Add exit reason screen

app/src/main/java/io/timelimit/android/integration/platform/ExitLogItem.kt

@@ -0,0 +1,73 @@
+/*
+ * TimeLimit Copyright <C> 2019 - 2022 Jonas Lochmann
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+package io.timelimit.android.integration.platform
+
+import android.app.ApplicationExitInfo
+import android.os.Build
+import androidx.annotation.RequiresApi
+
+data class ExitLogItem (
+    val timestamp: Long,
+    val reason: ExitReason,
+    val description: String?
+) {
+    companion object {
+        @RequiresApi(Build.VERSION_CODES.R)
+        fun fromApplicationExitInfo(item: ApplicationExitInfo): ExitLogItem = ExitLogItem(
+            timestamp = item.timestamp,
+            reason = ExitReasonConverter.fromApplicationExitInfo(item),
+            description = item.description
+        )
+    }
+}
+
+enum class ExitReason {
+    AppNotResponding,
+    Crash,
+    CrashNative,
+    DependencyDied,
+    TooMuchRessourceUsage,
+    Self,
+    InitFailure,
+    LowMemory,
+    SystemOther,
+    PermissionChange,
+    Signaled,
+    SystemUnknown,
+    UserRequest,
+    UserStopped,
+    Unknown
+}
+
+object ExitReasonConverter {
+    fun fromApplicationExitInfo(input: ApplicationExitInfo): ExitReason = when (input.reason) {
+        ApplicationExitInfo.REASON_ANR -> ExitReason.AppNotResponding
+        ApplicationExitInfo.REASON_CRASH -> ExitReason.Crash
+        ApplicationExitInfo.REASON_CRASH_NATIVE -> ExitReason.CrashNative
+        ApplicationExitInfo.REASON_DEPENDENCY_DIED -> ExitReason.DependencyDied
+        ApplicationExitInfo.REASON_EXCESSIVE_RESOURCE_USAGE -> ExitReason.TooMuchRessourceUsage
+        ApplicationExitInfo.REASON_EXIT_SELF -> ExitReason.Self
+        ApplicationExitInfo.REASON_INITIALIZATION_FAILURE -> ExitReason.InitFailure
+        ApplicationExitInfo.REASON_LOW_MEMORY -> ExitReason.LowMemory
+        ApplicationExitInfo.REASON_OTHER -> ExitReason.SystemOther
+        ApplicationExitInfo.REASON_PERMISSION_CHANGE -> ExitReason.PermissionChange
+        ApplicationExitInfo.REASON_SIGNALED -> ExitReason.Signaled
+        ApplicationExitInfo.REASON_UNKNOWN -> ExitReason.SystemUnknown
+        ApplicationExitInfo.REASON_USER_REQUESTED -> ExitReason.UserRequest
+        ApplicationExitInfo.REASON_USER_STOPPED -> ExitReason.UserStopped
+        else -> ExitReason.Unknown
+    }
+}

app/src/main/java/io/timelimit/android/integration/platform/PlatformIntegration.kt

@@ -1,5 +1,5 @@
 /*
- * TimeLimit Copyright <C> 2019 - 2021 Jonas Lochmann
+ * TimeLimit Copyright <C> 2019 - 2022 Jonas Lochmann
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -86,6 +86,8 @@ abstract class PlatformIntegration(
         confirmationLevel: SystemPermissionConfirmationLevel = SystemPermissionConfirmationLevel.None
     ): Boolean
 
+    abstract fun getExitLog(): List<ExitLogItem>
+
     var installedAppsChangeListener: Runnable? = null
     var systemClockChangeListener: Runnable? = null
 }

app/src/main/java/io/timelimit/android/integration/platform/android/AndroidIntegration.kt

@@ -1,5 +1,5 @@
 /*
- * TimeLimit Copyright <C> 2019 - 2021 Jonas Lochmann
+ * TimeLimit Copyright <C> 2019 - 2022 Jonas Lochmann
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -793,4 +793,11 @@ class AndroidIntegration(context: Context): PlatformIntegration(maximumProtectio
             }
         }
     }
+
+    override fun getExitLog(): List<ExitLogItem> {
+        return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+            activityManager.getHistoricalProcessExitReasons(context.packageName, 0, 0)
+                .map { ExitLogItem.fromApplicationExitInfo(it) }
+        } else emptyList()
+    }
 }

app/src/main/java/io/timelimit/android/integration/platform/dummy/DummyIntegration.kt

@@ -1,5 +1,5 @@
 /*
- * TimeLimit Copyright <C> 2019 - 2021 Jonas Lochmann
+ * TimeLimit Copyright <C> 2019 - 2022 Jonas Lochmann
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -185,4 +185,6 @@ class DummyIntegration(
         permission: SystemPermission,
         confirmationLevel: SystemPermissionConfirmationLevel
     ): Boolean = false
+
+    override fun getExitLog(): List<ExitLogItem> = emptyList()
 }

app/src/main/java/io/timelimit/android/ui/diagnose/DiagnoseMainFragment.kt

@@ -1,5 +1,5 @@
 /*
- * TimeLimit Copyright <C> 2019 - 2021 Jonas Lochmann
+ * TimeLimit Copyright <C> 2019 - 2022 Jonas Lochmann
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -100,6 +100,13 @@ class DiagnoseMainFragment : Fragment(), FragmentWithCustomTitle {
             }
         }
 
+        binding.diagnoseExitReasonsButton.setOnClickListener {
+            navigation.safeNavigate(
+                DiagnoseMainFragmentDirections.actionDiagnoseMainFragmentToDiagnoseExitReasonFragment(),
+                R.id.diagnoseMainFragment
+            )
+        }
+
         AuthenticationFab.manageAuthenticationFab(
             fab = binding.fab,
             shouldHighlight = auth.shouldHighlightAuthenticationButton,

app/src/main/java/io/timelimit/android/ui/diagnose/exitreason/DiagnoseExitReasonAdapter.kt

@@ -0,0 +1,46 @@
+/*
+ * TimeLimit Copyright <C> 2019 - 2022 Jonas Lochmann
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+package io.timelimit.android.ui.diagnose.exitreason
+
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import io.timelimit.android.databinding.DiagnoseExitReasonItemBinding
+import io.timelimit.android.integration.platform.ExitLogItem
+import java.text.DateFormat
+import java.util.*
+import kotlin.properties.Delegates
+
+class DiagnoseExitReasonAdapter: RecyclerView.Adapter<DiagnoseExitReasonHolder>() {
+    var content: List<ExitLogItem> by Delegates.observable(emptyList()) { _, _, _ -> notifyDataSetChanged() }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): DiagnoseExitReasonHolder = DiagnoseExitReasonHolder(
+        DiagnoseExitReasonItemBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+    )
+
+    override fun onBindViewHolder(holder: DiagnoseExitReasonHolder, position: Int) {
+        val item = content[position]
+        val view = holder.binding
+
+        view.timeString = DateFormat.getDateTimeInstance().format(Date(item.timestamp))
+        view.summaryString = item.reason.toString()
+        view.detailString = item.description
+    }
+
+    override fun getItemCount(): Int = content.size
+}
+
+class DiagnoseExitReasonHolder(val binding: DiagnoseExitReasonItemBinding): RecyclerView.ViewHolder(binding.root)

app/src/main/java/io/timelimit/android/ui/diagnose/exitreason/DiagnoseExitReasonFragment.kt

@@ -0,0 +1,48 @@
+/*
+ * TimeLimit Copyright <C> 2019 - 2022 Jonas Lochmann
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+package io.timelimit.android.ui.diagnose.exitreason
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import androidx.lifecycle.LiveData
+import androidx.recyclerview.widget.LinearLayoutManager
+import io.timelimit.android.R
+import io.timelimit.android.databinding.DiagnoseExitReasonFragmentBinding
+import io.timelimit.android.livedata.liveDataFromNullableValue
+import io.timelimit.android.logic.DefaultAppLogic
+import io.timelimit.android.ui.main.FragmentWithCustomTitle
+
+class DiagnoseExitReasonFragment: Fragment(), FragmentWithCustomTitle {
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        val binding = DiagnoseExitReasonFragmentBinding.inflate(inflater, container, false)
+        val data = DefaultAppLogic.with(requireContext()).platformIntegration.getExitLog()
+        val recycler = binding.recycler
+        val adapter = DiagnoseExitReasonAdapter()
+
+        adapter.content = data
+        recycler.layoutManager = LinearLayoutManager(requireContext())
+        recycler.adapter = adapter
+        binding.isEmpty = data.isEmpty()
+
+        return binding.root
+    }
+
+    override fun getCustomTitle(): LiveData<String?> = liveDataFromNullableValue("${getString(R.string.diagnose_er_title)} < ${getString(
+        R.string.about_diagnose_title)} < ${getString(R.string.main_tab_overview)}")
+}

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

@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    TimeLimit Copyright <C> 2019 - 2022 Jonas Lochmann
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation version 3 of the License.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program. If not, see <https://www.gnu.org/licenses/>.
+-->
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <data>
+        <variable
+            name="isEmpty"
+            type="boolean" />
+
+        <import type="android.view.View" />
+    </data>
+
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/recycler"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent" />
+
+        <TextView
+            android:visibility="@{isEmpty ? View.VISIBLE : View.GONE}"
+            android:textAppearance="?android:textAppearanceMedium"
+            android:padding="16dp"
+            android:gravity="center"
+            android:text="@string/diagnose_er_empty"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent" />
+
+    </FrameLayout>
+</layout>

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

@@ -0,0 +1,76 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    TimeLimit Copyright <C> 2019 - 2022 Jonas Lochmann
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation version 3 of the License.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program. If not, see <https://www.gnu.org/licenses/>.
+-->
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <data>
+        <variable
+            name="timeString"
+            type="String" />
+
+        <variable
+            name="summaryString"
+            type="String" />
+
+        <variable
+            name="detailString"
+            type="String" />
+
+        <import type="android.text.TextUtils" />
+        <import type="android.view.View" />
+    </data>
+
+    <androidx.cardview.widget.CardView
+        android:layout_marginLeft="4dp"
+        android:layout_marginRight="4dp"
+        android:layout_marginTop="2dp"
+        android:layout_marginBottom="2dp"
+        app:cardUseCompatPadding="true"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+        <LinearLayout
+            android:padding="8dp"
+            android:orientation="vertical"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+
+            <TextView
+                android:textAppearance="?android:textAppearanceLarge"
+                tools:text="vom Benutzer beendet"
+                android:text="@{summaryString}"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content" />
+
+            <TextView
+                android:textAppearance="?android:textAppearanceMedium"
+                tools:text="er will keine Begrenzungen"
+                android:text="@{detailString}"
+                android:visibility="@{TextUtils.isEmpty(detailString) ? View.GONE : View.VISIBLE}"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content" />
+
+            <TextView
+                android:textAppearance="?android:textAppearanceMedium"
+                tools:text="vor fünf Minuten"
+                android:text="@{timeString}"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content" />
+
+        </LinearLayout>
+    </androidx.cardview.widget.CardView>
+</layout>

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

@@ -1,5 +1,5 @@
 <!--
-  TimeLimit Copyright <C> 2019 - 2020 Jonas Lochmann
+  TimeLimit Copyright <C> 2019 - 2022 Jonas Lochmann
   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation version 3 of the License.
@@ -87,6 +87,13 @@
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content" />
 
+                <Button
+                    style="?materialButtonOutlinedStyle"
+                    android:id="@+id/diagnose_exit_reasons_button"
+                    android:text="@string/diagnose_er_title"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content" />
+
             </LinearLayout>
         </ScrollView>
 

app/src/main/res/navigation/nav_graph.xml

@@ -405,6 +405,13 @@
             app:exitAnim="@anim/nav_default_exit_anim"
             app:popEnterAnim="@anim/nav_default_pop_enter_anim"
             app:popExitAnim="@anim/nav_default_pop_exit_anim" />
+        <action
+            android:id="@+id/action_diagnoseMainFragment_to_diagnoseExitReasonFragment"
+            app:destination="@id/diagnoseExitReasonFragment"
+            app:enterAnim="@anim/nav_default_enter_anim"
+            app:exitAnim="@anim/nav_default_exit_anim"
+            app:popEnterAnim="@anim/nav_default_pop_enter_anim"
+            app:popExitAnim="@anim/nav_default_pop_exit_anim" />
     </fragment>
     <fragment
         android:id="@+id/diagnoseClockFragment"
@@ -584,4 +591,8 @@
             android:name="childId"
             app:argType="string" />
     </fragment>
+    <fragment
+        android:id="@+id/diagnoseExitReasonFragment"
+        android:name="io.timelimit.android.ui.diagnose.exitreason.DiagnoseExitReasonFragment"
+        android:label="DiagnoseExitReasonFragment" />
 </navigation>

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

@@ -530,6 +530,9 @@
     <string name="diagnose_don_no_owner_toast">TimeLimit ist KEIN Geräte-Besitzer</string>
     <string name="diagnose_don_not_supported_toast">Ihr System ermöglicht es nicht, einen Organisationsnamen zu hinterlegen</string>
 
+    <string name="diagnose_er_title">Gründe für die Beendung</string>
+    <string name="diagnose_er_empty">es liegen keine Daten vor; diese Daten sind nur bei Android 11 und neuer verfügbar</string>
+
     <string name="dont_ask_password_on_device_title">Passwortabfrage</string>
     <string name="dont_ask_password_on_device_text_enabled">
         Die Passwortabfrage ist an diesem Gerät aktiviert.

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

@@ -583,6 +583,9 @@
     <string name="diagnose_don_no_owner_toast">TimeLimit is NOT set as device owner</string>
     <string name="diagnose_don_not_supported_toast">Your system does not support setting the organization name</string>
 
+    <string name="diagnose_er_title">Exit Reasons</string>
+    <string name="diagnose_er_empty">there is no data; this data is only available at Android 11 and newer</string>
+
     <string name="dont_ask_password_on_device_title">Password prompts</string>
     <string name="dont_ask_password_on_device_text_enabled">
         Password prompts are enabled at the device.