Add option to select identity when composing a message

app/src/main/java/ch/dissem/apps/abit/ComposeMessageFragment.kt

@@ -101,9 +101,8 @@ class ComposeMessageFragment : Fragment() {
                     parent.inventoryVector?.let { parents.add(it) }
                 }
             }
-        } ?: {
-            throw IllegalStateException("No identity set for ComposeMessageFragment")
-        }.invoke()
+        } ?: throw IllegalStateException("No identity set for ComposeMessageFragment")
+
         setHasOptionsMenu(true)
     }
 
@@ -115,37 +114,50 @@ class ComposeMessageFragment : Fragment() {
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
 
-        if (broadcast) {
-            recipient_input.visibility = View.GONE
-        } else {
-            val adapter = ContactAdapter(context!!)
-            recipient_input.setAdapter(adapter)
-            recipient_input.onItemClickListener =
-                AdapterView.OnItemClickListener { _, _, pos, _ -> adapter.getItem(pos) }
-            recipient_input.onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
-                override fun onItemSelected(
-                    parent: AdapterView<*>,
-                    view: View,
-                    position: Int,
-                    id: Long
-                ) {
-                    recipient = adapter.getItem(position)
-                }
-
-                override fun onNothingSelected(parent: AdapterView<*>) =
-                    Unit // leave current selection
+        context?.let { ctx ->
+            val identities = Singleton.getAddressRepository(ctx).getIdentities()
+            sender_input.adapter = ContactAdapter(ctx, identities, true)
+            val index = identities.indexOf(Singleton.getIdentity(ctx))
+            if (index >= 0) {
+                sender_input.setSelection(index)
             }
-            recipient?.let { recipient_input.setText(it.toString()) }
-        }
-        subject_input.setText(subject)
-        body_input.setText(content)
 
-        when {
-            recipient == null -> recipient_input.requestFocus()
-            subject.isEmpty() -> subject_input.requestFocus()
-            else -> {
-                body_input.requestFocus()
-                body_input.setSelection(0)
+            if (broadcast) {
+                recipient_input.visibility = View.GONE
+            } else {
+                val adapter = ContactAdapter(
+                    ctx,
+                    Singleton.getAddressRepository(ctx).getContacts()
+                )
+                recipient_input.setAdapter(adapter)
+                recipient_input.onItemClickListener =
+                    AdapterView.OnItemClickListener { _, _, pos, _ -> adapter.getItem(pos) }
+                recipient_input.onItemSelectedListener =
+                    object : AdapterView.OnItemSelectedListener {
+                        override fun onItemSelected(
+                            parent: AdapterView<*>,
+                            view: View,
+                            position: Int,
+                            id: Long
+                        ) {
+                            recipient = adapter.getItem(position)
+                        }
+
+                        override fun onNothingSelected(parent: AdapterView<*>) =
+                            Unit // leave current selection
+                    }
+                recipient?.let { recipient_input.setText(it.toString()) }
+            }
+            subject_input.setText(subject)
+            body_input.setText(content)
+
+            when {
+                recipient == null -> recipient_input.requestFocus()
+                subject.isEmpty() -> subject_input.requestFocus()
+                else -> {
+                    body_input.requestFocus()
+                    body_input.setSelection(0)
+                }
             }
         }
     }
@@ -184,7 +196,7 @@ class ComposeMessageFragment : Fragment() {
     private fun build(ctx: Context): Plaintext {
         val builder: Plaintext.Builder
         if (broadcast) {
-            builder = Plaintext.Builder(BROADCAST).from(identity)
+            builder = Plaintext.Builder(BROADCAST)
         } else {
             val inputString = recipient_input.text.toString()
             if (recipient == null || recipient?.toString() != inputString) {
@@ -203,9 +215,10 @@ class ComposeMessageFragment : Fragment() {
 
             }
             builder = Plaintext.Builder(MSG)
-                .from(identity)
                 .to(recipient)
         }
+        val sender = sender_input.selectedItem as? ch.dissem.bitmessage.entity.BitmessageAddress
+        sender?.let { builder.from(it) }
         if (!Preferences.requestAcknowledgements(ctx)) {
             builder.preventAck()
         }

app/src/main/java/ch/dissem/apps/abit/adapter/ContactAdapter.kt

@@ -20,25 +20,22 @@ import android.content.Context
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import android.widget.BaseAdapter
-import android.widget.Filter
-import android.widget.Filterable
-import android.widget.ImageView
-import android.widget.TextView
-
-import java.util.ArrayList
-
+import android.widget.*
 import ch.dissem.apps.abit.Identicon
 import ch.dissem.apps.abit.R
-import ch.dissem.apps.abit.service.Singleton
 import ch.dissem.bitmessage.entity.BitmessageAddress
+import java.util.*
 
 /**
  * An adapter for contacts. Can be filtered by alias or address.
  */
-class ContactAdapter(ctx: Context) : BaseAdapter(), Filterable {
+class ContactAdapter(
+    ctx: Context,
+    private val originalData: List<BitmessageAddress>,
+    private val slim: Boolean = false
+) :
+    BaseAdapter(), Filterable {
     private val inflater = LayoutInflater.from(ctx)
-    private val originalData = Singleton.getAddressRepository(ctx).getContacts()
     private var data: List<BitmessageAddress> = originalData
 
     override fun getCount() = data.size
@@ -49,23 +46,33 @@ class ContactAdapter(ctx: Context) : BaseAdapter(), Filterable {
 
     override fun getView(position: Int, convertView: View?, parent: ViewGroup): View {
         val viewHolder = if (convertView == null) {
-            ViewHolder(inflater.inflate(R.layout.contact_row, parent, false))
+            ViewHolder(
+                inflater.inflate(
+                    if (slim) {
+                        R.layout.contact_row_slim
+                    } else {
+                        R.layout.contact_row
+                    },
+                    parent, false
+                )
+            )
         } else {
             convertView.tag as ViewHolder
         }
         val item = getItem(position)
         viewHolder.avatar.setImageDrawable(Identicon(item))
         viewHolder.name.text = item.toString()
-        viewHolder.address.text = item.address
+        viewHolder.address?.text = item.address
+
         return viewHolder.view
     }
 
     override fun getFilter(): Filter = ContactFilter()
 
     private inner class ViewHolder(val view: View) {
-        val avatar = view.findViewById<ImageView>(R.id.avatar)!!
-        val name = view.findViewById<TextView>(R.id.name)!!
-        val address = view.findViewById<TextView>(R.id.address)!!
+        val avatar: ImageView = view.findViewById(R.id.avatar)
+        val name: TextView = view.findViewById(R.id.name)
+        val address: TextView? = view.findViewById(R.id.address)
 
         init {
             view.tag = this
@@ -83,27 +90,29 @@ class ContactAdapter(ctx: Context) : BaseAdapter(), Filterable {
                 val newValues = ArrayList<BitmessageAddress>()
 
                 originalData
-                        .forEach { value ->
-                            value.alias?.toLowerCase()?.let { alias ->
-                                if (alias.startsWith(prefixString)) {
-                                    newValues.add(value)
-                                } else {
-                                    val words = alias.split(" ".toRegex()).dropLastWhile { it.isEmpty() }.toTypedArray()
+                    .forEach { value ->
+                        value.alias?.toLowerCase()?.let { alias ->
+                            if (alias.startsWith(prefixString)) {
+                                newValues.add(value)
+                            } else {
+                                val words =
+                                    alias.split(" ".toRegex()).dropLastWhile { it.isEmpty() }
+                                        .toTypedArray()
 
-                                    for (word in words) {
-                                        if (word.startsWith(prefixString)) {
-                                            newValues.add(value)
-                                            break
-                                        }
+                                for (word in words) {
+                                    if (word.startsWith(prefixString)) {
+                                        newValues.add(value)
+                                        break
                                     }
                                 }
-                            } ?: {
-                                val address = value.address.toLowerCase()
-                                if (address.contains(prefixString)) {
-                                    newValues.add(value)
-                                }
-                            }.invoke()
-                        }
+                            }
+                        } ?: {
+                            val address = value.address.toLowerCase()
+                            if (address.contains(prefixString)) {
+                                newValues.add(value)
+                            }
+                        }.invoke()
+                    }
 
                 results.values = newValues
                 results.count = newValues.size

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

@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Copyright 2015 Christian Basler
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~     http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content">
+
+    <ImageView
+        android:id="@+id/avatar"
+        android:layout_width="32dp"
+        android:layout_height="32dp"
+        android:layout_alignParentStart="true"
+        android:layout_alignParentTop="true"
+        android:layout_margin="4dp"
+        android:src="@color/colorAccent"
+        tools:ignore="ContentDescription" />
+
+    <TextView
+        android:id="@+id/name"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_centerVertical="true"
+        android:layout_toEndOf="@+id/avatar"
+        android:ellipsize="end"
+        android:lines="1"
+        android:paddingBottom="0dp"
+        android:paddingEnd="4dp"
+        android:paddingStart="4dp"
+        android:paddingTop="0dp"
+        android:textAppearance="?android:attr/textAppearanceMedium"
+        tools:text="Name" />
+
+</RelativeLayout>

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

@@ -1,8 +1,22 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-              android:layout_width="match_parent"
-              android:layout_height="match_parent"
-              android:orientation="vertical">
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:labelFor="@id/sender_input"
+        android:padding="4dp"
+        android:text="@string/from"
+        android:textColor="#9b9b9b"
+        android:textSize="12sp" />
+
+    <Spinner
+        android:id="@+id/sender_input"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content" />
 
     <android.support.design.widget.TextInputLayout
         android:layout_width="match_parent"
@@ -15,7 +29,7 @@
             android:layout_height="wrap_content"
             android:hint="@string/to"
             android:inputType="textNoSuggestions"
-            android:maxLines="1"/>
+            android:maxLines="1" />
 
     </android.support.design.widget.TextInputLayout>
 
@@ -29,7 +43,7 @@
             android:layout_height="wrap_content"
             android:hint="@string/subject"
             android:inputType="textEmailSubject"
-            android:textAppearance="?android:attr/textAppearanceLarge"/>
+            android:textAppearance="?android:attr/textAppearanceLarge" />
 
     </android.support.design.widget.TextInputLayout>
 
@@ -41,6 +55,6 @@
         android:gravity="start|top"
         android:hint="@string/compose_body_hint"
         android:inputType="textMultiLine|textCapSentences"
-        android:scrollbars="vertical"/>
+        android:scrollbars="vertical" />
 
 </LinearLayout>

app/src/main/res/values-de/strings.xml

@@ -127,4 +127,5 @@ Als Alternative kann in den Einstellungen ein vertrauenswürdiger Knoten konfigu
     <string name="import_data">Import</string>
     <string name="import_data_summary">Nachrichten und Kontakte importieren (aber keine Identitäten)</string>
     <string name="select_encoding">Kodierung auswählen</string>
+    <string name="from">Von</string>
 </resources>

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

@@ -126,4 +126,5 @@ As an alternative you could configure a trusted node in the settings, but as of
     <string name="request_acknowledgements_summary">Acknowledges allow making sure a message was received, but require additional time to send</string>
     <string name="got_it">Got it</string>
     <string name="select_encoding">Select encoding</string>
+    <string name="from">From</string>
 </resources>