Demo.rar_DEMO_android 监听

package GohnStudio.Demo; import java.io.IOException; import GohnStudio.Lib.PhoneService; import android.app.Activity; import android.app.Notification; import android.app.NotificationManager; import android.app.PendingIntent; import android.content.Context; import android.content.Intent; import android.location.Criteria; import android.location.Location; import android.location.LocationListener; import android.location.LocationManager; import android.os.Bundle; import android.os.Handler; import android.util.Log; import android.view.KeyEvent; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.TextView; import android.widget.Toast; public class DemoActivity extends Activity { /** Called when the activity is first created. */ //NO 1 Button button; Button buttonStart; Button buttonStop; Button buttonCancel; TextView textview; LocationManager manager; Location location; //NO 2 LocationManager _locationManager; String _bestProvider; Location _location; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); textview=(TextView)findViewById(R.id.textview); button=(Button)findViewById(R.id.button); buttonStart=(Button)findViewById(R.id.button1); buttonStop=(Button)findViewById(R.id.button2); buttonCancel=(Button)findViewById(R.id.button3); manager=(LocationManager)getSystemService(LOCATION_SERVICE); //从GPS_PROVIDER获取最近的定位信息 location=manager.getLastKnownLocation(LocationManager.GPS_PROVIDER); updateView(location); //判断GPS是否可用 if(!manager.isProviderEnabled(LocationManager.GPS_PROVIDER)) { Toast.makeText(getApplicationContext(), "请开启GPS。", Toast.LENGTH_SHORT).show(); } buttonStart.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub Log.i("Test", "onClick: starting service"); startService(new Intent(DemoActivity.this,PhoneService.class)); } }); buttonStop.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub Log.i("Test", "onClick: stopping service"); stopService(new Intent(DemoActivity.this,PhoneService.class)); } }); buttonCancel.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub Log.i("Studio", "onClick: 退出"); stopService(new Intent(DemoActivity.this, PhoneService.class)); cancelNotification(); //退出 ExitSystem(); } }); button.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub //设置每60秒，每移动十米向LocationProvider获取一次GPS的定位信息 //当LocationProvider可用，不可用或定位信息改变时，调用updateView,更新显示 manager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 2000, 1, new LocationListener() { @Override public void onStatusChanged(String provider, int status, Bundle extras) { // TODO Auto-generated method stub } @Override public void onProviderEnabled(String provider) { // TODO Auto-generated method stub // updateView(manager.getLastKnownLocation(provider)); } @Override public void onProviderDisabled(String provider) { // TODO Auto-generated method stub updateView(null); } @Override public void onLocationChanged(Location location) { // TODO Auto-generated method stub //location为变化完的新位置，更新显示 updateView(location); } }); } }); _locationManager = (LocationManager) getSystemService(LOCATION_SERVICE); Criteria criteria = new Criteria(); criteria.setAccuracy(Criteria.ACCURACY_FINE); criteria.setAltitudeRequired(false); criteria.setPowerRequirement(Criteria.POWER_LOW); criteria.setBearingRequired(false); _bestProvider = _locationManager.getBestProvider(criteria, false); _location = _locationManager.getLastKnownLocation(_bestProvider); } //不退出 @Override public boolean onKeyDown(int keyCode, KeyEvent event) { if (keyCode == KeyEvent.KEYCODE_BACK) { if(false) { ExitSystem(); }else { //Icon并且提醒内存常驻 finish(); Toast.makeText(getApplicationContext(), "您可以在任务栏看到我。", Toast.LENGTH_SHORT).show(); //setNotification setNotification(); } return true; }else{ return super.onKeyDown(keyCode, event); } } @Override protected void onResume() { _locationManager.requestLocationUpdates(_bestProvider, 2000, 1, new PhoneLocationListener()); super.onResume(); }; @Override protected void onPause() { _locationManager.removeUpdates(new PhoneLocationListener()); super.onPause(); }; //ExitSystem public void ExitSystem() { //结束所有并退出 finish(); System.runFinalizersOnExit(true); System.exit(0); } //更新显示内容的方法 public void updateView(Location location) { StringBuffer buffer=new StringBuffer(); if(location==null) { textview.setText("未获得服务"); return; } buffer.append("经度："+location.getLongitude()+"\n"); buffer.append("纬度："+location.getLatitude()+"\n"); buffer.append("高度："+location.getAltitude()+"\n"); buffer.append("速度："+location.getSpeed()+"\n"); buffer.append("方向："+location.getBearing()+"\n"); textview.setText(buffer.toString()); } // 添加常驻通知 private void setNotification() { NotificationManager notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE); Notification notification = new Notification(R.drawable.icon, getString(R.string.app_name), System.currentTimeMillis()); Intent intent = new Intent(this,DemoActivity.class); notification.flags = Notification.FLAG_ONGOING_EVENT; // 设置常驻 Flag PendingIntent contextIntent = PendingIntent.getActivity(this, 0, intent, 0); notification.setLatestEventInfo(getApplicationContext(), getString(R.string.app_name), getString(R.string.information), contextIntent); notificationManager.notify(R.string.app_name, notification); } // 取消通知 private void cancelNotification() { NotificationManager notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE); notificationManager.cancel(R.string.app_name); } //内部类 public class PhoneLocationListener implements LocationListener{ @Override public void onLocationChanged(Location location) { // TODO Auto-generated method stub updateView(location); } @Override public void onProviderDisabled(String provider) { // TODO Auto-generated method stub } @Override public void onProviderEnabled(String provider) { // TODO Auto-generated method stub } @Override public void onStatusChanged(String provider, int status, Bundle extras) { // TODO Auto-generated method stub } } }