您好，有人可以帮我实现带有google登录，导航抽屉和注销的android应用。一旦选择在抽屉中注销，该应用就会关闭，您必须重新打开该应用才能看到登录屏幕。
public class GoogleLogInActivity extends BaseActivity implements View.OnClickListener {
private static String TAG = GoogleLogInActivity.class.getSimpleName();
private static int RC_SIGN_IN = 0;
private FirebaseAuth.AuthStateListener mAuthListener;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_google_log_in);
findViewById(R.id.sign_in_button).setOnClickListener(this);
mAuthListener = new FirebaseAuth.AuthStateListener() {
@Override
public void onAuthStateChanged(@NonNull FirebaseAuth firebaseAuth) {
mFirebaseUser = firebaseAuth.getCurrentUser();
// if !null then we have signed in and direct us to the next activity
if (mFirebaseUser != null) {
if(BuildConfig.DEBUG)
Log.d(TAG, "user logged in" + mFirebaseUser.getDisplayName());
// starts the next activity upon successfull sign in
startActivity(new Intent(GoogleLogInActivity.this,
Navigation_Activity.class));
} else{
if(BuildConfig.DEBUG)
Log.d(TAG,"Signed out");
}
}
};
}
@Override
protected void onStart() {
super.onStart();
mAuth.addAuthStateListener(mAuthListener);
}
@Override
protected void onStop() {
super.onStop();
if(mAuthListener != null)
mAuth.removeAuthStateListener(mAuthListener);
}
@Override
public void onClick(View v) {
switch (v.getId()){
case R.id.sign_in_button:
showProgressDialog();
signIn();
}
}
private void signIn() {
Intent signInIntent = Auth.GoogleSignInApi.getSignInIntent(mGoogleApiClient);
startActivityForResult(signInIntent, RC_SIGN_IN);
}
// Google sign in was success call firebaseAuthWithGoogle to get firebase Authentication
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
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
hideProgressDialog();
Log.d(TAG, "Google sign in failed");
Toast.makeText(GoogleLogInActivity.this
," Google Sign in failed!! ",
Toast.LENGTH_SHORT).show();
}
}else
hideProgressDialog();
}
private void firebaseAuthWithGoogle(final GoogleSignInAccount account) {
if(BuildConfig.DEBUG)
Log.d(TAG,"firebaseAuthWithGoogle:" + account.getDisplayName());
AuthCredential credential = GoogleAuthProvider.getCredential(account.getIdToken(), null );
mAuth.signInWithCredential(credential)
.addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
Log.d(TAG, "signInWithCredential:onComplete: " + task.isSuccessful());
if(task.isSuccessful()){
String photoUrl = null;
if(account.getPhotoUrl() != null){
photoUrl = account.getPhotoUrl().toString();
}
// constructor access for user data
Users user = new Users(
account.getDisplayName() + " " + account.getFamilyName(),
account.getEmail(),
photoUrl,
FirebaseAuth.getInstance().getCurrentUser().getUid()
);
//Get firebase database instance for user infromation storage
FirebaseDatabase db = FirebaseDatabase.getInstance();
DatabaseReference userRef = db.getReference(Constants.USER_KEY);
userRef.child(account.getEmail().replace(".",","))
.setValue(user, new DatabaseReference.CompletionListener() {
@Override
public void onComplete(@Nullable DatabaseError databaseError, @NonNull DatabaseReference databaseReference) {
finish();
}
});
if(BuildConfig.DEBUG)Log.v(TAG, "FirebaseAuth success");
}
//
else{
// if sign in fails display a message to the user
hideProgressDialog();
Log.v(TAG,"SignInWithCredential", task.getException());
Log.v(TAG, "Authentication failed");
Toast.makeText(GoogleLogInActivity.this
,"Sign in failed!! verify network connection ",
Toast.LENGTH_SHORT).show();
}
}
});
}
}
public class Navigation_Activity extends AppCompatActivity implements NavigationView.
OnNavigationItemSelectedListener {
private DrawerLayout drawer;
private ActionBarDrawerToggle toggle;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_navigation_);
//toolbar support to set our custom toolbar
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar_id);
setSupportActionBar(toolbar);
// adds the burger icon to the toolbar
drawer = (DrawerLayout) findViewById(R.id.drawerlayout_id);
toggle = new ActionBarDrawerToggle(this,drawer,toolbar,R.string.nav_open_drawer,R.string.nav_close_drawer);
// adds the drawer toggle to the drawer layout
//then call sync state to to synchronise the icon on the toolbar with state of the drawer
drawer.addDrawerListener(toggle);
toggle.syncState();
// listener for navigation view to fire click options events
NavigationView navView = (NavigationView) findViewById(R.id.nav_view);
navView.setNavigationItemSelectedListener(this);
// use fragment transaction to display SearchFragment instance
Fragment fragment = new SearchFragment();
FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
ft.add(R.id.contentframe_id,fragment);
ft.commit();
}
// gets called when an item is clicked in the drawer
@Override
public boolean onNavigationItemSelected(@NonNull MenuItem item) {
int id = item.getItemId();
Fragment fragment = null;
Intent intent = null;
switch(id){
case R.id.nav_album:
intent = new Intent(this, AlbumActivity.class);
break;
case R.id.nav_single:
intent = new Intent(this, SinglesActivity.class);
break;
case R.id.nav_artist:
intent = new Intent(this, ArtistActivity.class);
break;
case R.id.nav_cart:
intent = new Intent(this, CartActivity.class);
break;
case R.id.nav_logout:
intent = new Intent(this, LogoutActivity.class);
}
// display appropriate fragment or activity depending on selected item in drawer
if(fragment != null){
FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
ft.replace(R.id.contentframe_id,fragment);
ft.commit();
}else{
startActivity(intent);
}
// close the drawer when user selects an item in the drawer
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawerlayout_id);
drawer.closeDrawer(GravityCompat.START);
return true;
}
// if drawer is open close it if the user press back button
@Override
public void onBackPressed() {
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawerlayout_id);
if(drawer.isDrawerOpen(GravityCompat.START)){
drawer.closeDrawer(GravityCompat.START);
}else{
super.onBackPressed();
}
}
}
public class BaseActivity extends AppCompatActivity implements
GoogleApiClient.OnConnectionFailedListener {
protected FirebaseUser mFirebaseUser;
protected GoogleApiClient mGoogleApiClient;
protected FirebaseAuth mAuth;
private ProgressDialog mProgressDialog;
private GoogleSignInOptions gso;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mAuth = FirebaseAuth.getInstance();
// Check if user is signed in
if(mAuth != null){
mFirebaseUser = FirebaseAuth.getInstance().getCurrentUser();
}
// Configure Google Sign In, the client ID is in the GOOGLE JSON FILE
GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
.requestIdToken(getString(R.string.default_web_client_id))
.requestEmail()
.build();
// GoogleApiClient with access to the Google Sign-In API specified by gso
mGoogleApiClient = new GoogleApiClient.Builder(this)
.enableAutoManage(this,this)
.addApi(Auth.GOOGLE_SIGN_IN_API,gso)
.build();
}
protected void showProgressDialog(){
if(mProgressDialog == null){
mProgressDialog = new ProgressDialog(this);
mProgressDialog.setMessage(getString(R.string.loading)); // will pull loading string from strings.xml
mProgressDialog.setIndeterminate(true);
}
mProgressDialog.show();
}
public void hideProgressDialog() {
if (mProgressDialog != null && mProgressDialog.isShowing()) {
mProgressDialog.dismiss();
}
}
protected void signOut(){
mAuth.signOut();
Auth.GoogleSignInApi.signOut(mGoogleApiClient)
.setResultCallback(new ResultCallback<Status>() {
@Override
public void onResult(@NonNull Status status) {
if (status.isSuccess()) {
Log.d("BaseAct","User Logged out");
} else {
Log.d("BaseAct","SignOutFailed");
}
}
});
}
@Override
protected void onDestroy() {
super.onDestroy();
hideProgressDialog();
}
@Override
public void onConnectionFailed(@NonNull ConnectionResult connectionResult) {
Log.d("BaseAct","Error");
}
}