Android system tool class details

public class systemUtil {

  //Hide the virtual keybar at the bottom of the ipad  @RequiresApi(api = Build.VERSION_CODES.KITKAT)
  public static void closeBottomBar(Activity activity){
    Window _window = ();
     params = _window.getAttributes();
     =
        View.SYSTEM_UI_FLAG_HIDE_NAVIGATION|View.SYSTEM_UI_FLAG_IMMERSIVE;
    _window.setAttributes(params);
  }

  //The soft keyboard does not pop up automatically  public static void softInputMode(Activity activity){
    ().setSoftInputMode(
        .SOFT_INPUT_ADJUST_RESIZE |
        .SOFT_INPUT_STATE_HIDDEN);
  }

  //Keep the screen on  public static void screenLightUp(Activity activity){
    ().addFlags(.FLAG_KEEP_SCREEN_ON);
  }

  //Get screen resolution  public static int[] defaultDisplay(Activity activity){
    int[] pixels = new int[2];
    DisplayMetrics dm = new DisplayMetrics();
    ().getDefaultDisplay().getMetrics(dm);
    pixels[0]=;
    pixels[1]=;
    return pixels;
  }

  //Get the Android system version  public static String getSystemVersion() {
    return ;
  }

  //Get the device model  public static String getSystemModel() {
    return ;
  }

  //Get the IMEI identification number  //Required permissions <uses-permission android:name=".READ_PHONE_STATE" />  @SuppressLint("MissingPermission")
  public static String getIMEI(Activity activity) {
    // Dynamic permissions added to the system above 6.0    if ((activity,
        .READ_PHONE_STATE) != PackageManager.PERMISSION_GRANTED) {
      (activity,
        new String[]{.READ_PHONE_STATE},1);
    }
    TelephonyManager tm =
        (TelephonyManager) (Activity.TELEPHONY_SERVICE);
    return ();
  }

  //Get the current language of the system  public static String getSystemLanguage() {
    return ().getLanguage();
  }

  //Get the power of the equipment  @TargetApi(Build.VERSION_CODES.LOLLIPOP)
  public static int getBattery(Context context){
    BatteryManager batteryManager =
        (BatteryManager)(BATTERY_SERVICE);
    return (BatteryManager.BATTERY_PROPERTY_CAPACITY);
  }

  //Get the available size of device memory (GB)  public static String getRomAvailableSize(Context context) {
    File path = ();
    StatFs stat = new StatFs(());
    long blockSize = ();
    long availableBlocks = ();
    return (context, blockSize * availableBlocks);
  }

  //Get the total amount of available device memory (GB)  public static String getRomTotalSize(Context context) {
    File path = ();
    StatFs stat = new StatFs(());
    long blockSize = ();
    long totalBlocks = ();
    return (context, blockSize * totalBlocks);
  }

  //Get the total available size of the SD card  public static String getSDTotalSize(Context context) {
    File path = ();
    StatFs stat = new StatFs(());
    long blockSize = ();
    long totalBlocks = ();
    return (context, blockSize * totalBlocks);
  }

  //Get the available size of the SD card  private String getSDAvailableSize(Context context) {
    File path = ();
    StatFs stat = new StatFs(());
    long blockSize = ();
    long availableBlocks = ();
    return (context, blockSize * availableBlocks);
   }

  //Restart the device  private void restartDevices() {
    String cmd = "su -c reboot";
    try {
      ().exec(cmd);
    } catch (IOException e) {
      ("restart","Insufficient permissions");
    }
  }
}

//Write to external storage.WRITE_EXTERNAL_STORAGE，Allow writing to external storage

//Read external storage.READ_EXTERNAL_STORAGE，Allows reading of external storage

//Read the system log.READ_LOGS，Read the system's underlying log

//Read the text message content.READ_SMS，Read text message content

//vibration，Vibration allowed

//Restart the device，Allow the program to restart the device

//Installing the application.INSTALL_PACKAGES，Allow the program to install the application

//Modify the sound.MODIFY_AUDIO_SETTINGS，Modify sound settings information

//recording.RECORD_AUDIO，Record sound through a cell phone or headset with a microphone

//Use flash，Allow access to flash

//Access the network，Access to the network connection，PossibleGPRSflow

//Change wifi status.CHANGE_WIFI_STATE，Openwifi，Changewifistate

//Get WiFi status.ACCESS_WIFI_STATE，Get the current oneWiFi接入的state以及WLANHot information

//Get network status.ACCESS_NETWORK_STATE，获取网络信息state，If the current network connection is valid

//Photo permission，Allow access to the camera for taking photos

//Use Bluetooth，Allow the program to connect to paired Bluetooth devices

//Battery status.BATTERY_STATS，允许应用程序获取电池state的权限