added permissoin request for android example

android-example/app/src/main/java/net/irext/ircontrol/ui/activity/MainActivity.java

@@ -1,11 +1,17 @@
 package net.irext.ircontrol.ui.activity;
 
+import android.Manifest;
 import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
+import android.support.annotation.RequiresApi;
 import android.support.design.widget.FloatingActionButton;
+import android.support.v4.app.ActivityCompat;
 import android.support.v4.app.FragmentManager;
+import android.support.v4.content.ContextCompat;
 import android.support.v7.app.AppCompatActivity;
 import android.util.Log;
 import android.view.MenuItem;
@@ -88,6 +94,46 @@ public class MainActivity extends AppCompatActivity {
                 gotoCreateNew();
             }
         });
+        isReadStoragePermissionGranted();
+        isWriteStoragePermissionGranted();
+    }
+
+    public  boolean isReadStoragePermissionGranted() {
+        if (Build.VERSION.SDK_INT >= 23) {
+            if (checkSelfPermission(Manifest.permission.READ_EXTERNAL_STORAGE)
+                    == PackageManager.PERMISSION_GRANTED) {
+                Log.v(TAG,"read permission is granted");
+                return true;
+            } else {
+
+                Log.v(TAG,"read permission is revoked");
+                ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.READ_EXTERNAL_STORAGE}, 3);
+                return false;
+            }
+        }
+        else { //permission is automatically granted on sdk<23 upon installation
+            Log.v(TAG,"read permission is granted");
+            return true;
+        }
+    }
+
+    public  boolean isWriteStoragePermissionGranted() {
+        if (Build.VERSION.SDK_INT >= 23) {
+            if (checkSelfPermission(android.Manifest.permission.WRITE_EXTERNAL_STORAGE)
+                    == PackageManager.PERMISSION_GRANTED) {
+                Log.v(TAG,"write permission is granted");
+                return true;
+            } else {
+
+                Log.v(TAG,"write permission is revoked");
+                ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, 2);
+                return false;
+            }
+        }
+        else { //permission is automatically granted on sdk<23 upon installation
+            Log.v(TAG,"write permission is granted");
+            return true;
+        }
     }
 
     private void gotoCreateNew() {
@@ -127,4 +173,12 @@ public class MainActivity extends AppCompatActivity {
             }
         }
     }
+
+    @Override
+    public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
+        switch (requestCode) {
+
+        }
+    }
 }

android-example/app/src/main/java/net/irext/ircontrol/ui/fragment/ControlFragment.java

@@ -137,16 +137,6 @@ public class ControlFragment extends Fragment implements View.OnClickListener {
 
             /* decode SDK - load binary file */
             int ret = mIRDecode.openFile(category, mCurrentRemoteControl.getSubCategory(), binFileName);
-            File binFile = new File(binFileName);
-            byte []binaries = new byte[(int)binFile.length()];
-            try {
-                if (null != binFile) {
-                    FileInputStream fin = new FileInputStream(binFile);
-                    fin.read(binaries);
-                }
-            } catch (Exception e) {
-                e.printStackTrace();
-            }
             Log.d(TAG, "binary opened : " + ret);
         }
     }