Login feature (only logic)

JoinTheCityAPP/app/app.iml

@@ -71,8 +71,11 @@
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/dependency-cache" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/dex" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/dex-cache" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/cn.pedant.sweetalert/library/1.3/jars" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/appcompat-v7/23.1.1/jars" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/support-v4/23.1.1/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.github.medyo/fancybuttons/1.5/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.pnikosis/materialish-progress/1.0/jars" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/incremental" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/jacoco" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/javaResources" />
@@ -86,11 +89,17 @@
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/rs" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/symbols" />
       <excludeFolder url="file://$MODULE_DIR$/build/outputs" />
+      <excludeFolder url="file://$MODULE_DIR$/build/tmp" />
     </content>
     <orderEntry type="jdk" jdkName="Android API 23 Platform" jdkType="Android SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" exported="" name="library-1.3" level="project" />
     <orderEntry type="library" exported="" name="support-v4-23.1.1" level="project" />
+    <orderEntry type="library" exported="" name="fancybuttons-1.5" level="project" />
+    <orderEntry type="library" exported="" name="httpclient-4.3.6" level="project" />
     <orderEntry type="library" exported="" name="support-annotations-23.1.1" level="project" />
     <orderEntry type="library" exported="" name="appcompat-v7-23.1.1" level="project" />
+    <orderEntry type="library" exported="" name="android-async-http-1.4.9" level="project" />
+    <orderEntry type="library" exported="" name="materialish-progress-1.0" level="project" />
   </component>
 </module>
\ No newline at end of file

JoinTheCityAPP/app/build.gradle

@@ -22,4 +22,7 @@ android {
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
     compile 'com.android.support:appcompat-v7:23.1.1'
+    compile 'com.loopj.android:android-async-http:1.4.9'
+    compile 'cn.pedant.sweetalert:library:1.3'
+    compile 'com.github.medyo:fancybuttons:1.5@aar'
 }

JoinTheCityAPP/app/src/main/AndroidManifest.xml

 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     package="anotherlineofcode.com.jointhecityapp" >
 
+    <uses-permission android:name="android.permission.INTERNET" />
+
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
-        android:theme="@style/AppTheme" >
+        android:theme="@style/AppTheme"
+        tools:replace="android:icon" >
         <activity
             android:name=".MainActivity"
-            android:label="@string/app_name" >
+            android:label="@string/app_name"
+            android:screenOrientation="portrait" >
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity
+            android:name=".LoginAndRegistrationActivity"
+            android:label="@string/title_activity_login_and_registration" >
+        </activity>
     </application>
 
 </manifest>

JoinTheCityAPP/app/src/main/java/anotherlineofcode/com/jointhecityapp/JSONParser.java

+package anotherlineofcode.com.jointhecityapp;
+
+
+import org.json.JSONObject;
+
+public class JSONParser {
+    public static JSONObject parseObject(byte[] response) {
+        JSONObject jsonObj = null;
+        try {
+            String json = new String(response, "UTF-8");
+            jsonObj = new JSONObject(json);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return jsonObj;
+    }
+}

JoinTheCityAPP/app/src/main/java/anotherlineofcode/com/jointhecityapp/LoginAndRegistrationActivity.java

+package anotherlineofcode.com.jointhecityapp;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.graphics.Color;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.text.TextUtils;
+import android.view.KeyEvent;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.inputmethod.EditorInfo;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.TextView;
+
+import com.loopj.android.http.AsyncHttpClient;
+import com.loopj.android.http.AsyncHttpResponseHandler;
+import com.loopj.android.http.RequestParams;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import cn.pedant.SweetAlert.SweetAlertDialog;
+import cz.msebera.android.httpclient.Header;
+
+public class LoginAndRegistrationActivity extends AppCompatActivity {
+
+    private AsyncHttpClient client;
+    private SharedPreferences sharedPreferences;
+    private Button mLoginButton;
+    private EditText mUsername, mPassword;
+    private View focusView;
+    private Context context = this;
+
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_login_and_registration);
+
+        sharedPreferences = getSharedPreferences("JoinTheCityPreferences", Context.MODE_PRIVATE);
+
+        mLoginButton = (Button) findViewById(R.id.login_button);
+        mUsername = (EditText) findViewById(R.id.username);
+        mPassword = (EditText) findViewById(R.id.password);
+        mPassword.setOnEditorActionListener(new TextView.OnEditorActionListener() {
+            @Override
+            public boolean onEditorAction(TextView textView, int id, KeyEvent keyEvent) {
+                if (id == R.id.password_ime || id == EditorInfo.IME_NULL) {
+                    attemptLogin();
+                    return true;
+                }
+                return false;
+            }
+        });
+
+        mLoginButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                attemptLogin();
+            }
+        });
+
+    }
+
+    private void attemptLogin(){
+        if (client != null) {
+            return;
+        }
+
+        // Reset errors.
+        mUsername.setError(null);
+        mPassword.setError(null);
+
+        // Store values at the time of the login attempt.
+        String username = mUsername.getText().toString();
+        String password = mPassword.getText().toString();
+
+        boolean cancel = false;
+        focusView = null;
+
+        // Check for a valid password, if the user entered one.
+        if (TextUtils.isEmpty(password)) {
+            mPassword.setError(getString(R.string.error_field_required));
+            focusView = mPassword;
+            cancel = true;
+        }
+
+        // Check for a valid email address.
+        if (TextUtils.isEmpty(username)) {
+            mUsername.setError(getString(R.string.error_field_required));
+            focusView = mUsername;
+            cancel = true;
+        }
+
+        if (cancel) {
+            // There was an error; don't attempt login and focus the first
+            // form field with an error.
+            focusView.requestFocus();
+        } else {
+            // Show a progress spinner, and kick off a background task to
+            // perform the user login attempt.
+            loginUser(username, password);
+        }
+    }
+
+    private void loginUser(final String username, final String password){
+        client = new AsyncHttpClient();
+
+        // Put request params
+        RequestParams params = new RequestParams();
+        params.put("username", username);
+        params.put("password", password);
+
+        // Display progress bar
+        final SweetAlertDialog pDialog = new SweetAlertDialog(this, SweetAlertDialog.PROGRESS_TYPE);
+        pDialog.getProgressHelper().setBarColor(Color.parseColor("#9FC967"));
+        pDialog.setTitleText("Logowanie...");
+        pDialog.setCancelable(false);
+        pDialog.show();
+
+        // Make post request with username/password credentials in order to obtain access token
+        client.post(getString(R.string.api_url) + "api-token-auth/", params,  new AsyncHttpResponseHandler(){
+
+            @Override
+            public void onSuccess(int statusCode, Header[] headers, byte[] responseBody) {
+                client = null;
+                pDialog.dismiss();
+
+                // Retrieve server response
+                JSONObject jsonResponse = JSONParser.parseObject(responseBody);
+                try {
+                    String token = jsonResponse.getString("token");
+
+                    // Store received variables to shared preferences
+                    SharedPreferences.Editor editor = sharedPreferences.edit();
+                    editor.putString("token", token);
+                    editor.commit();
+
+                } catch (JSONException e) {
+                    e.printStackTrace();
+                }
+
+                // Display success dialog
+                SweetAlertDialog sDialog = new SweetAlertDialog(context, SweetAlertDialog.SUCCESS_TYPE)
+                        .setTitleText("Logowanie pomyślne!")
+                        .setConfirmClickListener(new SweetAlertDialog.OnSweetClickListener() {
+                            @Override
+                            public void onClick(SweetAlertDialog sDialog) {
+                                sDialog.dismissWithAnimation();
+
+                                // Finish activity with RESULT_OK status code
+                                setResult(Activity.RESULT_OK);
+                                finish();
+                            }
+                        });
+                sDialog.setCancelable(false);
+                sDialog.show();
+            }
+
+            @Override
+            public void onFailure(int statusCode, Header[] headers, byte[] responseBody, Throwable error) {
+                client = null;
+                pDialog.dismiss();
+
+                // Display error dialog
+                new SweetAlertDialog(context, SweetAlertDialog.ERROR_TYPE)
+                        .setTitleText("Błąd logowania")
+                        .setContentText(getString(R.string.error_wrong_credentials))
+                        .show();
+            }
+        });
+    }
+
+
+
+    @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_and_registration, 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);
+    }
+}

JoinTheCityAPP/app/src/main/java/anotherlineofcode/com/jointhecityapp/MainActivity.java

 package anotherlineofcode.com.jointhecityapp;
 
+import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
 import android.view.Menu;
@@ -7,10 +10,34 @@ import android.view.MenuItem;
 
 public class MainActivity extends AppCompatActivity {
 
+    public final static int LOGIN_REQUEST = 1;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
+
+        // Check if user is logged in, if not open login activity
+        if (!isLoggedIn()) {
+            Intent intent = new Intent(this, LoginAndRegistrationActivity.class);
+            startActivityForResult(intent, LOGIN_REQUEST);
+        }
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+        if (requestCode == LOGIN_REQUEST){
+            if (resultCode != RESULT_OK) {
+                // Finish activity when user did not sign in/up
+                finish();
+            }
+        }
+    }
+
+    private boolean isLoggedIn() {
+        SharedPreferences sharedPreferences = getSharedPreferences("JoinTheCityPreferences", Context.MODE_PRIVATE);
+        return !sharedPreferences.getString("token", "").isEmpty();
     }
 
     @Override

JoinTheCityAPP/app/src/main/res/layout/activity_login_and_registration.xml

+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
+    android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"
+    android:paddingRight="@dimen/activity_horizontal_margin"
+    android:paddingTop="@dimen/activity_vertical_margin"
+    android:paddingBottom="@dimen/activity_vertical_margin"
+    android:orientation="vertical"
+    tools:context="anotherlineofcode.com.jointhecityapp.LoginAndRegistrationActivity">
+
+    <EditText android:id="@+id/username"
+        android:layout_width="fill_parent"
+        android:layout_height="wrap_content"
+        android:inputType="text"
+        android:gravity="center"
+        android:hint="Nazwa użytkownika"
+        android:maxLines="1"
+        android:singleLine="true"/>
+
+    <EditText android:id="@+id/password"
+        android:layout_width="fill_parent"
+        android:layout_height="wrap_content"
+        android:inputType="textPassword"
+        android:gravity="center"
+        android:hint="Hasło"
+        android:imeActionId="@+id/password_ime"
+        android:imeActionLabel="@string/action_sign_in"
+        android:imeOptions="actionUnspecified"
+        android:maxLines="1"
+        android:singleLine="true"
+
+        android:layout_marginTop="30dp"/>
+
+    <Button android:id="@+id/login_button"
+        android:layout_width="fill_parent"
+        android:layout_height="wrap_content"
+        android:text="Zaloguj"
+        android:gravity="center"
+
+        android:layout_marginTop="200dp"/>
+
+</LinearLayout>

JoinTheCityAPP/app/src/main/res/menu/menu_login_and_registration.xml

+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    tools:context="anotherlineofcode.com.jointhecityapp.LoginAndRegistrationActivity">
+    <item android:id="@+id/action_settings" android:title="@string/action_settings"
+        android:orderInCategory="100" app:showAsAction="never" />
+</menu>

JoinTheCityAPP/app/src/main/res/values/strings.xml

 <resources>
-    <string name="app_name">JoinTheCityAPP</string>
+    <string name="app_name">JoinTheCity</string>
 
     <string name="hello_world">Hello world!</string>
     <string name="action_settings">Settings</string>
+    <string name="title_activity_login_and_registration">Sign in/up</string>
+    <string name="error_field_required">To pole jest wymagane!</string>
+    <string name="error_wrong_credentials">Podane dane są nieprawidłowe!</string>
+
+    <string name="api_url">http://jointhecity.telemabk.pl/</string>
+    <string name="action_sign_in">Zaloguj się</string>
 </resources>