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
|
package com.google.android.DemoKit;
import com.google.android.DemoKit.Slider.SliderPositionListener;
import android.content.res.Resources;
import android.graphics.drawable.Drawable;
import android.text.SpannableStringBuilder;
import android.text.style.RelativeSizeSpan;
import android.text.style.SubscriptSpan;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.TextView;
public class ColorLEDController {
private int mLEDNumber;
private Drawable mGreen;
private Drawable mRed;
private Drawable mBlue;
private DemoKitActivity mActivity;
class LedValueUpdater implements Slider.SliderPositionListener {
private TextView mTarget;
private final byte mCommandTarget;
LedValueUpdater(TextView target, int colorIndex) {
mTarget = target;
mCommandTarget = (byte) ((mLEDNumber - 1) * 3 + colorIndex);
}
public void onPositionChange(double value) {
int v = (int) (255 * value);
mTarget.setText(String.valueOf(v));
if (mActivity != null) {
mActivity.sendCommand(DemoKitActivity.LED_SERVO_COMMAND,
mCommandTarget, (byte) v);
}
}
}
class LabelClickListener implements OnClickListener {
final private double mValue;
private final Slider mSlider;
public LabelClickListener(Slider slider, double value) {
mSlider = slider;
mValue = value;
}
public void onClick(View v) {
mSlider.setPosition(mValue);
}
}
public ColorLEDController(DemoKitActivity activity, int number,
Resources res, boolean vertical) {
mActivity = activity;
mLEDNumber = number;
if (vertical) {
mRed = res.getDrawable(R.drawable.scrubber_vertical_red_holo_dark);
mGreen = res
.getDrawable(R.drawable.scrubber_vertical_green_holo_dark);
mBlue = res
.getDrawable(R.drawable.scrubber_vertical_blue_holo_dark);
} else {
mRed = res
.getDrawable(R.drawable.scrubber_horizontal_red_holo_dark);
mGreen = res
.getDrawable(R.drawable.scrubber_horizontal_green_holo_dark);
mBlue = res
.getDrawable(R.drawable.scrubber_horizontal_blue_holo_dark);
}
}
public void attachToView(ViewGroup targetView) {
for (int i = 0; i < 3; ++i) {
ViewGroup g = (ViewGroup) targetView.getChildAt(i);
TextView label = (TextView) g.getChildAt(0);
Slider slider = (Slider) g.getChildAt(1);
TextView valueText = (TextView) g.getChildAt(2);
SliderPositionListener positionListener = new LedValueUpdater(
valueText, i);
slider.setPositionListener(positionListener);
LabelClickListener leftLabelListener = new LabelClickListener(
slider, 0);
label.setOnClickListener(leftLabelListener);
LabelClickListener rightLabelListener = new LabelClickListener(
slider, 1);
valueText.setOnClickListener(rightLabelListener);
valueText.setText("0");
if (i == 0) {
String labelText = "Led";
SpannableStringBuilder ssb = new SpannableStringBuilder(
labelText);
ssb.append(String.valueOf(mLEDNumber));
int spanStart = labelText.length();
int spanEnd = spanStart + 1;
ssb.setSpan(new SubscriptSpan(), spanStart, spanEnd, 0);
ssb.setSpan(new RelativeSizeSpan(0.7f), spanStart, spanEnd, 0);
label.setText(ssb);
slider.setSliderBackground(mRed);
} else {
label.setText("");
if (i == 1) {
slider.setSliderBackground(mGreen);
} else {
slider.setSliderBackground(mBlue);
}
}
}
}
}
|
