{"id":321,"date":"2019-01-12T23:04:07","date_gmt":"2019-01-12T14:04:07","guid":{"rendered":"https:\/\/dalomo.net\/blog\/?p=321"},"modified":"2019-01-12T23:07:27","modified_gmt":"2019-01-12T14:07:27","slug":"%e6%81%b5%e6%96%b9%e5%b7%bb%e3%81%8d%e3%82%b3%e3%83%b3%e3%83%91%e3%82%b9%e3%82%92%e4%bd%9c%e3%82%8a%e3%81%9f%e3%81%84%e5%9c%b0%e7%a3%81%e6%b0%97%e3%83%bb%e5%8a%a0%e9%80%9f%e5%ba%a6%e3%82%bb%e3%83%b3","status":"publish","type":"post","link":"https:\/\/dalomo.net\/blog\/2019\/01\/12\/321\/","title":{"rendered":"\u6075\u65b9\u5dfb\u304d\u30b3\u30f3\u30d1\u30b9\u3092\u4f5c\u308a\u305f\u3044&\u5730\u78c1\u6c17\u30fb\u52a0\u901f\u5ea6\u30bb\u30f3\u30b5\u30fc\u306e\u5024\u306e\u53d6\u5f97"},"content":{"rendered":"

\"\"<\/a><\/p>\n

\u6075\u65b9\u5dfb\u304d\u30b3\u30f3\u30d1\u30b9<\/h2>\n

\u30b9\u30fc\u30d1\u30fc\u3084\u30b3\u30f3\u30d3\u30cb\u306b\u884c\u304f\u3068\u3082\u3046\u6075\u65b9\u5dfb\u304d\u306e\u4e88\u7d04\u3084\u3089\u306e\u5e83\u544a\u304c\u63b2\u793a\u3055\u308c\u3066\u3044\u308b\u3002GooglePlay\u3067\u6075\u65b9\u5dfb\u304d\u30b3\u30f3\u30d1\u30b9\u3092\u63a2\u3057\u3066\u307f\u305f\u3089\u3001\u666e\u901a\u306e\u30b3\u30f3\u30d1\u30b9\u306b\u52a0\u3048\u3066\u3001\u6075\u65b9\u5dfb\u304d\u30b3\u30f3\u30d1\u30b9\u3082\u8150\u308b\u307b\u3069\u51fa\u3066\u304d\u305f\u3002\u3053\u308c\u306a\u3089\u4ffa\u304c\u4f5c\u3063\u3066\u3082\u5927\u4e08\u592b\u3067\u306f\u306a\u304b\u308d\u3046\u304b\u3068\u601d\u3063\u305f\u3002\u306a\u3093\u3068\u306a\u304f\u3060\u3051\u3069\u3001\u30bb\u30f3\u30b5\u30fc\u304b\u3089\u6570\u5024\u3092\u5f15\u3063\u5f35\u308b\u3068\u3053\u308d\u307e\u3067\u306f\u3067\u304d\u305d\u3046\u3060\u3051\u3069\u3001\u305d\u308c\u3092\u5143\u306b\u753b\u50cf(\u78c1\u91dd\u3068\u304b)\u3092\u52d5\u304b\u3059\u306e\u306b\u82e6\u6226\u3057\u305d\u3046\u3060\u306a\u3068\u601d\u3046\u3002\u3067\u3082\u307e\u3042\u3084\u3063\u3066\u307f\u3088\u3046\u3001\u7bc0\u5206\u306b\u9593\u306b\u5408\u3046\u304b\u306a\u3002\u9593\u306b\u5408\u308f\u306a\u304b\u3063\u305f\u3089\u305d\u308c\u306f\u305d\u308c\u3067\u3044\u3044\u3084\u3002<\/p>\n

\u30bb\u30f3\u30b5\u30fc\u3092\u6271\u3046<\/h3>\n

\u3068\u308a\u3042\u3048\u305a\u753b\u50cf\u3068\u304b\u306f\u5f8c\u56de\u3057\u306b\u3057\u3066\u3001\u30c6\u30ad\u30b9\u30c8\u3067\u6570\u5024\u3092\u8868\u793a\u3059\u308b\u3088\u3046\u306a\u3082\u306e\u3092\u4f5c\u3063\u3066\u307f\u305f\u3044\u3002\u3044\u308d\u3093\u306a\u30b5\u30a4\u30c8\u3092\u898b\u308b\u3068\u3001\u52a0\u901f\u5ea6\u30bb\u30f3\u30b5\u30fc\u3068\u78c1\u6c17\u30bb\u30f3\u30b5\u30fc\u3092\u4f7f\u3046\u307f\u305f\u3044\u3002\u65b9\u4f4d\u3067\u3001\u306a\u3093\u3067\u52a0\u901f\u5ea6\u304c\u5fc5\u8981\u306a\u3093\u3060\u308d\u3046\u3068\u601d\u3063\u305f\u3051\u3069\u3088\u304f\u5206\u304b\u3063\u3066\u306a\u3044\u3002<\/p>\n

private SensorManager mSensorManager;\r\nprivate Sensor mAccelerometer;\r\nprivate Sensor mMagneticField;<\/pre>\n
mSensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE);<\/pre>\n
\u30bb\u30f3\u30b5\u30fc\u3092\u4f7f\u3046\u3068\u304d\u306f\u3001SensorManager\u3092\u4f7f\u3046\u307f\u305f\u3044\u3002<\/p>\n
public class CompassActivity extends AppCompatActivity implements SensorEventListener {<\/pre>\n
implements SensorEventListner\u3092\u8ffd\u52a0\u3059\u308b\u3068<\/p>\n
@Override\r\npublic void onSensorChanged(SensorEvent event) {\r\n\r\n}\r\n\r\n@Override\r\npublic void onAccuracyChanged(Sensor sensor, int accuracy) {\r\n\r\n}<\/pre>\n
\u306e2\u3064\u3092\u8ffd\u52a0\u3059\u308b\u3088\u3046\u306b\u8a00\u308f\u308c\u308b\u30022\u3064\u306e\u9055\u3044\u304c\u3042\u307e\u308a\u826f\u304f\u5206\u304b\u3089\u3093\u304c\u3001\u666e\u901a\u4e0a\u306e\u30e1\u30bd\u30c3\u30c9\u306e\u4e2d\u306b\u51e6\u7406\u3092\u66f8\u304f\u307f\u305f\u3044\u3002<\/p>\n
@Override\r\nprotected void onResume() {\r\n    super.onResume();\r\n    mAccelerometer = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);\r\n    mMagneticField = mSensorManager.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD);\r\n    mSensorManager.registerListener(this, mAccelerometer, SensorManager.SENSOR_DELAY_NORMAL);\r\n    mSensorManager.registerListener(this, mMagneticField, SensorManager.SENSOR_DELAY_NORMAL);\r\n}\r\n\r\n@Override\r\nprotected void onPause() {\r\n    super.onPause();\r\n    mSensorManager.unregisterListener(this);\r\n}<\/pre>\n
onResume\u3068onPause\u3067\u30ea\u30b9\u30ca\u306e\u767b\u9332\u3068\u89e3\u9664\u3002onStop\u3067\u89e3\u9664\u3057\u3066\u308b\u3068\u3053\u3082\u3042\u3063\u305f\u3051\u3069\u306a\u305c\u304b\u306a\u3002\u3053\u308c\u3067\u4f7f\u3046\u6e96\u5099\u3067\u304d\u305f\u306f\u305a\u3002<\/p>\n
private float[] fAccell;\r\nprivate float[] fMagnetic;<\/pre>\n
@Override\r\npublic void onSensorChanged(SensorEvent event) {\r\n    switch (event.sensor.getType()) {\r\n        case Sensor.TYPE_ACCELEROMETER:\r\n            fAccell = event.values.clone();\r\n            break;\r\n        case Sensor.TYPE_MAGNETIC_FIELD:\r\n            fMagnetic = event.values.clone();\r\n            break;\r\n    }\r\n}<\/pre>\n
switch\u3067\u30bb\u30f3\u30b5\u30fc\u306e\u7a2e\u985e\u3092\u5224\u65ad\u3057\u3001\u305d\u308c\u305e\u308c\u5024\u3092float\u578b\u306e\u5909\u6570\u306b\u4ee3\u5165\u3059\u308b\u3002\u3068\u308a\u3042\u3048\u305aTextView\u306b\u8868\u793a\u3057\u3066\u307f\u3088\u3046\u3002<\/p>\n
StringBuilder sb = new StringBuilder();<\/pre>\n
if (fAccell != null && fMagnetic != null) {\r\n    sb.append(\"\u52a0\u901f\u5ea6\\nX _ \");\r\n    sb.append(fAccell[0]);\r\n    sb.append(\"\\nY _ \");\r\n    sb.append(fAccell[1]);\r\n    sb.append(\"\\nZ _ \");\r\n    sb.append(fAccell[2]);\r\n\r\n    sb.append(\"\\n\\n\u5730\u78c1\u6c17\\nX _ \");\r\n    sb.append(fMagnetic[0]);\r\n    sb.append(\"\\nY _ \");\r\n    sb.append(fMagnetic[1]);\r\n    sb.append(\"\\nZ _ \");\r\n    sb.append(fMagnetic[2]);\r\n\r\n    textView.setText(sb.toString());\r\n}<\/pre>\n
\u3069\u3063\u3061\u3082null\u3058\u3083\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u8868\u793a\u3002<\/p>\n