From d5608cb4f3bd357e46513a38b8f3676049992dcc Mon Sep 17 00:00:00 2001
From: Daniel Gultsch <daniel@gultsch.de>
Date: Fri, 29 Apr 2016 13:58:37 +0200
Subject: [PATCH] catch ActivityNotFoundException when requesting battery op

---
 .../eu/siacs/conversations/ui/ConversationActivity.java    | 7 ++++++-
 .../eu/siacs/conversations/ui/EditAccountActivity.java     | 7 ++++++-
 src/main/res/values/strings.xml                            | 1 +
 3 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/main/java/eu/siacs/conversations/ui/ConversationActivity.java b/src/main/java/eu/siacs/conversations/ui/ConversationActivity.java
index dbd3139fd..2c98e4e7c 100644
--- a/src/main/java/eu/siacs/conversations/ui/ConversationActivity.java
+++ b/src/main/java/eu/siacs/conversations/ui/ConversationActivity.java
@@ -5,6 +5,7 @@ import android.app.ActionBar;
 import android.app.AlertDialog;
 import android.app.FragmentTransaction;
 import android.app.PendingIntent;
+import android.content.ActivityNotFoundException;
 import android.content.ClipData;
 import android.content.DialogInterface;
 import android.content.DialogInterface.OnClickListener;
@@ -1392,7 +1393,11 @@ public class ConversationActivity extends XmppActivity
 					Intent intent = new Intent(Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS);
 					Uri uri = Uri.parse("package:" + getPackageName());
 					intent.setData(uri);
-					startActivityForResult(intent, REQUEST_BATTERY_OP);
+					try {
+						startActivityForResult(intent, REQUEST_BATTERY_OP);
+					} catch (ActivityNotFoundException e) {
+						Toast.makeText(ConversationActivity.this, R.string.device_does_not_support_battery_op, Toast.LENGTH_SHORT).show();
+					}
 				}
 			});
 			if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
diff --git a/src/main/java/eu/siacs/conversations/ui/EditAccountActivity.java b/src/main/java/eu/siacs/conversations/ui/EditAccountActivity.java
index 3d7eb1ccc..59ac7e1bb 100644
--- a/src/main/java/eu/siacs/conversations/ui/EditAccountActivity.java
+++ b/src/main/java/eu/siacs/conversations/ui/EditAccountActivity.java
@@ -3,6 +3,7 @@ package eu.siacs.conversations.ui;
 import android.app.AlertDialog;
 import android.app.AlertDialog.Builder;
 import android.app.PendingIntent;
+import android.content.ActivityNotFoundException;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.SharedPreferences;
@@ -445,7 +446,11 @@ public class EditAccountActivity extends XmppActivity implements OnAccountUpdate
 				Intent intent = new Intent(Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS);
 				Uri uri = Uri.parse("package:"+getPackageName());
 				intent.setData(uri);
-				startActivityForResult(intent,REQUEST_BATTERY_OP);
+				try {
+					startActivityForResult(intent, REQUEST_BATTERY_OP);
+				} catch (ActivityNotFoundException e) {
+					Toast.makeText(EditAccountActivity.this, R.string.device_does_not_support_battery_op, Toast.LENGTH_SHORT).show();
+				}
 			}
 		});
 		this.mSessionEst = (TextView) findViewById(R.id.session_est);
diff --git a/src/main/res/values/strings.xml b/src/main/res/values/strings.xml
index 7c027b509..ae5c704c1 100644
--- a/src/main/res/values/strings.xml
+++ b/src/main/res/values/strings.xml
@@ -635,4 +635,5 @@
 	<string name="presence_xa">Not Available</string>
 	<string name="presence_dnd">Busy</string>
 	<string name="secure_password_generated">A secure password has been generated</string>
+	<string name="device_does_not_support_battery_op">Your device does not support opting out of battery optimization</string>
 </resources>