feat(networks) Add selection of wifi network using autocomplete

app/build.gradle

@@ -54,6 +54,10 @@ android {
             buildConfigField "boolean", "IS_ALLOWED_FILTERING_BY_PREFIX", "true"
         }
     }
+    compileOptions {
+        sourceCompatibility = 1.8
+        targetCompatibility = 1.8
+    }
 }
 
 protobuf {
@@ -80,7 +84,7 @@ protobuf {
 dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
     implementation 'com.android.support:appcompat-v7:28.0.0'
-    implementation 'com.android.support.constraint:constraint-layout:1.1.0'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
     implementation 'com.android.support:design:28.0.0'
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'com.android.support.test:runner:1.0.2'

app/src/androidTest/java/com/espressif/espressif/ExampleInstrumentedTest.java

@@ -20,7 +20,7 @@
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import static org.junit.Assert.*;
+import static org.junit.Assert.assertEquals;
 
 /**
  * Instrumented test, which will execute on an Android device.

app/src/main/AndroidManifest.xml

@@ -8,6 +8,7 @@
     <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
     <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
+    <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
     <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
     <uses-permission android:name="android.permission.VIBRATE" />
 

app/src/main/java/com/espressif/provision/security/Security1.java

@@ -160,15 +160,9 @@ private void processStep0Response(byte[] hexData) throws RuntimeException {
             this.cipher.init(Cipher.ENCRYPT_MODE, secretKeySpec, ivParameterSpec);
 
             this.clientVerify = this.encrypt(devicePublicKey);
-        } catch (InvalidProtocolBufferException e) {
-            Log.e(TAG, e.getMessage());
-        } catch (InvalidKeyException e) {
+        } catch (InvalidProtocolBufferException | InvalidKeyException | NoSuchAlgorithmException e) {
             Log.e(TAG, e.getMessage());
-        } catch (NoSuchAlgorithmException e) {
-            Log.e(TAG, e.getMessage());
-        } catch (NoSuchPaddingException e) {
-            e.printStackTrace();
-        } catch (InvalidAlgorithmParameterException e) {
+        } catch (NoSuchPaddingException | InvalidAlgorithmParameterException e) {
             e.printStackTrace();
         }
     }

app/src/main/java/com/espressif/ui/activities/EspMainActivity.java

@@ -13,11 +13,13 @@
 // limitations under the License.
 package com.espressif.ui.activities;
 
+import android.Manifest;
 import android.app.Activity;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.content.pm.PackageManager;
 import android.location.LocationManager;
 import android.os.Build;
 import android.os.Bundle;
@@ -26,7 +28,6 @@
 import android.support.v7.app.AlertDialog;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.Toolbar;
-import android.text.TextUtils;
 import android.util.Log;
 import android.view.HapticFeedbackConstants;
 import android.view.Menu;
@@ -123,6 +124,12 @@ protected void onResume() {
         if (BuildConfig.FLAVOR_transport.equals("ble") && BLEProvisionLanding.isBleWorkDone) {
             BLEProvisionLanding.bleTransport.disconnect();
         }
+
+        if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            if (checkSelfPermission(Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
+                requestPermissions(new String[]{Manifest.permission.ACCESS_COARSE_LOCATION}, 87);
+            }
+        }
     }
 
     @Override

app/src/main/java/com/espressif/ui/activities/ProvisionActivity.java

@@ -13,8 +13,13 @@
 // limitations under the License.
 package com.espressif.ui.activities;
 
+import android.content.BroadcastReceiver;
+import android.content.Context;
 import android.content.Intent;
+import android.content.IntentFilter;
 import android.graphics.Color;
+import android.net.wifi.ScanResult;
+import android.net.wifi.WifiManager;
 import android.os.Bundle;
 import android.os.Vibrator;
 import android.support.v7.app.AppCompatActivity;
@@ -25,6 +30,7 @@
 import android.util.Log;
 import android.view.HapticFeedbackConstants;
 import android.view.View;
+import android.widget.AutoCompleteTextView;
 import android.widget.Button;
 import android.widget.EditText;
 import android.widget.ProgressBar;
@@ -40,6 +46,10 @@
 import com.espressif.provision.session.Session;
 import com.espressif.provision.transport.SoftAPTransport;
 import com.espressif.provision.transport.Transport;
+import com.espressif.ui.adapters.AutoSuggestAdapter;
+
+import java.util.ArrayList;
+import java.util.List;
 
 import espressif.Constants;
 import espressif.WifiConstants;
@@ -49,7 +59,7 @@ public class ProvisionActivity extends AppCompatActivity {
     private static final String TAG = "Espressif::" + ProvisionActivity.class.getSimpleName();
 
     private TextView ssid;
-    private EditText ssidInput;
+    private AutoCompleteTextView ssidInput;
     private EditText passwordInput;
     private Button btnProvision;
     private ProgressBar progressBar;
@@ -58,6 +68,11 @@ public class ProvisionActivity extends AppCompatActivity {
     private String ssidValue, passphraseValue = "";
     private String pop, baseUrl, transportVersion, securityVersion;
 
+    private AutoSuggestAdapter autoSuggestAdapter;
+
+    private WifiManager wifiManager;
+    private WifiReceiver wifiReceiver;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
 
@@ -67,6 +82,14 @@ protected void onCreate(Bundle savedInstanceState) {
         toolbar.setTitle(R.string.title_activity_provision);
         setSupportActionBar(toolbar);
 
+        // TODO: Add check for wifi enabled
+
+        wifiReceiver = new WifiReceiver();
+        wifiManager = (WifiManager) getApplicationContext().getSystemService(Context.WIFI_SERVICE);
+        registerReceiver(wifiReceiver,
+                new IntentFilter(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION));
+        wifiManager.startScan();
+
         Intent intent = getIntent();
         final String wifiSSID = intent.getStringExtra(Provision.PROVISIONING_WIFI_SSID);
         wifiSecurityType = intent.getIntExtra(AppConstants.KEY_WIFI_SECURITY_TYPE, AppConstants.WIFI_OPEN);
@@ -76,6 +99,10 @@ protected void onCreate(Bundle savedInstanceState) {
         securityVersion = intent.getStringExtra(Provision.CONFIG_SECURITY_KEY);
 
         ssid = findViewById(R.id.ssid_text);
+
+        autoSuggestAdapter = new AutoSuggestAdapter(this,
+                android.R.layout.simple_dropdown_item_1line);
+
         ssidInput = findViewById(R.id.ssid_input);
         passwordInput = findViewById(R.id.password_input);
         btnProvision = findViewById(R.id.btn_provision);
@@ -111,6 +138,9 @@ protected void onCreate(Bundle savedInstanceState) {
         btnProvision.setAlpha(0.5f);
         btnProvision.setTextColor(Color.WHITE);
 
+        ssidInput.setThreshold(2);
+        ssidInput.setAdapter(autoSuggestAdapter);
+
         ssidInput.addTextChangedListener(new TextWatcher() {
 
             @Override
@@ -390,4 +420,30 @@ private void goToSuccessPage(String statusText) {
         goToSuccessPage.putExtras(getIntent());
         startActivity(goToSuccessPage);
     }
+
+    public class WifiReceiver extends BroadcastReceiver {
+
+        @Override
+        public void onReceive(Context context, Intent intent) {
+
+            Log.d(TAG,"wifi receiver");
+
+
+            if(intent.getAction().equals(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION))
+            {
+                List<ScanResult> scanResults = wifiManager.getScanResults();
+
+                ArrayList<String> ssidList = new ArrayList<>();
+
+                for (ScanResult scanResult : scanResults) {
+                    if (scanResult.frequency > 2400 && scanResult.frequency < 2500){
+                        ssidList.add(scanResult.SSID);
+                    }
+                }
+
+                autoSuggestAdapter.setListData(ssidList);
+                autoSuggestAdapter.notifyDataSetChanged();
+            }
+        }
+    }
 }

app/src/main/java/com/espressif/ui/adapters/AutoSuggestAdapter.java

@@ -0,0 +1,62 @@
+package com.espressif.ui.adapters;
+
+import android.content.Context;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.widget.ArrayAdapter;
+import android.widget.Filter;
+import android.widget.Filterable;
+
+import java.util.ArrayList;
+import java.util.List;
+
+
+public class AutoSuggestAdapter extends ArrayAdapter<String> implements Filterable {
+    private List<String> listData;
+
+    public AutoSuggestAdapter(@NonNull Context context, int resource) {
+        super(context, resource);
+        listData = new ArrayList<>();
+    }
+
+    public void setListData(List<String> list) {
+        listData.clear();
+        listData.addAll(list);
+    }
+
+    @Override
+    public int getCount() {
+        return listData.size();
+    }
+
+    @Nullable
+    @Override
+    public String getItem(int position) {
+        return listData.get(position);
+    }
+
+    @NonNull
+    @Override
+    public Filter getFilter() {
+        Filter dataFilter = new Filter() {
+            @Override
+            protected FilterResults performFiltering(CharSequence constraint) {
+                FilterResults filterResults = new FilterResults();
+                if (constraint != null) {
+                    filterResults.values = listData;
+                    filterResults.count = listData.size();
+                }
+                return filterResults;
+            }
+            @Override
+            protected void publishResults(CharSequence constraint, FilterResults results) {
+                if (results != null && (results.count > 0)) {
+                    notifyDataSetChanged();
+                } else {
+                    notifyDataSetInvalidated();
+                }
+            }
+        };
+        return dataFilter;
+    }
+}

app/src/main/java/com/espressif/ui/adapters/WiFiListAdapter.java

@@ -9,8 +9,8 @@
 import android.widget.ImageView;
 import android.widget.TextView;
 
-import com.espressif.provision.R;
 import com.espressif.AppConstants;
+import com.espressif.provision.R;
 import com.espressif.ui.models.WiFiAccessPoint;
 
 import java.util.ArrayList;

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

@@ -46,7 +46,7 @@
         android:layout_marginEnd="20dp"
         android:layout_marginBottom="30dp">
 
-        <EditText
+        <AutoCompleteTextView
             android:id="@+id/ssid_input"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"

app/src/test/java/com/espressif/espressif/ExampleUnitTest.java

@@ -15,7 +15,7 @@
 
 import org.junit.Test;
 
-import static org.junit.Assert.*;
+import static org.junit.Assert.assertEquals;
 
 /**
  * Example local unit test, which will execute on the development machine (host).

build.gradle

@@ -7,8 +7,8 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.2.1'
-        classpath 'com.google.protobuf:protobuf-gradle-plugin:0.8.6'
+        classpath 'com.android.tools.build:gradle:3.5.3'
+        classpath 'com.google.protobuf:protobuf-gradle-plugin:0.8.8'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Tue Jun 14 09:48:06 CST 2019
+#Tue Jan 07 22:24:46 AEDT 2020
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip