1 package com.android.storagemanager.automatic; 2 3 import android.content.Context; 4 import android.net.ConnectivityManager; 5 import android.net.Network; 6 import android.net.NetworkInfo; 7 import android.os.BatteryManager; 8 import android.os.PowerManager; 9 import android.provider.Settings; 10 11 /** 12 * Utility class to check the status of some preconditions that are used by 13 * {@link DownloadsBackupJobService} and {@link AutomaticStorageManagementJobService}. 14 */ 15 public class JobPreconditions { 16 17 public static boolean isNetworkMetered(Context context) { 18 ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService( 19 Context.CONNECTIVITY_SERVICE); 20 if (connectivityManager != null) { 21 return connectivityManager.isActiveNetworkMetered(); 22 } 23 return true; 24 } 25 26 public static boolean isWifiConnected(Context context) { 27 ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService( 28 Context.CONNECTIVITY_SERVICE); 29 if (connectivityManager != null) { 30 for (Network network : connectivityManager.getAllNetworks()) { 31 NetworkInfo networkInfo = connectivityManager.getNetworkInfo(network); 32 if (networkInfo.getType() == ConnectivityManager.TYPE_WIFI 33 && networkInfo.isConnected()) { 34 return true; 35 } 36 } 37 } 38 39 return false; 40 } 41 42 public static boolean isCharging(Context context) { 43 BatteryManager batteryManager = (BatteryManager) context.getSystemService( 44 Context.BATTERY_SERVICE); 45 if (batteryManager != null) { 46 return batteryManager.isCharging(); 47 } 48 return false; 49 } 50 51 public static boolean isIdle(Context context) { 52 PowerManager powerManager = (PowerManager) context.getSystemService(Context.POWER_SERVICE); 53 if (powerManager != null) { 54 return powerManager.isDeviceIdleMode(); 55 } 56 return false; 57 } 58 59 } 60
