├── .gitignore
├── .idea
├── .name
├── compiler.xml
├── copyright
│ └── profiles_settings.xml
├── encodings.xml
├── gradle.xml
├── misc.xml
├── modules.xml
├── runConfigurations.xml
└── vcs.xml
├── KeywordsFlowDemo.iml
├── KeywordsFlowView.iml
├── README.md
├── app
├── .gitignore
├── app.iml
├── build.gradle
├── proguard-rules.pro
└── src
│ ├── androidTest
│ └── java
│ │ └── com
│ │ └── wenhuaijun
│ │ └── keywordsflowdemo
│ │ └── ApplicationTest.java
│ ├── main
│ ├── AndroidManifest.xml
│ ├── java
│ │ └── com
│ │ │ └── wenhuaijun
│ │ │ └── keywordsflowdemo
│ │ │ ├── KeywordsFlow.java
│ │ │ ├── KeywordsFlowView.java
│ │ │ └── MainActivity.java
│ └── res
│ │ ├── layout
│ │ └── activity_main.xml
│ │ ├── mipmap-hdpi
│ │ └── ic_launcher.png
│ │ ├── mipmap-mdpi
│ │ └── ic_launcher.png
│ │ ├── mipmap-xhdpi
│ │ └── ic_launcher.png
│ │ ├── mipmap-xxhdpi
│ │ └── ic_launcher.png
│ │ ├── mipmap-xxxhdpi
│ │ └── ic_launcher.png
│ │ ├── values-w820dp
│ │ └── dimens.xml
│ │ └── values
│ │ ├── colors.xml
│ │ ├── dimens.xml
│ │ ├── strings.xml
│ │ └── styles.xml
│ └── test
│ └── java
│ └── com
│ └── wenhuaijun
│ └── keywordsflowdemo
│ └── ExampleUnitTest.java
├── build.gradle
├── gradle.properties
├── gradle
└── wrapper
│ ├── gradle-wrapper.jar
│ └── gradle-wrapper.properties
├── gradlew
├── gradlew.bat
├── introduce
├── S60225-134045.jpg
├── S60225-135726.jpg
└── S60225-135738.jpg
└── settings.gradle
/.gitignore:
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/README.md:
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1 | # KeywordsFlowView
2 | ###随机布满屏幕的文字，飞入飞出动画效果的控件。
3 |
4 | 文字颜色随机，数量可设置,支持滑动屏幕切换文字
5 | ##示例
6 | 
7 | 
8 | 
9 |
10 | ##KeywordsFlowView的布局
11 |
12 |
17 | ##KeywordsFlowView的java代码
18 |
19 | public static final String[] keywords = { "Apple", "Android", "呵呵",
20 | "高富帅","女神","拥抱","旅行","爱情","屌丝","搞笑","暴走漫画","重邮","信科",
21 | "唯美","汪星人","秋天","雨天","科幻","黑夜",
22 | "孤独","星空","东京食尸鬼","金正恩","张全蛋","东京热","陈希妍",
23 | "明星","NBA","马云","码农","动漫","时尚","熊孩子","地理","伤感",
24 | "二次元"
25 | };
26 | keywordsFlowView = (KeywordsFlowView)findViewById(R.id.keywordsFlowView);
27 | //设置每次随机飞入文字的个数
28 | keywordsFlowView.setTextShowSize(15);
29 | //设置是否允许滑动屏幕切换文字
30 | keywordsFlowView.shouldScroolFlow(true);
31 | //开始展示
32 | keywordsFlowView.show(keywords, KeywordsFlow.ANIMATION_IN);//文字随机飞入
33 | keywordsFlowView.show(keywords,KeywordsFlow.ANIMATION_OUT);//文字随机飞出
34 | //监听文字的点击事件
35 | keywordsFlowView.setOnItemClickListener(this);//点击文字会将TextView返回到onClick（View view）回调中
36 |
37 |
38 |
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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 "23.0.2"
6 |
7 | defaultConfig {
8 | applicationId "com.wenhuaijun.keywordsflowdemo"
9 | minSdkVersion 15
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 | testCompile 'junit:junit:4.12'
25 | compile 'com.android.support:appcompat-v7:23.1.1'
26 | }
27 |
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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 F:\Users\Administrator\AppData\Local\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/wenhuaijun/keywordsflowdemo/ApplicationTest.java:
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1 | package com.wenhuaijun.keywordsflowdemo;
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/java/com/wenhuaijun/keywordsflowdemo/KeywordsFlow.java:
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1 | package com.wenhuaijun.keywordsflowdemo;
2 |
3 | import java.util.LinkedList;
4 | import java.util.Random;
5 | import java.util.Vector;
6 | import android.content.Context;
7 | import android.graphics.Paint;
8 | import android.util.AttributeSet;
9 | import android.util.Log;
10 | import android.util.TypedValue;
11 | import android.view.Gravity;
12 | import android.view.View;
13 | import android.view.ViewTreeObserver.OnGlobalLayoutListener;
14 | import android.view.animation.AlphaAnimation;
15 | import android.view.animation.Animation;
16 | import android.view.animation.Animation.AnimationListener;
17 | import android.view.animation.AnimationSet;
18 | import android.view.animation.AnimationUtils;
19 | import android.view.animation.Interpolator;
20 | import android.view.animation.ScaleAnimation;
21 | import android.view.animation.TranslateAnimation;
22 | import android.widget.FrameLayout;
23 | import android.widget.TextView;
24 |
25 | public class KeywordsFlow extends FrameLayout implements OnGlobalLayoutListener{
26 | public static final int IDX_X = 0;
27 | public static final int IDX_Y = 1;
28 | public static final int IDX_TXT_LENGTH = 2;
29 | public static final int IDX_DIS_Y = 3;
30 | /** 由外至内的动画。 */
31 | public static final int ANIMATION_IN = 1;
32 | /** 由内至外的动画。 */
33 | public static final int ANIMATION_OUT = 2;
34 | /** 位移动画类型：从外围移动到坐标点。 */
35 | public static final int OUTSIDE_TO_LOCATION = 1;
36 | /** 位移动画类型：从坐标点移动到外围。 */
37 | public static final int LOCATION_TO_OUTSIDE = 2;
38 | /** 位移动画类型：从中心点移动到坐标点。 */
39 | public static final int CENTER_TO_LOCATION = 3;
40 | /** 位移动画类型：从坐标点移动到中心点。 */
41 | public static final int LOCATION_TO_CENTER = 4;
42 | public static final long ANIM_DURATION = 800l;
43 | public static int MAX = 10;
44 | public static final int TEXT_SIZE_MAX = 25;
45 | public static final int TEXT_SIZE_MIN = 15;
46 | private OnClickListener itemClickListener;
47 | private static Interpolator interpolator;
48 | private static AlphaAnimation animAlpha2Opaque;
49 | private static AlphaAnimation animAlpha2Transparent;
50 | private static ScaleAnimation animScaleLarge2Normal, animScaleNormal2Large, animScaleZero2Normal,
51 | animScaleNormal2Zero;
52 | /** 存储显示的关键字。 */
53 | private Vector vecKeywords;
54 | private int width, height;
55 | /**
56 | * go2Show()中被赋值为true，标识开发人员触发其开始动画显示。
57 | * 本标识的作用是防止在填充keywrods未完成的过程中获取到width和height后提前启动动画。
58 | * 在show()方法中其被赋值为false。
59 | * 真正能够动画显示的另一必要条件：width 和 height不为0。
60 | */
61 | private boolean enableShow;
62 | private Random random;
63 | /**
64 | * @see //ANIMATION_IN
65 | * @see //ANIMATION_OUT
66 | * @see //OUTSIDE_TO_LOCATION
67 | * @see //LOCATION_TO_OUTSIDE
68 | * @see //LOCATION_TO_CENTER
69 | * @see //CENTER_TO_LOCATION
70 | * */
71 | private int txtAnimInType, txtAnimOutType;
72 | /** 最近一次启动动画显示的时间。 */
73 | private long lastStartAnimationTime;
74 | /** 动画运行时间。 */
75 | private long animDuration;
76 |
77 | public KeywordsFlow(Context context, AttributeSet attrs, int defStyle) {
78 | super(context, attrs, defStyle);
79 | init();
80 | }
81 |
82 | public KeywordsFlow(Context context, AttributeSet attrs) {
83 | super(context, attrs);
84 | init();
85 | }
86 |
87 | public KeywordsFlow(Context context) {
88 | super(context);
89 | init();
90 | }
91 |
92 | private void init() {
93 | lastStartAnimationTime = 0l;
94 | animDuration = ANIM_DURATION;
95 | random = new Random();
96 | vecKeywords = new Vector(MAX);
97 | getViewTreeObserver().addOnGlobalLayoutListener(this);
98 | interpolator = AnimationUtils.loadInterpolator(getContext(), android.R.anim.decelerate_interpolator);
99 | animAlpha2Opaque = new AlphaAnimation(0.0f, 1.0f);
100 | animAlpha2Transparent = new AlphaAnimation(1.0f, 0.0f);
101 | animScaleLarge2Normal = new ScaleAnimation(2, 1, 2, 1);
102 | animScaleNormal2Large = new ScaleAnimation(1, 2, 1, 2);
103 | animScaleZero2Normal = new ScaleAnimation(0, 1, 0, 1);
104 | animScaleNormal2Zero = new ScaleAnimation(1, 0, 1, 0);
105 | }
106 |
107 | public long getDuration() {
108 | return animDuration;
109 | }
110 |
111 | public void setDuration(long duration) {
112 | animDuration = duration;
113 | }
114 |
115 | public boolean feedKeyword(String keyword) {
116 | boolean result = false;
117 | if (vecKeywords.size() < MAX) {
118 | result = vecKeywords.add(keyword);
119 | }
120 | return result;
121 | }
122 |
123 | /**
124 | * 开始动画显示。
125 | * 之前已经存在的TextView将会显示退出动画。
126 | *
127 | * @return 正常显示动画返回true；反之为false。返回false原因如下：
128 | * 1.时间上不允许，受lastStartAnimationTime的制约；
129 | * 2.未获取到width和height的值。
130 | */
131 | public boolean go2Show(int animType) {
132 | if (System.currentTimeMillis() - lastStartAnimationTime > animDuration) {
133 | enableShow = true;
134 | if (animType == ANIMATION_IN) {
135 | txtAnimInType = OUTSIDE_TO_LOCATION;
136 | txtAnimOutType = LOCATION_TO_CENTER;
137 | } else if (animType == ANIMATION_OUT) {
138 | txtAnimInType = CENTER_TO_LOCATION;
139 | txtAnimOutType = LOCATION_TO_OUTSIDE;
140 | }
141 | disapper();
142 | boolean result = show();
143 | return result;
144 | }
145 | return false;
146 | }
147 |
148 | private void disapper() {
149 | int size = getChildCount();
150 | for (int i = size - 1; i >= 0; i--) {
151 | final TextView txt = (TextView) getChildAt(i);
152 | if (txt.getVisibility() == View.GONE) {
153 | removeView(txt);
154 | continue;
155 | }
156 | LayoutParams layParams = (LayoutParams) txt.getLayoutParams();
157 | // Log.d("ANDROID_LAB", txt.getText() + " leftM=" +
158 | // layParams.leftMargin + " topM=" + layParams.topMargin
159 | // + " width=" + txt.getWidth());
160 | int[] xy = new int[] { layParams.leftMargin, layParams.topMargin, txt.getWidth() };
161 | AnimationSet animSet = getAnimationSet(xy, (width >> 1), (height >> 1), txtAnimOutType);
162 | txt.startAnimation(animSet);
163 | animSet.setAnimationListener(new AnimationListener() {
164 | public void onAnimationStart(Animation animation) {
165 | }
166 |
167 | public void onAnimationRepeat(Animation animation) {
168 | }
169 |
170 | public void onAnimationEnd(Animation animation) {
171 | txt.setOnClickListener(null);
172 | txt.setClickable(false);
173 | txt.setVisibility(View.GONE);
174 | }
175 | });
176 | }
177 | }
178 |
179 | private boolean show() {
180 | if (width > 0 && height > 0 && vecKeywords != null && vecKeywords.size() > 0 && enableShow) {
181 | enableShow = false;
182 | lastStartAnimationTime = System.currentTimeMillis();
183 | //找到中心点
184 | int xCenter = width >> 1, yCenter = height >> 1;
185 | //关键字的个数。
186 | int size = vecKeywords.size();
187 | int xItem = width / size, yItem = height / size;
188 | Log.d("ANDROID_LAB", "--------------------------width=" + width +
189 | " height=" + height + " xItem=" + xItem
190 | + " yItem=" + yItem + "---------------------------");
191 | LinkedList listX = new LinkedList(), listY = new LinkedList();
192 | for (int i = 0; i < size; i++) {
193 | // 准备随机候选数，分别对应x/y轴位置
194 | listX.add(i * xItem);
195 | listY.add(i * yItem + (yItem >> 2));
196 | Log.e("Search", "ListX:"+(i * xItem)+"#listY:"+(i * yItem + (yItem >> 2)));
197 | }
198 | // TextView[] txtArr = new TextView[size];
199 | LinkedList listTxtTop = new LinkedList();
200 | LinkedList listTxtBottom = new LinkedList();
201 | for (int i = 0; i < size; i++) {
202 | String keyword = vecKeywords.get(i);
203 | // 随机颜色
204 | int ranColor = 0xff000000 | random.nextInt(0x0077ffff);
205 | // 随机位置，糙值
206 | int xy[] = randomXY(random, listX, listY, xItem);
207 | // 随机字体大小
208 | int txtSize = TEXT_SIZE_MIN + random.nextInt(TEXT_SIZE_MAX - TEXT_SIZE_MIN + 1);
209 | // 实例化TextView
210 | final TextView txt = new TextView(getContext());
211 | txt.setOnClickListener(itemClickListener);
212 | txt.setText(keyword);
213 | txt.setTextColor(ranColor);
214 | txt.setTextSize(TypedValue.COMPLEX_UNIT_SP, txtSize);
215 | txt.setShadowLayer(1, 1, 1, 0xdd696969);
216 | txt.setGravity(Gravity.CENTER);
217 |
218 | // txt.setBackgroundColor(Color.RED);
219 | // 获取文本长度
220 | Paint paint = txt.getPaint();
221 | int strWidth = (int) Math.ceil(paint.measureText(keyword));
222 | xy[IDX_TXT_LENGTH] = strWidth;
223 | // 第一次修正:修正x坐标
224 | if (xy[IDX_X] + strWidth > width - (xItem >> 1)) {
225 | int baseX = width - strWidth;
226 | // 减少文本右边缘一样的概率
227 | xy[IDX_X] = baseX - xItem + random.nextInt(xItem >> 1);
228 | } else if (xy[IDX_X] == 0) {
229 | // 减少文本左边缘一样的概率
230 | xy[IDX_X] = Math.max(random.nextInt(xItem), xItem / 3);
231 | }
232 | xy[IDX_DIS_Y] = Math.abs(xy[IDX_Y] - yCenter);
233 | txt.setTag(xy);
234 | if (xy[IDX_Y] > yCenter) {
235 | listTxtBottom.add(txt);
236 | } else {
237 | listTxtTop.add(txt);
238 | }
239 | }
240 | attach2Screen(listTxtTop, xCenter, yCenter, yItem);
241 | attach2Screen(listTxtBottom, xCenter, yCenter, yItem);
242 | return true;
243 | }
244 | return false;
245 | }
246 |
247 | /** 修正TextView的Y坐标将将其添加到容器上。 */
248 | private void attach2Screen(LinkedList listTxt, int xCenter, int yCenter, int yItem) {
249 | int size = listTxt.size();
250 | sortXYList(listTxt, size);
251 | for (int i = 0; i < size; i++) {
252 | TextView txt = listTxt.get(i);
253 | int[] iXY = (int[]) txt.getTag();
254 | // Log.d("ANDROID_LAB", "fix[ " + txt.getText() + " ] x:" +
255 | // iXY[IDX_X] + " y:" + iXY[IDX_Y] + " r2="
256 | // + iXY[IDX_DIS_Y]);
257 | // 第二次修正:修正y坐标
258 | int yDistance = iXY[IDX_Y] - yCenter;
259 | // 对于最靠近中心点的，其值不会大于yItem
260 | // 对于可以一路下降到中心点的，则该值也是其应调整的大小
261 | int yMove = Math.abs(yDistance);
262 | inner: for (int k = i - 1; k >= 0; k--) {
263 | int[] kXY = (int[]) listTxt.get(k).getTag();
264 | int startX = kXY[IDX_X];
265 | int endX = startX + kXY[IDX_TXT_LENGTH];
266 | // y轴以中心点为分隔线，在同一侧
267 | if (yDistance * (kXY[IDX_Y] - yCenter) > 0) {
268 | // Log.d("ANDROID_LAB", "compare:" +
269 | // listTxt.get(k).getText());
270 | if (isXMixed(startX, endX, iXY[IDX_X], iXY[IDX_X] + iXY[IDX_TXT_LENGTH])) {
271 | int tmpMove = Math.abs(iXY[IDX_Y] - kXY[IDX_Y]);
272 | if (tmpMove > yItem) {
273 | yMove = tmpMove;
274 | } else if (yMove > 0) {
275 | // 取消默认值。
276 | yMove = 0;
277 | }
278 | // Log.d("ANDROID_LAB", "break");
279 | break inner;
280 | }
281 | }
282 | }
283 | // Log.d("ANDROID_LAB", txt.getText() + " yMove=" + yMove);
284 | if (yMove > yItem) {
285 | int maxMove = yMove - yItem;
286 | int randomMove = random.nextInt(maxMove);
287 | int realMove = Math.max(randomMove, maxMove >> 1) * yDistance / Math.abs(yDistance);
288 | iXY[IDX_Y] = iXY[IDX_Y] - realMove;
289 | iXY[IDX_DIS_Y] = Math.abs(iXY[IDX_Y] - yCenter);
290 | // 已经调整过前i个需要再次排序
291 | sortXYList(listTxt, i + 1);
292 | }
293 | LayoutParams layParams = new LayoutParams(LayoutParams.WRAP_CONTENT,
294 | LayoutParams.WRAP_CONTENT);
295 | layParams.gravity = Gravity.LEFT | Gravity.TOP;
296 | layParams.leftMargin = iXY[IDX_X];
297 | layParams.topMargin = iXY[IDX_Y];
298 | addView(txt, layParams);
299 | // 动画
300 | AnimationSet animSet = getAnimationSet(iXY, xCenter, yCenter, txtAnimInType);
301 | txt.startAnimation(animSet);
302 | }
303 | }
304 |
305 | public AnimationSet getAnimationSet(int[] xy, int xCenter, int yCenter, int type) {
306 | AnimationSet animSet = new AnimationSet(true);
307 | animSet.setInterpolator(interpolator);
308 | if (type == OUTSIDE_TO_LOCATION) {
309 | animSet.addAnimation(animAlpha2Opaque);
310 | animSet.addAnimation(animScaleLarge2Normal);
311 | TranslateAnimation translate = new TranslateAnimation(
312 | (xy[IDX_X] + (xy[IDX_TXT_LENGTH] >> 1) - xCenter) << 1, 0, (xy[IDX_Y] - yCenter) << 1, 0);
313 | animSet.addAnimation(translate);
314 | } else if (type == LOCATION_TO_OUTSIDE) {
315 | animSet.addAnimation(animAlpha2Transparent);
316 | animSet.addAnimation(animScaleNormal2Large);
317 | TranslateAnimation translate = new TranslateAnimation(0,
318 | (xy[IDX_X] + (xy[IDX_TXT_LENGTH] >> 1) - xCenter) << 1, 0, (xy[IDX_Y] - yCenter) << 1);
319 | animSet.addAnimation(translate);
320 | } else if (type == LOCATION_TO_CENTER) {
321 | animSet.addAnimation(animAlpha2Transparent);
322 | animSet.addAnimation(animScaleNormal2Zero);
323 | TranslateAnimation translate = new TranslateAnimation(0, (-xy[IDX_X] + xCenter), 0, (-xy[IDX_Y] + yCenter));
324 | animSet.addAnimation(translate);
325 | } else if (type == CENTER_TO_LOCATION) {
326 | animSet.addAnimation(animAlpha2Opaque);
327 | animSet.addAnimation(animScaleZero2Normal);
328 | TranslateAnimation translate = new TranslateAnimation((-xy[IDX_X] + xCenter), 0, (-xy[IDX_Y] + yCenter), 0);
329 | animSet.addAnimation(translate);
330 | }
331 | animSet.setDuration(animDuration);
332 | return animSet;
333 | }
334 |
335 | /**
336 | * 根据与中心点的距离由近到远进行冒泡排序。
337 | *
338 | * @param endIdx
339 | * 起始位置。
340 | * /*@param txtArr
341 | * 待排序的数组。 */
342 |
343 |
344 | private void sortXYList(LinkedList listTxt, int endIdx) {
345 | for (int i = 0; i < endIdx; i++) {
346 | for (int k = i + 1; k < endIdx; k++) {
347 | if (((int[]) listTxt.get(k).getTag())[IDX_DIS_Y] < ((int[]) listTxt.get(i).getTag())[IDX_DIS_Y]) {
348 | TextView iTmp = listTxt.get(i);
349 | TextView kTmp = listTxt.get(k);
350 | listTxt.set(i, kTmp);
351 | listTxt.set(k, iTmp);
352 | }
353 | }
354 | }
355 | }
356 |
357 | /** A线段与B线段所代表的直线在X轴映射上是否有交集。 */
358 | private boolean isXMixed(int startA, int endA, int startB, int endB) {
359 | boolean result = false;
360 | if (startB >= startA && startB <= endA) {
361 | result = true;
362 | } else if (endB >= startA && endB <= endA) {
363 | result = true;
364 | } else if (startA >= startB && startA <= endB) {
365 | result = true;
366 | } else if (endA >= startB && endA <= endB) {
367 | result = true;
368 | }
369 | return result;
370 | }
371 |
372 | private int[] randomXY(Random ran, LinkedList listX, LinkedList listY, int xItem) {
373 | int[] arr = new int[4];
374 | arr[IDX_X] = listX.remove(ran.nextInt(listX.size()));
375 | arr[IDX_Y] = listY.remove(ran.nextInt(listY.size()));
376 | return arr;
377 | }
378 |
379 | public void onGlobalLayout() {
380 | int tmpW = getWidth();
381 | int tmpH = getHeight();
382 | if (width != tmpW || height != tmpH) {
383 | width = tmpW;
384 | height = tmpH;
385 | show();
386 | }
387 | }
388 |
389 | public Vector getKeywords() {
390 | return vecKeywords;
391 | }
392 |
393 | public void rubKeywords() {
394 | vecKeywords.clear();
395 | }
396 |
397 | /** 直接清除所有的TextView。在清除之前不会显示动画。 */
398 | public void rubAllViews() {
399 | removeAllViews();
400 | }
401 |
402 | public void setOnItemClickListener(OnClickListener listener) {
403 | itemClickListener = listener;
404 | }
405 |
406 | // public void onDraw(Canvas canvas) {
407 | // super.onDraw(canvas);
408 | // Paint p = new Paint();
409 | // p.setColor(Color.BLACK);
410 | // canvas.drawCircle((width >> 1) - 2, (height >> 1) - 2, 4, p);
411 | // p.setColor(Color.RED);
412 | // }
413 | }
414 |
--------------------------------------------------------------------------------
/app/src/main/java/com/wenhuaijun/keywordsflowdemo/KeywordsFlowView.java:
--------------------------------------------------------------------------------
1 | package com.wenhuaijun.keywordsflowdemo;
2 |
3 | import android.content.Context;
4 | import android.util.AttributeSet;
5 | import android.view.MotionEvent;
6 | import android.view.VelocityTracker;
7 |
8 | import java.util.Random;
9 |
10 | /**
11 | * Created by Administrator on 2016/2/24 0024.
12 | */
13 | public class KeywordsFlowView extends KeywordsFlow{
14 | //手势滑动
15 | public static final int SNAP_VELOCITY = 50;
16 | private float yDown;
17 | private float yMove;
18 | private float yUp;
19 | private String[] words;
20 | private boolean shouldScroolFlow = true;
21 | //用于计算手指滑动的速度。
22 | private VelocityTracker mVelocityTracker;
23 | public KeywordsFlowView(Context context, AttributeSet attrs, int defStyle) {
24 | super(context, attrs, defStyle);
25 | }
26 |
27 | public KeywordsFlowView(Context context, AttributeSet attrs) {
28 | super(context, attrs);
29 | }
30 |
31 | public KeywordsFlowView(Context context) {
32 | super(context);
33 | }
34 |
35 |
36 |
37 | public void setWords(String[] words){
38 | this.words =words;
39 | }
40 | public void show(String[] words,int animType){
41 | setWords(words);
42 | rubKeywords();
43 | feedKeywordsFlow(this, words);
44 | go2Show(animType);
45 | }
46 | private static void feedKeywordsFlow(KeywordsFlow keywordsFlow, String[] words) {
47 | Random random = new Random();
48 | for (int i = 0; i < KeywordsFlow.MAX; i++) {
49 | int ran = random.nextInt(words.length);
50 | String tmp = words[ran];
51 | keywordsFlow.feedKeyword(tmp);
52 | }
53 | }
54 | public void setTextShowSize(int size){
55 | MAX=size;
56 | }
57 | public void shouldScroolFlow(boolean shouldScroolFlow){
58 | this.shouldScroolFlow =shouldScroolFlow;
59 | }
60 | @Override
61 | public boolean onTouchEvent(MotionEvent event) {
62 | if(!shouldScroolFlow){
63 | return super.onTouchEvent(event);
64 | }
65 | createVelocityTracker(event);
66 | switch(event.getAction()){
67 | case MotionEvent.ACTION_DOWN:
68 | yDown=event.getRawY();
69 | break;
70 | case MotionEvent.ACTION_MOVE:
71 | yMove=event.getRawY();
72 | break;
73 | case MotionEvent.ACTION_UP:
74 | yUp=event.getRawY();
75 | float distance=yUp-yDown;
76 | if(distance<-100&& getScrollVelocity() > SNAP_VELOCITY){
77 | rubKeywords();
78 | feedKeywordsFlow(this, words);
79 | go2Show(KeywordsFlow.ANIMATION_OUT);
80 | }else if(distance>30&&getScrollVelocity() > SNAP_VELOCITY){
81 | rubKeywords();
82 | feedKeywordsFlow(this, words);
83 | go2Show(KeywordsFlow.ANIMATION_IN);
84 | }
85 | break;
86 |
87 | }
88 | return true;
89 | }
90 | private void createVelocityTracker(MotionEvent event) {
91 | if (mVelocityTracker == null) {
92 | mVelocityTracker = VelocityTracker.obtain();
93 | }
94 | mVelocityTracker.addMovement(event);
95 | }
96 | private int getScrollVelocity() {
97 | mVelocityTracker.computeCurrentVelocity(1000);
98 | int velocity = (int) mVelocityTracker.getXVelocity();
99 | return Math.abs(velocity);
100 | }
101 | }
102 |
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/app/src/main/java/com/wenhuaijun/keywordsflowdemo/MainActivity.java:
--------------------------------------------------------------------------------
1 | package com.wenhuaijun.keywordsflowdemo;
2 |
3 | import android.support.v7.app.AppCompatActivity;
4 | import android.os.Bundle;
5 | import android.view.View;
6 | import android.widget.Button;
7 | import android.widget.TextView;
8 | import android.widget.Toast;
9 |
10 | public class MainActivity extends AppCompatActivity implements View.OnClickListener {
11 | KeywordsFlowView keywordsFlowView;
12 | Button flow_in;
13 | Button flow_out;
14 |
15 | public static final String[] keywords = { "Apple", "Android", "呵呵",
16 | "高富帅","女神","拥抱","旅行","爱情","屌丝","搞笑","暴走漫画","重邮","信科",
17 | "唯美","汪星人","秋天","雨天","科幻","黑夜",
18 | "孤独","星空","东京食尸鬼","金正恩","张全蛋","东京热","陈希妍",
19 | "明星","NBA","马云","码农","动漫","时尚","熊孩子","地理","伤感",
20 | "二次元"
21 | };
22 | @Override
23 | protected void onCreate(Bundle savedInstanceState) {
24 | super.onCreate(savedInstanceState);
25 | setContentView(R.layout.activity_main);
26 | flow_in =(Button)findViewById(R.id.flow_in);
27 | flow_out =(Button)findViewById(R.id.flow_out);
28 | keywordsFlowView = (KeywordsFlowView)findViewById(R.id.keywordsFlowView);
29 | //设置每次随机飞入文字的个数
30 | keywordsFlowView.setTextShowSize(15);
31 | //设置是否允许滑动屏幕切换文字
32 | keywordsFlowView.shouldScroolFlow(true);
33 | //开始展示
34 | keywordsFlowView.show(keywords, KeywordsFlow.ANIMATION_IN);
35 | flow_in.setOnClickListener(this);
36 | flow_out.setOnClickListener(this);
37 | //设置文字的点击点击监听
38 | keywordsFlowView.setOnItemClickListener(new View.OnClickListener() {
39 | @Override
40 | public void onClick(View v) {
41 | Toast.makeText(MainActivity.this,((TextView)v).getText().toString(),Toast.LENGTH_SHORT).show();
42 | }
43 | });
44 |
45 | }
46 |
47 | @Override
48 | public void onClick(View v) {
49 | if(v==flow_in){
50 | //文字随机飞入
51 | keywordsFlowView.show(keywords,KeywordsFlow.ANIMATION_IN);
52 | }else if (v==flow_out){
53 | //文字随机飞出
54 | keywordsFlowView.show(keywords,KeywordsFlow.ANIMATION_OUT);
55 | }
56 | }
57 | }
58 |
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/app/src/main/res/layout/activity_main.xml:
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1 |
2 |
7 |
8 |
15 |
21 |
27 |
28 |
34 |
35 |
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/app/src/main/res/mipmap-hdpi/ic_launcher.png:
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https://raw.githubusercontent.com/wenhuaijun/KeywordsFlowView/fd0e5a71bc7b26d307703b25cfc0fd5bdc086ff3/app/src/main/res/mipmap-hdpi/ic_launcher.png
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/app/src/main/res/mipmap-mdpi/ic_launcher.png:
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https://raw.githubusercontent.com/wenhuaijun/KeywordsFlowView/fd0e5a71bc7b26d307703b25cfc0fd5bdc086ff3/app/src/main/res/mipmap-mdpi/ic_launcher.png
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/app/src/main/res/mipmap-xhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/wenhuaijun/KeywordsFlowView/fd0e5a71bc7b26d307703b25cfc0fd5bdc086ff3/app/src/main/res/mipmap-xhdpi/ic_launcher.png
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/app/src/main/res/mipmap-xxhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/wenhuaijun/KeywordsFlowView/fd0e5a71bc7b26d307703b25cfc0fd5bdc086ff3/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
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/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/wenhuaijun/KeywordsFlowView/fd0e5a71bc7b26d307703b25cfc0fd5bdc086ff3/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
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/app/src/main/res/values-w820dp/dimens.xml:
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1 |
2 |
5 | 64dp
6 |
7 |
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/app/src/main/res/values/colors.xml:
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1 |
2 |
3 | #3F51B5
4 | #303F9F
5 | #FF4081
6 |
7 |
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/app/src/main/res/values/dimens.xml:
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1 |
2 |
3 | 16dp
4 | 16dp
5 |
6 |
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/app/src/main/res/values/strings.xml:
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1 |
2 | KeywordsFlowView
3 |
4 |
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/app/src/main/res/values/styles.xml:
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1 |
2 |
3 |
4 |
10 |
11 |
12 |
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/app/src/test/java/com/wenhuaijun/keywordsflowdemo/ExampleUnitTest.java:
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1 | package com.wenhuaijun.keywordsflowdemo;
2 |
3 | import org.junit.Test;
4 |
5 | import static org.junit.Assert.*;
6 |
7 | /**
8 | * To work on unit tests, switch the Test Artifact in the Build Variants view.
9 | */
10 | public class ExampleUnitTest {
11 | @Test
12 | public void addition_isCorrect() throws Exception {
13 | assertEquals(4, 2 + 2);
14 | }
15 | }
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/build.gradle:
--------------------------------------------------------------------------------
1 | // Top-level build file where you can add configuration options common to all sub-projects/modules.
2 |
3 | buildscript {
4 | repositories {
5 | jcenter()
6 | }
7 | dependencies {
8 | classpath 'com.android.tools.build:gradle:1.3.0'
9 |
10 | // NOTE: Do not place your application dependencies here; they belong
11 | // in the individual module build.gradle files
12 | }
13 | }
14 |
15 | allprojects {
16 | repositories {
17 | jcenter()
18 | }
19 | }
20 |
21 | task clean(type: Delete) {
22 | delete rootProject.buildDir
23 | }
24 |
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/gradle.properties:
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1 | # Project-wide Gradle settings.
2 |
3 | # IDE (e.g. Android Studio) users:
4 | # Gradle settings configured through the IDE *will override*
5 | # any settings specified in this file.
6 |
7 | # For more details on how to configure your build environment visit
8 | # http://www.gradle.org/docs/current/userguide/build_environment.html
9 |
10 | # Specifies the JVM arguments used for the daemon process.
11 | # The setting is particularly useful for tweaking memory settings.
12 | # Default value: -Xmx10248m -XX:MaxPermSize=256m
13 | # org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
14 |
15 | # When configured, Gradle will run in incubating parallel mode.
16 | # This option should only be used with decoupled projects. More details, visit
17 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
18 | # org.gradle.parallel=true
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/gradle/wrapper/gradle-wrapper.jar:
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https://raw.githubusercontent.com/wenhuaijun/KeywordsFlowView/fd0e5a71bc7b26d307703b25cfc0fd5bdc086ff3/gradle/wrapper/gradle-wrapper.jar
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/gradle/wrapper/gradle-wrapper.properties:
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1 | #Wed Feb 24 23:11:27 CST 2016
2 | distributionBase=GRADLE_USER_HOME
3 | distributionPath=wrapper/dists
4 | zipStoreBase=GRADLE_USER_HOME
5 | zipStorePath=wrapper/dists
6 | distributionUrl=https\://services.gradle.org/distributions/gradle-2.4-all.zip
7 |
--------------------------------------------------------------------------------
/gradlew:
--------------------------------------------------------------------------------
1 | #!/usr/bin/env bash
2 |
3 | ##############################################################################
4 | ##
5 | ## Gradle start up script for UN*X
6 | ##
7 | ##############################################################################
8 |
9 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
10 | DEFAULT_JVM_OPTS=""
11 |
12 | APP_NAME="Gradle"
13 | APP_BASE_NAME=`basename "$0"`
14 |
15 | # Use the maximum available, or set MAX_FD != -1 to use that value.
16 | MAX_FD="maximum"
17 |
18 | warn ( ) {
19 | echo "$*"
20 | }
21 |
22 | die ( ) {
23 | echo
24 | echo "$*"
25 | echo
26 | exit 1
27 | }
28 |
29 | # OS specific support (must be 'true' or 'false').
30 | cygwin=false
31 | msys=false
32 | darwin=false
33 | case "`uname`" in
34 | CYGWIN* )
35 | cygwin=true
36 | ;;
37 | Darwin* )
38 | darwin=true
39 | ;;
40 | MINGW* )
41 | msys=true
42 | ;;
43 | esac
44 |
45 | # For Cygwin, ensure paths are in UNIX format before anything is touched.
46 | if $cygwin ; then
47 | [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
48 | fi
49 |
50 | # Attempt to set APP_HOME
51 | # Resolve links: $0 may be a link
52 | PRG="$0"
53 | # Need this for relative symlinks.
54 | while [ -h "$PRG" ] ; do
55 | ls=`ls -ld "$PRG"`
56 | link=`expr "$ls" : '.*-> \(.*\)$'`
57 | if expr "$link" : '/.*' > /dev/null; then
58 | PRG="$link"
59 | else
60 | PRG=`dirname "$PRG"`"/$link"
61 | fi
62 | done
63 | SAVED="`pwd`"
64 | cd "`dirname \"$PRG\"`/" >&-
65 | APP_HOME="`pwd -P`"
66 | cd "$SAVED" >&-
67 |
68 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
69 |
70 | # Determine the Java command to use to start the JVM.
71 | if [ -n "$JAVA_HOME" ] ; then
72 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
73 | # IBM's JDK on AIX uses strange locations for the executables
74 | JAVACMD="$JAVA_HOME/jre/sh/java"
75 | else
76 | JAVACMD="$JAVA_HOME/bin/java"
77 | fi
78 | if [ ! -x "$JAVACMD" ] ; then
79 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
80 |
81 | Please set the JAVA_HOME variable in your environment to match the
82 | location of your Java installation."
83 | fi
84 | else
85 | JAVACMD="java"
86 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
87 |
88 | Please set the JAVA_HOME variable in your environment to match the
89 | location of your Java installation."
90 | fi
91 |
92 | # Increase the maximum file descriptors if we can.
93 | if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
94 | MAX_FD_LIMIT=`ulimit -H -n`
95 | if [ $? -eq 0 ] ; then
96 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
97 | MAX_FD="$MAX_FD_LIMIT"
98 | fi
99 | ulimit -n $MAX_FD
100 | if [ $? -ne 0 ] ; then
101 | warn "Could not set maximum file descriptor limit: $MAX_FD"
102 | fi
103 | else
104 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
105 | fi
106 | fi
107 |
108 | # For Darwin, add options to specify how the application appears in the dock
109 | if $darwin; then
110 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
111 | fi
112 |
113 | # For Cygwin, switch paths to Windows format before running java
114 | if $cygwin ; then
115 | APP_HOME=`cygpath --path --mixed "$APP_HOME"`
116 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
117 |
118 | # We build the pattern for arguments to be converted via cygpath
119 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
120 | SEP=""
121 | for dir in $ROOTDIRSRAW ; do
122 | ROOTDIRS="$ROOTDIRS$SEP$dir"
123 | SEP="|"
124 | done
125 | OURCYGPATTERN="(^($ROOTDIRS))"
126 | # Add a user-defined pattern to the cygpath arguments
127 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then
128 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
129 | fi
130 | # Now convert the arguments - kludge to limit ourselves to /bin/sh
131 | i=0
132 | for arg in "$@" ; do
133 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
134 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
135 |
136 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
137 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
138 | else
139 | eval `echo args$i`="\"$arg\""
140 | fi
141 | i=$((i+1))
142 | done
143 | case $i in
144 | (0) set -- ;;
145 | (1) set -- "$args0" ;;
146 | (2) set -- "$args0" "$args1" ;;
147 | (3) set -- "$args0" "$args1" "$args2" ;;
148 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
149 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
150 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
151 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
152 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
153 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
154 | esac
155 | fi
156 |
157 | # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
158 | function splitJvmOpts() {
159 | JVM_OPTS=("$@")
160 | }
161 | eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
162 | JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
163 |
164 | exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
165 |
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/gradlew.bat:
--------------------------------------------------------------------------------
1 | @if "%DEBUG%" == "" @echo off
2 | @rem ##########################################################################
3 | @rem
4 | @rem Gradle startup script for Windows
5 | @rem
6 | @rem ##########################################################################
7 |
8 | @rem Set local scope for the variables with windows NT shell
9 | if "%OS%"=="Windows_NT" setlocal
10 |
11 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
12 | set DEFAULT_JVM_OPTS=
13 |
14 | set DIRNAME=%~dp0
15 | if "%DIRNAME%" == "" set DIRNAME=.
16 | set APP_BASE_NAME=%~n0
17 | set APP_HOME=%DIRNAME%
18 |
19 | @rem Find java.exe
20 | if defined JAVA_HOME goto findJavaFromJavaHome
21 |
22 | set JAVA_EXE=java.exe
23 | %JAVA_EXE% -version >NUL 2>&1
24 | if "%ERRORLEVEL%" == "0" goto init
25 |
26 | echo.
27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
28 | echo.
29 | echo Please set the JAVA_HOME variable in your environment to match the
30 | echo location of your Java installation.
31 |
32 | goto fail
33 |
34 | :findJavaFromJavaHome
35 | set JAVA_HOME=%JAVA_HOME:"=%
36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe
37 |
38 | if exist "%JAVA_EXE%" goto init
39 |
40 | echo.
41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
42 | echo.
43 | echo Please set the JAVA_HOME variable in your environment to match the
44 | echo location of your Java installation.
45 |
46 | goto fail
47 |
48 | :init
49 | @rem Get command-line arguments, handling Windowz variants
50 |
51 | if not "%OS%" == "Windows_NT" goto win9xME_args
52 | if "%@eval[2+2]" == "4" goto 4NT_args
53 |
54 | :win9xME_args
55 | @rem Slurp the command line arguments.
56 | set CMD_LINE_ARGS=
57 | set _SKIP=2
58 |
59 | :win9xME_args_slurp
60 | if "x%~1" == "x" goto execute
61 |
62 | set CMD_LINE_ARGS=%*
63 | goto execute
64 |
65 | :4NT_args
66 | @rem Get arguments from the 4NT Shell from JP Software
67 | set CMD_LINE_ARGS=%$
68 |
69 | :execute
70 | @rem Setup the command line
71 |
72 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
73 |
74 | @rem Execute Gradle
75 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
76 |
77 | :end
78 | @rem End local scope for the variables with windows NT shell
79 | if "%ERRORLEVEL%"=="0" goto mainEnd
80 |
81 | :fail
82 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
83 | rem the _cmd.exe /c_ return code!
84 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
85 | exit /b 1
86 |
87 | :mainEnd
88 | if "%OS%"=="Windows_NT" endlocal
89 |
90 | :omega
91 |
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/introduce/S60225-134045.jpg:
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https://raw.githubusercontent.com/wenhuaijun/KeywordsFlowView/fd0e5a71bc7b26d307703b25cfc0fd5bdc086ff3/introduce/S60225-134045.jpg
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/introduce/S60225-135726.jpg:
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https://raw.githubusercontent.com/wenhuaijun/KeywordsFlowView/fd0e5a71bc7b26d307703b25cfc0fd5bdc086ff3/introduce/S60225-135726.jpg
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/introduce/S60225-135738.jpg:
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https://raw.githubusercontent.com/wenhuaijun/KeywordsFlowView/fd0e5a71bc7b26d307703b25cfc0fd5bdc086ff3/introduce/S60225-135738.jpg
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/settings.gradle:
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1 | include ':app'
2 |
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