├── .gitignore
├── .idea
├── .name
├── compiler.xml
├── copyright
│ └── profiles_settings.xml
├── gradle.xml
├── misc.xml
├── modules.xml
├── runConfigurations.xml
└── vcs.xml
├── JingDongRefreshListView.iml
├── README.md
├── app
├── .gitignore
├── app.iml
├── build.gradle
├── proguard-rules.pro
└── src
│ ├── androidTest
│ └── java
│ │ └── com
│ │ └── zhangqi
│ │ └── jingdongrefreshlistview
│ │ └── ApplicationTest.java
│ └── main
│ ├── AndroidManifest.xml
│ ├── java
│ └── com
│ │ └── zhangqi
│ │ └── jingdongrefreshlistview
│ │ ├── FirstSetpView.java
│ │ ├── JingDongListView.java
│ │ ├── MainActivity.java
│ │ ├── PullToRefreshActivity.java
│ │ └── SecondStepView.java
│ └── res
│ ├── drawable
│ └── second_step_animation.xml
│ ├── layout
│ ├── activity_main.xml
│ ├── activity_pulltorefresh.xml
│ └── jingdong_item.xml
│ ├── menu
│ └── menu_main.xml
│ ├── mipmap-hdpi
│ └── ic_launcher.png
│ ├── mipmap-mdpi
│ └── ic_launcher.png
│ ├── mipmap-xhdpi
│ ├── app_refresh_goods_0.png
│ ├── app_refresh_people_0.png
│ ├── app_refresh_people_1.png
│ ├── app_refresh_people_2.png
│ ├── app_refresh_people_3.png
│ └── ic_launcher.png
│ ├── mipmap-xxhdpi
│ └── ic_launcher.png
│ ├── values-w820dp
│ └── dimens.xml
│ └── values
│ ├── dimens.xml
│ ├── strings.xml
│ └── styles.xml
├── build.gradle
├── gradle.properties
├── gradle
└── wrapper
│ ├── gradle-wrapper.jar
│ └── gradle-wrapper.properties
├── gradlew
├── gradlew.bat
└── settings.gradle
/.gitignore:
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/README.md:
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1 | # JingDongRefreshListView
2 | 仿京东商城下拉刷新
3 | 
4 |
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/app/.gitignore:
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/app/build.gradle:
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1 | apply plugin: 'com.android.application'
2 |
3 | android {
4 | compileSdkVersion 23
5 | buildToolsVersion "23.0.0"
6 |
7 | defaultConfig {
8 | applicationId "com.zhangqi.jingdongrefreshlistview"
9 | minSdkVersion 14
10 | targetSdkVersion 23
11 | versionCode 1
12 | versionName "1.0"
13 | }
14 | buildTypes {
15 | release {
16 | minifyEnabled false
17 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
18 | }
19 | }
20 | }
21 |
22 | dependencies {
23 | compile fileTree(dir: 'libs', include: ['*.jar'])
24 | compile 'com.android.support:appcompat-v7:23.0.0'
25 | }
26 |
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/app/proguard-rules.pro:
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1 | # Add project specific ProGuard rules here.
2 | # By default, the flags in this file are appended to flags specified
3 | # in /Users/zhangqi/Library/Android/sdk/tools/proguard/proguard-android.txt
4 | # You can edit the include path and order by changing the proguardFiles
5 | # directive in build.gradle.
6 | #
7 | # For more details, see
8 | # http://developer.android.com/guide/developing/tools/proguard.html
9 |
10 | # Add any project specific keep options here:
11 |
12 | # If your project uses WebView with JS, uncomment the following
13 | # and specify the fully qualified class name to the JavaScript interface
14 | # class:
15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
16 | # public *;
17 | #}
18 |
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/app/src/androidTest/java/com/zhangqi/jingdongrefreshlistview/ApplicationTest.java:
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1 | package com.zhangqi.jingdongrefreshlistview;
2 |
3 | import android.app.Application;
4 | import android.test.ApplicationTestCase;
5 |
6 | /**
7 | * Testing Fundamentals
8 | */
9 | public class ApplicationTest extends ApplicationTestCase {
10 | public ApplicationTest() {
11 | super(Application.class);
12 | }
13 | }
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/app/src/main/AndroidManifest.xml:
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/app/src/main/java/com/zhangqi/jingdongrefreshlistview/FirstSetpView.java:
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1 | package com.zhangqi.jingdongrefreshlistview;
2 |
3 | import android.content.Context;
4 | import android.graphics.Bitmap;
5 | import android.graphics.BitmapFactory;
6 | import android.graphics.Canvas;
7 | import android.graphics.Paint;
8 | import android.util.AttributeSet;
9 | import android.view.View;
10 |
11 | public class FirstSetpView extends View{
12 |
13 | private Bitmap goods;
14 | private Bitmap people;
15 | private Bitmap peopleWithGoods;
16 | private int measuredWidth;
17 | private int measuredHeight;
18 | private float mCurrentProgress;
19 | private int mCurrentAlpha;
20 | private Paint mPaint;
21 | private Bitmap scaledPeople;
22 | private Bitmap scaledGoods;
23 | public FirstSetpView(Context context, AttributeSet attrs, int defStyle) {
24 | super(context, attrs, defStyle);
25 | init();
26 | }
27 |
28 | public FirstSetpView(Context context, AttributeSet attrs) {
29 | super(context, attrs);
30 | init();
31 | }
32 |
33 | public FirstSetpView(Context context) {
34 | super(context);
35 | init();
36 | }
37 | private void init(){
38 | //包裹bitmap
39 | goods = BitmapFactory.decodeResource(getResources(), R.mipmap.app_refresh_goods_0);
40 | //快递小哥bitmap
41 | people = BitmapFactory.decodeResource(getResources(), R.mipmap.app_refresh_people_0);
42 | //这是后面动画中的最后一张图片，拿这张图片的作用是用它的宽高来测量
43 | //我们这个自定义View的宽高
44 | peopleWithGoods = BitmapFactory.decodeResource(getResources(), R.mipmap.app_refresh_people_3);
45 | //来个画笔，我们注意到快递小哥和包裹都有一个渐变效果的，我们用
46 | //mPaint.setAlpha来实现这个渐变的效果
47 | mPaint = new Paint();
48 | //首先设置为完全透明
49 | mPaint.setAlpha(0);
50 | }
51 |
52 | /**
53 | * 测量方法
54 | * @param widthMeasureSpec
55 | * @param heightMeasureSpec
56 | */
57 | @Override
58 | protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
59 | setMeasuredDimension(measureWidth(widthMeasureSpec), measureHeight(heightMeasureSpec));
60 | }
61 | //测量宽度
62 | private int measureWidth(int widthMeasureSpec){
63 | int result = 0;
64 | int size = MeasureSpec.getSize(widthMeasureSpec);
65 | int mode = MeasureSpec.getMode(widthMeasureSpec);
66 | if (MeasureSpec.EXACTLY == mode) {
67 | result = size;
68 | }else {
69 | result = peopleWithGoods.getWidth();
70 | if (MeasureSpec.AT_MOST == mode) {
71 | result = Math.min(result, size);
72 | }
73 | }
74 | return result;
75 | }
76 | //测量高度
77 | private int measureHeight(int heightMeasureSpec){
78 | int result = 0;
79 | int size = MeasureSpec.getSize(heightMeasureSpec);
80 | int mode = MeasureSpec.getMode(heightMeasureSpec);
81 | if (MeasureSpec.EXACTLY == mode) {
82 | result = size;
83 | }else {
84 | result = peopleWithGoods.getHeight();
85 | if (MeasureSpec.AT_MOST == mode) {
86 | result = Math.min(result, size);
87 | }
88 | }
89 | return result;
90 | }
91 | //在这里面拿到测量后的宽和高，w就是测量后的宽，h是测量后的高
92 | @Override
93 | protected void onSizeChanged(int w, int h, int oldw, int oldh) {
94 | super.onSizeChanged(w, h, oldw, oldh);
95 | measuredWidth = w;
96 | measuredHeight = h;
97 | //根据测量后的宽高来对快递小哥做一个缩放
98 | scaledPeople = Bitmap.createScaledBitmap(people,measuredWidth,measuredHeight,true);
99 | //根据测量后的宽高来对快递包裹做一个缩放
100 | scaledGoods = Bitmap.createScaledBitmap(goods, scaledPeople.getWidth()*10/27, scaledPeople.getHeight()/5, true);
101 | }
102 |
103 | /**
104 | * 绘制方法
105 | * @param canvas
106 | */
107 | @Override
108 | protected void onDraw(Canvas canvas) {
109 | super.onDraw(canvas);
110 | //由于包裹和快递小哥要分别来画，所以使用save和restore方法
111 | //save
112 | //画包裹
113 | //restore
114 | //save
115 | //画小哥
116 | //restore
117 | canvas.save();
118 | canvas.scale(mCurrentProgress, mCurrentProgress , measuredWidth-scaledGoods.getWidth()/2 , measuredHeight/2);
119 | mPaint.setAlpha(mCurrentAlpha);
120 | canvas.drawBitmap(scaledGoods, measuredWidth-scaledGoods.getWidth(), measuredHeight/2-scaledGoods.getHeight()/2, mPaint);
121 | canvas.restore();
122 | canvas.save();
123 | canvas.scale(mCurrentProgress, mCurrentProgress , 0 , measuredHeight/2);
124 | mPaint.setAlpha(mCurrentAlpha);
125 | canvas.drawBitmap(scaledPeople, 0,0,mPaint);
126 | canvas.restore();
127 | }
128 |
129 | /**
130 | * 根据进度来对小哥和包裹进行缩放
131 | * @param currentProgress
132 | */
133 | public void setCurrentProgress(float currentProgress){
134 | this.mCurrentProgress = currentProgress;
135 | this.mCurrentAlpha = (int) (currentProgress*255);
136 | }
137 | }
138 |
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/app/src/main/java/com/zhangqi/jingdongrefreshlistview/JingDongListView.java:
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1 | package com.zhangqi.jingdongrefreshlistview;
2 |
3 | import android.content.Context;
4 | import android.graphics.drawable.AnimationDrawable;
5 | import android.util.AttributeSet;
6 | import android.util.Log;
7 | import android.view.LayoutInflater;
8 | import android.view.MotionEvent;
9 | import android.view.View;
10 | import android.view.ViewGroup;
11 | import android.view.animation.Animation;
12 | import android.widget.AbsListView;
13 | import android.widget.FrameLayout;
14 | import android.widget.LinearLayout;
15 | import android.widget.ListView;
16 | import android.widget.TextView;
17 |
18 | import java.text.SimpleDateFormat;
19 |
20 | /**
21 | * Created by zhangqi on 15/10/18.
22 | */
23 | public class JingDongListView extends ListView implements AbsListView.OnScrollListener{
24 | private static final int DONE = 0;
25 | private static final int PULL_TO_REFRESH = 1;
26 | private static final int RELEASE_TO_REFRESH = 2;
27 | private static final int REFRESHING = 3;
28 | private static final int RATIO = 3;
29 | private LinearLayout headerView;
30 | private int headerViewHeight;
31 | private float startY;
32 | private float offsetY;
33 | private TextView tv_pull_to_refresh;
34 | private OnJingDongRefreshListener mOnRefreshListener;
35 | private int state;
36 | private int mFirstVisibleItem;
37 | private boolean isRecord;
38 | private boolean isEnd;
39 | private boolean isRefreable;
40 | private FrameLayout mAnimContainer;
41 | private Animation animation;
42 | private SimpleDateFormat format;
43 | private FirstSetpView firstSetpView;
44 | private SecondStepView secondStepView;
45 | private AnimationDrawable secondAnimation;
46 |
47 | public JingDongListView(Context context) {
48 | super(context);
49 | init(context);
50 | }
51 |
52 | public JingDongListView(Context context, AttributeSet attrs) {
53 | super(context, attrs);
54 | init(context);
55 | }
56 |
57 | public JingDongListView(Context context, AttributeSet attrs, int defStyleAttr) {
58 | super(context, attrs, defStyleAttr);
59 | init(context);
60 | }
61 |
62 | public interface OnJingDongRefreshListener{
63 | void onRefresh();
64 | }
65 | public void setOnJingDongRefreshListener(OnJingDongRefreshListener onRefreshListener){
66 | mOnRefreshListener = onRefreshListener;
67 | isRefreable = true;
68 | }
69 | public void setOnRefreshComplete(){
70 | isEnd = true;
71 | state = DONE;
72 |
73 | changeHeaderByState(state);
74 | }
75 |
76 | private void init(Context context) {
77 | setOverScrollMode(View.OVER_SCROLL_NEVER);
78 | setOnScrollListener(this);
79 |
80 | headerView = (LinearLayout) LayoutInflater.from(context).inflate(R.layout.jingdong_item, null, false);
81 | tv_pull_to_refresh = (TextView) headerView.findViewById(R.id.tv_pull_to_refresh);
82 | firstSetpView = (FirstSetpView) headerView.findViewById(R.id.first_step_view);
83 | secondStepView = (SecondStepView) headerView.findViewById(R.id.second_step_view);
84 | secondStepView.setBackgroundResource(R.drawable.second_step_animation);
85 | secondAnimation = (AnimationDrawable) secondStepView.getBackground();
86 | measureView(headerView);
87 | addHeaderView(headerView);
88 | headerViewHeight = headerView.getMeasuredHeight();
89 |
90 | headerView.setPadding(0, -headerViewHeight, 0, 0);
91 |
92 | state = DONE;
93 | isEnd = true;
94 | isRefreable = false;
95 | }
96 |
97 |
98 |
99 |
100 | @Override
101 | public void onScrollStateChanged(AbsListView absListView, int i) {
102 | }
103 | @Override
104 | public void onScroll(AbsListView absListView, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
105 | mFirstVisibleItem = firstVisibleItem;
106 | }
107 |
108 | @Override
109 | public boolean onTouchEvent(MotionEvent ev) {
110 | if (isEnd) {
111 | if (isRefreable) {
112 | switch (ev.getAction()){
113 | case MotionEvent.ACTION_DOWN:
114 | if (mFirstVisibleItem == 0 && !isRecord) {
115 | isRecord = true;
116 | startY = ev.getY();
117 | }
118 | break;
119 | case MotionEvent.ACTION_MOVE:
120 | float tempY = ev.getY();
121 | if (mFirstVisibleItem == 0 && !isRecord) {
122 | isRecord = true;
123 | startY = tempY;
124 | }
125 | if (state!=REFRESHING && isRecord ) {
126 | offsetY = tempY - startY;
127 | float currentHeight = (-headerViewHeight+offsetY/3);
128 | float currentProgress = 1+currentHeight/headerViewHeight;
129 | if (currentProgress>=1) {
130 | currentProgress = 1;
131 | }
132 | if (state == RELEASE_TO_REFRESH && isRecord) {
133 | setSelection(0);
134 | //���ϻ���pull to refresh
135 | if (-headerViewHeight+offsetY/RATIO<0) {
136 | state = PULL_TO_REFRESH;
137 | changeHeaderByState(state);
138 | }else if (offsetY<=0) {
139 | state = DONE;
140 | changeHeaderByState(state);
141 | }
142 | }
143 | if (state == PULL_TO_REFRESH && isRecord) {
144 | setSelection(0);
145 | if (-headerViewHeight+offsetY/RATIO>=0) {
146 | state = RELEASE_TO_REFRESH;
147 | changeHeaderByState(state);
148 | }else if (offsetY<=0) {
149 | state = DONE;
150 | changeHeaderByState(state);
151 | }
152 | }
153 | if (state == DONE && isRecord) {
154 | if (offsetY>=0) {
155 | state = PULL_TO_REFRESH;
156 | }
157 | }
158 | if (state == PULL_TO_REFRESH) {
159 | headerView.setPadding(0,(int)(-headerViewHeight+offsetY/RATIO) ,0,0);
160 | firstSetpView.setCurrentProgress(currentProgress);
161 | firstSetpView.postInvalidate();
162 | }
163 | if (state == RELEASE_TO_REFRESH) {
164 | headerView.setPadding(0,(int)(-headerViewHeight+offsetY/RATIO) ,0, 0);
165 | firstSetpView.setCurrentProgress(currentProgress);
166 | firstSetpView.postInvalidate();
167 | }
168 | }
169 |
170 |
171 | break;
172 | case MotionEvent.ACTION_UP:
173 | if (state == PULL_TO_REFRESH) {
174 | this.smoothScrollBy((int)(-headerViewHeight+offsetY/RATIO)+headerViewHeight, 500);
175 | changeHeaderByState(state);
176 | }
177 | if (state == RELEASE_TO_REFRESH) {
178 | this.smoothScrollBy((int)(-headerViewHeight+offsetY/RATIO), 500);
179 | state = REFRESHING;
180 | mOnRefreshListener.onRefresh();
181 | changeHeaderByState(state);
182 | }
183 | isRecord = false;
184 | break;
185 | }
186 |
187 | }
188 | }
189 | return super.onTouchEvent(ev);
190 | }
191 |
192 | private void changeHeaderByState(int state){
193 | switch (state) {
194 | case DONE:
195 | headerView.setPadding(0, -headerViewHeight, 0, 0);
196 | firstSetpView.setVisibility(View.VISIBLE);
197 | secondAnimation.stop();
198 | secondStepView.setVisibility(View.GONE);
199 | break;
200 | case RELEASE_TO_REFRESH:
201 | tv_pull_to_refresh.setText("松开刷新");
202 |
203 | break;
204 | case PULL_TO_REFRESH:
205 | tv_pull_to_refresh.setText("下拉刷新");
206 | state = DONE;
207 | firstSetpView.setVisibility(View.VISIBLE);
208 | secondAnimation.stop();
209 | secondStepView.setVisibility(View.GONE);
210 | break;
211 | case REFRESHING:
212 | tv_pull_to_refresh.setText("正在刷新");
213 | firstSetpView.setVisibility(View.GONE);
214 | secondStepView.setVisibility(View.VISIBLE);
215 | secondAnimation.stop();
216 | secondAnimation.start();
217 | break;
218 | default:
219 | break;
220 | }
221 | }
222 |
223 |
224 | private void measureView(View child) {
225 | ViewGroup.LayoutParams p = child.getLayoutParams();
226 | Log.i("zhangqi", "ppp="+p);
227 | if (p == null) {
228 | p = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
229 | ViewGroup.LayoutParams.WRAP_CONTENT);
230 | }
231 | int childWidthSpec = ViewGroup.getChildMeasureSpec(0, 0 + 0, p.width);
232 | int lpHeight = p.height;
233 | int childHeightSpec;
234 | if (lpHeight > 0) {
235 | childHeightSpec = MeasureSpec.makeMeasureSpec(lpHeight,
236 | MeasureSpec.EXACTLY);
237 | } else {
238 | childHeightSpec = MeasureSpec.makeMeasureSpec(0,
239 | MeasureSpec.UNSPECIFIED);
240 | }
241 | child.measure(childWidthSpec, childHeightSpec);
242 | }
243 |
244 |
245 | }
246 |
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/app/src/main/java/com/zhangqi/jingdongrefreshlistview/MainActivity.java:
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1 | package com.zhangqi.jingdongrefreshlistview;
2 |
3 | import android.app.Activity;
4 | import android.os.Bundle;
5 | import android.widget.SeekBar;
6 | import android.widget.SeekBar.OnSeekBarChangeListener;
7 |
8 |
9 | public class MainActivity extends Activity {
10 | private SeekBar sb;
11 | private FirstSetpView mFirstStepView;
12 |
13 | @Override
14 | protected void onCreate(Bundle savedInstanceState) {
15 | super.onCreate(savedInstanceState);
16 | setContentView(R.layout.activity_main);
17 | sb = (SeekBar) findViewById(R.id.seekbar);
18 | mFirstStepView = (FirstSetpView) findViewById(R.id.firstview);
19 | sb.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {
20 |
21 | @Override
22 | public void onStopTrackingTouch(SeekBar seekBar) {
23 |
24 | }
25 |
26 | @Override
27 | public void onStartTrackingTouch(SeekBar seekBar) {
28 |
29 | }
30 |
31 | @Override
32 | public void onProgressChanged(SeekBar seekBar, int progress,
33 | boolean fromUser) {
34 | float currentProgress = (float)seekBar.getProgress()/(float)seekBar.getMax();
35 | mFirstStepView.setCurrentProgress(currentProgress);
36 | mFirstStepView.invalidate();
37 | }
38 | });
39 | }
40 |
41 |
42 | }
43 |
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/app/src/main/java/com/zhangqi/jingdongrefreshlistview/PullToRefreshActivity.java:
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1 | package com.zhangqi.jingdongrefreshlistview;
2 |
3 | import android.app.Activity;
4 | import android.os.Bundle;
5 | import android.os.Handler;
6 | import android.os.Message;
7 | import android.widget.ArrayAdapter;
8 |
9 | import java.util.ArrayList;
10 | import java.util.Arrays;
11 | import java.util.List;
12 |
13 | public class PullToRefreshActivity extends Activity implements JingDongListView.OnJingDongRefreshListener {
14 | private static JingDongListView mListView;
15 | private List mDatas;
16 | private static ArrayAdapter mAdapter;
17 | private final static int REFRESH_COMPLETE = 0;
18 |
19 | private InterHandler mInterHandler = new InterHandler();
20 |
21 | private static class InterHandler extends Handler{
22 | @Override
23 | public void handleMessage(Message msg) {
24 | switch (msg.what) {
25 | case REFRESH_COMPLETE:
26 | mListView.setOnRefreshComplete();
27 | mAdapter.notifyDataSetChanged();
28 | mListView.setSelection(0);
29 | break;
30 |
31 | default:
32 | break;
33 | }
34 | }
35 | }
36 |
37 | @Override
38 | protected void onCreate(Bundle savedInstanceState) {
39 | super.onCreate(savedInstanceState);
40 | setContentView(R.layout.activity_pulltorefresh);
41 | mListView = (JingDongListView) findViewById(R.id.listview);
42 | String[] data = new String[]{"hello world","hello world","hello world","hello world",
43 | "hello world","hello world","hello world","hello world","hello world",
44 | "hello world","hello world","hello world","hello world","hello world",};
45 | mDatas = new ArrayList(Arrays.asList(data));
46 | mAdapter = new ArrayAdapter(this, android.R.layout.simple_list_item_1,mDatas);
47 | mListView.setAdapter(mAdapter);
48 | mListView.setOnJingDongRefreshListener(this);
49 | }
50 |
51 | @Override
52 | public void onRefresh() {
53 | new Thread(new Runnable() {
54 |
55 | @Override
56 | public void run() {
57 | try {
58 | Thread.sleep(3000);
59 | mDatas.add(0, "new data");
60 | mInterHandler.sendEmptyMessage(REFRESH_COMPLETE);
61 | } catch (InterruptedException e) {
62 | // TODO Auto-generated catch block
63 | e.printStackTrace();
64 | }
65 | }
66 | }).start();
67 | }
68 |
69 |
70 | }
71 |
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/app/src/main/java/com/zhangqi/jingdongrefreshlistview/SecondStepView.java:
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1 | package com.zhangqi.jingdongrefreshlistview;
2 |
3 | import android.content.Context;
4 | import android.graphics.Bitmap;
5 | import android.graphics.BitmapFactory;
6 | import android.util.AttributeSet;
7 | import android.view.View;
8 |
9 | public class SecondStepView extends View{
10 |
11 | private Bitmap endBitmap;
12 |
13 | public SecondStepView(Context context, AttributeSet attrs, int defStyle) {
14 | super(context, attrs, defStyle);
15 | init();
16 | }
17 |
18 | public SecondStepView(Context context, AttributeSet attrs) {
19 | super(context, attrs);
20 | init();
21 | }
22 |
23 | public SecondStepView(Context context) {
24 | super(context);
25 | init();
26 | }
27 |
28 | private void init(){
29 | //拿到帧动画第三章图片，我们的FirstStepView的宽高也是根据这张图片来测量的，所以我们就能
30 | //保证两个View的宽高一致了
31 | endBitmap = BitmapFactory.decodeResource(getResources(), R.mipmap.app_refresh_people_3);
32 | }
33 |
34 | /**
35 | * 只需要测量方法
36 | * @param widthMeasureSpec
37 | * @param heightMeasureSpec
38 | */
39 | @Override
40 | protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
41 | setMeasuredDimension(measureWidth(widthMeasureSpec), measureHeight(heightMeasureSpec));
42 | }
43 |
44 | private int measureWidth(int widthMeasureSpec){
45 | int result = 0;
46 | int size = MeasureSpec.getSize(widthMeasureSpec);
47 | int mode = MeasureSpec.getMode(widthMeasureSpec);
48 | if (MeasureSpec.EXACTLY == mode) {
49 | result = size;
50 | }else {
51 | result = endBitmap.getWidth();
52 | if (MeasureSpec.AT_MOST == mode) {
53 | result = Math.min(size, result);
54 | }
55 | }
56 | return result;
57 | }
58 | private int measureHeight(int heightMeasureSpec){
59 | int result = 0;
60 | int size = MeasureSpec.getSize(heightMeasureSpec);
61 | int mode = MeasureSpec.getMode(heightMeasureSpec);
62 | if (MeasureSpec.EXACTLY == mode) {
63 | result = size;
64 | }else {
65 | result = endBitmap.getHeight();
66 | if (MeasureSpec.AT_MOST == mode) {
67 | result = Math.min(size, result);
68 | }
69 | }
70 | return result;
71 | }
72 |
73 | }
74 |
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/app/src/main/res/drawable/second_step_animation.xml:
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1 |
2 |
5 |