Download user logs and developer logs as files.

app/src/main/AndroidManifest.xml

@@ -20,6 +20,17 @@
             </intent-filter>
         </activity>
 
+        <provider
+            android:name="androidx.core.content.FileProvider"
+            android:authorities="cash.z.ecc.android.fileprovider"
+            android:exported="false"
+            android:grantUriPermissions="true"
+            android:writePermission="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/file_paths" />
+        </provider>
+
         <!-- Firebase options -->
         <meta-data android:name="com.google.firebase.ml.vision.DEPENDENCIES" android:value="barcode" />
 

app/src/main/java/cash/z/ecc/android/feedback/FeedbackFile.kt

@@ -5,12 +5,15 @@ import okio.Okio
 import java.io.File
 import java.text.SimpleDateFormat
 
-class FeedbackFile(fileName: String = "feedback.log") :
+class FeedbackFile(fileName: String = "user_log.txt") :
     FeedbackCoordinator.FeedbackObserver {
 
-    val file = File(ZcashWalletApp.instance.noBackupFilesDir, fileName)
+    val file = File("${ZcashWalletApp.instance.filesDir}/logs", fileName)
     private val format = SimpleDateFormat("MM-dd HH:mm:ss.SSS")
 
+    init {
+        if (!file.parentFile.exists()) file.parentFile.mkdirs()
+    }
 
     override fun onMetric(metric: Feedback.Metric) {
         appendToFile(metric.toString())

app/src/main/java/cash/z/ecc/android/ui/profile/ProfileFragment.kt

@@ -1,23 +1,34 @@
 package cash.z.ecc.android.ui.profile
 
+import android.content.Context
 import android.content.Intent
+import android.net.Uri
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
+import androidx.core.content.FileProvider.getUriForFile
 import cash.z.ecc.android.BuildConfig
 import cash.z.ecc.android.R
+import cash.z.ecc.android.ZcashWalletApp
 import cash.z.ecc.android.databinding.FragmentProfileBinding
 import cash.z.ecc.android.di.viewmodel.viewModel
 import cash.z.ecc.android.ext.onClick
 import cash.z.ecc.android.ext.onClickNavBack
 import cash.z.ecc.android.ext.onClickNavTo
 import cash.z.ecc.android.feedback.FeedbackFile
+import cash.z.ecc.android.feedback.Report
+import cash.z.ecc.android.feedback.Report.Tap.*
 import cash.z.ecc.android.ui.base.BaseFragment
 import cash.z.wallet.sdk.ext.toAbbreviatedAddress
+import cash.z.wallet.sdk.ext.twig
 import kotlinx.coroutines.launch
 import okio.Okio
+import java.io.File
+import java.io.IOException
+
 
 class ProfileFragment : BaseFragment<FragmentProfileBinding>() {
+    override val screen = Report.Screen.PROFILE
 
     private val viewModel: ProfileViewModel by viewModel()
 
@@ -26,13 +37,20 @@ class ProfileFragment : BaseFragment<FragmentProfileBinding>() {
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-        binding.hitAreaClose.onClickNavBack()
-        binding.buttonBackup.onClickNavTo(R.id.action_nav_profile_to_nav_backup)
+        binding.hitAreaClose.onClickNavBack() { tapped(PROFILE_CLOSE) }
+        binding.buttonBackup.onClickNavTo(R.id.action_nav_profile_to_nav_backup) { tapped(PROFILE_BACKUP) }
         binding.textVersion.text = BuildConfig.VERSION_NAME
         onClick(binding.buttonLogs) {
+            tapped(PROFILE_VIEW_USER_LOGS)
             onViewLogs()
         }
+        binding.buttonLogs.setOnLongClickListener {
+            tapped(PROFILE_VIEW_DEV_LOGS)
+            onViewDevLogs()
+            true
+        }
         onClick(binding.buttonFeedback) {
+            tapped(PROFILE_SEND_FEEDBACK)
             onSendFeedback()
         }
     }
@@ -45,31 +63,63 @@ class ProfileFragment : BaseFragment<FragmentProfileBinding>() {
     }
 
     private fun onViewLogs() {
-        loadLogFileAsText().let { logText ->
-            if (logText == null) {
-                mainActivity?.showSnackbar("Log file not found!")
-            } else {
-                val sendIntent: Intent = Intent().apply {
-                    action = Intent.ACTION_SEND
-                    putExtra(Intent.EXTRA_TEXT, logText)
-                    type = "text/plain"
-                }
+        shareFile(userLogFile())
+    }
 
-                val shareIntent = Intent.createChooser(sendIntent, "Share Log File")
-                startActivity(shareIntent)
+    private fun onViewDevLogs() {
+        shareFile(writeLogcat())
+    }
+
+    private fun shareFiles(vararg files: File?) {
+        val uris = arrayListOf<Uri>().apply {
+            files.filterNotNull().mapNotNull {
+                getUriForFile(ZcashWalletApp.instance, "${BuildConfig.APPLICATION_ID}.fileprovider", it)
+            }.forEach {
+                add(it)
             }
         }
+        val intent = Intent(Intent.ACTION_SEND_MULTIPLE).apply {
+            putParcelableArrayListExtra(Intent.EXTRA_STREAM, uris)
+            type = "text/*"
+        }
+        startActivity(Intent.createChooser(intent, "Share Log Files"))
+    }
+
+    fun shareFile(file: File?) {
+        file ?: return
+        val uri = getUriForFile(ZcashWalletApp.instance, "${BuildConfig.APPLICATION_ID}.fileprovider", file)
+        val intent = Intent(Intent.ACTION_SEND).apply {
+            putExtra(Intent.EXTRA_STREAM, uri)
+            type = "text/plain"
+        }
+        startActivity(Intent.createChooser(intent, "Share Log File"))
     }
 
     private fun onSendFeedback() {
         mainActivity?.showSnackbar("Feedback feature coming soon!")
     }
 
+    private fun userLogFile(): File? {
+        return mainActivity?.feedbackCoordinator?.findObserver<FeedbackFile>()?.file
+    }
+
     private fun loadLogFileAsText(): String? {
-        val feedbackFile: FeedbackFile =
-            mainActivity?.feedbackCoordinator?.findObserver() ?: return null
-        Okio.buffer(Okio.source(feedbackFile.file)).use {
+        val feedbackFile: File = userLogFile() ?: return null
+        Okio.buffer(Okio.source(feedbackFile)).use {
             return it.readUtf8()
         }
     }
+
+    private fun writeLogcat(): File? {
+        try {
+            val outputFile = File("${ZcashWalletApp.instance.filesDir}/logs", "developer_log.txt")
+            val cmd = arrayOf("/bin/sh", "-c", "logcat -v time -d | grep \"@TWIG\" > ${outputFile.absolutePath}")
+            Runtime.getRuntime().exec(cmd)
+            return outputFile
+        } catch (e: IOException) {
+            e.printStackTrace()
+            twig("Failed to create log")
+        }
+        return null
+    }
 }

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

@@ -161,7 +161,7 @@
         android:layout_marginTop="16dp"
         style="@style/TextAppearance.AppCompat.Body1"
         android:textSize="16sp"
-        android:text="See Application Log"
+        android:text="See Application Logs"
         android:textColor="@color/selector_button_text_light_dimmed"
         app:layout_constraintTop_toBottomOf="@id/button_backup"
         app:layout_constraintEnd_toEndOf="parent"

app/src/main/res/xml/file_paths.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<paths>
+    <!-- Share files from a dedicated folder on the internal files storage. -->
+    <files-path name="logs" path="logs/"/>
+</paths>