Links
Android Sites
Language
Results
Loading...
1
/*
2
* Copyright 2013 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
17
18
19
20
package com.example.android.batchstepsensor.cardstream;
21
22
import android.animation.ObjectAnimator;
23
import android.content.Context;
24
import android.view.View;
25
26
/**
27
* An abstract class which defines animators for CardStreamLinearLayout.
28
*/
29
abstract class CardStreamAnimator {
30
31
protected float mSpeedFactor = 1.f;
32
33
/**
34
* Set speed factor of animations. Higher value means longer duration & slow animation.
35
*
36
* @param speedFactor speed type 1: SLOW, 2: NORMAL, 3:FAST
37
*/
38
public void setSpeedFactor(float speedFactor) {
39
mSpeedFactor = speedFactor;
40
}
41
42
/**
43
* Define initial animation of each child which fired when a user rotate a screen.
44
*
45
* @param context
46
* @return ObjectAnimator for initial animation
47
*/
48
public abstract ObjectAnimator getInitalAnimator(Context context);
49
50
/**
51
* Define disappearing animation of a child which fired when a view is removed programmatically
52
*
53
* @param context
54
* @return ObjectAnimator for disappearing animation
55
*/
56
public abstract ObjectAnimator getDisappearingAnimator(Context context);
57
58
/**
59
* Define appearing animation of a child which fired when a view is added programmatically
60
*
61
* @param context
62
* @return ObjectAnimator for appearing animation
63
*/
64
public abstract ObjectAnimator getAppearingAnimator(Context context);
65
66
/**
67
* Define swipe-in (back to the origin position) animation of a child
68
* which fired when a view is not moved enough to be removed.
69
*
70
* @param view target view
71
* @param deltaX delta distance by x-axis
72
* @param deltaY delta distance by y-axis
73
* @return ObjectAnimator for swipe-in animation
74
*/
75
public abstract ObjectAnimator getSwipeInAnimator(View view, float deltaX, float deltaY);
76
77
/**
78
* Define swipe-out animation of a child
79
* which fired when a view is removing by a user swipe action.
80
*
81
* @param view target view
82
* @param deltaX delta distance by x-axis
83
* @param deltaY delta distance by y-axis
84
* @return ObjectAnimator for swipe-out animation
85
*/
86
public abstract ObjectAnimator getSwipeOutAnimator(View view, float deltaX, float deltaY);
87
88
/**
89
* A simple CardStreamAnimator implementation which is used to turn animations off.
90
*/
91
public static class EmptyAnimator extends CardStreamAnimator {
92
93
@Override
94
public ObjectAnimator getInitalAnimator(Context context) {
95
return null;
96
}
97
98
@Override
99
public ObjectAnimator getDisappearingAnimator(Context context) {
100
return null;
101
}
102
103
@Override
104
public ObjectAnimator getAppearingAnimator(Context context) {
105
return null;
106
}
107
108
@Override
109
public ObjectAnimator getSwipeInAnimator(View view, float deltaX, float deltaY) {
110
return null;
111
}
112
113
@Override
114
public ObjectAnimator getSwipeOutAnimator(View view, float deltaX, float deltaY) {
115
return null;
116
}
117
}
118
119
}
120