Android example source code file (BatteryManager.java)

This example Android source code file (BatteryManager.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

battery_health_dead, battery_health_good, battery_health_over_voltage, battery_health_overheat, battery_plugged_usb, battery_status_discharging, batterymanager, extra_health, extra_level, extra_present, extra_scale, extra_temperature, extra_voltage, string

The BatteryManager.java Android example source code

/*
 * Copyright (C) 2008 The Android Open Source Project
 *
 * 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 android.os;

/**
 * The BatteryManager class contains strings and constants used for values
 * in the {@link android.content.Intent#ACTION_BATTERY_CHANGED} Intent.
 */
public class BatteryManager {
    /**
     * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
     * integer containing the current status constant.
     */
    public static final String EXTRA_STATUS = "status";
    
    /**
     * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
     * integer containing the current health constant.
     */
    public static final String EXTRA_HEALTH = "health";
    
    /**
     * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
     * boolean indicating whether a battery is present.
     */
    public static final String EXTRA_PRESENT = "present";
    
    /**
     * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
     * integer field containing the current battery level, from 0 to
     * {@link #EXTRA_SCALE}.
     */
    public static final String EXTRA_LEVEL = "level";
    
    /**
     * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
     * integer containing the maximum battery level.
     */
    public static final String EXTRA_SCALE = "scale";
    
    /**
     * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
     * integer containing the resource ID of a small status bar icon
     * indicating the current battery state.
     */
    public static final String EXTRA_ICON_SMALL = "icon-small";
    
    /**
     * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
     * integer indicating whether the device is plugged in to a power
     * source; 0 means it is on battery, other constants are different
     * types of power sources.
     */
    public static final String EXTRA_PLUGGED = "plugged";
    
    /**
     * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
     * integer containing the current battery voltage level.
     */
    public static final String EXTRA_VOLTAGE = "voltage";
    
    /**
     * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
     * integer containing the current battery temperature.
     */
    public static final String EXTRA_TEMPERATURE = "temperature";
    
    /**
     * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
     * String describing the technology of the current battery.
     */
    public static final String EXTRA_TECHNOLOGY = "technology";
    
    // values for "status" field in the ACTION_BATTERY_CHANGED Intent
    public static final int BATTERY_STATUS_UNKNOWN = 1;
    public static final int BATTERY_STATUS_CHARGING = 2;
    public static final int BATTERY_STATUS_DISCHARGING = 3;
    public static final int BATTERY_STATUS_NOT_CHARGING = 4;
    public static final int BATTERY_STATUS_FULL = 5;

    // values for "health" field in the ACTION_BATTERY_CHANGED Intent
    public static final int BATTERY_HEALTH_UNKNOWN = 1;
    public static final int BATTERY_HEALTH_GOOD = 2;
    public static final int BATTERY_HEALTH_OVERHEAT = 3;
    public static final int BATTERY_HEALTH_DEAD = 4;
    public static final int BATTERY_HEALTH_OVER_VOLTAGE = 5;
    public static final int BATTERY_HEALTH_UNSPECIFIED_FAILURE = 6;

    // values of the "plugged" field in the ACTION_BATTERY_CHANGED intent.
    // These must be powers of 2.
    /** Power source is an AC charger. */
    public static final int BATTERY_PLUGGED_AC = 1;
    /** Power source is a USB port. */
    public static final int BATTERY_PLUGGED_USB = 2;
}