加載pdf
https://blog.csdn.net/duke618/article/details/82661466

Android 和h5交互
https://www.cnblogs.com/huihuizhang/p/8794377.html

Activity 使用另一個(gè)Activity 里的方法
https://www.jianshu.com/p/4807e50b316d

掃碼
https://blog.csdn.net/yuzhiqiang_1993/article/details/52805057

時(shí)間戳
https://www.cnblogs.com/dava/p/6416648.html

https://hndeveloper.github.io/2017/github-android-ui.html#DownloadView這個(gè)不錯(cuò)呀

下載
https://blog.csdn.net/chaoyu168/article/details/53787157

隨機(jī)數(shù)
https://blog.csdn.net/xinpengfei521/article/details/72810890

瀏覽器下載
https://blog.csdn.net/yingtian648/article/details/79128663/

ScrollView + ListView
https://blog.csdn.net/Falcon2000/article/details/83716756

SharePreferences
https://blog.csdn.net/BoomLei/article/details/80914723

webView攔截url
https://blog.csdn.net/Juns_619930524/article/details/76046322

https://blog.csdn.net/zxc024000/article/details/90298159

比對(duì)工具
Beyond Compare

gridview 和scrollview嵌套
https://www.cnblogs.com/awkflf11/p/5061981.html

BadgeView (徽章控件)

微信登錄
https://blog.csdn.net/u014078990/article/details/83752223

glide 圓形圖
https://blog.csdn.net/jiaosheng1/article/details/91972559
https://www.jianshu.com/p/76bc9642b207

TextView超出某個(gè)字?jǐn)?shù)限制后顯示省略號(hào)
https://blog.csdn.net/Sky_327/article/details/103696970

自定義gridView仿頭條頻道拖動(dòng)管理
https://blog.csdn.net/u014763302/article/details/103682923

android自定義view系列之仿滴滴大頭針效果
https://blog.csdn.net/MingJieZuo/article/details/103686725

WebView添加Header
https://blog.csdn.net/qugengting/article/details/95636121

webview緩存
https://www.jianshu.com/p/6575304281a1

Android 驗(yàn)證碼輸入框
https://www.jianshu.com/p/3238a5afc21c

極光
https://blog.csdn.net/qq_39716839/article/details/80939321

popwindow
https://blog.csdn.net/PZ0605/article/details/23654825

arr 導(dǎo)入問題
https://blog.csdn.net/runstoppable/article/details/72743888?utm_medium=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-1.nonecase&depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-1.nonecase

打包沖突
https://www.jianshu.com/p/89c732e1c8a8

混淆
https://www.jianshu.com/p/a8a2e3f1ca60

webview 加載網(wǎng)頁只有聲音沒有圖像
https://www.cnblogs.com/qianyukun/p/4792533.html

webview返回
https://www.jianshu.com/p/654ecec54cb0

圖片選擇器
https://blog.csdn.net/u010356768/article/details/79026565
https://blog.csdn.net/u010356768/article/details/83783623

glide 圖片加載自適應(yīng)寬高
https://www.jianshu.com/p/d174f21e606d

listview中播放視頻
https://www.it610.com/article/1292111724962455552.htm

七牛上傳視頻后的封面圖
https://blog.csdn.net/qq379682421/article/details/88909887

圖片全屏預(yù)覽
https://www.jianshu.com/p/188be22e1306

頭像重疊
https://www.jianshu.com/p/c1375c62f9c3

多圖顯示
https://blog.csdn.net/lv_fq/article/details/77800928

8.0透明度問題
https://cloud.tencent.com/developer/article/1175324

fragment監(jiān)聽返回鍵
https://blog.csdn.net/jifenglie/article/details/86573135

AS誤刪除的文件找回
https://blog.csdn.net/djyjava/article/details/52151317

Webview 重定向和 net::ERR_UNKNOWN_URL_SCHEME 解析及解決方案
https://blog.csdn.net/qq_41188773/article/details/89669354

android webview中視頻播放及全屏
https://www.jianshu.com/p/54ac34790db0

WebView 跨域訪問Cookie身份認(rèn)證丟失
http://www.45fan.com/article.php？aid=19111422767224954623278517

RecyclerView 橫向滑動(dòng)
https://blog.csdn.net/qq_30730419/article/details/108400746

漸變
https://blog.csdn.net/chengxu_kuangrexintu/article/details/78543602

BaseQuickAdapter多布局
https://blog.csdn.net/qq_36487432/article/details/91983614

android純Java代碼顏色漸變
https://blog.csdn.net/NakajimaFN/article/details/82669585?utm_medium=distribute.pc_relevant_download.none-task-blog-blogcommendfrombaidu-2.nonecase&depth_1-utm_source=distribute.pc_relevant_download.none-task-blog-blogcommendfrombaidu-2.nonecas

android 快速點(diǎn)擊兩次出現(xiàn)兩個(gè)重復(fù)界面
https://blog.csdn.net/weixin_37438128/article/details/106798051

GradientDrawable drawable = (GradientDrawable) lin.getBackground();
drawable.setStroke(4, Color.parseColor(“#ffffff”));//設(shè)置邊框的寬度和顏色
drawable.setCornerRadius(5);//圓角
lin.setElevation(5);//陰影
lin.setTranslationZ(5);
img.setElevation(5);
img.setTranslationZ(5);

點(diǎn)贊
https://blog.csdn.net/yun382657988/article/details/83339852

PhotoView
https://blog.csdn.net/feng___chen/article/details/100746273

https://blog.csdn.net/qq_31683033/article/details/101011834

文字下劃線

popwindow動(dòng)畫
https://www.jianshu.com/p/1a009b964d00

BottomDialog
https://github.com/shaohui10086/BottomDialog/blob/master/README_ZH.md

虛線框
https://blog.csdn.net/devilnov/article/details/76177813

引導(dǎo)層框架–NewbieGuide
https://blog.csdn.net/lixinxiaos/article/details/97376027

獲取剪切板

題庫公式
https://blog.csdn.net/u010257931/article/details/84028158

圖文混排
https://blog.csdn.net/yang_cai_bin/article/details/117131658
https://blog.csdn.net/qq_30548105/article/details/78031347

textview 標(biāo)簽
https://blog.csdn.net/aprilqq/article/details/52244308

獲取網(wǎng)頁里的圖片
依賴
implementation ‘org.jsoup:jsoup:1.10.3’

Installed Build Tools revision 31.0.0 is corrupted. Remove and install again
解決辦法：
https://stackoverflow.com/questions/68387270/android-studio-error-installed-build-tools-revision-31-0-0-is-corrupted

關(guān)鍵字變色
https://blog.51cto.com/u_14368928/5237827

Glide加載靜態(tài)圖片時(shí)有動(dòng)態(tài)placeholder
https://blog.csdn.net/jinrumorijuesha/article/details/89206164

獲取IP地址、地址
https://www.cnblogs.com/wang95529/p/14235372.html

new Thread(new Runnable() {
@Override
public void run() {
URL infoUrl = null;
InputStream inStream = null;
String line = “”;
try {
infoUrl = new URL(“http://pv.sohu.com/cityjson?ie=utf-8”);
URLConnection connection = infoUrl.openConnection();
HttpURLConnection httpConnection = (HttpURLConnection) connection;
int responseCode = httpConnection.getResponseCode();
if (responseCode == HttpURLConnection.HTTP_OK) {
inStream = httpConnection.getInputStream();
BufferedReader reader = new BufferedReader(new InputStreamReader(inStream, “utf-8”));
StringBuilder strber = new StringBuilder();
while ((line = reader.readLine()) != null)
strber.append(line + “\n”);
inStream.close();
// 從反饋的結(jié)果中提取出IP地址
int start = strber.indexOf(“{”);
int end = strber.indexOf(“}”);
String json = strber.substring(start, end + 1);
if (json != null) {
try {
JSONObject jsonObject = new JSONObject(json);
line = jsonObject.optString(“cip”);
ipcity = AddressUtils.getCity(line);