API tools faq
paste
Advertisement
Guest User

Untitled

a guest
Jan 29th, 2017
115
0
Never
Add comment
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
text 14.55 KB | None | 0 0
raw download clone embed print report
  1. package com.example.votingapp;
  2.  
  3. import com.example.votingapp.library.DatabaseHandler;
  4.  
  5. import android.os.Bundle;
  6. import android.app.Activity;
  7. import android.content.Context;
  8. import android.content.Intent;
  9. import android.content.SharedPreferences;
  10. import android.database.Cursor;
  11. import android.database.sqlite.SQLiteDatabase;
  12. import android.view.View;
  13. import android.widget.Button;
  14. import android.widget.EditText;
  15. import android.widget.Toast;
  16.  
  17. public class MainActivity extends Activity {
  18. EditText inputUserName;
  19. EditText inputUserPass;
  20. Button btnLogin;
  21. Button btnRegister;
  22. DatabaseHandler database;
  23.  
  24. @Override
  25. protected void onCreate(Bundle savedInstanceState) {
  26. super.onCreate(savedInstanceState);
  27. //setting default screen to activity_main.xml
  28. setContentView(R.layout.activity_main);
  29.  
  30. //Importing all assets like buttons, text fields
  31. inputUserName = (EditText) findViewById(R.id.UserName);
  32. inputUserPass = (EditText) findViewById(R.id.UserPass);
  33. btnLogin = (Button) findViewById(R.id.btnLogin);
  34. btnRegister = (Button) findViewById(R.id.btnRegister);
  35.  
  36. //SharedPreferences
  37. SharedPreferences settings = getSharedPreferences("MYPREFS", 0);
  38.  
  39. String username = settings.getString("username", null);
  40. String password = settings.getString("password", null);
  41.  
  42. if(!(username==null) && !(password==null)){
  43. Intent dashboard = new Intent(MainActivity.this, DashboardActivity.class);
  44. startActivity(dashboard);
  45. finish();
  46. }
  47.  
  48. btnLogin.setOnClickListener(new View.OnClickListener() {
  49. public void onClick(View v) {
  50.  
  51. String userName = inputUserName.getText().toString();
  52. String userPass = inputUserPass.getText().toString();
  53. boolean validLogin = validateLogin(userName, userPass, MainActivity.this);
  54.  
  55. //SharedPreferences
  56. SharedPreferences settings = getSharedPreferences("MYPREFS", 0);
  57. SharedPreferences.Editor editor = settings.edit();
  58.  
  59. if(validLogin){
  60. editor.putString("username", userName);
  61. editor.putString("password", userPass);
  62. editor.commit();
  63.  
  64. }else{
  65. inputUserName.setText(settings.getString("username", ""));
  66. inputUserPass.setText(settings.getString("password", ""));
  67. }
  68.  
  69.  
  70.  
  71. if(userName.equals("") || userName == null){
  72. Toast.makeText(getApplicationContext(), "Username Empty", Toast.LENGTH_SHORT).show();
  73. }else if(userPass.equals("") || userPass == null){
  74. Toast.makeText(getApplicationContext(), "Password Empty", Toast.LENGTH_SHORT).show();
  75. }else{
  76. if(validLogin){
  77. //Show a dialog of login successful
  78. Toast.makeText(getApplicationContext(), "Login Successful", Toast.LENGTH_SHORT).show();
  79. Intent dashboard = new Intent(MainActivity.this, DashboardActivity.class);
  80. //Close views before starting Dashboard
  81. dashboard.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
  82. startActivity(dashboard);
  83. finish();
  84. }
  85. }
  86.  
  87. }
  88. });//Login Button On SetListener
  89.  
  90. btnRegister.setOnClickListener(new View.OnClickListener() {
  91. public void onClick(View v) {
  92. Intent Register = new Intent(MainActivity.this, RegisterActivity.class);
  93. startActivity(Register);
  94. finish();
  95. }
  96. });//Register Button onClickListener
  97.  
  98. }//On Create
  99.  
  100.  
  101. public boolean validateLogin(String userName, String userPass, Context context) {
  102.  
  103. DatabaseHandler database = new DatabaseHandler(getApplicationContext());
  104. SQLiteDatabase db = database.getReadableDatabase();
  105.  
  106. //SELECT
  107. String[] columns = {"userId"};
  108.  
  109. //WHERE clause
  110. String selection = "userName=? AND userPass=?";
  111.  
  112. //WHERE clause arguments
  113. String[] selectionArgs = {userName, userPass};
  114. Cursor c = null;
  115.  
  116. try{
  117. //SELECT userId FROM login WHERE username=userName AND password=userPass
  118. c = db.query(DatabaseHandler.TABLE_USERS, columns, selection, selectionArgs, null, null, null);
  119. c.moveToFirst();
  120. c.close();
  121. }catch(Exception e){
  122. e.printStackTrace();
  123. }
  124.  
  125. int i = c.getCount();
  126. if(i <= 0){
  127. Toast.makeText(getApplicationContext(), "Incorrect Login..nTry Again", Toast.LENGTH_SHORT).show();
  128. return false;
  129. }
  130. return true;
  131. }//validate Login
  132.  
  133. }//Mainactivity
  134.  
  135. package com.example.votingapp;
  136.  
  137. import com.example.votingapp.library.DatabaseHandler;
  138.  
  139. import android.os.Bundle;
  140. import android.app.Activity;
  141. import android.content.Context;
  142. import android.content.Intent;
  143. import android.content.SharedPreferences;
  144. import android.database.Cursor;
  145. import android.database.sqlite.SQLiteDatabase;
  146. import android.view.View;
  147. import android.widget.Button;
  148. import android.widget.EditText;
  149. import android.widget.Toast;
  150.  
  151. public class MainActivity extends Activity {
  152. EditText inputUserName;
  153. EditText inputUserPass;
  154. Button btnLogin;
  155. Button btnRegister;
  156. DatabaseHandler database;
  157. SharedPreferences sp;
  158. SharedPreferences.Editor editor;
  159.  
  160. @Override
  161. protected void onCreate(Bundle savedInstanceState) {
  162. super.onCreate(savedInstanceState);
  163. //setting default screen to activity_main.xml
  164. setContentView(R.layout.activity_main);
  165.  
  166. //Importing all assets like buttons, text fields
  167. inputUserName = (EditText) findViewById(R.id.UserName);
  168. inputUserPass = (EditText) findViewById(R.id.UserPass);
  169. btnLogin = (Button) findViewById(R.id.btnLogin);
  170. btnRegister = (Button) findViewById(R.id.btnRegister);
  171.  
  172.  
  173.  
  174.  
  175. btnLogin.setOnClickListener(new View.OnClickListener() {
  176. public void onClick(View v) {
  177.  
  178. String userName = inputUserName.getText().toString();
  179. String userPass = inputUserPass.getText().toString();
  180.  
  181. if(userName.equals("") || userName == null){
  182. Toast.makeText(getApplicationContext(), "Username Empty", Toast.LENGTH_SHORT).show();
  183. }else if(userPass.equals("") || userPass == null){
  184. Toast.makeText(getApplicationContext(), "Password Empty", Toast.LENGTH_SHORT).show();
  185. }else{
  186. boolean validLogin = validateLogin(userName, userPass, MainActivity.this);
  187. if(validLogin){
  188.  
  189. //SharedPreferences
  190. SharedPreferences settings = getSharedPreferences("MYPREFS", 0);
  191. inputUserName.setText(settings.getString("username", ""));
  192. inputUserPass.setText(settings.getString("password", ""));
  193.  
  194. SharedPreferences.Editor editor = settings.edit();
  195. editor.putString("username", userName);
  196. editor.putString("password", userPass);
  197. editor.commit();
  198.  
  199. String username = settings.getString("username", null);
  200. String password = settings.getString("password", null);
  201.  
  202. if(!(username==null) && !(password==null)){
  203. Intent dashboard = new Intent(MainActivity.this, DashboardActivity.class);
  204. startActivity(dashboard);
  205. finish();
  206. }
  207. //Show a dialog of login successful
  208. Toast.makeText(getApplicationContext(), "Login Successful", Toast.LENGTH_SHORT).show();
  209. Intent dashboard = new Intent(MainActivity.this, DashboardActivity.class);
  210. //Close views before starting Dashboard
  211. dashboard.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
  212. startActivity(dashboard);
  213. finish();
  214. }
  215. }
  216.  
  217. }
  218. });//Login Button On SetListener
  219.  
  220. btnRegister.setOnClickListener(new View.OnClickListener() {
  221. public void onClick(View v) {
  222. Intent Register = new Intent(MainActivity.this, RegisterActivity.class);
  223. startActivity(Register);
  224. finish();
  225. }
  226. });//Register Button onClickListener
  227.  
  228. }//On Create
  229.  
  230.  
  231. public boolean validateLogin(String userName, String userPass, Context context) {
  232.  
  233. DatabaseHandler database = new DatabaseHandler(getApplicationContext());
  234. SQLiteDatabase db = database.getReadableDatabase();
  235.  
  236. //SELECT
  237. String[] columns = {"userId"};
  238.  
  239. //WHERE clause
  240. String selection = "userName=? AND userPass=?";
  241.  
  242. //WHERE clause arguments
  243. String[] selectionArgs = {userName, userPass};
  244. Cursor c = null;
  245.  
  246. try{
  247. //SELECT userId FROM login WHERE username=userName AND password=userPass
  248. c = db.query(DatabaseHandler.TABLE_USERS, columns, selection, selectionArgs, null, null, null);
  249. c.moveToFirst();
  250. c.close();
  251. }catch(Exception e){
  252. e.printStackTrace();
  253. }
  254.  
  255. int i = c.getCount();
  256. if(i <= 0){
  257. Toast.makeText(getApplicationContext(), "Incorrect Login..nTry Again", Toast.LENGTH_SHORT).show();
  258. return false;
  259. }
  260. return true;
  261. }//validate Login
  262.  
  263. }//Mainactivity
  264.  
  265. package com.example.votingapp;
  266.  
  267. import com.example.votingapp.library.DatabaseHandler;
  268.  
  269. import android.os.Bundle;
  270. import android.app.Activity;
  271. import android.content.Context;
  272. import android.content.Intent;
  273. import android.content.SharedPreferences;
  274. import android.database.Cursor;
  275. import android.database.sqlite.SQLiteDatabase;
  276. import android.view.View;
  277. import android.widget.Button;
  278. import android.widget.EditText;
  279. import android.widget.Toast;
  280.  
  281. public class MainActivity extends Activity {
  282. EditText inputUserName;
  283. EditText inputUserPass;
  284. Button btnLogin;
  285. Button btnRegister;
  286. DatabaseHandler database;
  287.  
  288. @Override
  289. protected void onCreate(Bundle savedInstanceState) {
  290. super.onCreate(savedInstanceState);
  291. //setting default screen to activity_main.xml
  292. setContentView(R.layout.activity_main);
  293.  
  294. //Importing all assets like buttons, text fields
  295. inputUserName = (EditText) findViewById(R.id.UserName);
  296. inputUserPass = (EditText) findViewById(R.id.UserPass);
  297. btnLogin = (Button) findViewById(R.id.btnLogin);
  298. btnRegister = (Button) findViewById(R.id.btnRegister);
  299.  
  300. //SharedPreferences
  301. SharedPreferences settings = getSharedPreferences("MYPREFS", 0);
  302.  
  303. String username = settings.getString("username", null);
  304. String password = settings.getString("password", null);
  305.  
  306. if(username!=null && password!=null){
  307. Intent dashboard = new Intent(MainActivity.this, DashboardActivity.class);
  308. startActivity(dashboard);
  309. finish();
  310. }
  311.  
  312. btnLogin.setOnClickListener(new View.OnClickListener() {
  313. public void onClick(View v) {
  314.  
  315. String userName = inputUserName.getText().toString();
  316. String userPass = inputUserPass.getText().toString();
  317. boolean validLogin = validateLogin(userName, userPass, MainActivity.this);
  318.  
  319. if(validLogin){
  320.  
  321. //SharedPreferences
  322. SharedPreferences settings = getSharedPreferences("MYPREFS", 0);
  323. SharedPreferences.Editor editor = settings.edit();
  324. editor.putString("username", userName);
  325. editor.putString("password", userPass);
  326. editor.commit();
  327.  
  328. }else{
  329. inputUserName.setText(settings.getString("username", ""));
  330. inputUserPass.setText(settings.getString("password", ""));
  331. }
  332.  
  333.  
  334.  
  335. if(userName.equals("") || userName == null){
  336. Toast.makeText(getApplicationContext(), "Username Empty", Toast.LENGTH_SHORT).show();
  337. }else if(userPass.equals("") || userPass == null){
  338. Toast.makeText(getApplicationContext(), "Password Empty", Toast.LENGTH_SHORT).show();
  339. }else{
  340. if(validLogin){
  341. //Show a dialog of login successful
  342. Toast.makeText(getApplicationContext(), "Login Successful", Toast.LENGTH_SHORT).show();
  343. Intent dashboard = new Intent(MainActivity.this, DashboardActivity.class);
  344. //Close views before starting Dashboard
  345. dashboard.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
  346. startActivity(dashboard);
  347. finish();
  348. }
  349. }
  350.  
  351. }
  352. });//Login Button On SetListener
  353.  
  354. btnRegister.setOnClickListener(new View.OnClickListener() {
  355. public void onClick(View v) {
  356. Intent Register = new Intent(MainActivity.this, RegisterActivity.class);
  357. startActivity(Register);
  358. finish();
  359. }
  360. });//Register Button onClickListener
  361.  
  362. }//On Create
  363.  
  364.  
  365. public boolean validateLogin(String userName, String userPass, Context context) {
  366.  
  367. DatabaseHandler database = new DatabaseHandler(getApplicationContext());
  368. SQLiteDatabase db = database.getReadableDatabase();
  369.  
  370. //SELECT
  371. String[] columns = {"userId"};
  372.  
  373. //WHERE clause
  374. String selection = "userName=? AND userPass=?";
  375.  
  376. //WHERE clause arguments
  377. String[] selectionArgs = {userName, userPass};
  378. Cursor c = null;
  379.  
  380. try{
  381. //SELECT userId FROM login WHERE username=userName AND password=userPass
  382. c = db.query(DatabaseHandler.TABLE_USERS, columns, selection, selectionArgs, null, null, null);
  383. c.moveToFirst();
  384.  
  385. int i = c.getCount();
  386. c.close();
  387. if(i <= 0){
  388. Toast.makeText(getApplicationContext(), "Incorrect Login..nTry Again", Toast.LENGTH_SHORT).show();
  389. return false;
  390. }
  391.  
  392. return true;
  393. }catch(Exception e){
  394. e.printStackTrace();
  395. return false;
  396. }
  397. }//validate Login
  398.  
  399. }//Mainactivity
  400.  
  401. c = db.query(PDbHandler.DATABASE_NAME.TABLE_NAME, columns, selection, selectionArgs, null, null, null);
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement
Public Pastes
Advertisement
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy.  OK, I Understand
Not a member of Pastebin yet?
Sign Up, it unlocks many cool features!