Storage permissions

Change-Id: I9dd25e5d9e70a0fc3ee4306fe7cc0ee50f8a4cf9

Author: samtstern

storage/app/src/main/java/com/google/firebase/quickstart/firebasestorage/MainActivity.java

@@ -209,7 +209,7 @@ private void launchCamera() {
         Log.d(TAG, "launchCamera");
 
         // Pick an image from storage
-        Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
+        Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
         intent.setType("image/*");
         startActivityForResult(intent, RC_TAKE_PICTURE);
     }

storage/app/src/main/java/com/google/firebase/quickstart/firebasestorage/MyUploadService.java

@@ -3,6 +3,7 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.net.Uri;
+import android.os.Build;
 import android.os.IBinder;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
@@ -58,6 +59,14 @@ public int onStartCommand(Intent intent, int flags, int startId) {
         Log.d(TAG, "onStartCommand:" + intent + ":" + startId);
         if (ACTION_UPLOAD.equals(intent.getAction())) {
             Uri fileUri = intent.getParcelableExtra(EXTRA_FILE_URI);
+
+            // Make sure we have permission to read the data
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
+                getContentResolver().takePersistableUriPermission(
+                        fileUri,
+                        Intent.FLAG_GRANT_READ_URI_PERMISSION);
+            }
+
             uploadFromUri(fileUri);
         }