Remove broken os.Sensors demo
Change-Id: I379925051521e615f057d1f81ecffddb95be7899
This commit is contained in:
Alex Ray
@@ -1210,13 +1210,6 @@
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</intent-filter>
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</intent-filter>
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</activity>
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</activity>
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<activity android:name=".os.Sensors" android:label="OS/Sensors">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.SAMPLE_CODE" />
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</intent-filter>
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</activity>
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<activity android:name=".os.TriggerSensors" android:label="OS/TriggerSensors">
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<activity android:name=".os.TriggerSensors" android:label="OS/TriggerSensors">
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<intent-filter>
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<action android:name="android.intent.action.MAIN" />
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@@ -1,241 +0,0 @@
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/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.android.apis.os;
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import android.app.Activity;
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import android.content.Context;
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import android.os.Bundle;
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import android.view.View;
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import android.hardware.Sensor;
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import android.hardware.SensorEvent;
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import android.hardware.SensorEventListener;
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import android.hardware.SensorManager;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Paint;
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import android.graphics.Path;
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import android.graphics.RectF;
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/**
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* <h3>Application that displays the values of the acceleration sensor graphically.</h3>
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<p>This demonstrates the {@link android.hardware.SensorManager android.hardware.SensorManager} class.
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<h4>Demo</h4>
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OS / Sensors
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<h4>Source files</h4>
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* <table class="LinkTable">
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* <tr>
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* <td >src/com.example.android.apis/os/Sensors.java</td>
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* <td >Sensors</td>
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* </tr>
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* </table>
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*/
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public class Sensors extends Activity {
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private SensorManager mSensorManager;
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private GraphView mGraphView;
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private class GraphView extends View implements SensorEventListener
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{
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private Bitmap mBitmap;
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private Paint mPaint = new Paint();
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private Canvas mCanvas = new Canvas();
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private Path mPath = new Path();
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private RectF mRect = new RectF();
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private float mLastValues[] = new float[3*2];
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private float mOrientationValues[] = new float[3];
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private int mColors[] = new int[3*2];
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private float mLastX;
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private float mScale[] = new float[2];
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private float mYOffset;
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private float mMaxX;
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private float mSpeed = 1.0f;
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private float mWidth;
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private float mHeight;
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public GraphView(Context context) {
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super(context);
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mColors[0] = Color.argb(192, 255, 64, 64);
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mColors[1] = Color.argb(192, 64, 128, 64);
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mColors[2] = Color.argb(192, 64, 64, 255);
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mColors[3] = Color.argb(192, 64, 255, 255);
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mColors[4] = Color.argb(192, 128, 64, 128);
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mColors[5] = Color.argb(192, 255, 255, 64);
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mPaint.setFlags(Paint.ANTI_ALIAS_FLAG);
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mRect.set(-0.5f, -0.5f, 0.5f, 0.5f);
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mPath.arcTo(mRect, 0, 180);
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}
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@Override
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protected void onSizeChanged(int w, int h, int oldw, int oldh) {
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mBitmap = Bitmap.createBitmap(w, h, Bitmap.Config.RGB_565);
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mCanvas.setBitmap(mBitmap);
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mCanvas.drawColor(0xFFFFFFFF);
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mYOffset = h * 0.5f;
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mScale[0] = - (h * 0.5f * (1.0f / (SensorManager.STANDARD_GRAVITY * 2)));
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mScale[1] = - (h * 0.5f * (1.0f / (SensorManager.MAGNETIC_FIELD_EARTH_MAX)));
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mWidth = w;
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mHeight = h;
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if (mWidth < mHeight) {
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mMaxX = w;
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} else {
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mMaxX = w-50;
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}
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mLastX = mMaxX;
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super.onSizeChanged(w, h, oldw, oldh);
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}
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@Override
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protected void onDraw(Canvas canvas) {
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synchronized (this) {
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if (mBitmap != null) {
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final Paint paint = mPaint;
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final Path path = mPath;
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final int outer = 0xFFC0C0C0;
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final int inner = 0xFFff7010;
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if (mLastX >= mMaxX) {
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mLastX = 0;
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final Canvas cavas = mCanvas;
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final float yoffset = mYOffset;
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final float maxx = mMaxX;
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final float oneG = SensorManager.STANDARD_GRAVITY * mScale[0];
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paint.setColor(0xFFAAAAAA);
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cavas.drawColor(0xFFFFFFFF);
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cavas.drawLine(0, yoffset, maxx, yoffset, paint);
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cavas.drawLine(0, yoffset+oneG, maxx, yoffset+oneG, paint);
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cavas.drawLine(0, yoffset-oneG, maxx, yoffset-oneG, paint);
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}
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canvas.drawBitmap(mBitmap, 0, 0, null);
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float[] values = mOrientationValues;
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if (mWidth < mHeight) {
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float w0 = mWidth * 0.333333f;
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float w = w0 - 32;
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float x = w0*0.5f;
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for (int i=0 ; i<3 ; i++) {
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canvas.save(Canvas.MATRIX_SAVE_FLAG);
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canvas.translate(x, w*0.5f + 4.0f);
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canvas.save(Canvas.MATRIX_SAVE_FLAG);
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paint.setColor(outer);
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canvas.scale(w, w);
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canvas.drawOval(mRect, paint);
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canvas.restore();
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canvas.scale(w-5, w-5);
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paint.setColor(inner);
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canvas.rotate(-values[i]);
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canvas.drawPath(path, paint);
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canvas.restore();
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x += w0;
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}
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} else {
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float h0 = mHeight * 0.333333f;
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float h = h0 - 32;
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float y = h0*0.5f;
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for (int i=0 ; i<3 ; i++) {
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canvas.save(Canvas.MATRIX_SAVE_FLAG);
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canvas.translate(mWidth - (h*0.5f + 4.0f), y);
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canvas.save(Canvas.MATRIX_SAVE_FLAG);
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paint.setColor(outer);
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canvas.scale(h, h);
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canvas.drawOval(mRect, paint);
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canvas.restore();
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canvas.scale(h-5, h-5);
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paint.setColor(inner);
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canvas.rotate(-values[i]);
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canvas.drawPath(path, paint);
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canvas.restore();
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y += h0;
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}
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}
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}
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}
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}
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public void onSensorChanged(SensorEvent event) {
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//Log.d(TAG, "sensor: " + sensor + ", x: " + values[0] + ", y: " + values[1] + ", z: " + values[2]);
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synchronized (this) {
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if (mBitmap != null) {
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final Canvas canvas = mCanvas;
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final Paint paint = mPaint;
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if (event.sensor.getType() == Sensor.TYPE_ORIENTATION) {
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for (int i=0 ; i<3 ; i++) {
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mOrientationValues[i] = event.values[i];
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}
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} else {
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float deltaX = mSpeed;
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float newX = mLastX + deltaX;
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int j = (event.sensor.getType() == Sensor.TYPE_MAGNETIC_FIELD) ? 1 : 0;
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for (int i=0 ; i<3 ; i++) {
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int k = i+j*3;
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final float v = mYOffset + event.values[i] * mScale[j];
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paint.setColor(mColors[k]);
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canvas.drawLine(mLastX, mLastValues[k], newX, v, paint);
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mLastValues[k] = v;
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}
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if (event.sensor.getType() == Sensor.TYPE_MAGNETIC_FIELD)
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mLastX += mSpeed;
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}
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invalidate();
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}
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}
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}
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public void onAccuracyChanged(Sensor sensor, int accuracy) {
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}
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}
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/**
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* Initialization of the Activity after it is first created. Must at least
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* call {@link android.app.Activity#setContentView setContentView()} to
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* describe what is to be displayed in the screen.
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*/
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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// Be sure to call the super class.
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super.onCreate(savedInstanceState);
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mSensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
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mGraphView = new GraphView(this);
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setContentView(mGraphView);
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}
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@Override
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protected void onResume() {
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super.onResume();
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mSensorManager.registerListener(mGraphView,
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mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER),
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SensorManager.SENSOR_DELAY_FASTEST);
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mSensorManager.registerListener(mGraphView,
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mSensorManager.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD),
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SensorManager.SENSOR_DELAY_FASTEST);
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mSensorManager.registerListener(mGraphView,
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mSensorManager.getDefaultSensor(Sensor.TYPE_ORIENTATION),
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SensorManager.SENSOR_DELAY_FASTEST);
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}
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@Override
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protected void onStop() {
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mSensorManager.unregisterListener(mGraphView);
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super.onStop();
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}
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}
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