Android Open Source - MrParkingNavigator Device Info Helper

• Back to Mail/mail  ↑

From Project

Back to project page MrParkingNavigator.

License

The source code is released under:

MIT License

Java Source Code

/*
Copyright (c) 2011, Sony Ericsson Mobile Communications AB
//from  w ww .j  a  v  a2  s. c  o m
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

 * Redistributions of source code must retain the above copyright notice, this
  list of conditions and the following disclaimer.

 * Redistributions in binary form must reproduce the above copyright notice,
  this list of conditions and the following disclaimer in the documentation
  and/or other materials provided with the distribution.

 * Neither the name of the Sony Ericsson Mobile Communications AB nor the names
  of its contributors may be used to endorse or promote products derived from
  this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package com.sonyericsson.extras.liveware.extension.util.registration;

import com.sonyericsson.extras.liveware.aef.notification.Notification;
import com.sonyericsson.extras.liveware.aef.registration.Registration;
import com.sonyericsson.extras.liveware.extension.util.Dbg;
import com.sonyericsson.extras.liveware.extension.util.R;
import com.sonyericsson.extras.liveware.extension.util.sensor.AccessorySensor;

import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.SQLException;
import android.text.TextUtils;

/**
 * This class contains information about the watch
 */
public class DeviceInfoHelper {
  private static final int SMARTWATCH_2_API_LEVEL = 2;

  /**
   * Checks host app API level and screen size to check if SmartWatch 2 is
   * supported.
   *
   * @param context The context.
   * @return true if SmartWatch is supported.
   */
  public static boolean isSmartWatch2ApiAndScreenDetected(Context context,
                                                          String hostAppPackageName) {
    HostApplicationInfo hostApp = getHostApp(context, hostAppPackageName);
    if (hostApp == null) {
      Dbg.d("Host app was null, returning");
      return false;
    }
    // Get screen dimensions, unscaled
    final int controlSWWidth = getSmartWatch2Width(context);
    final int controlSWHeight = getSmartWatch2Height(context);

    if (hostApp.getControlApiVersion() >= SMARTWATCH_2_API_LEVEL) {
      for (DeviceInfo device : RegistrationAdapter.getHostApplication(context,
                                                                      hostAppPackageName).getDevices()) {
        for (DisplayInfo display : device.getDisplays()) {
          if (display.sizeEquals(controlSWWidth, controlSWHeight)) {
            return true;
          }
        }
      }
    } else {
      Dbg.d("Host had control API version: " + hostApp.getControlApiVersion() + ", returning");
    }
    return false;
  }

  /**
   * Checks if host application supports a specific sensor.
   *
   * @param context            The context.
   * @param hostAppPackageName The package name of the host application
   * @param sensorType         The sensor type
   * @return true if the host application supports the sensor
   */
  public static boolean isSensorSupported(Context context, String hostAppPackageName,
                                          String sensorType) {
    boolean sensorSupported = false;

    HostApplicationInfo hostApp = getHostApp(context, hostAppPackageName);
    if (hostApp == null) {
      Dbg.d("Host app was null, bailing.");
    } else if (hostApp.getSensorApiVersion() > 0) {
      for (DeviceInfo device : hostApp.getDevices()) {
        for (AccessorySensor sensor : device.getSensors()) {
          if (TextUtils.equals(sensor.getType().getName(), sensorType)) {
            sensorSupported = true;
            break;
          }
        }
      }
    }

    return sensorSupported;
  }

  /**
   * Gets the first connected host app
   *
   * @return host app or null if no host app found
   */
  private static HostApplicationInfo getHostApp(Context context, String hostAppPackageName) {
    return RegistrationAdapter.getHostApplication(context, hostAppPackageName);
  }

  /**
   * Get SmartWatch 2 screen width.
   *
   * @param context The context.
   * @return width.
   */
  private static int getSmartWatch2Width(Context context) {
    return context.getResources().getDimensionPixelSize(R.dimen.smart_watch_2_control_width);
  }

  /**
   * Get SmartWatch 2 screen height.
   *
   * @param context The context.
   * @return height.
   */
  private static int getSmartWatch2Height(Context context) {
    return context.getResources().getDimensionPixelSize(R.dimen.smart_watch_2_control_height);
  }

  /**
   * Array of API keys that are in API 2 but not 1.
   */
  private static String[] API_2_KEYS = {
    Notification.SourceColumns.ACTION_ICON_1,
    Notification.SourceColumns.ACTION_ICON_2,
    Notification.SourceColumns.ACTION_ICON_3,
    Notification.SourceColumns.COLOR,
    Notification.SourceColumns.SUPPORTS_REFRESH,

    Notification.SourceEventColumns.ACTION_ICON_1,
    Notification.SourceEventColumns.ACTION_ICON_2,
    Notification.SourceEventColumns.ACTION_ICON_3,
    Notification.SourceEventColumns.COLOR,

    Registration.ApiRegistrationColumns.CONTROL_BACK_INTERCEPT,
    Registration.ApiRegistrationColumns.LOW_POWER_SUPPORT,

    Registration.ExtensionColumns.EXTENSION_48PX_ICON_URI,
    Registration.ExtensionColumns.LAUNCH_MODE
  };

  private static int smartConnectLevel = -1;

  /**
   * Iterates through ContentValues and removes values that are not available
   * for the given SmartConnect version, regardless of which table the value
   * is in. Current implementation only supports API levels 1 and 2. May not
   * be complete.
   *
   * @param apiLevel The version of the current API level, contentvalues not
   *                 supported in this API level will be removed
   * @param values   the ContentValues to be scanned for unsafe values
   */
  static int removeUnsafeValues(Context context, int apiLevel, ContentValues values) {
    int removedValues = 0;

    if (apiLevel < 2) {
      for (String key : API_2_KEYS) {
        if (values.containsKey(key)) {
          values.remove(key);
          Dbg.d("Removing " + key + " key from contentvalues");
          removedValues++;
        }
      }
    }
    Dbg.e("Removed " + removedValues + " values from contentvalues");
    return removedValues;
  }

  /**
   * Removes contentvalues that don't match the current SmartConnect version.
   * NOTE: This method can not be called before extension is registered
   *
   * @see DeviceInfoHelper#removeUnsafeValues(Context, int, ContentValues)
   */
  public static int removeUnsafeValues(Context context, ContentValues values) {

    if (smartConnectLevel == -1) {
      smartConnectLevel = getSmartConnectVersion(context);
    }
    return removeUnsafeValues(context, smartConnectLevel, values);
  }

  /**
   * Gets the SmartConnect version. There's no explicit versioning in
   * SmartConnect, and generally it's not required. This method infers the
   * version based on database columns.
   *
   * @param context The context.
   * @return The inferred SmartConnect version
   */
  private static int getSmartConnectVersion(final Context context) {
    Cursor cursor = null;
    try {
      cursor = context.
                        getContentResolver().query(Registration.Extension.URI,
                                                   null, null, null, null);
      if (cursor != null && cursor.moveToFirst()) {

        // The EXTENSION_48PX_ICON_URI colnum was added in HostApp api
        // level 2. Since
        // this colnum exists we know we can safely add other colnums
        // from this API level
        int lowPowerColnum = cursor.getColumnIndex(
          Registration.ExtensionColumns.EXTENSION_48PX_ICON_URI);
        if (lowPowerColnum != -1) {
          Dbg.d("SmartConnect version 2 or higher detected");
          return 2;
        } else {
          Dbg.d("SmartConnect version 1 detected");
          return 1;
        }
      }
    } catch (SQLException e) {
      if (Dbg.DEBUG) {
        Dbg.w("Failed to query host application", e);
      }
    } catch (SecurityException e) {
      if (Dbg.DEBUG) {
        Dbg.w("Failed to query host application", e);
      }
    } catch (IllegalArgumentException e) {
      if (Dbg.DEBUG) {
        Dbg.w("Failed to query host application", e);
      }
    } finally {
      if (cursor != null) {
        cursor.close();
      }
    }
    return 1;
  }
}

Java Source Code List

• Back to Mail/mail  ↑