WIP: More work on UI for initial swap screen.

F-Droid/res/layout/swap_blank.xml

@@ -1,23 +1,174 @@
 <?xml version="1.0" encoding="utf-8"?>
 
 <org.fdroid.fdroid.views.swap.StartSwapView
-        xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:android="http://schemas.android.com/apk/res/android"
-        android:orientation="vertical"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <RelativeLayout
+        android:id="@+id/header"
         android:layout_width="match_parent"
-        android:layout_height="match_parent">
+        android:layout_height="120dp">
+
+        <ImageView
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            />
+
+        <ImageView
+            android:layout_width="24dp"
+            android:layout_height="24dp"
+            android:src="@drawable/ic_info_white"
+            android:layout_alignParentEnd="true"
+            android:layout_alignParentTop="true"
+            android:layout_marginEnd="10dp"
+            android:layout_marginTop="10dp"
+            />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_centerHorizontal="true"
+            android:layout_alignParentBottom="true"
+            android:padding="20dp"
+            android:paddingStart="30dp"
+            android:paddingEnd="30dp"
+            android:textAlignment="center"
+            tools:text="Connect and trade apps with people near you."
+            android:textSize="18sp" />
+
+    </RelativeLayout>
+
+    <LinearLayout
+        android:id="@+id/bluetooth_info"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:padding="10dp"
+        android:weightSum="1">
+
+        <ImageView
+            android:layout_width="24dp"
+            android:layout_height="24dp"
+            tools:src="@drawable/ic_bluetooth_white" />
+
+        <TextView
+            android:paddingStart="15dp"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            tools:text="Visible via Bluetooth"
+            android:textSize="18sp" />
+
+        <TextView
+            android:id="@+id/device_id_bluetooth"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            tools:text="SP-120"
+            android:layout_weight="1.00"
+            android:paddingStart="10dp"
+            android:paddingEnd="10dp" />
+
+        <Switch
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:id="@+id/switch_bluetooth" />
+
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:padding="10dp"
+        android:weightSum="1">
+
+        <ImageView
+            android:layout_width="24dp"
+            android:layout_height="24dp"
+            tools:src="@drawable/ic_network_wifi_white" />
+
+        <LinearLayout
+            android:paddingStart="15dp"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:orientation="vertical">
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                tools:text="Not visible via WiFi"
+                android:textSize="18sp" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                tools:text="wifi network name"
+                android:textSize="16sp" />
+
+        </LinearLayout>
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            tools:text="Device Name"
+            android:layout_weight="1.00"
+            android:paddingStart="10dp"
+            android:paddingEnd="10dp" />
+
+        <Switch
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:id="@+id/switch_wifi" />
+
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:paddingStart="15dp"
+        android:paddingEnd="15dp"
+        android:paddingBottom="15dp"
+        android:paddingTop="35dp">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            tools:text="People Nearby"
+            android:layout_weight="1.00"/>
+
+        <ProgressBar
+            android:layout_width="24dp"
+            android:layout_height="24dp"
+            android:indeterminate="true" />
+
+    </LinearLayout>
 
     <TextView
-            android:id="@+id/text_description"
+        android:layout_width="wrap_content"
-            android:text="@string/swap_introduction"
+        android:layout_height="wrap_content"
-            style="@style/SwapTheme.StartSwap.MainText"
+        tools:text="Can't find who you're looking for?" />
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content" />
 
-    <Button
+    <LinearLayout
-            android:id="@+id/button_start_swap"
+        android:orientation="horizontal"
-            android:text="@string/swap_start"
+        android:layout_width="match_parent"
-            style="@style/SwapTheme.StartSwap.StartButton"
+        android:layout_height="wrap_content">
+
+        <Button
+            android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_width="match_parent"/>
+            android:layout_weight="1.00"
+            android:drawableStart="@drawable/ic_launcher"
+            tools:text="SEND F-DROID"
+            android:gravity="start|center_vertical" />
+
+        <Button
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1.00"
+            android:drawableStart="@drawable/ic_launcher"
+            tools:text="SCAN QR CODE"
+            android:gravity="start|center_vertical" />
+
+    </LinearLayout>
 
 </org.fdroid.fdroid.views.swap.StartSwapView>

F-Droid/res/values/strings.xml

@@ -317,8 +317,6 @@
     <string name="open_qr_code_scanner">Open QR Scanner</string>
     <string name="swap_welcome">Welcome to F-Droid!</string>
     <string name="swap_confirm_connect">Do you want to get apps from %1$s now?</string>
-    <string name="swap_introduction">Your mobile device becomes an app store with Swap!</string>
-    <string name="swap_start">START A SWAP</string>
     <string name="swap_reciprocate_failed">An error occurred while attempting to swap with another device. We will still try to get apps from them, but they may not be able to get apps from us.</string>
     <string name="swap_tap_to_select_apps">Tap to select the apps you want to swap.</string>
     <string name="swap_dont_show_again">Don\'t show this again</string>
@@ -333,4 +331,5 @@
     <string name="wifi_warning_personal">Best bet</string>
 	<string name="swap_choose_apps">Choose Apps</string>
 	<string name="swap_scan_qr">Scan QR Code</string>
+	<string name="swap_nearby">Nearby Swap</string>
 </resources>

F-Droid/src/org/fdroid/fdroid/localrepo/SwapManager.java

@@ -1,5 +1,6 @@
 package org.fdroid.fdroid.localrepo;
 
+import android.bluetooth.BluetoothAdapter;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
@@ -222,4 +223,37 @@ public class SwapManager {
     public boolean isEnabled() {
         return service != null && service.isEnabled();
     }
+
+    // ==========================================
+    //    Interacting with Bluetooth adapter
+    // ==========================================
+
+    @Nullable /* Emulators tend not to have bluetooth adapters. */
+    private final BluetoothAdapter bluetooth = BluetoothAdapter.getDefaultAdapter();
+
+    public boolean isBluetoothDiscoverable() {
+        return bluetooth != null &&
+                bluetooth.getScanMode() == BluetoothAdapter.SCAN_MODE_CONNECTABLE_DISCOVERABLE;
+    }
+
+    public void ensureBluetoothDiscoverable() {
+
+        if (bluetooth == null) {
+            return;
+        }
+
+        if (!bluetooth.isEnabled()) {
+            if (!bluetooth.enable()) {
+
+            }
+        }
+
+        if (bluetooth.isEnabled()) {
+            Intent discoverableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE);
+            discoverableIntent.putExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, 0);
+            context.startActivity(discoverableIntent);
+        }
+
+    }
+
 }

F-Droid/src/org/fdroid/fdroid/views/swap/StartSwapView.java

@@ -1,17 +1,24 @@
 package org.fdroid.fdroid.views.swap;
 
 import android.annotation.TargetApi;
+import android.bluetooth.BluetoothAdapter;
 import android.content.Context;
+import android.content.Intent;
 import android.os.Build;
 import android.support.annotation.ColorRes;
 import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
 import android.util.AttributeSet;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.View;
+import android.widget.CompoundButton;
 import android.widget.LinearLayout;
+import android.widget.Switch;
+import android.widget.TextView;
 
 import org.fdroid.fdroid.R;
+import org.fdroid.fdroid.compat.SwitchCompat;
 import org.fdroid.fdroid.localrepo.SwapManager;
 
 public class StartSwapView extends LinearLayout implements SwapWorkflowActivity.InnerView {
@@ -45,17 +52,52 @@ public class StartSwapView extends LinearLayout implements SwapWorkflowActivity.
         return (SwapWorkflowActivity)getContext();
     }
 
+    private SwapManager getManager() {
+        return getActivity().getState();
+    }
+
+    @Nullable /* Emulators typically don't have bluetooth adapters */
+    private final BluetoothAdapter bluetooth = BluetoothAdapter.getDefaultAdapter();
+
+    private TextView viewBluetoothId;
+
     @Override
     protected void onFinishInflate() {
         super.onFinishInflate();
 
-        findViewById(R.id.button_start_swap).setOnClickListener(new View.OnClickListener() {
+        if (bluetooth != null) {
+
+            viewBluetoothId = (TextView)findViewById(R.id.device_id_bluetooth);
+            viewBluetoothId.setText(bluetooth.getName());
+
+            Switch bluetoothSwitch = ((Switch) findViewById(R.id.switch_bluetooth));
+            bluetoothSwitch.setChecked(getManager().isBluetoothDiscoverable());
+            bluetoothSwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+                @Override
+                public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+                    if (isChecked) {
+                        getManager().ensureBluetoothDiscoverable();
+                    } else {
+                        // disableBluetooth();
+                    }
+                }
+            });
+        } else {
+            findViewById(R.id.bluetooth_info).setVisibility(View.GONE);
+        }
+
+        ((Switch)findViewById(R.id.switch_wifi)).setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
             @Override
-            public void onClick(View v) {
+            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
-                getActivity().showSelectApps();
+                if (isChecked) {
+                    enableWifi();
+                } else {
+                    disableWifi();
+                }
             }
         });
 
+
     }
 
     @Override
@@ -85,6 +127,19 @@ public class StartSwapView extends LinearLayout implements SwapWorkflowActivity.
 
     @Override
     public String getToolbarTitle() {
-        return getResources().getString(R.string.swap_start);
+        return getResources().getString(R.string.swap_nearby);
+    }
+
+
+    // ========================================================================
+    //                            Wifi stuff
+    // ========================================================================
+
+    private void enableWifi() {
+
+    }
+
+    private void disableWifi() {
+
     }
 }