rework backup & restore

use the implementation from Conversations

1 files changed, 34 insertions, 0 deletions

diff --git a/src/main/java/de/pixart/messenger/utils/PermissionUtils.java b/src/main/java/de/pixart/messenger/utils/PermissionUtils.java
new file mode 100644
index 000000000..b21ca8869
--- /dev/null
+++ b/src/main/java/de/pixart/messenger/utils/PermissionUtils.java
@@ -0,0 +1,34 @@
+package de.pixart.messenger.utils;
+
+import android.Manifest;
+import android.content.pm.PackageManager;
+
+public class PermissionUtils {
+
+    public static boolean allGranted(int[] grantResults) {
+        for (int grantResult : grantResults) {
+            if (grantResult != PackageManager.PERMISSION_GRANTED) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    public static boolean writeGranted(int[] grantResults, String[] permission) {
+        for (int i = 0; i < grantResults.length; ++i) {
+            if (Manifest.permission.WRITE_EXTERNAL_STORAGE.equals(permission[i])) {
+                return grantResults[i] == PackageManager.PERMISSION_GRANTED;
+            }
+        }
+        return false;
+    }
+
+    public static String getFirstDenied(int[] grantResults, String[] permissions) {
+        for (int i = 0; i < grantResults.length; ++i) {
+            if (grantResults[i] == PackageManager.PERMISSION_DENIED) {
+                return permissions[i];
+            }
+        }
+        return null;
+    }
+}
\ No newline at end of file