Android Open Source - android-utils Device Status Utils

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Apache License
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Java Source Code

/**
 * Copyright 2014 Zhenguo Jin (jinzhenguo1990@gmail.com)
 *//www  .j av a  2s  . c  o m
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.worthed.util;

import android.annotation.TargetApi;
import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.content.Context;
import android.content.Intent;
import android.os.Build;
import android.provider.Settings;
import android.view.Window;
import android.view.WindowManager;

/**
 * ???????? ????????????????????????????????
 * 
 * @author zhenguo
 */
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
public class DeviceStatusUtils {

  /**
   * ??????????????????????WRITE_SETTINGS?????
   * 
   * @param context
   *            ???
   * @return System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC????System.
   *         SCREEN_BRIGHTNESS_MODE_AUTOMATIC
   *         ???????System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC
   */
  public static int getScreenBrightnessModeState(Context context) {
    return Settings.System.getInt(context.getContentResolver(),
        Settings.System.SCREEN_BRIGHTNESS_MODE,
        Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC);
  }

  /**
   * ???????????????????????WRITE_SETTINGS?????
   * 
   * @param context
   *            ???
   * @return true????false???????true
   */
  public static boolean isScreenBrightnessModeAuto(Context context) {
    return getScreenBrightnessModeState(context) == Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC ? true
        : false;
  }

  /**
   * ????????????????WRITE_SETTINGS?????
   * 
   * @param context
   *            ???
   * @param auto
   *            ??
   * @return ?????????
   */
  public static boolean setScreenBrightnessMode(Context context, boolean auto) {
    boolean result = true;
    if (isScreenBrightnessModeAuto(context) != auto) {
      result = Settings.System.putInt(context.getContentResolver(),
          Settings.System.SCREEN_BRIGHTNESS_MODE,
          auto ? Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC
              : Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL);
    }
    return result;
  }

  /**
   * ????????????WRITE_SETTINGS?????
   * 
   * @param context
   *            ???
   * @return ??????0-255???255
   */
  public static int getScreenBrightness(Context context) {
    return Settings.System.getInt(context.getContentResolver(),
        Settings.System.SCREEN_BRIGHTNESS, 255);
  }

  /**
   * ???????????????????????????????????????????????setWindowBrightness()?????????????
   * ???WRITE_SETTINGS?????
   * 
   * @param context
   *            ???
   * @param screenBrightness
   *            ??????0-255
   * @return ?????????
   */
  public static boolean setScreenBrightness(Context context,
      int screenBrightness) {
    int brightness = screenBrightness;
    if (screenBrightness < 1) {
      brightness = 1;
    } else if (screenBrightness > 255) {
      brightness = screenBrightness % 255;
      if (brightness == 0) {
        brightness = 255;
      }
    }
    boolean result = Settings.System.putInt(context.getContentResolver(),
        Settings.System.SCREEN_BRIGHTNESS, brightness);
    return result;
  }

  /**
   * ????Activity??????????????????????????????????
   * 
   * @param activity
   *            ?????Activity????????????
   * @param screenBrightness
   *            ??????0-255
   */
  public static void setWindowBrightness(Activity activity,
      float screenBrightness) {
    float brightness = screenBrightness;
    if (screenBrightness < 1) {
      brightness = 1;
    } else if (screenBrightness > 255) {
      brightness = screenBrightness % 255;
      if (brightness == 0) {
        brightness = 255;
      }
    }
    Window window = activity.getWindow();
    WindowManager.LayoutParams localLayoutParams = window.getAttributes();
    localLayoutParams.screenBrightness = (float) brightness / 255;
    window.setAttributes(localLayoutParams);
  }

  /**
   * ?????????????????????WRITE_SETTINGS?????
   * 
   * @param activity
   *            ?????Activity????????????
   * @param screenBrightness
   *            ??????0-255
   * @return ?????????
   */
  public static boolean setScreenBrightnessAndApply(Activity activity,
      int screenBrightness) {
    boolean result = true;
    result = setScreenBrightness(activity, screenBrightness);
    if (result) {
      setWindowBrightness(activity, screenBrightness);
    }
    return result;
  }

  /**
   * ???????????????WRITE_SETTINGS?????
   * 
   * @param context
   *            ???
   * @return ??????????????????30000
   */
  public static int getScreenDormantTime(Context context) {
    return Settings.System.getInt(context.getContentResolver(),
        Settings.System.SCREEN_OFF_TIMEOUT, 30000);
  }

  /**
   * ?????????????WRITE_SETTINGS?????
   * 
   * @param context
   *            ???
   * @return ?????????
   */
  public static boolean setScreenDormantTime(Context context, int millis) {
    return Settings.System.putInt(context.getContentResolver(),
        Settings.System.SCREEN_OFF_TIMEOUT, millis);
  }

  /**
   * ?????????????????WRITE_APN_SETTINGS?????
   * 
   * @param context
   *            ???
   * @return 1????0?????????
   */
  @SuppressWarnings("deprecation")
  public static int getAirplaneModeState(Context context) {
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) {
      return Settings.System.getInt(context.getContentResolver(),
          Settings.System.AIRPLANE_MODE_ON, 0);
    } else {
      return Settings.Global.getInt(context.getContentResolver(),
          Settings.Global.AIRPLANE_MODE_ON, 0);
    }
  }

  /**
   * ?????????????????WRITE_APN_SETTINGS?????
   * 
   * @param context
   *            ???
   * @return true????false????????
   */
  public static boolean isAirplaneModeOpen(Context context) {
    return getAirplaneModeState(context) == 1 ? true : false;
  }

  /**
   * ???????????????WRITE_APN_SETTINGS?????
   * 
   * @param context
   *            ???
   * @param enable
   *            ?????????
   * @return ?????????
   */
  @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1) @SuppressWarnings("deprecation")
  public static boolean setAirplaneMode(Context context, boolean enable) {
    boolean result = true;
    // ???????????????????????????
    if (isAirplaneModeOpen(context) != enable) {
      if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) {
        result = Settings.System.putInt(context.getContentResolver(),
            Settings.System.AIRPLANE_MODE_ON, enable ? 1 : 0);
      } else {
        result = Settings.Global.putInt(context.getContentResolver(),
            Settings.Global.AIRPLANE_MODE_ON, enable ? 1 : 0);
      }
      // ???????????????????
      context.sendBroadcast(new Intent(
          Intent.ACTION_AIRPLANE_MODE_CHANGED));
    }
    return result;
  }

  /**
   * ???????????
   * 
   * @return ?????BluetoothAdapter???????????STATE_OFF, STATE_TURNING_OFF,
   *         STATE_ON, STATE_TURNING_ON
   * @throws Exception
   *             ?????????
   */
  public static int getBluetoothState() throws Exception {
    BluetoothAdapter bluetoothAdapter = BluetoothAdapter
        .getDefaultAdapter();
    if (bluetoothAdapter == null) {
      throw new Exception("bluetooth device not found!");
    } else {
      return bluetoothAdapter.getState();
    }
  }

  /**
   * ???????????
   * 
   * @return true?????????????false????????????
   * @throws DeviceNotFoundException
   *             ?????????
   */
  public static boolean isBluetoothOpen() throws Exception {
    int bluetoothStateCode = getBluetoothState();
    return bluetoothStateCode == BluetoothAdapter.STATE_ON
        || bluetoothStateCode == BluetoothAdapter.STATE_TURNING_ON ? true
        : false;
  }

  /**
   * ????????
   * 
   * @param enable
   *            ??
   * @throws DeviceNotFoundException
   *             ?????????
   */
  public static void setBluetooth(boolean enable) throws Exception {
    // ?????????????????????????
    if (isBluetoothOpen() != enable) {
      // ?????????????????
      if (enable) {
        BluetoothAdapter.getDefaultAdapter().enable();
      } else {
        BluetoothAdapter.getDefaultAdapter().disable();
      }
    }
  }

  /**
   * ?????????????WRITE_APN_SETTINGS?????
   * 
   * @param context
   *            ???
   * @return ?????????????0-15???0
   */
  public static int getMediaVolume(Context context) {
    return Settings.System.getInt(context.getContentResolver(),
        Settings.System.VOLUME_MUSIC, 0);
  }

  /**
   * ?????????????WRITE_APN_SETTINGS?????
   * 
   * @param context
   *            ???
   * @return ?????????????0-15
   */
  public static boolean setMediaVolume(Context context, int mediaVloume) {
    if (mediaVloume < 0) {
      mediaVloume = 0;
    } else if (mediaVloume > 15) {
      mediaVloume = mediaVloume % 15;
      if (mediaVloume == 0) {
        mediaVloume = 15;
      }
    }
    return Settings.System.putInt(context.getContentResolver(),
        Settings.System.VOLUME_MUSIC, mediaVloume);
  }

  /**
   * ?????????????WRITE_APN_SETTINGS?????
   * 
   * @param context
   *            ???
   * @return ?????????????0-7????0
   */
  public static int getRingVolume(Context context) {
    return Settings.System.getInt(context.getContentResolver(),
        Settings.System.VOLUME_RING, 0);
  }

  /**
   * ?????????
   * 
   * @param context
   *            ???
   * @return ?????????????0-7
   */
  public static boolean setRingVolume(Context context, int ringVloume) {
    if (ringVloume < 0) {
      ringVloume = 0;
    } else if (ringVloume > 7) {
      ringVloume = ringVloume % 7;
      if (ringVloume == 0) {
        ringVloume = 7;
      }
    }
    return Settings.System.putInt(context.getContentResolver(),
        Settings.System.VOLUME_MUSIC, ringVloume);
  }

  // /**
  // * ????????
  // */
  // public static class DeviceNotFoundException extends Exception{
  // private static final long serialVersionUID = 1L;
  //
  // public DeviceNotFoundException(){}
  //
  // public DeviceNotFoundException(String message){
  // super(message);
  // }
  // }

}
Java Source Code List
