Revert "Add Trigger Sensor API Demo."

This reverts commit 50435d3e6f13f1faca9d743bd4f29791e8a4931d.
diff --git a/samples/ApiDemos/AndroidManifest.xml b/samples/ApiDemos/AndroidManifest.xml
index a201523..f4e77e0 100644
--- a/samples/ApiDemos/AndroidManifest.xml
+++ b/samples/ApiDemos/AndroidManifest.xml
@@ -1198,13 +1198,6 @@
             </intent-filter>
         </activity>
 
-        <activity android:name=".os.TriggerSensors" android:label="OS/TriggerSensors">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
-                <category android:name="android.intent.category.SAMPLE_CODE" />
-            </intent-filter>
-        </activity>
-
         <activity android:name=".os.RotationVectorDemo" android:label="OS/Rotation Vector"  android:screenOrientation="nosensor">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
diff --git a/samples/ApiDemos/res/layout/trigger_sensors.xml b/samples/ApiDemos/res/layout/trigger_sensors.xml
deleted file mode 100644
index c4156e0..0000000
--- a/samples/ApiDemos/res/layout/trigger_sensors.xml
+++ /dev/null
@@ -1,31 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2013 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.
--->
-
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical">
-
-    <TextView
-        android:id="@+id/text"
-        android:textSize="20sp"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:background="@drawable/box"
-        android:layout_weight="1"
-        android:scrollbars="vertical"/>
-     />
-</LinearLayout>
diff --git a/samples/ApiDemos/res/values/strings.xml b/samples/ApiDemos/res/values/strings.xml
index 8b28a1d..c9c347e 100644
--- a/samples/ApiDemos/res/values/strings.xml
+++ b/samples/ApiDemos/res/values/strings.xml
@@ -877,14 +877,6 @@
     <string name="local_audio">Play Audio from Local File</string>
     <string name="res_audio">Play Audio from Resources</string>
 
-    <!-- =========================== -->
-    <!-- os examples strings    -->
-    <!-- =========================== -->
-    <string name="no_sig_motion">Significant Motion Sensor Not Detected</string>
-    <string name="sig_motion">Significant Motion Detected</string>
-    <string name="sig_motion_enabled">Significant Motion Enabled</string>
-    <string name="sig_motion_auto_disabled">Signification Motion Auto Disabled</string>
-
     <!-- ============================ -->
     <!--  views examples strings  -->
     <!-- ============================ -->
diff --git a/samples/ApiDemos/src/com/example/android/apis/os/TriggerSensors.java b/samples/ApiDemos/src/com/example/android/apis/os/TriggerSensors.java
deleted file mode 100644
index 7d4b416..0000000
--- a/samples/ApiDemos/src/com/example/android/apis/os/TriggerSensors.java
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- * Copyright (C) 2013 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 com.example.android.apis.os;
-
-import android.app.Activity;
-import android.content.Context;
-import android.view.View;
-import android.hardware.Sensor;
-import android.hardware.TriggerEvent;
-import android.hardware.TriggerEventListener;
-import android.hardware.SensorManager;
-import android.os.Bundle;
-import android.widget.TextView;
-import com.example.android.apis.R;
-
-/**
- * <h3>Application showing the Trigger Sensor API for the Significant Motion sensor. </h3>
-
-<p>This demonstrates the {@link android.hardware.SensorManager android.hardware.SensorManager
-   android.hardware.TriggerEventListener} class.
-
-<h4>Demo</h4>
-OS / TriggerSensors
-
-<h4>Source files</h4>
- * <table class="LinkTable">
- *         <tr>
- *             <td >src/com.example.android.apis/os/TriggerSensors.java</td>
- *             <td >TriggerSensors</td>
- *         </tr>
- * </table>
- */
-
-
-class TriggerListener extends TriggerEventListener {
-    private Context mContext;
-    private TextView mTextView;
-
-    TriggerListener(Context context, TextView textView) {
-        mContext = context;
-        mTextView = textView;
-    }
-
-    @Override
-    public void onTrigger(TriggerEvent event) {
-        if (event.values[0] == 1) {
-            mTextView.append(mContext.getString(R.string.sig_motion) + "\n");
-            mTextView.append(mContext.getString(R.string.sig_motion_auto_disabled) + "\n");
-        }
-        // Sensor is auto disabled.
-    }
-}
-
-public class TriggerSensors extends Activity {
-    private SensorManager mSensorManager;
-    private Sensor mSigMotion;
-    private TriggerListener mListener;
-    private TextView mTextView;
-
-    @Override
-    protected void onResume() {
-        super.onResume();
-        if (mSigMotion != null && mSensorManager.requestTriggerSensor(mListener, mSigMotion))
-                mTextView.append(getString(R.string.sig_motion_enabled) + "\n");
-    }
-
-    @Override
-    protected void onPause() {
-        super.onPause();
-        // Call disable only if needed for cleanup.
-        // The sensor is auto disabled when triggered.
-        if (mSigMotion != null) mSensorManager.cancelTriggerSensor(mListener, mSigMotion);
-    }
-
-
-    /**
-     * Initialization of the Activity after it is first created.  Must at least
-     * call {@link android.app.Activity#setContentView setContentView()} to
-     * describe what is to be displayed in the screen.
-     */
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.trigger_sensors);
-        mSensorManager = (SensorManager)getSystemService(SENSOR_SERVICE);
-        mSigMotion = mSensorManager.getDefaultSensor(Sensor.TYPE_SIGNIFICANT_MOTION);
-        mTextView = (TextView)findViewById(R.id.text);
-        mListener = new TriggerListener(this, mTextView);
-        if (mSigMotion == null) {
-            mTextView.append(getString(R.string.no_sig_motion) + "\n");
-        }
-    }
-
-    @Override
-    protected void onStop() {
-        if (mSigMotion != null) mSensorManager.cancelTriggerSensor(mListener, mSigMotion);
-        super.onStop();
-    }
-}