app-common/src/main/AndroidManifest.xml

@@ -46,5 +46,15 @@
             android:name="im.angry.openeuicc.service.EuiccChannelManagerService"
             android:foregroundServiceType="shortService"
             android:exported="false" />
+
+        <provider
+            android:name="androidx.core.content.FileProvider"
+            android:authorities="${applicationId}.provider"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/file_provider_paths" />
+        </provider>
     </application>
 </manifest>

app-common/src/main/java/im/angry/openeuicc/ui/LogsActivity.kt

@@ -10,6 +10,8 @@ import android.widget.TextView
 import androidx.activity.enableEdgeToEdge
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.appcompat.app.AppCompatActivity
+import androidx.core.app.ShareCompat
+import androidx.core.content.FileProvider
 import androidx.lifecycle.lifecycleScope
 import androidx.swiperefreshlayout.widget.SwipeRefreshLayout
 import im.angry.openeuicc.common.R
@@ -17,15 +19,22 @@ import im.angry.openeuicc.util.*
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
+import java.io.File
 import java.io.FileOutputStream
 import java.util.Date
 
+
 class LogsActivity : AppCompatActivity() {
     private lateinit var swipeRefresh: SwipeRefreshLayout
     private lateinit var scrollView: ScrollView
     private lateinit var logText: TextView
     private lateinit var logStr: String
 
+    private val fileName by lazy {
+        val now = SimpleDateFormat.getDateTimeInstance().format(Date())
+        getString(R.string.logs_filename_template, now)
+    }
+
     private val saveLogs =
         registerForActivityResult(ActivityResultContracts.CreateDocument("text/plain")) { uri ->
             if (uri == null) return@registerForActivityResult
@@ -76,9 +85,19 @@ class LogsActivity : AppCompatActivity() {
             true
         }
         R.id.save -> {
-            saveLogs.launch(getString(R.string.logs_filename_template,
-                SimpleDateFormat.getDateTimeInstance().format(Date())
-            ))
+            saveLogs.launch(fileName)
+            true
+        }
+        R.id.share -> {
+            val authority = "$packageName.provider"
+            val displayName = "$fileName.txt"
+            val file = File.createTempFile("logs", ".txt", cacheDir)
+                .apply { writeText(logStr) }
+            ShareCompat.IntentBuilder(this)
+                .setType("image/plain")
+                .setChooserTitle(fileName)
+                .addStream(FileProvider.getUriForFile(this, authority, file, displayName))
+                .startChooser()
             true
         }
         else -> super.onOptionsItemSelected(item)

app-common/src/main/res/menu/activity_logs.xml

@@ -6,4 +6,7 @@
         android:icon="@drawable/ic_save_as_black"
         android:title="@string/logs_save"
         app:showAsAction="always" />
+    <item
+        android:id="@+id/share"
+        android:title="@string/logs_share" />
 </menu>

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

@@ -130,6 +130,7 @@
     <string name="no">No</string>
 
     <string name="logs_save">Save</string>
+    <string name="logs_share">Share</string>
     <string name="logs_filename_template">Logs at %s</string>
 
     <string name="developer_options_steps">You are %d steps away from being a developer.</string>

app-common/src/main/res/xml/file_provider_paths.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<paths>
+    <cache-path name="logs" path="/" />
+</paths>