Notes

package com.example.asusrog.papajohns;

import android.app.ProgressDialog;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.os.AsyncTask;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.util.ArrayList;
import java.util.HashMap;

public class LoginActivity extends AppCompatActivity {

EditText emailEditText;
EditText passwordEditText;
Button loginBT;


private static final String TAG_NAME = "name";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_login);

emailEditText = (EditText) findViewById(R.id.usernameET);
passwordEditText = (EditText) findViewById(R.id.passwordET);
loginBT = (Button) findViewById(R.id.button);

SQLiteDatabase db;
db=openOrCreateDatabase("papaJ", Context.MODE_PRIVATE, null);
Cursor c =db.rawQuery("SELECT name FROM users LIMIT(1);",null);

if(c.moveToFirst()){
Intent i = new Intent(LoginActivity.this,MainActivity.class);
startActivity(i);
finish();
Toast.makeText(getApplicationContext(), "Welcome "+c.getString(0), Toast.LENGTH_LONG).show();
}else
loginBT.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String email = emailEditText.getText().toString();
String pass = passwordEditText.getText().toString();

new PostAsync().execute(email, pass);

}
});
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_login, menu);
return true;
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();

//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}

return super.onOptionsItemSelected(item);
}
class PostAsync extends AsyncTask<String, String, JSONObject> {
JSONParser jsonParser = new JSONParser();

private ProgressDialog pDialog;

private static final String LOGIN_URL = "http://tootbh.com/a_papa/getUser.php";

// JSON Node names
private static final String TAG_SUCCESS = "success";
private static final String TAG_MESSAGE = "message";

private static final String TAG_USERS = "user";
private static final String TAG_ID = "id";
private static final String TAG_NAME = "name";
private static final String TAG_MOBILE = "mobile";
private static final String TAG_EMAIL = "email";
SQLiteDatabase db;

JSONArray user = null;
int id;
String name,mobile,email;


@Override
protected void onPreExecute() {
pDialog = new ProgressDialog(LoginActivity.this);
pDialog.setMessage("Attempting login...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(true);
pDialog.show();
}

@Override
protected JSONObject doInBackground(String... args) {

try {

HashMap<String, String> params = new HashMap<>();
params.put("email", args[0]);
params.put("pass", args[1]);

Log.d("request", "starting");

JSONObject json = jsonParser.makeHttpRequest(
LOGIN_URL, "POST", params);

if (json != null) {
Log.d("JSON result", json.toString());
/////////////////////////////////////////////////////////////////////////////////////////////////////////


int success = 0;
String message = "";

//Toast.makeText(getApplicationContext(), json.toString(), Toast.LENGTH_LONG).show();

try {
success = json.getInt(TAG_SUCCESS);
message = json.getString(TAG_MESSAGE);
} catch (JSONException e) {
e.printStackTrace();
}


if (success == 1) {
Log.d("Success!", message);
// Creating database and table

try {

user = json.getJSONArray(TAG_USERS);
JSONObject c = user.getJSONObject(0);
id = c.getInt("id");
name = c.getString("name");
mobile = c.getString("mobile");
email = c.getString("email");
//Toast.makeText(LoginActivity.this,v1,Toast.LENGTH_LONG).show();


/*
Toast.makeText(LoginActivity.this,user.getString('id'),Toast.LENGTH_LONG).show();
JSONObject c = user.getJSONObject(0);
// Storing each json item in variable
int id = c.getInt(TAG_ID);
String name = c.getString(TAG_NAME);
String mobile = c.getString(TAG_MOBILE);
String email = c.getString(TAG_EMAIL);
*/
// Toast.makeText(LoginActivity.this, String.valueOf(id) + "," + name + "," + mobile + "," + email, Toast.LENGTH_LONG).show();


}
catch (JSONException e){
e.printStackTrace();
}

db=openOrCreateDatabase("papaJ", Context.MODE_PRIVATE, null);
db.execSQL("CREATE TABLE IF NOT EXISTS users(" +
" id INT(11) NOT NULL," +
" name VARCHAR(250) NOT NULL," +
" mobile VARCHAR(8) NOT NULL," +
" email VARCHAR(250) NOT NULL);");
//db.execSQL("INSERT INTO users VALUES(1,'Abbas Salman','33213188','[email protected]');");
db.execSQL("INSERT INTO users VALUES("+id+",'"+name+"','"+mobile+"','"+email+"');");

Intent i = new Intent(LoginActivity.this,MainActivity.class);
startActivity(i);
finish();
Toast.makeText(getApplicationContext(), "Welcome", Toast.LENGTH_LONG).show();
}else{
Log.d("Failure", message);
Toast.makeText(getApplicationContext(),"Failure",Toast.LENGTH_LONG).show();
}




///////////////////////////////////////////////////////////////////////////////////////////////////////

return json;
}

} catch (Exception e) {
e.printStackTrace();
}

return null;
}

protected void onPostExecute(JSONObject json) {
if (pDialog != null && pDialog.isShowing()) {
pDialog.dismiss();
}

}

}
}