CellSignalStrength.java revision 6090995951c6e2e4dcf38102f01793f8a94166e1 
1/*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.telephony;
18
19/**
20 * Abstract base class for cell phone signal strength related information.
21 */
22public abstract class CellSignalStrength {
23
24    /** @hide */
25    public static final int SIGNAL_STRENGTH_NONE_OR_UNKNOWN = 0;
26    /** @hide */
27    public static final int SIGNAL_STRENGTH_POOR = 1;
28    /** @hide */
29    public static final int SIGNAL_STRENGTH_MODERATE = 2;
30    /** @hide */
31    public static final int SIGNAL_STRENGTH_GOOD = 3;
32    /** @hide */
33    public static final int SIGNAL_STRENGTH_GREAT = 4;
34    /** @hide */
35    public static final int NUM_SIGNAL_STRENGTH_BINS = 5;
36    /** @hide */
37    public static final String[] SIGNAL_STRENGTH_NAMES = {
38        "none", "poor", "moderate", "good", "great"
39    };
40
41    /** @hide */
42    protected CellSignalStrength() {
43    }
44
45    /** @hide */
46    public abstract void setDefaultValues();
47
48    /**
49     * Get signal level as an int from 0..4
50     */
51    public abstract int getLevel();
52
53    /**
54     * Get the signal level as an asu value between 0..31, 99 is unknown
55     */
56    public abstract int getAsuLevel();
57
58    /**
59     * Get the signal strength as dBm
60     */
61    public abstract int getDbm();
62
63    /**
64     * Copies the CellSignalStrength.
65     *
66     * @return A deep copy of this class.
67     * @hide
68     */
69    public abstract CellSignalStrength copy();
70
71    @Override
72    public abstract int hashCode();
73
74    @Override
75    public abstract boolean equals (Object o);
76}
77