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- package org.asperohgedgetws.a7.hgadgetws;
- import android.app.Activity;
- import android.app.Fragment;
- import android.os.Build;
- import android.os.Bundle;
- import android.util.Log;
- import android.view.LayoutInflater;
- import android.view.Menu;
- import android.view.MenuItem;
- import android.view.View;
- import android.view.ViewGroup;
- import android.widget.EditText;
- import android.widget.TextView;
- import org.java_websocket.client.WebSocketClient;
- import org.java_websocket.handshake.ServerHandshake;
- import java.net.URI;
- import java.net.URISyntaxException;
- import android.widget.Button;
- import android.widget.Toast;
- import android.content.Intent;
- public class MainActivity extends Activity implements View.OnClickListener {
- Button bLogout;
- UserLocalStore userLocalStore;
- private WebSocketClient mWebSocketClient;
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.activity_main);
- bLogout = (Button) findViewById(R.id.bLogout);
- bLogout.setOnClickListener(this);
- userLocalStore = new UserLocalStore(this);
- connectWebSocket();
- }
- @Override
- protected void onStart() {
- super.onStart();
- if (authenticate()== true){
- displayUserDetails();
- } else{
- Toast.makeText(getApplicationContext(), "Not Registered User :(", Toast.LENGTH_SHORT).show();
- startActivity(new Intent(MainActivity.this,Login.class));
- }
- }
- private boolean authenticate(){
- return userLocalStore.getUserLoggedIn();
- }
- private void displayUserDetails(){
- User user = userLocalStore.getLoggedInUser();
- }
- @Override
- public void onClick(View v) {
- switch(v.getId()){
- case R.id.bLogout:
- startActivity(new Intent(this,Login.class));
- userLocalStore.clearUserData();
- userLocalStore.setUserLoggedIn(false);
- Toast.makeText(getApplicationContext(), "Logout :)", Toast.LENGTH_SHORT).show();
- break;
- }
- }
- private void connectWebSocket() {
- URI uri;
- try {
- uri = new URI("ws://107.170.106.72:8888");
- } catch (URISyntaxException e) {
- e.printStackTrace();
- return;
- }
- mWebSocketClient = new WebSocketClient(uri) {
- @Override
- public void onOpen(ServerHandshake serverHandshake) {
- Log.i("Websocket", "Opened");
- //mWebSocketClient.send("Hello from " + Build.MANUFACTURER + " " + Build.MODEL);
- mWebSocketClient.send("{"1512BD002":"SO@0":"2"}");
- }
- @Override
- public void onMessage(String s) {
- final String message = s;
- runOnUiThread(new Runnable() {
- @Override
- public void run() {
- //TextView textView = (TextView)findViewById(R.id.messages);
- //textView.setText(textView.getText() + "n" + message);
- }
- });
- }
- @Override
- public void onClose(int i, String s, boolean b) {
- Log.i("Websocket", "Closed " + s);
- }
- @Override
- public void onError(Exception e) {
- Log.i("Websocket", "Error " + e.getMessage());
- }
- };
- mWebSocketClient.connect();
- }
- public void sendMessage(View view) {
- // EditText editText = (EditText)findViewById(R.id.message);
- // mWebSocketClient.send(editText.getText().toString());
- //editText.setText("");
- }
- }
- package org.asperohgedgetws.a7.hgadgetws;
- import android.content.Intent;
- import android.os.Bundle;
- import android.support.design.widget.FloatingActionButton;
- import android.support.design.widget.Snackbar;
- import android.support.v7.app.AppCompatActivity;
- import android.support.v7.widget.Toolbar;
- import android.view.View;
- import android.widget.Button;
- import android.widget.EditText;
- import android.widget.Toast;
- import org.java_websocket.handshake.ServerHandshake;
- import org.json.JSONArray;
- import org.json.JSONException;
- import org.json.JSONObject;
- import org.java_websocket.client.WebSocketClient;
- public class Register extends AppCompatActivity implements View.OnClickListener {
- Button bRegister;
- EditText etName, etAge, etUsername, etPassword;
- WebSocketClient nwebsocket;
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.activity_register);
- etName = (EditText) findViewById(R.id.etName);
- etAge = (EditText) findViewById(R.id.etAge);
- etUsername = (EditText) findViewById(R.id.etUsername);
- etPassword = (EditText) findViewById(R.id.etPassword);
- bRegister = (Button) findViewById(R.id.bRegister);
- bRegister.setOnClickListener(this);
- }
- @Override
- public void onClick(View v) {
- switch (v.getId()) {
- case R.id.bRegister:
- // Toast.makeText(getApplicationContext(), "Register", Toast.LENGTH_SHORT).show();
- String name = etName.getText().toString();
- int age = Integer.parseInt(etAge.getText().toString());
- String username = etUsername.getText().toString();
- String password = etPassword.getText().toString();
- User user = new User(name, age, username, password);
- registerUser(user);
- break;
- }
- }
- private void registerUser(User user) {
- String strtosend = "";
- JSONObject object = new JSONObject();
- try {
- // Add the id to the json
- object.put("name", user.name);
- object.put("age", user.age);
- object.put("username", user.username);
- object.put("password", user.password);
- strtosend = object.toString();
- } catch (JSONException e) {
- // Handle impossible error
- e.printStackTrace();
- }
- Toast.makeText(getApplicationContext(), strtosend, Toast.LENGTH_SHORT).show();
- nwebsocket.send("Hi!");
- Intent loginIntent = new Intent(Register.this, Login.class);
- startActivity(loginIntent);
- }
- }
- 05-27 11:49:54.331 19459-19459/org.asperohgedgetws.a7.hgadgetws E/AndroidRuntime: FATAL EXCEPTION: main
- Process: org.asperohgedgetws.a7.hgadgetws, PID: 19459
- java.lang.NullPointerException: Attempt to invoke virtual method 'void org.java_websocket.client.WebSocketClient.send(java.lang.String)' on a null object reference
- at org.asperohgedgetws.a7.hgadgetws.Register.registerUser(Register.java:73)
- at org.asperohgedgetws.a7.hgadgetws.Register.onClick(Register.java:51)
- at android.view.View.performClick(View.java:4780)
- at android.view.View$PerformClick.run(View.java:19866)
- at android.os.Handler.handleCallback(Handler.java:739)
- at android.os.Handler.dispatchMessage(Handler.java:95)
- at android.os.Looper.loop(Looper.java:135)
- at android.app.ActivityThread.main(ActivityThread.java:5254)
- at java.lang.reflect.Method.invoke(Native Method)
- at java.lang.reflect.Method.invoke(Method.java:372)
- at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
- at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
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