勴⟝חوحثׅ⦼⟃꣬《䖤
FOE"U
勴⟝חوحثׅ⦼תד《䖤
FRVBM5P
勴⟝חوحثׅ⦼《䖤
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銲稆ךؿ؍ٕة
Query recentPostsQuery = databaseReference.child("posts")
ɹɹɹɹɹ.orderByChild("starCount")
.startAt(5)
.limitToFirst(100);
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銲稆ךؿ؍ٕة
Query recentPostsQuery = databaseReference.child("posts")
ɹɹɹɹɹ.orderByChild("starCount")
.startAt(5)
.limitToFirst(100);
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銲稆ךؿ؍ٕة
Query recentPostsQuery = databaseReference.child("posts")
ɹɹɹɹɹ.orderByChild("starCount")
.startAt(5)
.limitToFirst(100);
ا٦زה穈さׇֿהծ⟣䠐ךؿ؍ٕةה♧筰ח
⢪ֲֿהדֹ
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4UPSBHF
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4UPSBHF
˖ (PPHMF$MPVE4UPSBHFךغ؛حزⵃ欽׃غ؎
شٔر٦ة知⽃ַאإُؗ،ח䪔ֲֿהךדֹ
➬穈
˖ 3FBMUJNF%BUBCBTFכأزٖ٦آָ넝⣣זךדծ
ֿח歗⫷ؿ؋؎ٕ瘝縧ֻֿהכ֮ת植㹋涸
דכזְ
˖ ٔؿ؋ٖٝأך➬穈瘝כ3FBMUJNF%BUBCBTFח
״ֻ⡂גֶꬊ䌢ח知⽃ח䪔ֲֿהָ〳腉
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4UPSBHF
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4UPSBHF
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def firebase_lib_version = '9.6.1'
dependencies {
compile "com.google.firebase:firebase-core:${firebase_lib_version}"
compile "com.google.firebase:firebase-auth:${firebase_lib_version}"
compile "com.google.firebase:firebase-storage:${firebase_lib_version}"
}
// THIS MUST BE AT THE BOTTOM
apply plugin: 'com.google.gms.google-services'
،فٌٔآُ٦ٕךCVJMEHSBEMF
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4UPSBHF
FirebaseStorage storage = FirebaseStorage.getInstance();
StorageReference storageRef = storage.getReferenceFromUrl("gs://");
StorageReference imagesRef = storageRef.child("images");
StorageReference spaceRef = storageRef.child("images/space.jpg");
spaceRef.getPath();
spaceRef.getName();
spaceRef.getBucket();
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4UPSBHF
FirebaseStorage storage = FirebaseStorage.getInstance();
StorageReference storageRef = storage.getReferenceFromUrl("gs://");
StorageReference imagesRef = storageRef.child("images");
StorageReference spaceRef = storageRef.child("images/space.jpg");
spaceRef.getPath();
spaceRef.getName();
spaceRef.getBucket();
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4UPSBHF
FirebaseStorage storage = FirebaseStorage.getInstance();
StorageReference storageRef = storage.getReferenceFromUrl("gs://");
StorageReference imagesRef = storageRef.child("images");
StorageReference spaceRef = storageRef.child("images/space.jpg");
spaceRef.getPath();
spaceRef.getName();
spaceRef.getBucket();
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4UPSBHF
FirebaseStorage storage = FirebaseStorage.getInstance();
StorageReference storageRef = storage.getReferenceFromUrl("gs://");
StorageReference imagesRef = storageRef.child("images");
StorageReference spaceRef = storageRef.child("images/space.jpg");
spaceRef.getPath();
spaceRef.getName();
spaceRef.getBucket();
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4UPSBHF
FirebaseStorage storage = FirebaseStorage.getInstance();
StorageReference storageRef = storage.getReferenceFromUrl("gs://");
StorageReference imagesRef = storageRef.child("images");
StorageReference spaceRef = storageRef.child("images/space.jpg");
spaceRef.getPath();
spaceRef.getName();
spaceRef.getBucket();
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4UPSBHFח،حفٗ٦س
public void uploadImage(String filePath, boolean deletePath) {
String fileName = UUID.randomUUID().toString();
StorageReference target = storageReference
.child(IMG_DIR)
.child(fileName);
try {
InputStream inputStream = new BufferedInputStream(new FileInputStream(filePath));
target.putStream(inputStream)
.addOnSuccessListener(taskSnapshot -> {
Log.d(TAG, "upload succeeded.");
long totalBytes = taskSnapshot.getTotalByteCount();
Uri downloadUri = taskSnapshot.getDownloadUrl();
})
.addOnFailureListener(e -> Log.e(TAG, e.getMessage(), e));
} catch (FileNotFoundException e) {
Log.e(TAG, e.getMessage(), e);
}
}
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4UPSBHFח،حفٗ٦س
public void uploadImage(String filePath, boolean deletePath) {
String fileName = UUID.randomUUID().toString();
StorageReference target = storageReference
.child(IMG_DIR)
.child(fileName);
try {
InputStream inputStream = new BufferedInputStream(new FileInputStream(filePath));
target.putStream(inputStream)
.addOnSuccessListener(taskSnapshot -> {
Log.d(TAG, "upload succeeded.");
long totalBytes = taskSnapshot.getTotalByteCount();
Uri downloadUri = taskSnapshot.getDownloadUrl();
})
.addOnFailureListener(e -> Log.e(TAG, e.getMessage(), e));
} catch (FileNotFoundException e) {
Log.e(TAG, e.getMessage(), e);
}
}
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4UPSBHFח،حفٗ٦س
public void uploadImage(String filePath, boolean deletePath) {
String fileName = UUID.randomUUID().toString();
StorageReference target = storageReference
.child(IMG_DIR)
.child(fileName);
try {
InputStream inputStream = new BufferedInputStream(new FileInputStream(filePath));
target.putStream(inputStream)
.addOnSuccessListener(taskSnapshot -> {
Log.d(TAG, "upload succeeded.");
long totalBytes = taskSnapshot.getTotalByteCount();
Uri downloadUri = taskSnapshot.getDownloadUrl();
})
.addOnFailureListener(e -> Log.e(TAG, e.getMessage(), e));
} catch (FileNotFoundException e) {
Log.e(TAG, e.getMessage(), e);
}
}
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4UPSBHFח،حفٗ٦س
public void uploadImage(String filePath, boolean deletePath) {
String fileName = UUID.randomUUID().toString();
StorageReference target = storageReference
.child(IMG_DIR)
.child(fileName);
try {
InputStream inputStream = new BufferedInputStream(new FileInputStream(filePath));
target.putStream(inputStream)
.addOnSuccessListener(taskSnapshot -> {
Log.d(TAG, "upload succeeded.");
long totalBytes = taskSnapshot.getTotalByteCount();
Uri downloadUri = taskSnapshot.getDownloadUrl();
})
.addOnFailureListener(e -> Log.e(TAG, e.getMessage(), e));
} catch (FileNotFoundException e) {
Log.e(TAG, e.getMessage(), e);
}
}
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4UPSBHFח،حفٗ٦س
public void uploadImage(String filePath, boolean deletePath) {
String fileName = UUID.randomUUID().toString();
StorageReference target = storageReference
.child(IMG_DIR)
.child(fileName);
try {
InputStream inputStream = new BufferedInputStream(new FileInputStream(filePath));
target.putStream(inputStream)
.addOnSuccessListener(taskSnapshot -> {
Log.d(TAG, "upload succeeded.");
long totalBytes = taskSnapshot.getTotalByteCount();
Uri downloadUri = taskSnapshot.getDownloadUrl();
})
.addOnFailureListener(e -> Log.e(TAG, e.getMessage(), e));
} catch (FileNotFoundException e) {
Log.e(TAG, e.getMessage(), e);
}
}
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4UPSBHFח،حفٗ٦س
public void uploadImage(String filePath, boolean deletePath) {
String fileName = UUID.randomUUID().toString();
StorageReference target = storageReference
.child(IMG_DIR)
.child(fileName);
try {
InputStream inputStream = new BufferedInputStream(new FileInputStream(filePath));
target.putStream(inputStream)
.addOnSuccessListener(taskSnapshot -> {
Log.d(TAG, "upload succeeded.");
long totalBytes = taskSnapshot.getTotalByteCount();
Uri downloadUri = taskSnapshot.getDownloadUrl();
})
.addOnFailureListener(e -> Log.e(TAG, e.getMessage(), e));
} catch (FileNotFoundException e) {
Log.e(TAG, e.getMessage(), e);
}
} ؙٓ؎،ٝزכֿتؐٝٗ٦س
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4UPSBHFַꤐ
public void deleteImage(String fileName) {
StorageReference target = storageReference
.child(IMG_DIR)
.child(fileName);
target.delete()
.addOnSuccessListener(result -> Log.d(TAG, "image delete ok."))
.addOnFailureListener(error -> Log.e(TAG, error.getMessage(), error));
}
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4UPSBHFַꤐ
public void deleteImage(String fileName) {
StorageReference target = storageReference
.child(IMG_DIR)
.child(fileName);
target.delete()
.addOnSuccessListener(result -> Log.d(TAG, "image delete ok."))
.addOnFailureListener(error -> Log.e(TAG, error.getMessage(), error));
}
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4UPSBHFַꤐ
public void deleteImage(String fileName) {
StorageReference target = storageReference
.child(IMG_DIR)
.child(fileName);
target.delete()
.addOnSuccessListener(result -> Log.d(TAG, "image delete ok."))
.addOnFailureListener(error -> Log.e(TAG, error.getMessage(), error));
}
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4UPSBHFַꤐ
public void deleteImage(String fileName) {
StorageReference target = storageReference
.child(IMG_DIR)
.child(fileName);
target.delete()
.addOnSuccessListener(result -> Log.d(TAG, "image delete ok."))
.addOnFailureListener(error -> Log.e(TAG, error.getMessage(), error));
}
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3FNPUF$POGJH
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3FNPUF$POGJH
˖ "#ذأزזוꬊ䌢ח知⽃ח遤ֲ➬穈
˖ "#ذأز⟃㢩ח㕂ח״؝ٝذٝخ⳿׃ⴓ
ֽծؙٓ؎،ٝزךٔٔ٦أז׃ח俑鎉ך䊴׃剏
ִזו
˖ ؔٝٓ؎ٝ,FZ7BMVF4UPSFך״ֲזךָծ
طحزꬊ䱸竲儗חؒٓ٦搀ֻⵃ欽〳腉
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3FNPUF$POGJH
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3FNPUF$POGJH
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3FNPUF$POGJH
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3FNPUF$POGJH
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3FNPUF$POGJH
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def firebase_lib_version = '9.6.1'
dependencies {
compile "com.google.firebase:firebase-core:${firebase_lib_version}"
compile "com.google.firebase:firebase-auth:${firebase_lib_version}"
compile "com.google.firebase:firebase-storage:${firebase_lib_version}"
compile "com.google.firebase:firebase-config:${firebase_lib_version}"
}
// THIS MUST BE AT THE BOTTOM
apply plugin: 'com.google.gms.google-services'
،فٌٔآُ٦ٕךCVJMEHSBEMF
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3FNPUF$POGJH
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3FNPUF$POGJH
chat_bg_color
#87ceeb
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3FNPUF$POGJH
chat_bg_color
#87ceeb
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3FNPUF$POGJH
FirebaseRemoteConfigSettings remoteConfigSettings = new FirebaseRemoteConfigSettings.Builder()
.setDeveloperModeEnabled(BuildConfig.DEBUG)
.build();
FirebaseRemoteConfig firebaseRemoteConfig = FirebaseRemoteConfig.getInstance();
firebaseRemoteConfig.setConfigSettings(remoteConfigSettings);
firebaseRemoteConfig.setDefaults(R.xml.remote_config_defaults);
if (firebaseRemoteConfig.getInfo().getConfigSettings().isDeveloperModeEnabled()) {
cacheExpiration = 0;
}
firebaseRemoteConfig.fetch(cacheExpiration)
.addOnSuccessListener(result -> Log.d(TAG, "Fetch succeeded."))
.addOnFailureListener(e -> Log.e(TAG, "Fetch failed.", e));
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3FNPUF$POGJH
FirebaseRemoteConfigSettings remoteConfigSettings = new FirebaseRemoteConfigSettings.Builder()
.setDeveloperModeEnabled(BuildConfig.DEBUG)
.build();
FirebaseRemoteConfig firebaseRemoteConfig = FirebaseRemoteConfig.getInstance();
firebaseRemoteConfig.setConfigSettings(remoteConfigSettings);
firebaseRemoteConfig.setDefaults(R.xml.remote_config_defaults);
if (firebaseRemoteConfig.getInfo().getConfigSettings().isDeveloperModeEnabled()) {
cacheExpiration = 0;
}
firebaseRemoteConfig.fetch(cacheExpiration)
.addOnSuccessListener(result -> Log.d(TAG, "Fetch succeeded."))
.addOnFailureListener(e -> Log.e(TAG, "Fetch failed.", e));
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3FNPUF$POGJH
FirebaseRemoteConfigSettings remoteConfigSettings = new FirebaseRemoteConfigSettings.Builder()
.setDeveloperModeEnabled(BuildConfig.DEBUG)
.build();
FirebaseRemoteConfig firebaseRemoteConfig = FirebaseRemoteConfig.getInstance();
firebaseRemoteConfig.setConfigSettings(remoteConfigSettings);
firebaseRemoteConfig.setDefaults(R.xml.remote_config_defaults);
if (firebaseRemoteConfig.getInfo().getConfigSettings().isDeveloperModeEnabled()) {
cacheExpiration = 0;
}
firebaseRemoteConfig.fetch(cacheExpiration)
.addOnSuccessListener(result -> Log.d(TAG, "Fetch succeeded."))
.addOnFailureListener(e -> Log.e(TAG, "Fetch failed.", e));
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3FNPUF$POGJH
FirebaseRemoteConfigSettings remoteConfigSettings = new FirebaseRemoteConfigSettings.Builder()
.setDeveloperModeEnabled(BuildConfig.DEBUG)
.build();
FirebaseRemoteConfig firebaseRemoteConfig = FirebaseRemoteConfig.getInstance();
firebaseRemoteConfig.setConfigSettings(remoteConfigSettings);
firebaseRemoteConfig.setDefaults(R.xml.remote_config_defaults);
if (firebaseRemoteConfig.getInfo().getConfigSettings().isDeveloperModeEnabled()) {
cacheExpiration = 0;
}
firebaseRemoteConfig.fetch(cacheExpiration)
.addOnSuccessListener(result -> Log.d(TAG, "Fetch succeeded."))
.addOnFailureListener(e -> Log.e(TAG, "Fetch failed.", e));
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3FNPUF$POGJH
FirebaseRemoteConfigSettings remoteConfigSettings = new FirebaseRemoteConfigSettings.Builder()
.setDeveloperModeEnabled(BuildConfig.DEBUG)
.build();
FirebaseRemoteConfig firebaseRemoteConfig = FirebaseRemoteConfig.getInstance();
firebaseRemoteConfig.setConfigSettings(remoteConfigSettings);
firebaseRemoteConfig.setDefaults(R.xml.remote_config_defaults);
if (firebaseRemoteConfig.getInfo().getConfigSettings().isDeveloperModeEnabled()) {
cacheExpiration = 0;
}
firebaseRemoteConfig.fetch(cacheExpiration)
.addOnSuccessListener(result -> Log.d(TAG, "Fetch succeeded."))
.addOnFailureListener(e -> Log.e(TAG, "Fetch failed.", e));
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3FNPUF$POGJH
public void setBackgroundColor(View target) {
String colorHex = firebaseRemoteConfig.getString("chat_bg_color");
Log.d(TAG, "colorHex: " + colorHex);
int color = Color.parseColor(colorHex);
target.setBackgroundColor(color);
}
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3FNPUF$POGJH
public void setBackgroundColor(View target) {
String colorHex = firebaseRemoteConfig.getString("chat_bg_color");
Log.d(TAG, "colorHex: " + colorHex);
int color = Color.parseColor(colorHex);
target.setBackgroundColor(color);
}
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3FNPUF$POGJH
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3FNPUF$POGJH
˖ 涪罏ٌ٦س剣⸬ח׃זְה儗דؙٔؒأ
ز׃ַדֹזְזוعؤه؎ٝز֮
˖ ずֻׄծQSPEVDUJPO橆㞮ד♧䏝⦼《䖤ׅה
رؿٕؓزד儗ٍؗحءׁُזוծ濼
זְהعوه؎ٝزָ֮
˖ ず劍涸ח《䖤ׅ⢪ְ倯ָ姻׃ְַוֲַכ嗚鎢
ך⡭㖑֮կأفٓحءُד《䖤ׅծغحؙؒ
ٝسד《䖤׃ג如㔐饯⹛儗ח剣⸬⻉ׅזוװ
倯כ圫ղկ
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ך➭5JQT
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鷞갫ا٦ز
ך➭5JQT
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ך➭5JQT
˖ 3FBMUJNF%BUBCBTFכرؿٕؓزד鷞갫ا٦زָ
דֹזְ
˖ 1SJPSJUZ⮚⯓䏝⢪ٙ٦ؙ،ٓؐٝسָ
♧菙涸
˖ 1SJPSJUZכ⟣䠐ךٔؿ؋ٖٝأח⟣䠐ך⦼鏣㹀
דֹկ
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ך➭5JQT
DatabaseReference newMessage = databaseReference.child(Message.PATH).push();
newMessage.setPriority(-timestamp);
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ך➭5JQT
DatabaseReference newMessage = databaseReference.child(Message.PATH).push();
newMessage.setPriority(-timestamp);
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ך➭5JQT
DatabaseReference newMessage = databaseReference.child(Message.PATH).push();
newMessage.setPriority(-timestamp);
הִל5JNFTUBNQ痗〾⿾鯄
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ך➭5JQT
databaseReference.child(Message.PATH).orderByPriority();
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1VMM5P3FGSFTI
ך➭5JQT
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ך➭5JQT
˖ ٔأز朐ךر٦ة《䖤ׅꥷծ7BMVF&WFOUד
♧孡ח《倯岀֮לծ$IJME&WFOUדBEEׁ
ך䖉א倯岀֮կ
˖ 䖓罏כծ1VMM5P3FGSFTI儗זוחוֿדر٦ةך
「⥋ָ鷿ⴖַⴻ倖דֹזְկ
˖ ׃ָגծPOFTIPUך7BMVF&WFOUה
$IJME&WFOU穈さׇךָ⸬卓涸
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ך➭5JQT
private ValueEventListener singleShotListener = new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
for (DataSnapshot snapshot : dataSnapshot.getChildren()) {
Message message = getMessageWithId(snapshot);
// தུ
updateTimestamp(message.getTimestamp());
}
ɹɹɹɹɹ// தུ
databaseReference.child(Message.PATH)
.orderByChild(Message.KEY_TIMESTAMP)
.startAt(lastTimestamp + 1)
.addChildEventListener(childAddListener);
}
@Override
public void onCancelled(DatabaseError databaseError) { }
};
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ך➭5JQT
private ValueEventListener singleShotListener = new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
for (DataSnapshot snapshot : dataSnapshot.getChildren()) {
Message message = getMessageWithId(snapshot);
// தུ
updateTimestamp(message.getTimestamp());
}
ɹɹɹɹɹ// தུ
databaseReference.child(Message.PATH)
.orderByChild(Message.KEY_TIMESTAMP)
.startAt(lastTimestamp + 1)
.addChildEventListener(childAddListener);
}
@Override
public void onCancelled(DatabaseError databaseError) { }
};
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ך➭5JQT
private ValueEventListener singleShotListener = new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
for (DataSnapshot snapshot : dataSnapshot.getChildren()) {
Message message = getMessageWithId(snapshot);
// தུ
updateTimestamp(message.getTimestamp());
}
ɹɹɹɹɹ// தུ
databaseReference.child(Message.PATH)
.orderByChild(Message.KEY_TIMESTAMP)
.startAt(lastTimestamp + 1)
.addChildEventListener(childAddListener);
}
@Override
public void onCancelled(DatabaseError databaseError) { }
};
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ך➭5JQT
private ValueEventListener singleShotListener = new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
for (DataSnapshot snapshot : dataSnapshot.getChildren()) {
Message message = getMessageWithId(snapshot);
// தུ
updateTimestamp(message.getTimestamp());
}
ɹɹɹɹɹ// தུ
databaseReference.child(Message.PATH)
.orderByChild(Message.KEY_TIMESTAMP)
.startAt(lastTimestamp + 1)
.addChildEventListener(childAddListener);
}
@Override
public void onCancelled(DatabaseError databaseError) { }
};
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ך➭5JQT
private ValueEventListener singleShotListener = new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
for (DataSnapshot snapshot : dataSnapshot.getChildren()) {
Message message = getMessageWithId(snapshot);
// தུ
updateTimestamp(message.getTimestamp());
}
ɹɹɹɹɹ// தུ
databaseReference.child(Message.PATH)
.orderByChild(Message.KEY_TIMESTAMP)
.startAt(lastTimestamp + 1)
.addChildEventListener(childAddListener);
}
@Override
public void onCancelled(DatabaseError databaseError) { }
};
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،ؙإأⵖ䖴
ך➭5JQT
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ך➭5JQT
{
"rules": {
".read": false,
".write": false,
"users": {
".read": "auth != null",
"$user_id": {
".write": "auth != null && auth.uid === $user_id"
}
},
"messages": {
".read": "auth != null",
".indexOn": ["timestamp"],
"$message_id": {
".write": "(auth != null && auth.uid === newData.child('senderUid').val())
|| (auth != null && auth.uid === data.child('senderUid').val())"
}
}
},
}
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ך➭5JQT
{
"rules": {
".read": false,
".write": false,
"users": {
".read": "auth != null",
"$user_id": {
".write": "auth != null && auth.uid === $user_id"
}
},
"messages": {
".read": "auth != null",
".indexOn": ["timestamp"],
"$message_id": {
".write": "(auth != null && auth.uid === newData.child('senderUid').val())
|| (auth != null && auth.uid === data.child('senderUid').val())"
}
}
},
}
钠鏾幥
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ך➭5JQT
{
"rules": {
".read": false,
".write": false,
"users": {
".read": "auth != null",
"$user_id": {
".write": "auth != null && auth.uid === $user_id"
}
},
"messages": {
".read": "auth != null",
".indexOn": ["timestamp"],
"$message_id": {
".write": "(auth != null && auth.uid === newData.child('senderUid').val())
|| (auth != null && auth.uid === data.child('senderUid').val())"
}
}
},
}
倜׃ֻ剅ֹ鴥תر٦ة
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ך➭5JQT
{
"rules": {
".read": false,
".write": false,
"users": {
".read": "auth != null",
"$user_id": {
".write": "auth != null && auth.uid === $user_id"
}
},
"messages": {
".read": "auth != null",
".indexOn": ["timestamp"],
"$message_id": {
".write": "(auth != null && auth.uid === newData.child('senderUid').val())
|| (auth != null && auth.uid === data.child('senderUid').val())"
}
}
},
}
ַֿꤐׅر٦ة
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תה
˖ (JU)VCךٖهآزٔהرٌ،فٔ僽ꬊ
⹛ַ׃גגְֻׁ
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5IBOL:PV
׀耮ָ֮הֲ׀ְׂת׃կ
涯㿊俑䕕
!GVTIJSPZBNB