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firebase#1-firebase#7 codelab
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@DylanLeon
DylanLeon committed Feb 7, 2017
1 parent 3227d78 commit eaef51d
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Showing 6 changed files with 183 additions and 17 deletions.
18 changes: 9 additions & 9 deletions android-start/app/build.gradle
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Original file line number Diff line number Diff line change
Expand Up @@ -42,17 +42,17 @@ dependencies {
compile 'com.android.support:appcompat-v7:25.0.0'

// Google
compile 'com.google.android.gms:play-services-auth:10.0.0'
compile 'com.google.android.gms:play-services-auth:10.0.1'

// Firebase
compile 'com.google.firebase:firebase-database:10.0.0'
compile 'com.google.firebase:firebase-auth:10.0.0'
compile 'com.google.firebase:firebase-config:10.0.0'
compile 'com.google.android.gms:play-services-appinvite:10.0.0'
compile 'com.google.firebase:firebase-messaging:10.0.0'
compile 'com.google.android.gms:play-services-ads:10.0.0'
compile 'com.google.firebase:firebase-crash:10.0.0'
compile 'com.google.firebase:firebase-appindexing:10.0.0'
compile 'com.google.firebase:firebase-database:10.0.1'
compile 'com.google.firebase:firebase-auth:10.0.1'
compile 'com.google.firebase:firebase-config:10.0.1'
compile 'com.google.android.gms:play-services-appinvite:10.0.1'
compile 'com.google.firebase:firebase-messaging:10.0.1'
compile 'com.google.android.gms:play-services-ads:10.0.1'
compile 'com.google.firebase:firebase-crash:10.0.1'
compile 'com.google.firebase:firebase-appindexing:10.0.1'

// Firebase UI
compile 'com.firebaseui:firebase-ui-database:0.4.0'
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18 changes: 15 additions & 3 deletions android-start/app/src/main/AndroidManifest.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -8,16 +8,28 @@
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme">

<activity android:name="com.google.firebase.codelab.friendlychat.MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />

<category android:name="android.intent.category.LAUNCHER" />
<action android:name="android.intent.action.MAIN"/>
<category android:name="android.intent.category.LAUNCHER"/>
</intent-filter>
<intent-filter>
<action android:name="android.intent.action.VIEW"/>
<category android:name="android.intent.category.DEFAULT"/>
<category android:name="android.intent.category.BROWSABLE"/>
<data
android:host="friendlychat.firebase.google.com"
android:scheme="http"
android:pathPrefix="/message"
/>
</intent-filter>
</activity>

<activity android:name=".SignInActivity" />



</application>

</manifest>
110 changes: 107 additions & 3 deletions android-start/app/src/main/java/com/google/firebase/codelab/friendlychat/MainActivity.java
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Original file line number Diff line number Diff line change
Expand Up @@ -104,6 +104,11 @@ public MessageViewHolder(View v) {
private EditText mMessageEditText;

// Firebase instance variables
private FirebaseAuth mFirebaseAuth;
private FirebaseUser mFirebaseUser;
private DatabaseReference mFirebaseDatabaseReference;
private FirebaseRecyclerAdapter<FriendlyMessage, MessageViewHolder>
mFirebaseAdapter;

@Override
protected void onCreate(Bundle savedInstanceState) {
Expand All @@ -113,6 +118,21 @@ protected void onCreate(Bundle savedInstanceState) {
// Set default username is anonymous.
mUsername = ANONYMOUS;

// Initialize Firebase Auth
mFirebaseAuth = FirebaseAuth.getInstance();
mFirebaseUser = mFirebaseAuth.getCurrentUser();
if (mFirebaseUser == null) {
// Not signed in, launch the Sign In activity
startActivity(new Intent(this, SignInActivity.class));
finish();
return;
} else {
mUsername = mFirebaseUser.getDisplayName();
if (mFirebaseUser.getPhotoUrl() != null) {
mPhotoUrl = mFirebaseUser.getPhotoUrl().toString();
}
}

mGoogleApiClient = new GoogleApiClient.Builder(this)
.enableAutoManage(this /* FragmentActivity */, this /* OnConnectionFailedListener */)
.addApi(Auth.GOOGLE_SIGN_IN_API)
Expand All @@ -125,7 +145,54 @@ protected void onCreate(Bundle savedInstanceState) {
mLinearLayoutManager.setStackFromEnd(true);
mMessageRecyclerView.setLayoutManager(mLinearLayoutManager);

mProgressBar.setVisibility(ProgressBar.INVISIBLE);
// New child entries
mFirebaseDatabaseReference = FirebaseDatabase.getInstance().getReference();
mFirebaseAdapter = new FirebaseRecyclerAdapter<FriendlyMessage,
MessageViewHolder>(
FriendlyMessage.class,
R.layout.item_message,
MessageViewHolder.class,
mFirebaseDatabaseReference.child(MESSAGES_CHILD)) {

@Override
protected void populateViewHolder(MessageViewHolder viewHolder,
FriendlyMessage friendlyMessage, int position) {
mProgressBar.setVisibility(ProgressBar.INVISIBLE);
viewHolder.messageTextView.setText(friendlyMessage.getText());
viewHolder.messengerTextView.setText(friendlyMessage.getName());
if (friendlyMessage.getPhotoUrl() == null) {
viewHolder.messengerImageView
.setImageDrawable(ContextCompat
.getDrawable(MainActivity.this,
R.drawable.ic_account_circle_black_36dp));
} else {
Glide.with(MainActivity.this)
.load(friendlyMessage.getPhotoUrl())
.into(viewHolder.messengerImageView);
}
}
};

mFirebaseAdapter.registerAdapterDataObserver(new RecyclerView.AdapterDataObserver() {
@Override
public void onItemRangeInserted(int positionStart, int itemCount) {
super.onItemRangeInserted(positionStart, itemCount);
int friendlyMessageCount = mFirebaseAdapter.getItemCount();
int lastVisiblePosition =
mLinearLayoutManager.findLastCompletelyVisibleItemPosition();
// If the recycler view is initially being loaded or the
// user is at the bottom of the list, scroll to the bottom
// of the list to show the newly added message.
if (lastVisiblePosition == -1 ||
(positionStart >= (friendlyMessageCount - 1) &&
lastVisiblePosition == (positionStart - 1))) {
mMessageRecyclerView.scrollToPosition(positionStart);
}
}
});

mMessageRecyclerView.setLayoutManager(mLinearLayoutManager);
mMessageRecyclerView.setAdapter(mFirebaseAdapter);

mMessageEditText = (EditText) findViewById(R.id.messageEditText);
mMessageEditText.setFilters(new InputFilter[]{new InputFilter.LengthFilter(mSharedPreferences
Expand Down Expand Up @@ -153,7 +220,13 @@ public void afterTextChanged(Editable editable) {
mSendButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
// Send messages on click.
FriendlyMessage friendlyMessage = new
FriendlyMessage(mMessageEditText.getText().toString(),
mUsername,
mPhotoUrl);
mFirebaseDatabaseReference.child(MESSAGES_CHILD)
.push().setValue(friendlyMessage);
mMessageEditText.setText("");
}
});
}
Expand Down Expand Up @@ -189,7 +262,38 @@ public boolean onCreateOptionsMenu(Menu menu) {

@Override
public boolean onOptionsItemSelected(MenuItem item) {
return super.onOptionsItemSelected(item);
switch (item.getItemId()) {

case R.id.sign_out_menu:
mFirebaseAuth.signOut();
Auth.GoogleSignInApi.signOut(mGoogleApiClient);
mUsername = ANONYMOUS;
startActivity(new Intent(this, SignInActivity.class));
return true;

default:
return super.onOptionsItemSelected(item);
}
}

private Indexable getMessageIndexable(FriendlyMessage friendlyMessage) {
PersonBuilder sender = Indexables.personBuilder()
.setIsSelf(mUsername == friendlyMessage.getName())
.setName(friendlyMessage.getName())
.setUrl(MESSAGE_URL.concat(friendlyMessage.getId() + "/sender"));

PersonBuilder recipient = Indexables.personBuilder()
.setName(mUsername)
.setUrl(MESSAGE_URL.concat(friendlyMessage.getId() + "/recipient"));

Indexable messageToIndex = Indexables.messageBuilder()
.setName(friendlyMessage.getText())
.setUrl(MESSAGE_URL.concat(friendlyMessage.getId()))
.setSender(sender)
.setRecipient(recipient)
.build();

return messageToIndex;
}

@Override
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50 changes: 50 additions & 0 deletions android-start/app/src/main/java/com/google/firebase/codelab/friendlychat/SignInActivity.java
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Expand Up @@ -48,6 +48,7 @@ public class SignInActivity extends AppCompatActivity implements
private GoogleApiClient mGoogleApiClient;

// Firebase instance variables
private FirebaseAuth mFirebaseAuth;

@Override
protected void onCreate(Bundle savedInstanceState) {
Expand All @@ -71,16 +72,65 @@ protected void onCreate(Bundle savedInstanceState) {
.build();

// Initialize FirebaseAuth
mFirebaseAuth = FirebaseAuth.getInstance();
}

@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.sign_in_button:
signIn();
break;
}
}

private void signIn() {
Intent signInIntent = Auth.GoogleSignInApi.getSignInIntent(mGoogleApiClient);
startActivityForResult(signInIntent, RC_SIGN_IN);
}

@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);

// Result returned from launching the Intent from GoogleSignInApi.getSignInIntent(...);
if (requestCode == RC_SIGN_IN) {
GoogleSignInResult result = Auth.GoogleSignInApi.getSignInResultFromIntent(data);
if (result.isSuccess()) {
// Google Sign In was successful, authenticate with Firebase
GoogleSignInAccount account = result.getSignInAccount();
firebaseAuthWithGoogle(account);
} else {
// Google Sign In failed
Log.e(TAG, "Google Sign In failed.");
}
}
}

private void firebaseAuthWithGoogle(GoogleSignInAccount acct) {
Log.d(TAG, "firebaseAuthWithGooogle:" + acct.getId());
AuthCredential credential = GoogleAuthProvider.getCredential(acct.getIdToken(), null);
mFirebaseAuth.signInWithCredential(credential)
.addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
Log.d(TAG, "signInWithCredential:onComplete:" + task.isSuccessful());

// If sign in fails, display a message to the user. If sign in succeeds
// the auth state listener will be notified and logic to handle the
// signed in user can be handled in the listener.
if (!task.isSuccessful()) {
Log.w(TAG, "signInWithCredential", task.getException());
Toast.makeText(SignInActivity.this, "Authentication failed.",
Toast.LENGTH_SHORT).show();
} else {
startActivity(new Intent(SignInActivity.this, MainActivity.class));
finish();
}
}
});
}

@Override
public void onConnectionFailed(@NonNull ConnectionResult connectionResult) {
// An unresolvable error has occurred and Google APIs (including Sign-In) will not
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2 changes: 1 addition & 1 deletion android-start/build.gradle
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@ buildscript {
mavenLocal()
}
dependencies {
classpath 'com.android.tools.build:gradle:2.2.2'
classpath 'com.android.tools.build:gradle:2.2.3'
classpath 'com.google.gms:google-services:3.0.0'

// NOTE: Do not place your application dependencies here; they belong
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2 changes: 1 addition & 1 deletion android/build.gradle
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@ buildscript {
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:2.2.2'
classpath 'com.android.tools.build:gradle:2.2.3'
classpath 'com.google.gms:google-services:3.0.0'

// NOTE: Do not place your application dependencies here; they belong
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