Deprecate EmptyListeners (#124)

dexter/src/main/java/com/karumi/dexter/listener/multi/BaseMultiplePermissionsListener.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2015 Karumi.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.karumi.dexter.listener.multi;
+
+import com.karumi.dexter.MultiplePermissionsReport;
+import com.karumi.dexter.PermissionToken;
+import com.karumi.dexter.listener.PermissionRequest;
+import java.util.List;
+
+/**
+ * Base implementation of {@link MultiplePermissionsListener} to allow extensions to implement
+ * only the required methods
+ */
+public class BaseMultiplePermissionsListener implements MultiplePermissionsListener {
+
+  @Override public void onPermissionsChecked(MultiplePermissionsReport report) {
+
+  }
+
+  @Override public void onPermissionRationaleShouldBeShown(List<PermissionRequest> permissions,
+      PermissionToken token) {
+    token.continuePermissionRequest();
+  }
+}

dexter/src/main/java/com/karumi/dexter/listener/multi/EmptyMultiplePermissionsListener.java

@@ -24,7 +24,10 @@
 /**
  * Empty implementation of {@link MultiplePermissionsListener} to allow extensions to implement
  * only the required methods
+ * @deprecated Use {@link BaseMultiplePermissionsListener} instead that has a default implementation
+ * for the method onPermissionRationaleShouldBeShown.
  */
+@Deprecated
 public class EmptyMultiplePermissionsListener implements MultiplePermissionsListener {
 
   @Override public void onPermissionsChecked(MultiplePermissionsReport report) {

dexter/src/main/java/com/karumi/dexter/listener/single/BasePermissionListener.java

@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2015 Karumi.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.karumi.dexter.listener.single;
+
+import com.karumi.dexter.PermissionToken;
+import com.karumi.dexter.listener.PermissionDeniedResponse;
+import com.karumi.dexter.listener.PermissionGrantedResponse;
+import com.karumi.dexter.listener.PermissionRequest;
+
+/**
+ * Base implementation of {@link PermissionListener} to allow extensions to implement only the
+ * required methods
+ */
+public class BasePermissionListener implements PermissionListener {
+
+  @Override public void onPermissionGranted(PermissionGrantedResponse response) {
+
+  }
+
+  @Override public void onPermissionDenied(PermissionDeniedResponse response) {
+
+  }
+
+  @Override public void onPermissionRationaleShouldBeShown(PermissionRequest permission,
+      PermissionToken token) {
+    token.continuePermissionRequest();
+  }
+}

dexter/src/main/java/com/karumi/dexter/listener/single/EmptyPermissionListener.java

@@ -24,7 +24,10 @@
 /**
  * Empty implementation of {@link PermissionListener} to allow extensions to implement only the
  * required methods
+ * @deprecated Use {@link BasePermissionListener} instead that has a default implementation
+ * for the method onPermissionRationaleShouldBeShown.
  */
+@Deprecated
 public class EmptyPermissionListener implements PermissionListener {
 
   @Override public void onPermissionGranted(PermissionGrantedResponse response) {