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MilanPokharna/Home Screen

Created March 13, 2018 13:46
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Unique Code for each User
Raw
Home Screen
package com.uniquekey.unique_key;
import android.content.Intent;
import android.os.Build;
import android.support.annotation.RequiresApi;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.auth.FirebaseUser;
import com.google.firebase.database.DataSnapshot;
import com.google.firebase.database.DatabaseError;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.database.ValueEventListener;
public class Main2Activity extends AppCompatActivity {
DatabaseReference mref,keyref;
FirebaseUser user;
ProgressBar bar;
FirebaseAuth mAuth=FirebaseAuth.getInstance();
String key = "no id till now";
String name,value;
TextView textView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main2);
bar = (ProgressBar)findViewById(R.id.progress2);
bar.setVisibility(View.VISIBLE);
textView = (TextView)findViewById(R.id.id);
user = mAuth.getCurrentUser();
name = user.getDisplayName().toString();
mref=FirebaseDatabase.getInstance().getReference().child("root");
keyref=FirebaseDatabase.getInstance().getReference().child("root").child("key");
callme();
}
void callme()
{
mref.child("users").child(name).addListenerForSingleValueEvent(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
value = dataSnapshot.child("keystatus").getValue().toString();
//Toast.makeText(Main2Activity.this, "key status is:"+value, Toast.LENGTH_SHORT).show();
upload();
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
});
}
void upload()
{
if (value.equals("0"))
{
keyref.addListenerForSingleValueEvent(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
key = dataSnapshot.getValue().toString();
int i = Integer.parseInt(key.toString());
// Toast.makeText(Main2Activity.this, "key value:"+key, Toast.LENGTH_SHORT).show();
i++;
key = String.valueOf(i).toString();
keyref.setValue(key);
mref.child("users").child(name).child("key").setValue(key);
value = "2";
mref.child("users").child(name).child("keystatus").setValue("1");
bar.setVisibility(View.INVISIBLE);
textView.setText(key);
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
});
}
else if(value.equals("1"))
{
mref.child("users").child(name).addListenerForSingleValueEvent(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
key = dataSnapshot.child("key").getValue().toString();
// Toast.makeText(Main2Activity.this, "key value is "+key, Toast.LENGTH_SHORT).show();
bar.setVisibility(View.INVISIBLE);
textView.setText(key);
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
});
}
}
@RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN)
@Override
public void onBackPressed() {
super.onBackPressed();
finishAffinity();
}
}
Raw
loginActivity
package com.uniquekey.unique_key;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.os.Build;
import android.os.Handler;
import android.support.annotation.NonNull;
import android.support.annotation.RequiresApi;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;
import com.google.android.gms.common.api.ApiException;
import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.Task;
import com.google.firebase.auth.AuthCredential;
import com.google.firebase.auth.AuthResult;
import com.google.firebase.auth.FirebaseAuth;
import com.google.android.gms.auth.api.signin.GoogleSignIn;
import com.google.android.gms.auth.api.signin.GoogleSignInAccount;
import com.google.android.gms.auth.api.signin.GoogleSignInClient;
import com.google.android.gms.auth.api.signin.GoogleSignInOptions;
import com.google.firebase.auth.FirebaseUser;
import com.google.firebase.auth.GoogleAuthProvider;
import com.google.firebase.database.DataSnapshot;
import com.google.firebase.database.DatabaseError;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.database.ValueEventListener;
import java.util.ArrayList;
import java.util.List;
import static android.Manifest.permission.CAMERA;
import static android.Manifest.permission.INTERNET;
import static android.Manifest.permission.READ_EXTERNAL_STORAGE;
import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE;
public class LoginActivity extends AppCompatActivity {
private static final int RC_SIGN_IN = 1;
private TextView mStatusTextView;
private TextView mDetailTextView;
public DatabaseReference ref = FirebaseDatabase.getInstance().getReference().child("root").child("users") ;
public DatabaseReference myref = FirebaseDatabase.getInstance().getReference().child("root").child("users");
private GoogleSignInClient mGoogleSignInClient;
Button googleButton;
String name,profile = "0";
private FirebaseAuth mAuth;
List<String> email = new ArrayList<>();
ProgressDialog progressDialog;
ProgressBar bar;
int a=0;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate( savedInstanceState );
setContentView( R.layout.activity_login );
progressDialog = new ProgressDialog(LoginActivity.this);
bar = (ProgressBar)findViewById(R.id.progress1);
open();
// GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
//.requestIdToken(getString(R.string.default_web_client_id))
//.requestEmail()
//.build();
mAuth=FirebaseAuth.getInstance();
googleButton = (Button)findViewById(R.id.googleButton);
googleButton.setVisibility(View.VISIBLE);
GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
.requestIdToken(getString(R.string.default_web_client_id))
.requestEmail()
.build();
mGoogleSignInClient = GoogleSignIn.getClient(this, gso);
googleButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
// progressDialog.setMessage("Logging you in");
// progressDialog.show();
bar.setVisibility(View.VISIBLE);
signIn();
}
});
}
public void signIn()
{
googleButton.setVisibility(View.GONE);
Intent signInIntent = mGoogleSignInClient.getSignInIntent();
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) {
Task<GoogleSignInAccount> task = GoogleSignIn.getSignedInAccountFromIntent(data);
try {
// Google Sign In was successful, authenticate with Firebase
GoogleSignInAccount account = task.getResult(ApiException.class);
firebaseAuthWithGoogle(account);
} catch (ApiException e) {
// Google Sign In failed, update UI appropriately
Toast.makeText(this, "Authentication Failed", Toast.LENGTH_SHORT).show();
googleButton.setVisibility(View.VISIBLE);
bar.setVisibility(View.INVISIBLE);
// ...
}
}
}
@Override
public void onStart() {
super.onStart();
// Check if user is signed in (non-null) and update UI accordingly.
FirebaseUser currentUser = mAuth.getCurrentUser();
updateUI(currentUser);
}
private void updateUI(final FirebaseUser user) {
if (user != null)
{
googleButton.setVisibility(View.INVISIBLE);
bar.setVisibility(View.VISIBLE);
{
Toast.makeText(this, "you have already logged in", Toast.LENGTH_SHORT).show();
ref.addListenerForSingleValueEvent(new ValueEventListener() {
@RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN)
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
name = user.getDisplayName();
profile = dataSnapshot.child(name).child("profile").getValue().toString();
//Toast.makeText(LoginActivity.this, "profile status:"+profile, Toast.LENGTH_SHORT).show();
if (profile.equals("1")) {
//Toast.makeText(LoginActivity.this, "status:"+profile, Toast.LENGTH_SHORT).show();
Intent intent = new Intent(LoginActivity.this, Main2Activity.class);
intent.putExtra("id", "def");
bar.setVisibility(View.INVISIBLE);
startActivity(intent);
finishAffinity();
}
else if (profile.equals("0")){
if (user != null) {
//Toast.makeText(LoginActivity.this, "changed status:"+profile, Toast.LENGTH_SHORT).show();
Intent intent = new Intent(LoginActivity.this, MainActivity.class);
bar.setVisibility(View.INVISIBLE);
startActivity(intent);
finishAffinity();
}
}
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
});
}
// final Handler handler = new Handler();
// handler.postDelayed(new Runnable() {
// @Override
// public void run() {
// //Do something after 100ms
// }
// }, 100);
//
}
}
private void firebaseAuthWithGoogle(GoogleSignInAccount acct) {
AuthCredential credential = GoogleAuthProvider.getCredential(acct.getIdToken(), null);
mAuth.signInWithCredential(credential)
.addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
if (task.isSuccessful()) {
// Sign in success, update UI with the signed-in user's information
final FirebaseUser user = mAuth.getCurrentUser();
final String name = user.getDisplayName().toString();
ref.addListenerForSingleValueEvent(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
for (DataSnapshot snapshot : dataSnapshot.getChildren())
{
String n = snapshot.getKey().toString();
if (n.equals(name))
{
updateUI(user);
}
}
ref.child(name).child("profile").setValue("0");
//Toast.makeText(LoginActivity.this, name, Toast.LENGTH_SHORT).show();
a=1;
// progressDialog.dismiss();
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
});
} else {
// If sign in fails, display a message to the user.
//Snackbar.make(findViewById(R.id.main_layout), "Authentication Failed.", Snackbar.LENGTH_SHORT).show();
updateUI(null);
}
// ...
}
});
}
public void open()
{
// if(checkPermission())
// {
// }
// else
// {
// Toast.makeText(this, "Please on the Internet", Toast.LENGTH_SHORT).show();
// //requestPermission();
// }
}
// public Boolean checkPermission()
// {
// int result = ContextCompat.checkSelfPermission(getApplicationContext(),INTERNET);
//// int result1 = ContextCompat.checkSelfPermission(getApplicationContext(), CAMERA);
//// int result2 = ContextCompat.checkSelfPermission(getApplicationContext(),WRITE_EXTERNAL_STORAGE);
//
// return result == PackageManager.PERMISSION_GRANTED ;
// }
//
// public void requestPermission()
// {
// int requestCode;
// ActivityCompat.requestPermissions(this,new String[]{CAMERA,WRITE_EXTERNAL_STORAGE,READ_EXTERNAL_STORAGE,INTERNET},requestCode=1);
// }
//
// @Override
// public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) {
// switch (requestCode) {
// case 1:
// if (grantResults.length > 0) {
//
// boolean locationAccepted = grantResults[0] == PackageManager.PERMISSION_GRANTED;
// boolean cameraAccepted = grantResults[1] == PackageManager.PERMISSION_GRANTED;
//
// if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
// if (shouldShowRequestPermissionRationale( CAMERA )) {
// showMessageOKCancel( "You need to allow access to both the permissions",
// new DialogInterface.OnClickListener() {
// @Override
// public void onClick(DialogInterface dialog, int which) {
// if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
// requestPermissions( new String[]{CAMERA, WRITE_EXTERNAL_STORAGE, READ_EXTERNAL_STORAGE, INTERNET},
// 1 );
// }
// }
// } );
// return;
// }
// }
//
// }
//
//
// break;
// }
// }
//
// private void showMessageOKCancel(String message, DialogInterface.OnClickListener okListener) {
// new AlertDialog.Builder( LoginActivity.this )
// .setMessage( message )
// .setPositiveButton( "OK", okListener )
// .create()
// .show();
// }
@RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN)
@Override
public void onBackPressed() {
super.onBackPressed();
finishAffinity();
}
}
Raw
taking User Details
package com.uniquekey.unique_key;
import android.content.Intent;
import android.os.Build;
import android.support.annotation.RequiresApi;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.auth.FirebaseUser;
import com.google.firebase.database.DataSnapshot;
import com.google.firebase.database.DatabaseError;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.database.ValueEventListener;
public class MainActivity extends AppCompatActivity {
public DatabaseReference ref = FirebaseDatabase.getInstance().getReference().child("root").child("users");
public FirebaseAuth mAuth=FirebaseAuth.getInstance();
public FirebaseUser user;
DatabaseReference key = FirebaseDatabase.getInstance().getReference().child("root").child("key");
EditText username,phone,uniquecode;
int a,b;
String usern,ph,uniquec,keyc;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
user = mAuth.getCurrentUser();
username = (EditText)findViewById(R.id.user);
phone = (EditText)findViewById(R.id.phone);
uniquecode = (EditText)findViewById(R.id.uniquecode);
final String name = user.getDisplayName();
Button button=(Button)findViewById(R.id.ok);
key.addListenerForSingleValueEvent(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
keyc = dataSnapshot.getValue().toString();
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
});
button.setOnClickListener(new View.OnClickListener() {
@RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN)
@Override
public void onClick(View v) {
ph = phone.getText().toString();
usern = username.getText().toString();
uniquec = uniquecode.getText().toString();
a = Integer.parseInt(uniquec.toString());
b = Integer.parseInt(keyc.toString());
if ((0 < a) && (a<= b))
{
Intent i = new Intent(MainActivity.this , Main2Activity.class);
ref.child(name).child("profile").setValue("1");
ref.child(name).child("keystatus").setValue("0");
ref.child(name).child("username").setValue(usern);
ref.child(name).child("phone no").setValue(ph);
startActivity(i);
finishAffinity();
}
else
{
Toast.makeText(MainActivity.this, "Unique Code is not valid", Toast.LENGTH_SHORT).show();
uniquecode.setText("");
}
}
});
}
}
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