1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
/*
* Copyright (C) 2012 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 com.android.keyguard;
import android.content.Context;
import android.content.res.TypedArray;
import android.text.SpannableStringBuilder;
import android.text.style.TextAppearanceSpan;
import android.util.AttributeSet;
import android.view.HapticFeedbackConstants;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import com.android.internal.widget.LockPatternUtils;
public class NumPadKey extends Button {
// list of "ABC", etc per digit, starting with '0'
static String sKlondike[];
int mDigit = -1;
int mTextViewResId;
TextView mTextView = null;
boolean mEnableHaptics;
private View.OnClickListener mListener = new View.OnClickListener() {
@Override
public void onClick(View thisView) {
if (mTextView == null) {
if (mTextViewResId > 0) {
final View v = NumPadKey.this.getRootView().findViewById(mTextViewResId);
if (v != null && v instanceof TextView) {
mTextView = (TextView) v;
}
}
}
// check for time-based lockouts
if (mTextView != null && mTextView.isEnabled()) {
mTextView.append(String.valueOf(mDigit));
}
doHapticKeyClick();
}
};
public NumPadKey(Context context) {
this(context, null);
}
public NumPadKey(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public NumPadKey(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.NumPadKey);
mDigit = a.getInt(R.styleable.NumPadKey_digit, mDigit);
setTextViewResId(a.getResourceId(R.styleable.NumPadKey_textView, 0));
setOnClickListener(mListener);
setOnHoverListener(new LiftToActivateListener(context));
setAccessibilityDelegate(new ObscureSpeechDelegate(context));
mEnableHaptics = new LockPatternUtils(context).isTactileFeedbackEnabled();
SpannableStringBuilder builder = new SpannableStringBuilder();
builder.append(String.valueOf(mDigit));
if (mDigit >= 0) {
if (sKlondike == null) {
sKlondike = context.getResources().getStringArray(
R.array.lockscreen_num_pad_klondike);
}
if (sKlondike != null && sKlondike.length > mDigit) {
final String extra = sKlondike[mDigit];
final int extraLen = extra.length();
if (extraLen > 0) {
builder.append(" ");
builder.append(extra);
builder.setSpan(
new TextAppearanceSpan(context, R.style.TextAppearance_NumPadKey_Klondike),
builder.length()-extraLen, builder.length(), 0);
}
}
}
setText(builder);
}
@Override
public void onDetachedFromWindow() {
super.onDetachedFromWindow();
// Reset the "announced headset" flag when detached.
ObscureSpeechDelegate.sAnnouncedHeadset = false;
}
public void setTextView(TextView tv) {
mTextView = tv;
}
public void setTextViewResId(int resId) {
mTextView = null;
mTextViewResId = resId;
}
// Cause a VIRTUAL_KEY vibration
public void doHapticKeyClick() {
if (mEnableHaptics) {
performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY,
HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING
| HapticFeedbackConstants.FLAG_IGNORE_GLOBAL_SETTING);
}
}
}
|
