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+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * 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 android.view;
+
+import android.content.Context;
+import android.hardware.SensorListener;
+
+/**
+ * Helper class for receiving notifications from the SensorManager when
+ * the orientation of the device has changed.
+ * @deprecated use {@link android.view.OrientationEventListener} instead.
+ * This class internally uses the OrientationEventListener.
+ */
+@Deprecated
+public abstract class OrientationListener implements SensorListener {
+ private OrientationEventListener mOrientationEventLis;
+
+ /**
+ * Returned from onOrientationChanged when the device orientation cannot be determined
+ * (typically when the device is in a close to flat position).
+ *
+ * @see #onOrientationChanged
+ */
+ public static final int ORIENTATION_UNKNOWN = OrientationEventListener.ORIENTATION_UNKNOWN;
+
+ /**
+ * Creates a new OrientationListener.
+ *
+ * @param context for the OrientationListener.
+ */
+ public OrientationListener(Context context) {
+ mOrientationEventLis = new OrientationEventListenerInternal(context);
+ }
+
+ /**
+ * Creates a new OrientationListener.
+ *
+ * @param context for the OrientationListener.
+ * @param rate at which sensor events are processed (see also
+ * {@link android.hardware.SensorManager SensorManager}). Use the default
+ * value of {@link android.hardware.SensorManager#SENSOR_DELAY_NORMAL
+ * SENSOR_DELAY_NORMAL} for simple screen orientation change detection.
+ */
+ public OrientationListener(Context context, int rate) {
+ mOrientationEventLis = new OrientationEventListenerInternal(context, rate);
+ }
+
+ class OrientationEventListenerInternal extends OrientationEventListener {
+ OrientationEventListenerInternal(Context context) {
+ super(context);
+ }
+
+ OrientationEventListenerInternal(Context context, int rate) {
+ super(context, rate);
+ // register so that onSensorChanged gets invoked
+ registerListener(OrientationListener.this);
+ }
+
+ public void onOrientationChanged(int orientation) {
+ OrientationListener.this.onOrientationChanged(orientation);
+ }
+ }
+
+ /**
+ * Enables the OrientationListener so it will monitor the sensor and call
+ * {@link #onOrientationChanged} when the device orientation changes.
+ */
+ public void enable() {
+ mOrientationEventLis.enable();
+ }
+
+ /**
+ * Disables the OrientationListener.
+ */
+ public void disable() {
+ mOrientationEventLis.disable();
+ }
+
+ public void onAccuracyChanged(int sensor, int accuracy) {
+ }
+
+ public void onSensorChanged(int sensor, float[] values) {
+ // just ignore the call here onOrientationChanged is invoked anyway
+ }
+
+
+ /**
+ * Look at {@link android.view.OrientationEventListener#onOrientationChanged}
+ * for method description and usage
+ * @param orientation The new orientation of the device.
+ *
+ * @see #ORIENTATION_UNKNOWN
+ */
+ abstract public void onOrientationChanged(int orientation);
+
+}