successful login-reg using web server

app/build.gradle

@@ -28,4 +28,5 @@ dependencies {
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
     implementation 'com.android.support:cardview-v7:29.0.2'
     implementation "androidx.annotation:annotation:1.1.0"
+    implementation 'com.android.volley:volley:1.1.1'
 }

app/src/main/AndroidManifest.xml

@@ -2,6 +2,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.example.alzapp">
 
+    <uses-permission android:name="android.permission.INTERNET" />
+
     <application
         android:allowBackup="true"
         android:icon="@drawable/app_icon"
@@ -9,7 +11,8 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme.NoActionBar">
-        <activity android:name=".QuickPlayMenu"></activity>
+        <activity android:name=".UserAreaActivity"></activity>
+        <activity android:name=".QuickPlayMenu" />
         <activity android:name=".TileMatchingActivity" />
         <activity android:name=".WelcomeActivity" />
         <activity android:name=".JumbleActivity" />

app/src/main/java/com/example/alzapp/DatabaseHelper.java

@@ -1,72 +0,0 @@
-package com.example.alzapp;
-
-import androidx.appcompat.app.AppCompatActivity;
-
-import android.content.Context;
-import android.database.Cursor;
-import android.database.sqlite.SQLiteDatabase;
-import android.database.sqlite.SQLiteOpenHelper;
-import android.widget.Toast;
-/*******
-Created on: 21/01/2020
-
- By: B.Priyatham sai chand
-
-
- ********/
-
-public class DatabaseHelper extends SQLiteOpenHelper {
-
-    private static final String DATABASE_NAME = "User.db";
-    private static final String TABLE_NAME = "tblUser";
-    private static final int DATABASE_VERSION = 2;
-    private Context context;
-
-    DatabaseHelper(Context context){
-        super (context, DATABASE_NAME,null, DATABASE_VERSION);
-        this.context = context;
-
-    }
-
-    @Override
-    public void onCreate(SQLiteDatabase db) {
-
-        db.execSQL("CREATE TABLE GENDER (GENDER INTEGER PRIMARY KEY, VALUE VARCHAR(20));");
-        db.execSQL("CREATE TABLE TBLUSERINFO (USERID INTEGER PRIMARY KEY AUTOINCREMENT,USERNAME TEXT,PASSWORD TEXT,FIRSTNAME VARCHAR(20),LASTNAME VARCHAR(20), DOB TEXT,EMAIL TEXT, GENDER INTEGER,FOREIGN KEY(GENDER) REFERENCES GENDER(GENDER));");
-        db.execSQL("CREATE TABLE TBLUSERNAME(ID INTEGER PRIMARY KEY, USERNAME TEXT,PASSWORD TEXT)");
-    }
-
-    @Override
-    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
-
-        db.execSQL("DROP TABLE IF EXISTS TBLUSERINFO;");
-        onCreate(db);
-    }
-
-    public Cursor getAllData() {
-        SQLiteDatabase db = this.getWritableDatabase();
-        Cursor res = db.rawQuery("select * from TBLUSERINFO ORDER BY USERID",null);
-        return res;
-    }
-
-    public void insertUsername(String username ,String password){
-        SQLiteDatabase db = this.getWritableDatabase();
-        db.execSQL("INSERT INTO TBLUSERNAME VALUES (username,password);");
-
-    }
-
-
-    public void insertData(String reg_username,String reg_password,String first_name,String Last_name,String dob, String email,int gender)    {
-        SQLiteDatabase db = this.getWritableDatabase();
-        db.execSQL("INSERT INTO TBLUSERINFO VALUES (reg_username,reg_password,first_name,last_name,dob,email,gender);");
-
-    }
-
-
-    public Cursor selectData(String firstname)    {
-        SQLiteDatabase db = this.getWritableDatabase();
-        Cursor res = db.rawQuery("select * from TBLUSERINFO WHERE FIRSTNAME='" + firstname + "' ORDER BY ID",null);
-        return res;
-    }
-
-}

app/src/main/java/com/example/alzapp/LoginRequest.java

@@ -0,0 +1,24 @@
+package com.example.alzapp;
+
+import com.android.volley.Response;
+import com.android.volley.toolbox.StringRequest;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class LoginRequest extends StringRequest {
+    private static final String LOGIN_REQUEST_URL = "https://eclectic-sweeps.000webhostapp.com/login.php";
+    private Map<String, String> params;
+
+    public LoginRequest(String username, String password, Response.Listener<String> listener) {
+        super(Method.POST, LOGIN_REQUEST_URL, listener, null);
+        params = new HashMap<>();
+        params.put("username", username);
+        params.put("password", password);
+    }
+
+    @Override
+    public Map<String, String> getParams() {
+        return params;
+    }
+}

app/src/main/java/com/example/alzapp/Registerequest.java

@@ -0,0 +1,30 @@
+package com.example.alzapp;
+
+import com.android.volley.Response;
+import com.android.volley.toolbox.*;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class Registerequest extends StringRequest {
+    private static final String REGISTER_REQUEST_URL = "https://eclectic-sweeps.000webhostapp.com/registration.php";
+    private Map<String, String> params;
+
+    public Registerequest(String firstname, String lastname,String username,String dob,String email,String password, Response.Listener<String> listener) {
+        super(Method.POST, REGISTER_REQUEST_URL, listener, null);
+        params = new HashMap<>();
+        params.put("username", username);
+        params.put("password", password);
+        params.put("firstname", firstname);
+        params.put("lastname", lastname);
+        params.put("dob",dob);
+        params.put("email",email);
+
+
+    }
+
+    @Override
+    public Map<String, String> getParams() {
+        return params;
+    }
+}

app/src/main/java/com/example/alzapp/UserAreaActivity.java

@@ -0,0 +1,32 @@
+package com.example.alzapp;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.os.Bundle;
+
+import android.content.Intent;
+
+import android.widget.EditText;
+import android.widget.TextView;
+
+public class UserAreaActivity extends AppCompatActivity {
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_user_area);
+
+        Intent intent = getIntent();
+        String username = intent.getStringExtra("username");
+
+
+        TextView tvWelcomeMsg = (TextView) findViewById(R.id.tvWelcomeMsg);
+        EditText etUsername = (EditText) findViewById(R.id.etUsername);
+
+
+        // Display user details
+        String message = username + " welcome to your user area";
+        tvWelcomeMsg.setText(message);
+        etUsername.setText(username);
+
+    }
+}

app/src/main/java/com/example/alzapp/login.java

@@ -1,13 +1,17 @@
 package com.example.alzapp;
 
 import androidx.appcompat.app.AppCompatActivity;
-
+import android.widget.EditText;
 import android.content.Intent;
 import android.os.Bundle;
 import android.view.View;
 import android.widget.Button;
 import android.widget.TextView;
-
+import org.json.*;
+import java.lang.*;
+import com.android.volley.*;
+import com.android.volley.toolbox.*;
+import android.app.AlertDialog;
 /*******
  Created on: 21/01/2020
 
@@ -18,13 +22,16 @@ import android.widget.TextView;
 
 public class login extends AppCompatActivity {
     private TextView signup;
+    private Button signin;
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_login);
 
-
+        signin = (Button) findViewById(R.id.signin_button);
         signup = (TextView) findViewById(R.id.signUp_text);
+        final EditText etUsername = (EditText) findViewById(R.id.etUsername);
+        final EditText etPassword = (EditText) findViewById(R.id.etPassword);
 
         signup.setOnClickListener(new View.OnClickListener() {
             @Override
@@ -41,6 +48,7 @@ public class login extends AppCompatActivity {
 
 
 
+
         Button back = (Button) findViewById(R.id.back);
 
         back.setOnClickListener(new View.OnClickListener() {
@@ -50,6 +58,55 @@ public class login extends AppCompatActivity {
             }
         });
 
+        signin.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+
+                final String username = etUsername.getText().toString();
+                final String password = etPassword.getText().toString();
+
+                Response.Listener<String> responseListener = new Response.Listener<String>() {
+                    @Override
+                    public void onResponse(String response) {
+                        try {
+                            JSONObject jsonResponse = new JSONObject(response);
+                            boolean success = jsonResponse.getBoolean("success");
+
+                            if (success) {
+                                String username1 = jsonResponse.getString("username");
+
+
+                                Intent intent = new Intent(login.this, UserAreaActivity.class);
+                                intent.putExtra("name", username1);
+
+
+                                login.this.startActivity(intent);
+                            } else {
+                                AlertDialog.Builder builder = new AlertDialog.Builder(login.this);
+                                builder.setMessage("Login Failed")
+                                        .setNegativeButton("Retry", null)
+                                        .create()
+                                        .show();
+                            }
+
+                        } catch (JSONException e) {
+                            e.printStackTrace();
+                        }
+                    }
+                };
+
+                LoginRequest loginRequest = new LoginRequest(username, password, responseListener);
+                RequestQueue queue = Volley.newRequestQueue(login.this);
+                queue.add(loginRequest);
+
+
+            }
+        });
+
+
+
+
+
     }
 
 

app/src/main/java/com/example/alzapp/registration.java

@@ -17,11 +17,16 @@ import java.text.DateFormat;
 import java.util.Calendar;
 import android.view.LayoutInflater;
 import android.widget.ImageView;
-import android.widget.TextView;
+
 import android.widget.Toast;
-import android.view.View;
+
 import android.view.ViewGroup;
 import android.view.Gravity;
+import org.json.*;
+import java.lang.*;
+import com.android.volley.*;
+import com.android.volley.toolbox.*;
+import android.app.AlertDialog;
 /*******
  Created on: 21/01/2020
 
@@ -33,7 +38,7 @@ import android.view.Gravity;
 public class registration extends AppCompatActivity implements DatePickerDialog.OnDateSetListener {
     private TextView signin;
     private TextView dob;
-    com.example.alzapp.DatabaseHelper dal;
+
     SQLiteDatabase sqLiteDatabase;
     private RadioGroup radioSexGroup;
     private RadioButton radioSexButton;
@@ -50,8 +55,8 @@ public class registration extends AppCompatActivity implements DatePickerDialog.
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_registration);
 
-        dal = new DatabaseHelper(registration.this);
+
-        username = (EditText) findViewById(R.id.reg_useername);
+        username = (EditText) findViewById(R.id.reg_username);
         password = (EditText) findViewById(R.id.reg_password);
         firstname = (EditText) findViewById(R.id.firstname);
         lastname = (EditText) findViewById(R.id.lastname);
@@ -83,9 +88,34 @@ public class registration extends AppCompatActivity implements DatePickerDialog.
 
                 else {
 
+                    Response.Listener<String> responseListener = new Response.Listener<String>() {
+                        @Override
+                        public void onResponse(String response) {
+                            try {
+                                JSONObject jsonResponse = new JSONObject(response);
+                                boolean success = jsonResponse.getBoolean("success");
+                                if (success) {
+                                    Intent intent = new Intent(registration.this,login.class);
+                                    startActivity(intent);
+                                } else {
+                                    AlertDialog.Builder builder = new AlertDialog.Builder(registration.this);
+                                    builder.setMessage("Register Failed")
+                                            .setNegativeButton("Retry", null)
+                                            .create()
+                                            .show();
+                                }
+                            } catch (JSONException e) {
+                                e.printStackTrace();
+                            }
+                        }
+                    };
+                    Registerequest reg_request = new Registerequest(firstname.getText().toString(),lastname.getText().toString(),username.getText().toString(),dob.getText().toString(),email_id.getText().toString(),password.getText().toString(),responseListener);
+                    RequestQueue queue = Volley.newRequestQueue(registration.this);
+                    queue.add(reg_request);
+
+
 
 
-                    insertData();
 
                 }
             }
@@ -151,15 +181,15 @@ public class registration extends AppCompatActivity implements DatePickerDialog.
                 radioSexButton = (RadioButton) findViewById(selectedId);
 
                 if(radioSexButton.getText() == "Male"){
-                    sex = 0;
+                    sex = 1;
                 }
                 else if (radioSexButton.getText() == "Female"){
 
-                    sex = 1;
+                    sex = 2;
                 }
                 else{
 
-                    sex = -1;
+                    sex = 3;
                 }
 
 
@@ -168,12 +198,7 @@ public class registration extends AppCompatActivity implements DatePickerDialog.
 
 
     }
-    public void insertData(){
 
-        dal.insertData(username.getText().toString(),lastname.getText().toString(),firstname.getText().toString(),lastname.getText().toString(),dob.getText().toString(),email_id.getText().toString(),sex);
-
-
-    }
     public boolean isEmpty(EditText etText) {
         return etText.getText().toString().trim().length() == 0;
     }
@@ -196,4 +221,8 @@ public class registration extends AppCompatActivity implements DatePickerDialog.
         toast.show();
     }
 
+
+
+
+
 }

app/src/main/res/layout/activity_login.xml

@@ -46,6 +46,7 @@
 
 
         <EditText
+            android:id="@+id/etUsername"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:background="@drawable/edit_text_top"
@@ -54,6 +55,7 @@
             android:padding="15dp" />
 
         <EditText
+            android:id="@+id/etPassword"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:background="@drawable/edit_text_bottom"
@@ -63,6 +65,7 @@
 
 
         <Button
+            android:id="@+id/signin_button"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_marginTop="10dp"

app/src/main/res/layout/activity_registration.xml

@@ -41,7 +41,7 @@
             android:textSize="14sp" />
 
         <EditText
-            android:id="@+id/reg_useername"
+            android:id="@+id/reg_username"
             android:layout_width="300dp"
             android:layout_height="42dp"
             android:layout_marginStart="24dp"

app/src/main/res/layout/activity_user_area.xml

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:padding="@dimen/activity_horizontal_margin">
+
+    <TextView
+        android:id="@+id/tvWelcomeMsg"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentStart="true"
+        android:layout_alignParentTop="true"
+        android:text="hello world"
+        android:textAppearance="?android:attr/textAppearanceLarge" />
+
+    <TextView
+        android:id="@+id/textView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentStart="true"
+        android:layout_below="@+id/tvWelcomeMsg"
+        android:text="Username"
+        android:textAppearance="?android:attr/textAppearanceMedium" />
+
+    <EditText
+        android:id="@+id/etUsername"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentEnd="true"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentRight="true"
+        android:layout_alignParentStart="true"
+        android:layout_below="@+id/textView"
+        android:editable="false" />
+
+
+
+
+
+</RelativeLayout>

app/src/main/res/values/dimens.xml

@@ -0,0 +1,6 @@
+
+<resources>
+    <!-- Default screen margins, per the Android Design guidelines. -->
+    <dimen name="activity_horizontal_margin">16dp</dimen>
+    <dimen name="activity_vertical_margin">16dp</dimen>
+</resources>