Fixed issue with selecting map file on Android 7.

README.md

@@ -41,6 +41,7 @@ export ANDROID_HOME=/path/to/android-sdk
   <ul>
         <li>Input can now be scanned from QR code</li>
         <li>Map can be centered to target.</li>
+        <li>Fixed issue with selecting map file on Android 7.</li>
         <li>Improved French translation.</li>
   </ul>
 </p>

src/main/AndroidManifest.xml

@@ -11,6 +11,7 @@
     <uses-permission android:name="android.permission.KILL_BACKGROUND_PROCESSES" />
     <uses-permission android:name="android.permission.VIBRATE" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.CAMERA" />
     <uses-feature android:name="android.hardware.camera" />

src/main/assets/news.xml

@@ -3,6 +3,7 @@
     <update name="0.9.2" id="43" time="22.3.2017">
         <li>Input can now be scanned from QR code.</li>
         <li>Map can be centered to target.</li>
+        <li>Fixed issue with selecting map file on Android 7.</li>
         <li>Improved French translation.</li>
     </update>
     <update name="0.9.1" id="42" time="20.3.2017">

src/main/java/menion/android/whereyougo/gui/activity/MainActivity.java

@@ -18,13 +18,15 @@
 package menion.android.whereyougo.gui.activity;
 
 import android.Manifest;
+import android.annotation.TargetApi;
 import android.app.Activity;
 import android.app.NotificationManager;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.graphics.Bitmap;
 import android.net.Uri;
+import android.os.Build;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
 import android.support.v4.app.ActivityCompat;
@@ -335,10 +337,12 @@ private boolean isAnyCartridgeAvailable() {
         }
     }
 
+    @TargetApi(Build.VERSION_CODES.M)
     private void checkPermissions() {
         final String[] permissions = new String[] {
                 Manifest.permission.ACCESS_FINE_LOCATION,
                 Manifest.permission.ACCESS_COARSE_LOCATION,
+                Manifest.permission.READ_EXTERNAL_STORAGE,
                 Manifest.permission.WRITE_EXTERNAL_STORAGE,
         };
 
@@ -362,7 +366,9 @@ public void onRequestPermissionsResult(int requestCode, @NonNull String[] permis
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        checkPermissions();
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            checkPermissions();
+        }
 
         if (Intent.ACTION_VIEW.equals(getIntent().getAction())) {
             Intent intent = new Intent(getIntent());

src/main/java/menion/android/whereyougo/maps/mapsforge/filepicker/FilePicker.java

@@ -21,6 +21,7 @@
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.Editor;
 import android.os.Bundle;
+import android.os.Environment;
 import android.preference.PreferenceManager;
 import android.view.View;
 import android.view.WindowManager;
@@ -237,6 +238,9 @@ protected void onResume() {
         if (!this.currentDirectory.exists() || !this.currentDirectory.canRead()) {
             this.currentDirectory = new File(DEFAULT_DIRECTORY);
         }
+        if (!this.currentDirectory.exists() || !this.currentDirectory.canRead()) {
+            this.currentDirectory = Environment.getExternalStorageDirectory();
+        }
         browseToCurrentDirectory();
     }
 }