1 files changed, 94 insertions, 0 deletions
diff --git a/android/src/com/mapswithme/util/PermissionsUtils.java b/android/src/com/mapswithme/util/PermissionsUtils.java
new file mode 100644
index 0000000000..220da3cee7
--- /dev/null
+++ b/android/src/com/mapswithme/util/PermissionsUtils.java
@@ -0,0 +1,94 @@
+package com.mapswithme.util;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.os.Build;
+import android.support.annotation.NonNull;
+import android.support.v4.app.ActivityCompat;
+
+import com.mapswithme.maps.MwmApplication;
+import com.mapswithme.util.permissions.PermissionsResult;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import static android.Manifest.permission.ACCESS_COARSE_LOCATION;
+import static android.Manifest.permission.ACCESS_FINE_LOCATION;
+import static android.Manifest.permission.GET_ACCOUNTS;
+import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE;
+
+public final class PermissionsUtils
+{
+  private static final String[] PERMISSIONS = new String[]
+      {
+          WRITE_EXTERNAL_STORAGE,
+          ACCESS_COARSE_LOCATION,
+          ACCESS_FINE_LOCATION,
+          GET_ACCOUNTS
+      };
+
+  private PermissionsUtils() {}
+
+  @NonNull
+  public static PermissionsResult computePermissionsResult(@NonNull String[] permissions,
+                                                           @NonNull int[] grantResults)
+  {
+    Map<String, Boolean> result = new HashMap<>();
+    for (int i = 0; i < permissions.length; i++)
+    {
+      result.put(permissions[i], grantResults[i] == PackageManager.PERMISSION_GRANTED);
+    }
+
+    return getPermissionsResult(result);
+  }
+
+  public static boolean isLocationGranted()
+  {
+    return checkPermissions().isLocationGranted();
+  }
+
+  public static boolean isExternalStorageGranted()
+  {
+    return checkPermissions().isExternalStorageGranted();
+  }
+
+  public static boolean isGetAccountsGranted()
+  {
+    return checkPermissions().isGetAccountsGranted();
+  }
+
+  @NonNull
+  private static PermissionsResult checkPermissions()
+  {
+    Context context = MwmApplication.get().getApplicationContext();
+    Map<String, Boolean> result = new HashMap<>();
+    for (String permission: PERMISSIONS)
+    {
+      result.put(permission,
+                 Build.VERSION.SDK_INT < Build.VERSION_CODES.M
+                 || context.checkSelfPermission(permission) == PackageManager.PERMISSION_GRANTED);
+    }
+
+    return getPermissionsResult(result);
+  }
+
+  @NonNull
+  private static PermissionsResult getPermissionsResult(@NonNull Map<String, Boolean> result)
+  {
+    boolean externalStorageGranted = result.containsKey(WRITE_EXTERNAL_STORAGE)
+                                     ? result.get(WRITE_EXTERNAL_STORAGE) : false;
+    boolean locationGranted = (result.containsKey(ACCESS_COARSE_LOCATION)
+                               ? result.get(ACCESS_COARSE_LOCATION) : false)
+                              || (result.containsKey(ACCESS_FINE_LOCATION)
+                                  ? result.get(ACCESS_FINE_LOCATION) : false);
+    boolean getAccountsGranted = result.containsKey(GET_ACCOUNTS)
+                                 ? result.get(GET_ACCOUNTS) : false;
+    return new PermissionsResult(externalStorageGranted, locationGranted, getAccountsGranted);
+  }
+
+  public static void requestPermissions(@NonNull Activity activity, int code)
+  {
+    ActivityCompat.requestPermissions(activity, PERMISSIONS, code);
+  }
+}