From c0c36297dd252dbffc02fb09a07fa3a18ebe1163 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Krzysztof=20Skrz=C4=99tnicki?= <gtener@gmail.com>
Date: Tue, 2 Jan 2018 23:15:57 +0100
Subject: [PATCH] On Android app launch ask for dynamic file write perms

---
 android/src/io/anuke/mindustry/AndroidLauncher.java | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/android/src/io/anuke/mindustry/AndroidLauncher.java b/android/src/io/anuke/mindustry/AndroidLauncher.java
index 53c16c5ef9..438f2b5dff 100644
--- a/android/src/io/anuke/mindustry/AndroidLauncher.java
+++ b/android/src/io/anuke/mindustry/AndroidLauncher.java
@@ -1,9 +1,12 @@
 package io.anuke.mindustry;
 
+import android.Manifest;
 import android.content.Context;
 import android.content.Intent;
+import android.content.pm.PackageManager;
 import android.net.Uri;
 import android.os.Bundle;
+import android.os.Build;
 import android.telephony.TelephonyManager;
 import com.badlogic.gdx.backends.android.AndroidApplication;
 import com.badlogic.gdx.backends.android.AndroidApplicationConfiguration;
@@ -22,9 +25,18 @@ import java.util.Date;
 public class AndroidLauncher extends AndroidApplication{
 	boolean doubleScaleTablets = true;
 
+	int WRITE_REQUEST_CODE = 1;
+
 	@Override
 	protected void onCreate(Bundle savedInstanceState){
 		super.onCreate(savedInstanceState);
+
+		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+			if (this.checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
+				this.requestPermissions(new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, WRITE_REQUEST_CODE);
+			}
+		}
+
 		AndroidApplicationConfiguration config = new AndroidApplicationConfiguration();
 		config.useImmersiveMode = true;