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Code Issues Packages Projects Releases Wiki Activity

Added QR code scanning.

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This commit is contained in:
Mikunj 2019-11-22 12:08:09 +11:00
parent 27c8b45ae3
commit b650ee6ebc
8 changed files with 107 additions and 11 deletions
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13
res/layout/activity_seed.xml
View File

@ -96,6 +96,17 @@
app:labeledEditText_background="@color/loki_darkest_gray"
app:labeledEditText_label="@string/activity_key_pair_public_key_edit_text_label"/>
<Button
android:id="@+id/scanQRButton"
android:layout_width="match_parent"
android:layout_height="50dp"
android:background="@color/transparent"
android:elevation="0dp"
android:stateListAnimator="@null"
android:text="@string/fragment_scan_qr_code_title"
android:textColor="@color/signal_primary"
android:visibility="gone" />
<Button
android:id="@+id/toggleRestoreModeButton"
android:layout_width="match_parent"
@ -123,7 +134,7 @@
android:layout_height="50dp"
android:background="@color/transparent"
android:textColor="@color/signal_primary"
android:text="Link Device"
android:text="@string/activity_key_pair_toggle_mode_button_title_3"
android:elevation="0dp"
android:stateListAnimator="@null" />

3
res/layout/fragment_scan_qr_code.xml
View File

@ -24,13 +24,14 @@
android:layout_height="match_parent"/>
<TextView
android:id="@+id/descriptionTextView"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:padding="32dp"
android:gravity="center"
android:background="@color/loki_darkest_gray"
android:text="@string/fragment_scan_qr_code_explanation"
android:text="@string/fragment_scan_qr_code_explanation_new_conversation"
android:textColor="?android:textColorPrimary" />
</LinearLayout>

7
res/layout/view_device_linking.xml
View File

@ -16,6 +16,13 @@
android:indeterminate="true"
android:progressTint="@color/white" />
<ImageView
android:id="@+id/qrCodeImageView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="16dp"
android:background="@color/white" />
<TextView
android:id="@+id/titleTextView"
style="@style/Signal.Text.Headline"

3
res/values/strings.xml
View File

@ -1638,7 +1638,8 @@
<string name="view_device_linking_cancel_button_title">Cancel</string>
<!-- Scan QR code fragment -->
<string name="fragment_scan_qr_code_title">Scan QR Code</string>
<string name="fragment_scan_qr_code_explanation">Scan the QR code of the person you\'d like to securely message. They can find their QR code by going into Loki Messenger\'s in-app settings and clicking \"Show QR Code\".</string>
<string name="fragment_scan_qr_code_explanation_new_conversation">Scan the QR code of the person you\'d like to securely message. They can find their QR code by going into Loki Messenger\'s in-app settings and clicking \"Show QR Code\".</string>
<string name="fragment_scan_qr_code_explanation_link_device">Scan the QR code of the device you would like to link.</string>
<string name="fragment_scan_qr_code_camera_permission_dialog_message">Loki Messenger needs camera access to scan QR codes.</string>
<!-- Conversation activity -->
<string name="activity_conversation_copy_public_key_button_title">Copy public key</string>

22
src/org/thoughtcrime/securesms/loki/DeviceLinkingView.kt
View File

@ -4,13 +4,17 @@ import android.content.Context
import android.graphics.Color
import android.graphics.PorterDuff
import android.os.Handler
import android.text.Editable
import android.text.TextWatcher
import android.util.AttributeSet
import android.util.DisplayMetrics
import android.view.View
import android.widget.LinearLayout
import kotlinx.android.synthetic.main.view_device_linking.view.*
import kotlinx.android.synthetic.main.view_device_linking.view.cancelButton
import kotlinx.android.synthetic.main.view_device_linking.view.explanationTextView
import kotlinx.android.synthetic.main.view_device_linking.view.titleTextView
import network.loki.messenger.R
import org.thoughtcrime.securesms.qr.QrCode
import org.thoughtcrime.securesms.util.ServiceUtil
import org.thoughtcrime.securesms.util.TextSecurePreferences
import org.whispersystems.signalservice.loki.api.PairingAuthorisation
import org.whispersystems.signalservice.loki.crypto.MnemonicCodec
@ -55,6 +59,19 @@ class DeviceLinkingView private constructor(context: Context, attrs: AttributeSe
}
authorizeButton.visibility = View.GONE
authorizeButton.setOnClickListener { authorizePairing() }
// QR Code
spinner.visibility = if (mode == Mode.Master) View.GONE else View.VISIBLE
qrCodeImageView.visibility = if (mode == Mode.Master) View.VISIBLE else View.GONE
if (mode == Mode.Master) {
val hexEncodedPublicKey = TextSecurePreferences.getLocalNumber(context)
val displayMetrics = DisplayMetrics()
ServiceUtil.getWindowManager(context).defaultDisplay.getMetrics(displayMetrics)
val size = displayMetrics.widthPixels - 2 * toPx(96, resources)
val qrCode = QrCode.create(hexEncodedPublicKey, size)
qrCodeImageView.setImageBitmap(qrCode)
}
cancelButton.setOnClickListener { cancel() }
}
// endregion
@ -64,6 +81,7 @@ class DeviceLinkingView private constructor(context: Context, attrs: AttributeSe
if (mode != Mode.Master || pairingAuthorisation.type != PairingAuthorisation.Type.REQUEST || this.pairingAuthorisation != null) { return }
this.pairingAuthorisation = pairingAuthorisation
spinner.visibility = View.GONE
qrCodeImageView.visibility = View.GONE
val titleTextViewLayoutParams = titleTextView.layoutParams as LayoutParams
titleTextViewLayoutParams.topMargin = toPx(16, resources)
titleTextView.layoutParams = titleTextViewLayoutParams

25
src/org/thoughtcrime/securesms/loki/ScanQRCodeFragment.kt
View File

@ -3,6 +3,7 @@ package org.thoughtcrime.securesms.loki
import android.content.res.Configuration
import android.os.Bundle
import android.support.v4.app.Fragment
import android.support.v7.app.AppCompatActivity
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
@ -14,8 +15,15 @@ import org.thoughtcrime.securesms.qr.ScanningThread
class ScanQRCodeFragment : Fragment() {
private val scanningThread = ScanningThread()
private var viewCreated = false
var scanListener: ScanListener? = null
set(value) { field = value; scanningThread.setScanListener(scanListener) }
var mode: Mode = Mode.NewConversation
set(value) { field = value; updateDescription(); }
// region Types
enum class Mode { NewConversation, LinkDevice }
// endregion
override fun onCreateView(layoutInflater: LayoutInflater, viewGroup: ViewGroup?, bundle: Bundle?): View? {
return layoutInflater.inflate(R.layout.fragment_scan_qr_code, viewGroup, false)
@ -23,10 +31,12 @@ class ScanQRCodeFragment : Fragment() {
override fun onViewCreated(view: View, bundle: Bundle?) {
super.onViewCreated(view, bundle)
viewCreated = true
when (resources.configuration.orientation) {
Configuration.ORIENTATION_LANDSCAPE -> overlayView.orientation = LinearLayout.HORIZONTAL
else -> overlayView.orientation = LinearLayout.VERTICAL
}
updateDescription()
}
override fun onResume() {
@ -35,8 +45,10 @@ class ScanQRCodeFragment : Fragment() {
this.cameraView.onResume()
this.cameraView.setPreviewCallback(scanningThread)
this.scanningThread.start()
val activity = activity as NewConversationActivity
activity.supportActionBar!!.setTitle(R.string.fragment_scan_qr_code_title)
if (activity is AppCompatActivity) {
val activity = activity as AppCompatActivity
activity.supportActionBar?.setTitle(R.string.fragment_scan_qr_code_title)
}
}
override fun onPause() {
@ -55,4 +67,13 @@ class ScanQRCodeFragment : Fragment() {
cameraView.onResume()
cameraView.setPreviewCallback(scanningThread)
}
fun updateDescription() {
if (!viewCreated) { return }
val text = when (mode) {
Mode.NewConversation -> R.string.fragment_scan_qr_code_explanation_new_conversation
Mode.LinkDevice -> R.string.fragment_scan_qr_code_explanation_link_device
}
descriptionTextView.setText(text)
}
}

34
src/org/thoughtcrime/securesms/loki/SeedActivity.kt
View File

@ -1,11 +1,13 @@
package org.thoughtcrime.securesms.loki
import android.Manifest
import android.content.ClipData
import android.content.ClipboardManager
import android.content.Context
import android.content.Intent
import android.os.AsyncTask
import android.os.Bundle
import android.support.v4.app.FragmentManager
import android.view.View
import android.view.inputmethod.InputMethodManager
import android.widget.Toast
@ -19,6 +21,8 @@ import org.thoughtcrime.securesms.database.Address
import org.thoughtcrime.securesms.database.DatabaseFactory
import org.thoughtcrime.securesms.database.IdentityDatabase
import org.thoughtcrime.securesms.logging.Log
import org.thoughtcrime.securesms.permissions.Permissions
import org.thoughtcrime.securesms.qr.ScanListener
import org.thoughtcrime.securesms.util.Hex
import org.thoughtcrime.securesms.util.TextSecurePreferences
import org.whispersystems.curve25519.Curve25519
@ -32,7 +36,7 @@ import org.whispersystems.signalservice.loki.utilities.retryIfNeeded
import java.io.File
import java.io.FileOutputStream
class SeedActivity : BaseActionBarActivity(), DeviceLinkingDelegate {
class SeedActivity : BaseActionBarActivity(), DeviceLinkingDelegate, ScanListener {
private lateinit var languageFileDirectory: File
private var mode = Mode.Register
set(newValue) { field = newValue; updateUI() }
@ -57,6 +61,23 @@ class SeedActivity : BaseActionBarActivity(), DeviceLinkingDelegate {
toggleRestoreModeButton.setOnClickListener { mode = Mode.Restore }
toggleLinkModeButton.setOnClickListener { mode = Mode.Link }
mainButton.setOnClickListener { handleMainButtonTapped() }
scanQRButton.setOnClickListener {
Permissions.with(this)
.request(Manifest.permission.CAMERA)
.ifNecessary()
.withPermanentDenialDialog(getString(R.string.fragment_scan_qr_code_camera_permission_dialog_message))
.onAllGranted {
val fragment = ScanQRCodeFragment()
fragment.mode = ScanQRCodeFragment.Mode.LinkDevice
fragment.scanListener = this
supportFragmentManager.beginTransaction().replace(android.R.id.content, fragment).addToBackStack("QR").commitAllowingStateLoss()
publicKeyEditText.clearFocus()
val inputMethodManager = getSystemService(INPUT_METHOD_SERVICE) as InputMethodManager
inputMethodManager.hideSoftInputFromWindow(publicKeyEditText.windowToken, 0)
}
.onAnyDenied { Toast.makeText(this, R.string.fragment_scan_qr_code_camera_permission_dialog_message, Toast.LENGTH_SHORT).show() }
.execute()
}
Analytics.shared.track("Seed Screen Viewed")
}
// endregion
@ -106,6 +127,7 @@ class SeedActivity : BaseActionBarActivity(), DeviceLinkingDelegate {
mnemonicEditText.visibility = restoreModeVisibility
linkExplanationTextView.visibility = linkModeVisibility
publicKeyEditText.visibility = linkModeVisibility
scanQRButton.visibility = linkModeVisibility
toggleRegisterModeButton.visibility = if (mode != Mode.Register) View.VISIBLE else View.GONE
toggleRestoreModeButton.visibility = if (mode != Mode.Restore) View.VISIBLE else View.GONE
toggleLinkModeButton.visibility = if (mode != Mode.Link) View.VISIBLE else View.GONE
@ -236,4 +258,14 @@ class SeedActivity : BaseActionBarActivity(), DeviceLinkingDelegate {
TextSecurePreferences.setPromptedPushRegistration(this, false)
}
// endregion
override fun onQrDataFound(data: String?) {
runOnUiThread {
if (data != null && PublicKeyValidation.isValid(data.trim())) {
publicKeyEditText.setText(data.trim())
supportFragmentManager.popBackStackImmediate("QR", FragmentManager.POP_BACK_STACK_INCLUSIVE)
handleMainButtonTapped()
}
}
}
// endregion
}

11
src/org/thoughtcrime/securesms/qr/QrCode.java
View File

@ -5,12 +5,15 @@ import android.graphics.Color;
import android.support.annotation.NonNull;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.EncodeHintType;
import com.google.zxing.WriterException;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.qrcode.QRCodeWriter;
import org.thoughtcrime.securesms.logging.Log;
import java.util.HashMap;
public class QrCode {
public static final String TAG = QrCode.class.getSimpleName();
@ -18,10 +21,12 @@ public class QrCode {
public static @NonNull Bitmap create(String data) {
return create(data, 1024);
}
public static @NonNull Bitmap create(String data, int size) {
public static @NonNull Bitmap create(String data, int size) { return create(data, size, 2); }
public static @NonNull Bitmap create(String data, int size, int margin) {
try {
BitMatrix result = new QRCodeWriter().encode(data, BarcodeFormat.QR_CODE, size, size);
HashMap<EncodeHintType, Integer> hintMap = new HashMap<>();
hintMap.put(EncodeHintType.MARGIN, margin);
BitMatrix result = new QRCodeWriter().encode(data, BarcodeFormat.QR_CODE, size, size, hintMap);
Bitmap bitmap = Bitmap.createBitmap(result.getWidth(), result.getHeight(), Bitmap.Config.ARGB_8888);
for (int y = 0; y < result.getHeight(); y++) {