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package com.vonglasow.michael.satstat.data; //from w ww .j av a 2 s. co m import java.util.List; import android.annotation.TargetApi; import android.os.Build; import android.telephony.CellIdentityLte; import android.telephony.CellInfo; import android.telephony.CellInfoLte; import android.telephony.NeighboringCellInfo; import android.telephony.TelephonyManager; import android.telephony.gsm.GsmCellLocation; import android.util.Log; public class CellTowerListLte extends CellTowerList<CellTowerLte> { /** * Returns the cell tower with the specified data, or {@code null} if it is not in the list. */ public CellTowerLte get(int pci) { String entry = CellTowerLte.getAltText(pci); if (entry == null) return null; else return this.get(entry); } /** * Returns the cell tower with the specified data, or {@code null} if it is not in the list. */ public CellTowerLte get(int mcc, int mnc, int tac, int ci) { String entry = CellTowerLte.getText(mcc, mnc, tac, ci); if (entry == null) return null; else return this.get(entry); } /** * Adds or updates a cell tower. * <p> * If the cell tower is already in the list, its data is updated; if not, a * new entry is created. * <p> * This method will set the cell's identity data. After this call, * {@link #isServing()} will return {@code true} for this cell. * @param networkOperator The network operator, as returned by {@link android.telephony.TelephonyManager#getNetworkOperator()}. * @param location The {@link android.telephony.GsmCellLocation}, as returned by {@link android.telephony.TelephonyManager#getCellLocation()}. * @return The new or updated entry. */ public CellTowerLte update(String networkOperator, GsmCellLocation location) { int mcc = CellTower.UNKNOWN; int mnc = CellTower.UNKNOWN; if (networkOperator.length() > 3) { mcc = Integer.parseInt(networkOperator.substring(0, 3)); mnc = Integer.parseInt(networkOperator.substring(3)); } CellTowerLte result = this.get(mcc, mnc, location.getLac(), location.getCid()); if (result == null) result = this.get(location.getPsc()); if (result == null) result = new CellTowerLte(mcc, mnc, location.getLac(), location.getCid(), location.getPsc()); if (result.getMcc() == CellTower.UNKNOWN) result.setMcc(mcc); if (result.getMnc() == CellTower.UNKNOWN) result.setMnc(mnc); if (result.getTac() == CellTower.UNKNOWN) result.setTac(location.getLac()); if (result.getCi() == CellTower.UNKNOWN) result.setCi(location.getCid()); if (result.getPci() == CellTower.UNKNOWN) result.setPci(location.getPsc()); this.put(result.getText(), result); this.put(result.getAltText(), result); result.setCellLocation(true); Log.d(this.getClass().getSimpleName(), String.format("Added GsmCellLocation for %s, %d G", result.getText(), result.getGeneration())); return result; } /** * Adds or updates a cell tower. * <p> * If the cell tower is already in the list, its data is updated; if not, a * new entry is created. Cells whose network type is not LTE will be * rejected. * <p> * This method will set the cell's identity data, generation and its signal * strength. * @return The new or updated entry, or {@code null} if the cell was rejected */ public CellTowerLte update(String networkOperator, NeighboringCellInfo cell) { int mcc = CellTower.UNKNOWN; int mnc = CellTower.UNKNOWN; if (networkOperator.length() > 3) { mcc = Integer.parseInt(networkOperator.substring(0, 3)); mnc = Integer.parseInt(networkOperator.substring(3)); } CellTowerLte result = this.get(mcc, mnc, cell.getLac(), cell.getCid()); if (result == null) result = this.get(cell.getPsc()); if (result == null) result = new CellTowerLte(mcc, mnc, cell.getLac(), cell.getCid(), cell.getPsc()); result.setNeighboringCellInfo(true); int networkType = cell.getNetworkType(); switch (networkType) { case TelephonyManager.NETWORK_TYPE_LTE: result.setAsu(cell.getRssi()); break; default: // not an LTE cell, return return null; } result.setNetworkType(networkType); if (result.getMcc() == CellTower.UNKNOWN) result.setMcc(mcc); if (result.getMnc() == CellTower.UNKNOWN) result.setMnc(mnc); if (result.getTac() == CellTower.UNKNOWN) result.setTac(cell.getLac()); if (result.getCi() == CellTower.UNKNOWN) result.setCi(cell.getCid()); if (result.getPci() == CellTower.UNKNOWN) result.setPci(cell.getPsc()); this.put(result.getText(), result); this.put(result.getAltText(), result); Log.d(this.getClass().getSimpleName(), String.format("Added NeighboringCellInfo for %s, %d G", result.getText(), result.getGeneration())); return result; } /** * Adds or updates a cell tower. * <p> * If the cell tower is already in the list, its data is updated; if not, a * new entry is created. * <p> * This method will set the cell's identity data, its signal strength and * whether it is the currently serving cell. * @return The new or updated entry. */ @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1) public CellTowerLte update(CellInfoLte cell) { if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) return null; CellIdentityLte cid = cell.getCellIdentity(); CellTowerLte result = this.get(cid.getMcc(), cid.getMnc(), cid.getTac(), cid.getCi()); if (result == null) result = this.get(cid.getPci()); if (result == null) result = new CellTowerLte(cid.getMcc(), cid.getMnc(), cid.getTac(), cid.getCi(), cid.getPci()); if (result.getMcc() == CellTower.UNKNOWN) result.setMcc(cid.getMcc()); if (result.getMnc() == CellTower.UNKNOWN) result.setMnc(cid.getMnc()); if (result.getTac() == CellTower.UNKNOWN) result.setTac(cid.getTac()); if (result.getCi() == CellTower.UNKNOWN) result.setCi(cid.getCi()); if (result.getPci() == CellTower.UNKNOWN) result.setPci(cid.getPci()); this.put(result.getText(), result); this.put(result.getAltText(), result); result.setCellInfo(true); result.setDbm(cell.getCellSignalStrength().getDbm()); result.setServing(cell.isRegistered()); Log.d(this.getClass().getSimpleName(), String.format("Added CellInfoLte for %s, %d G", result.getText(), result.getGeneration())); return result; } /** * Adds or updates a list of cell towers. * <p> * This method first calls {@link #removeSource(int)} with * {@link com.vonglasow.michael.satstat.data.CellTower#SOURCE_CELL_INFO} as * its argument. Then it iterates through all entries in {@code cells} and * updates each entry that is of type {@link android.telephony.CellInfoLte} * by calling {@link #update(CellInfoLte)}, passing that entry as the * argument. */ @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1) public void updateAll(List<CellInfo> cells) { if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) return; this.removeSource(CellTower.SOURCE_CELL_INFO); if (cells == null) return; for (CellInfo cell : cells) if (cell instanceof CellInfoLte) this.update((CellInfoLte) cell); } /** * Adds or updates a list of cell towers. * <p> * This method first calls {@link #removeSource(int)} with * {@link com.vonglasow.michael.satstat.data.CellTower#SOURCE_NEIGHBORING_CELL_INFO} * as its argument. Then it iterates through all entries in {@code cells} * and updates each entry by calling {@link #update(NeighboringCellInfo)}, * passing that entry as the argument. */ public void updateAll(String networkOperator, List<NeighboringCellInfo> cells) { this.removeSource(CellTower.SOURCE_NEIGHBORING_CELL_INFO); if (cells != null) for (NeighboringCellInfo cell : cells) this.update(networkOperator, cell); } }