Added option to share and import Contacts

app/src/main/java/com/serwylo/babyphone/editcontact/EditContactActivity.kt

@@ -15,6 +15,7 @@ import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.content.res.AppCompatResources
 import androidx.core.app.ActivityCompat
 import androidx.core.app.NavUtils
+import androidx.core.net.toUri
 import androidx.core.widget.addTextChangedListener
 import androidx.lifecycle.ViewModelProvider
 import androidx.lifecycle.lifecycleScope
@@ -49,6 +50,7 @@ class EditContactActivity : AppCompatActivity() {
 
     companion object {
         const val CONTACT_ID = "contactId"
+        const val IMPORT_CONTACT_URI = "importContactUri"
     }
 
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -82,6 +84,14 @@ class EditContactActivity : AppCompatActivity() {
         binding.toolbar.setNavigationOnClickListener { NavUtils.navigateUpFromSameTask(this) }
     }
 
+    override fun onPostCreate(savedInstanceState: Bundle?) {
+        super.onPostCreate(savedInstanceState)
+
+        intent.extras?.getString(IMPORT_CONTACT_URI)?.also {
+            viewModel.importContactFromZipFile(it.toUri())
+        }
+    }
+
     private fun setup() {
         // Don't observe the name from the viewModel. We are the only ones who change it, and it can
         // cause loops with our text changed listener.
@@ -149,10 +159,26 @@ class EditContactActivity : AppCompatActivity() {
             R.id.delete -> {
                 onDeleteContact()
             }
+
+            R.id.share -> {
+                onShareContact()
+            }
         }
         return super.onOptionsItemSelected(item)
     }
 
+    private fun onShareContact() {
+        lifecycleScope.launch {
+            val zipUri = viewModel.shareContact()
+
+            val sendIntent = Intent()
+            sendIntent.action = Intent.ACTION_SEND
+            sendIntent.putExtra(Intent.EXTRA_STREAM, zipUri)
+            sendIntent.type = "application/zip"
+            startActivity(sendIntent)
+        }
+    }
+
     private fun maybeShowPhoto(path: String) {
         if (path.isNotEmpty()) {
             Picasso.get()

app/src/main/java/com/serwylo/babyphone/editcontact/EditContactViewModel.kt

@@ -7,6 +7,7 @@ import android.graphics.BitmapFactory
 import android.media.MediaRecorder
 import android.net.Uri
 import android.provider.MediaStore
+import android.provider.OpenableColumns
 import androidx.core.content.FileProvider
 import androidx.core.net.toFile
 import androidx.core.net.toUri
@@ -19,8 +20,15 @@ import com.serwylo.babyphone.utils.debounce
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
+import java.io.BufferedInputStream
+import java.io.BufferedOutputStream
 import java.io.File
+import java.io.FileInputStream
+import java.io.FileOutputStream
 import java.util.*
+import java.util.zip.ZipEntry
+import java.util.zip.ZipFile
+import java.util.zip.ZipOutputStream
 
 class EditContactViewModel(
     private val context: Context,
@@ -231,6 +239,107 @@ class EditContactViewModel(
         }
     }
 
+    fun shareContact(): Uri {
+        val fileName = contact.name.ifEmpty { contact.id.toString() }
+        val zipFile = File(context.getExternalFilesDir("Contacts"), "$fileName.zip")
+
+        ZipOutputStream(BufferedOutputStream(FileOutputStream(zipFile))).use {
+            zipFiles(it, contactDir)
+        }
+
+        return FileProvider.getUriForFile(
+            context,
+            "com.serwylo.babyphone.fileprovider",
+            zipFile
+        )
+    }
+
+    private fun zipFiles(zipOut: ZipOutputStream, sourceFile: File) {
+        val buffer = ByteArray(2048)
+
+        sourceFile.listFiles()?.asSequence()?.forEach { f ->
+            FileInputStream(f).use { fi ->
+                BufferedInputStream(fi).use { origin ->
+                    val zipEntry = ZipEntry(f.name)
+                    zipOut.putNextEntry(zipEntry)
+                    while (true) {
+                        val readBytes = origin.read(buffer)
+                        if (readBytes == -1) {
+                            break
+                        }
+                        zipOut.write(buffer, 0, readBytes)
+                    }
+                    zipOut.closeEntry()
+                }
+            }
+        }
+    }
+
+    fun importContactFromZipFile(zipUri: Uri) {
+        viewModelScope.launch(Dispatchers.IO) {
+
+            context.contentResolver.query(
+                zipUri,
+                null,
+                null,
+                null,
+                null
+            )?.use { cursor ->
+                val index = cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME)
+                cursor.moveToFirst()
+                val name = cursor.getString(index).removeSuffix(".zip")
+                _name.postValue(name)
+                contact = contact.copy(name = name).also {
+                    dao.update(it)
+                }
+            }
+
+            val zipFile = File(context.getExternalFilesDir("Contacts"), "temp.zip")
+
+            context.contentResolver.openInputStream(zipUri)?.use { inputStream ->
+                zipFile.outputStream().use {
+                    inputStream.copyTo(it)
+                }
+            }
+
+            ZipFile(zipFile).use { zip ->
+                zip.entries()
+                    .asSequence()
+                    .filter { zipEntry ->
+                        zipEntry.name == "photo.small.jpg" || zipEntry.name.endsWith(".aac")
+                    }
+                    .forEach { zipEntry ->
+                        val outputFile = File(contactDir, zipEntry.name)
+
+                        zip.getInputStream(zipEntry).use { input ->
+                            outputFile.outputStream().use { outputStream ->
+                                input.copyTo(outputStream)
+                                if (zipEntry.name == "photo.small.jpg") {
+                                    // handle photo
+                                    withContext(Dispatchers.Main) {
+                                        _avatarPath.value = outputFile.toUri().toString()
+                                    }
+
+                                    contact =
+                                        contact.copy(avatarPath = outputFile.toUri().toString())
+                                            .also {
+                                                dao.update(it)
+                                            }
+                                } else {
+                                    // handle audio
+                                    dao.insert(
+                                        Recording(
+                                            contact.id,
+                                            outputFile.toUri().toString(),
+                                        )
+                                    )
+                                }
+                            }
+                        }
+                    }
+            }
+        }
+    }
 }
 
 class EditContactViewModelFactory(private val context: Context, private val dao: ContactDao, private val contactId: Long) : ViewModelProvider.Factory {

app/src/main/java/com/serwylo/babyphone/settingscontactlist/SettingsContactListActivity.kt

@@ -19,6 +19,8 @@ import com.serwylo.babyphone.db.AppDatabase
 import com.serwylo.babyphone.db.entities.Contact
 import com.serwylo.babyphone.editcontact.EditContactActivity
 
+private const val PICK_MYFILE_REQUEST = 1
+
 class SettingsContactListActivity : AppCompatActivity() {
 
     private lateinit var viewModel: SettingsContactListViewModel
@@ -78,10 +80,32 @@ class SettingsContactListActivity : AppCompatActivity() {
             R.id.add -> {
                 startActivity(Intent(this, EditContactActivity::class.java))
             }
+
+            R.id.import_contact -> {
+                onImportContact()
+            }
         }
         return super.onOptionsItemSelected(item)
     }
 
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+
+        if (requestCode == PICK_MYFILE_REQUEST && resultCode == RESULT_OK) {
+
+            startActivity(Intent(this, EditContactActivity::class.java).apply {
+                putExtra(EditContactActivity.IMPORT_CONTACT_URI, data?.data.toString())
+            })
+        }
+    }
+
+    private fun onImportContact() {
+        val intent = Intent(Intent.ACTION_OPEN_DOCUMENT);
+        intent.type = "application/zip"
+        intent.addCategory(Intent.CATEGORY_OPENABLE)
+        startActivityForResult(Intent.createChooser(intent, "Select File"), PICK_MYFILE_REQUEST);
+    }
+
     private fun onToggleContact(contact: Contact, enabled: Boolean) {
         if (!viewModel.toggleContact(contact, enabled)) {
             Toast.makeText(this, R.string.settings__at_least_one_contact_requried, Toast.LENGTH_SHORT).show()

app/src/main/res/drawable/ic_import.xml

@@ -0,0 +1,5 @@
+<vector android:autoMirrored="true" android:height="24dp"
+    android:tint="#FFFFFF" android:viewportHeight="24"
+    android:viewportWidth="24" android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M10.09,15.59L11.5,17l5,-5 -5,-5 -1.41,1.41L12.67,11H3v2h9.67l-2.58,2.59zM19,3H5c-1.11,0 -2,0.9 -2,2v4h2V5h14v14H5v-4H3v4c0,1.1 0.89,2 2,2h14c1.1,0 2,-0.9 2,-2V5c0,-1.1 -0.9,-2 -2,-2z"/>
+</vector>

app/src/main/res/menu/edit_contact_menu.xml

@@ -2,6 +2,12 @@
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
+    <item
+        android:id="@+id/share"
+        android:icon="@drawable/ic_share"
+        app:showAsAction="always"
+        android:title="@string/btn__share" />
+
     <item
         android:id="@+id/delete"
         android:icon="@drawable/ic_delete"

app/src/main/res/menu/settings_contact_list_menu.xml

@@ -1,6 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/import_contact"
+        android:icon="@drawable/ic_import"
+        app:showAsAction="always"
+        android:title="@string/btn__import_contact" />
+
     <item
         android:id="@+id/add"
         android:icon="@drawable/ic_add"

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

@@ -3,12 +3,14 @@
     <string name="btn__play_sound">Ton abspielen</string>
     <string name="default_contact__dad">Papa</string>
     <string name="btn__add_contact">Aufzeichnen</string>
+    <string name="btn__import_contact">Importieren</string>
     <string name="settings__category_display">Bildschirm</string>
     <string name="settings__contact">Kontakt</string>
     <string name="whats_new">Nachrichten</string>
     <string name="whats_new__title">Nachrichten</string>
     <string name="whats_new__continue">Weiter</string>
     <string name="theme_light">Licht</string>
+    <string name="btn__share">Teilen</string>
     <string name="btn__delete">Löschen</string>
     <string name="theme_dark">Dunkel</string>
     <string name="settings__category_phone">Telefon</string>

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

@@ -31,4 +31,6 @@
     <string name="settings__category_phone">Téléphone</string>
     <string name="settings__at_least_one_contact_requried">Au moins un contact est nécessaire.</string>
     <string name="edit_contact__confirm_delete_recording_message">Supprimer cet enregistrement \?</string>
+    <string name="btn__import_contact">Importer</string>
+    <string name="btn__share">Partager</string>
 </resources>

app/src/main/res/values-nb-rNO/strings.xml

@@ -31,4 +31,6 @@
     <string name="whats_new">Nyheter</string>
     <string name="whats_new__title">Nyheter</string>
     <string name="contact_list__description">Legg til slektninger og venner og skru så av de forvalgte kontaktene for en mer personlig telefonopplevelse. Trykk på din tilpassede profil for å redigere den. Forvalg kan ikke redigeres, kun skrus av.</string>
+    <string name="btn__import_contact">Importere</string>
+    <string name="btn__share">Dele</string>
 </resources>

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

@@ -31,4 +31,6 @@
     <string name="btn__cancel">Annuleren</string>
     <string name="settings__theme">Thema</string>
     <string name="settings__category_phone">Telefoon</string>
+    <string name="btn__import_contact">Importeren</string>
+    <string name="btn__share">Deel</string>
 </resources>

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

@@ -15,10 +15,12 @@
     <string name="default_contact__mum">Mum</string>
 
     <string name="btn__add_contact">Record</string>
+    <string name="btn__import_contact">Import Contact</string>
     <string name="btn__record_sound">Record</string>
     <string name="btn__stop_recording_sound">Stop Recording</string>
     <string name="btn__play_sound">Play sound</string>
     <string name="btn__lock">Lock</string>
+    <string name="btn__share">Share</string>
     <string name="btn__delete">Delete</string>
     <string name="btn__cancel">Cancel</string>