diff --git a/app/src/main/java/edu/hzuapps/androidworks/homeworks/net1314080903234/Net1314080903234GPS.java b/app/src/main/java/edu/hzuapps/androidworks/homeworks/net1314080903234/Net1314080903234GPS.java index 322528bf..a46b04c6 100644 --- a/app/src/main/java/edu/hzuapps/androidworks/homeworks/net1314080903234/Net1314080903234GPS.java +++ b/app/src/main/java/edu/hzuapps/androidworks/homeworks/net1314080903234/Net1314080903234GPS.java @@ -44,17 +44,17 @@ public class Net1314080903234GPS extends ListActivity { private Button button; private static final String TAG="GpsActivity"; - //获取当前时间 + //鑾峰彇褰撳墠鏃堕棿 SimpleDateFormat formatter= new SimpleDateFormat ("yyyy.MM.dd HH:mm:ss"); Date curDate = new Date(System.currentTimeMillis()); String str = formatter.format(curDate); - //设置按钮 + //璁剧疆鎸夐挳 private View.OnClickListener btnListener= new View.OnClickListener() { - @Override + @Override public void onClick(View v) { if(getListView().getVisibility()==View.VISIBLE) { - Toast.makeText(getApplicationContext(),"显示历史记录",Toast.LENGTH_SHORT).show(); + Toast.makeText(getApplicationContext(),"鏄剧ず鍘嗗彶璁板綍",Toast.LENGTH_SHORT).show(); setListAdapter(adapter); refresh(); } @@ -64,8 +64,6 @@ public void onClick(View v) { }; - - @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); @@ -74,7 +72,7 @@ public void onCreate(Bundle savedInstanceState) { button.setOnClickListener(btnListener); - //读数据库 + //璇绘暟鎹簱 db =new Db(this); dbRead = db.getReadableDatabase(); dbWrite=db.getWritableDatabase(); @@ -91,40 +89,40 @@ public void onCreate(Bundle savedInstanceState) { editText=(EditText)findViewById(R.id.editText); lm=(LocationManager)getSystemService(Context.LOCATION_SERVICE); - //判断GPS是否正常启动 + //鍒ゆ柇GPS鏄惁姝e父鍚姩 if(!lm.isProviderEnabled(LocationManager.GPS_PROVIDER)){ - Toast.makeText(this, "请开启GPS导航...", Toast.LENGTH_SHORT).show(); - //返回开启GPS导航设置界面 + Toast.makeText(this, "璇峰紑鍚疓PS瀵艰埅...", Toast.LENGTH_SHORT).show(); + //杩斿洖寮�鍚疓PS瀵艰埅璁剧疆鐣岄潰 Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS); startActivityForResult(intent,0); return; } - //为获取地理位置信息时设置查询条件 + //涓鸿幏鍙栧湴鐞嗕綅缃俊鎭椂璁剧疆鏌ヨ鏉′欢 String bestProvider = lm.getBestProvider(getCriteria(), true); - //获取位置信息 - //如果不设置查询要求,getLastKnownLocation方法传人的参数为LocationManager.GPS_PROVIDER + //鑾峰彇浣嶇疆淇℃伅 + //濡傛灉涓嶈缃煡璇㈣姹傦紝getLastKnownLocation鏂规硶浼犱汉鐨勫弬鏁颁负LocationManager.GPS_PROVIDER Location location= lm.getLastKnownLocation(bestProvider); updateView(location); - //监听状态 + //鐩戝惉鐘舵�� lm.addGpsStatusListener(listener); - //绑定监听,有4个参数 - //参数1,设备:有GPS_PROVIDER和NETWORK_PROVIDER两种 - //参数2,位置信息更新周期,单位毫秒 - //参数3,位置变化最小距离:当位置距离变化超过此值时,将更新位置信息 - //参数4,监听 - //备注:参数2和3,如果参数3不为0,则以参数3为准;参数3为0,则通过时间来定时更新;两者为0,则随时刷新 - - // 1秒更新一次,或最小位移变化超过1米更新一次; - //注意:此处更新准确度非常低,推荐在service里面启动一个Thread,在run中sleep(10000);然后执行handler.sendMessage(),更新位置 + //缁戝畾鐩戝惉锛屾湁4涓弬鏁� + //鍙傛暟1锛岃澶囷細鏈塆PS_PROVIDER鍜孨ETWORK_PROVIDER涓ょ + //鍙傛暟2锛屼綅缃俊鎭洿鏂板懆鏈燂紝鍗曚綅姣 + //鍙傛暟3锛屼綅缃彉鍖栨渶灏忚窛绂伙細褰撲綅缃窛绂诲彉鍖栬秴杩囨鍊兼椂锛屽皢鏇存柊浣嶇疆淇℃伅 + //鍙傛暟4锛岀洃鍚� + //澶囨敞锛氬弬鏁�2鍜�3锛屽鏋滃弬鏁�3涓嶄负0锛屽垯浠ュ弬鏁�3涓哄噯锛涘弬鏁�3涓�0锛屽垯閫氳繃鏃堕棿鏉ュ畾鏃舵洿鏂帮紱涓よ�呬负0锛屽垯闅忔椂鍒锋柊 + + // 1绉掓洿鏂颁竴娆★紝鎴栨渶灏忎綅绉诲彉鍖栬秴杩�1绫虫洿鏂颁竴娆★紱 + //娉ㄦ剰锛氭澶勬洿鏂板噯纭害闈炲父浣庯紝鎺ㄨ崘鍦╯ervice閲岄潰鍚姩涓�涓猅hread锛屽湪run涓璼leep(10000);鐒跺悗鎵цhandler.sendMessage(),鏇存柊浣嶇疆 lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, 5000, 10, locationListener); } - //位置监听 + //浣嶇疆鐩戝惉 private LocationListener locationListener=new LocationListener() { /** - * 位置信息变化时触发 + * 浣嶇疆淇℃伅鍙樺寲鏃惰Е鍙� */ public void onLocationChanged(Location location) { updateView(location); @@ -139,34 +137,34 @@ public void onLocationChanged(Location location) { // -// Log.i(TAG, "时间:" + location.getTime()); -// Log.i(TAG, "经度:"+location.getLongitude()); -// Log.i(TAG, "纬度:"+location.getLatitude()); -// Log.i(TAG, "海拔:"+location.getAltitude()); +// Log.i(TAG, "鏃堕棿锛�" + location.getTime()); +// Log.i(TAG, "缁忓害锛�"+location.getLongitude()); +// Log.i(TAG, "绾害锛�"+location.getLatitude()); +// Log.i(TAG, "娴锋嫈锛�"+location.getAltitude()); } /** - * GPS状态变化时触发 + * GPS鐘舵�佸彉鍖栨椂瑙﹀彂 */ public void onStatusChanged(String provider, int status, Bundle extras) { switch (status) { - //GPS状态为可见时 + //GPS鐘舵�佷负鍙鏃� case LocationProvider.AVAILABLE: - Log.i(TAG, "当前GPS状态为可见状态"); + Log.i(TAG, "褰撳墠GPS鐘舵�佷负鍙鐘舵��"); break; - //GPS状态为服务区外时 + //GPS鐘舵�佷负鏈嶅姟鍖哄鏃� case LocationProvider.OUT_OF_SERVICE: - Log.i(TAG, "当前GPS状态为服务区外状态"); + Log.i(TAG, "褰撳墠GPS鐘舵�佷负鏈嶅姟鍖哄鐘舵��"); break; - //GPS状态为暂停服务时 + //GPS鐘舵�佷负鏆傚仠鏈嶅姟鏃� case LocationProvider.TEMPORARILY_UNAVAILABLE: - Log.i(TAG, "当前GPS状态为暂停服务状态"); + Log.i(TAG, "褰撳墠GPS鐘舵�佷负鏆傚仠鏈嶅姟鐘舵��"); break; } } /** - * GPS开启时触发 + * GPS寮�鍚椂瑙﹀彂 */ public void onProviderEnabled(String provider) { Location location=lm.getLastKnownLocation(provider); @@ -174,7 +172,7 @@ public void onProviderEnabled(String provider) { } /** - * GPS禁用时触发 + * GPS绂佺敤鏃惰Е鍙� */ public void onProviderDisabled(String provider) { updateView(null); @@ -183,85 +181,85 @@ public void onProviderDisabled(String provider) { }; - //状态监听 + //鐘舵�佺洃鍚� GpsStatus.Listener listener = new GpsStatus.Listener() { public void onGpsStatusChanged(int event) { switch (event) { - //第一次定位 + //绗竴娆″畾浣� case GpsStatus.GPS_EVENT_FIRST_FIX: - Log.i(TAG, "第一次定位"); + Log.i(TAG, "绗竴娆″畾浣�"); break; - //卫星状态改变 + //鍗槦鐘舵�佹敼鍙� case GpsStatus.GPS_EVENT_SATELLITE_STATUS: - Log.i(TAG, "卫星状态改变"); - //获取当前状态 + Log.i(TAG, "鍗槦鐘舵�佹敼鍙�"); + //鑾峰彇褰撳墠鐘舵�� GpsStatus gpsStatus=lm.getGpsStatus(null); - //获取卫星颗数的默认最大值 + //鑾峰彇鍗槦棰楁暟鐨勯粯璁ゆ渶澶у�� int maxSatellites = gpsStatus.getMaxSatellites(); - //创建一个迭代器保存所有卫星 + //鍒涘缓涓�涓凯浠e櫒淇濆瓨鎵�鏈夊崼鏄� Iterator iters = gpsStatus.getSatellites().iterator(); int count = 0; while (iters.hasNext() && count <= maxSatellites) { GpsSatellite s = iters.next(); count++; } - System.out.println("搜索到:"+count+"颗卫星"); + System.out.println("鎼滅储鍒帮細"+count+"棰楀崼鏄�"); break; - //定位启动 + //瀹氫綅鍚姩 case GpsStatus.GPS_EVENT_STARTED: - Log.i(TAG, "定位启动"); + Log.i(TAG, "瀹氫綅鍚姩"); break; - //定位结束 + //瀹氫綅缁撴潫 case GpsStatus.GPS_EVENT_STOPPED: - Log.i(TAG, "定位结束"); + Log.i(TAG, "瀹氫綅缁撴潫"); break; } }; }; /** - * 实时更新文本内容 + * 瀹炴椂鏇存柊鏂囨湰鍐呭 * * @param location */ private void updateView(Location location){ if(location!=null){ - editText.setText("位置信息\n\n经度:"); + editText.setText("浣嶇疆淇℃伅\n\n缁忓害锛�"); editText.append(String.valueOf(location.getLongitude())); - editText.append("\n纬度:"); + editText.append("\n绾害锛�"); editText.append(String.valueOf(location.getLatitude())); - editText.append("\n海拔:"); + editText.append("\n娴锋嫈锛�"); editText.append(String.valueOf(location.getAltitude())); - editText.append("\n时间:"); + editText.append("\n鏃堕棿锛�"); editText.append(str); }else{ - //清空EditText对象 + //娓呯┖EditText瀵硅薄 editText.getEditableText().clear(); } } /** - * 返回查询条件 + * 杩斿洖鏌ヨ鏉′欢 * @return */ private Criteria getCriteria(){ Criteria criteria=new Criteria(); - //设置定位精确度 Criteria.ACCURACY_COARSE比较粗略,Criteria.ACCURACY_FINE则比较精细 + //璁剧疆瀹氫綅绮剧‘搴� Criteria.ACCURACY_COARSE姣旇緝绮楃暐锛孋riteria.ACCURACY_FINE鍒欐瘮杈冪簿缁� criteria.setAccuracy(Criteria.ACCURACY_FINE); - //设置是否要求速度 + //璁剧疆鏄惁瑕佹眰閫熷害 criteria.setSpeedRequired(false); - // 设置是否允许运营商收费 + // 璁剧疆鏄惁鍏佽杩愯惀鍟嗘敹璐� criteria.setCostAllowed(false); - //设置是否需要方位信息 + //璁剧疆鏄惁闇�瑕佹柟浣嶄俊鎭� criteria.setBearingRequired(false); - //设置是否需要海拔信息 + //璁剧疆鏄惁闇�瑕佹捣鎷斾俊鎭� criteria.setAltitudeRequired(false); - // 设置对电源的需求 + // 璁剧疆瀵圭數婧愮殑闇�姹� criteria.setPowerRequirement(Criteria.POWER_LOW); return criteria; }