打開GPS

打開GPS

1.第一種方法 private void toggleGPS() {              Intent gpsIntent = new Intent();              gpsIntent.setClassName("com.android.settings", "com.android.settings.widget.SettingsAppWidgetProvider");              gpsIntent.addCategory("android.intent.category.ALTERNATIVE");              gpsIntent.setData(Uri.parse("custom:3"));              try {                      PendingIntent.getBroadcast(StartActivity.this, 0, gpsIntent, 0).send();              } catch (CanceledException e) {                      e.printStackTrace();              }      }    2.第二種方法    private void openGPSSettings() {               //獲取GPS如今的狀態（打開或是關閉狀態）     boolean gpsEnabled = Settings.Secure.isLocationProviderEnabled( getContentResolver(), LocationManager.GPS_PROVIDER );         if(gpsEnabled)      {     //關閉GPS       Settings.Secure.setLocationProviderEnabled( getContentResolver(), LocationManager.GPS_PROVIDER, false );      }      else      {       //打開GPS  www.2cto.com       Settings.Secure.setLocationProviderEnabled( getContentResolver(), LocationManager.GPS_PROVIDER, true);     }        3.第三種方法（手動設置）      LocationManager alm = (LocationManager)StartActivity.this.getSystemService(Context.LOCATION_SERVICE);                if (alm.isProviderEnabled(android.location.LocationManager.GPS_PROVIDER))         {                     Toast.makeText(this, "GPS模塊正常", Toast.LENGTH_SHORT).show();         }                        Toast.makeText(this, "請開啓GPS！", Toast.LENGTH_SHORT).show();         Intent intent = new Intent(Settings.ACTION_SECURITY_SETTINGS);         startActivityForResult(intent,0); //此爲設置完成後返回到獲取界面          第一第二種須要加上權限   <!--容許程序讀取或寫入系統設置 -->   <uses-permission android:name="android.permission.WRITE_SETTINGS" ></uses-permission>   <uses-permission android:name="android.permission.WRITE_SECURE_SETTINGS"/>