1 package com.gzcivil.utils;
2
3 import java.io.File;
4 import java.io.FileInputStream;
5 import java.io.FileOutputStream;
6 import java.io.InputStream;
7 import java.math.BigDecimal;
8 import java.text.DecimalFormat;
9 import java.util.List;
10 import java.util.UUID;
11
12 import android.app.ActivityManager;
13 import android.content.ActivityNotFoundException;
14 import android.content.Context;
15 import android.content.Intent;
16 import android.content.pm.PackageInfo;
17 import android.content.pm.PackageManager.NameNotFoundException;
18 import android.graphics.Bitmap;
19 import android.graphics.BitmapFactory;
20 import android.graphics.drawable.BitmapDrawable;
21 import android.graphics.drawable.Drawable;
22 import android.media.ThumbnailUtils;
23 import android.net.Uri;
24 import android.os.Environment;
25 import android.telephony.TelephonyManager;
26 import android.view.View;
27 import android.view.ViewGroup;
28 import android.widget.ImageView;
29 import android.widget.ListAdapter;
30 import android.widget.ListView;
31
32 import com.gzcivil.R;
33 import com.igexin.sdk.PushManager;
34
35 public class CommonUtil {
36
37 /**
38 * 回收ImageView图片
39 *
40 * @param imageView
41 */
42 public static synchronized void recycleImage(ImageView imageView) {
43 if (imageView == null)
44 return;
45 Drawable drawable = imageView.getDrawable();
46 recycleDrawable(drawable);
47 imageView.setImageBitmap(null);
48 }
49
50 /**
51 * 回收View背景图片
52 *
53 * @param view
54 */
55 @SuppressWarnings("deprecation")
56 public static synchronized void recycleBackground(View view) {
57 if (view == null)
58 return;
59 Drawable drawable = view.getBackground();
60 recycleDrawable(drawable);
61 view.setBackgroundDrawable(null);
62 }
63
64 /**
65 * 回收方法
66 */
67 private static void recycleDrawable(Drawable drawable) {
68 if (drawable != null && drawable instanceof BitmapDrawable) {
69 Bitmap bitmap = ((BitmapDrawable) drawable).getBitmap();
70 if (bitmap != null && !bitmap.isRecycled()) {
71 LogUtils.e(SysUtils.LOG_TAG, "图片回收了");
72 bitmap.recycle();
73 }
74 }
75 }
76
77 public static double getDirSize(File file) {
78 // 判断文件是否存在
79 if (file.exists()) {
80 // 如果是目录则递归计算其内容的总大小
81 if (file.isDirectory()) {
82 File[] children = file.listFiles();
83 double size = 0;
84 for (File f : children)
85 size += getDirSize(f);
86 return size;
87 } else {// 如果是文件则直接返回其大小,以“兆”为单位
88 return file.length();
89 }
90 } else {
91 return 0.0;
92 }
93 }
94
95 public static String FormetFileSize(double fileS) {// 转换文件大小
96 DecimalFormat df = new DecimalFormat("#.00");
97 String fileSizeString = "";
98 if (fileS < 1024) {
99 fileSizeString = "0.0" + "B";
100 } else if (fileS < 1048576) {
101 fileSizeString = df.format((double) fileS / 1024) + "K";
102 } else if (fileS < 1073741824) {
103 fileSizeString = df.format((double) fileS / 1048576) + "M";
104 } else {
105 fileSizeString = df.format((double) fileS / 1073741824) + "G";
106 }
107 return fileSizeString;
108 }
109
110 /*
111 * Java文件操作 获取文件扩展名
112 */
113 public static String getExtensionName(String filename) {
114 if ((filename != null) && (filename.length() > 0)) {
115 int dot = filename.lastIndexOf('.');
116 if ((dot > -1) && (dot < (filename.length() - 1))) {
117 return filename.substring(dot + 1);
118 }
119 }
120 return filename;
121 }
122
123 /*
124 * Java文件操作 获取不带扩展名的文件名
125 */
126 public static String getFileNameNoEx(String filename) {
127 if ((filename != null) && (filename.length() > 0)) {
128 int dot = filename.lastIndexOf('.');
129 if ((dot > -1) && (dot < (filename.length()))) {
130 return filename.substring(0, dot);
131 }
132 }
133 return filename;
134 }
135
136 public static void setListViewHeightBasedOnChildren(ListView listView) {
137 ListAdapter listAdapter = listView.getAdapter();
138 if (listAdapter == null) {
139 return;
140 }
141
142 int totalHeight = 0;
143 for (int i = 0; i < listAdapter.getCount(); i++) {
144 View listItem = listAdapter.getView(i, null, listView);
145 listItem.measure(0, 0);
146 totalHeight += listItem.getMeasuredHeight();
147 }
148
149 ViewGroup.LayoutParams params = listView.getLayoutParams();
150 params.height = totalHeight + (listView.getDividerHeight() * (listAdapter.getCount() - 1));
151 listView.setLayoutParams(params);
152 }
153
154 /**
155 * 检查是否存在SDCard
156 *
157 * @return
158 */
159 public static boolean hasSdcard() {
160 String state = Environment.getExternalStorageState();
161 if (state.equals(Environment.MEDIA_MOUNTED)) {
162 return true;
163 } else {
164 return false;
165 }
166 }
167
168 /**
169 * 四舍五入
170 *
171 * @param v
172 * @param scale
173 * 多少位
174 * @return
175 */
176 public static double decimalFormat(Float v, int scale) {
177 if (scale < 0) {
178 throw new IllegalArgumentException("The scale must be a positive integer or zero");
179 }
180 BigDecimal b = new BigDecimal(Double.toString(v));
181 BigDecimal one = new BigDecimal("1");
182 return b.divide(one, scale, BigDecimal.ROUND_HALF_UP).floatValue();
183 }
184
185 // 获取个推CID
186 public static String GetCid(Context context) {
187 return PushManager.getInstance().getClientid(context);
188 }
189
190 // 获取机器码
191 public static String GetMachineCode(Context context) {
192 String code = "";
193 final TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
194 final String tmDevice, tmSerial, androidId;
195 tmDevice = "" + tm.getDeviceId();
196 tmSerial = "" + tm.getSimSerialNumber();
197 androidId = "" + android.provider.Settings.Secure.getString(context.getContentResolver(), android.provider.Settings.Secure.ANDROID_ID);
198 UUID deviceUuid = new UUID(androidId.hashCode(), ((long) tmDevice.hashCode() << 32) | tmSerial.hashCode());
199 code = deviceUuid.toString();
200 return code;
201 }
202
203 /**
204 * 派单状态
205 *
206 * @param param
207 * @return
208 */
209 public static String getCheetStatus(String param) {
210 if (param == null || param.equals("")) {
211 return "";
212 }
213 String Status = "";
214 if (param == "00" || param.equals("00")) {
215 Status = "<font color='#e53c41'>未接</font>";
216 } else if (param == "01" || param.equals("01")) {
217 Status = "<font color='#e53c41'>执行中</font>";
218 } else if (param == "02" || param.equals("02")) {
219 Status = "<font color='#2ab823'>完成</font>";
220 } else if (param == "08" || param.equals("08")) {
221 Status = "<font color='#f13f1b'>终止</font>";
222 } else if (param == "09" || param.equals("09")) {
223 Status = "<font color='#f13f1b'>拒收</font>";
224 } else {
225 Status = "";
226 }
227 return Status;
228 }
229
230 /**
231 * 会议通知状态
232 *
233 * @param param
234 * @return
235 */
236 public static String getMeetStatus(String param) {
237 String Status = "";
238 if (param == null || param.equals("")) {
239 return Status;
240 }
241 if (param.equals("1")) {
242 Status = "<font color='#e53c41'>未接</font>";
243 } else if (param.equals("2")) {
244 Status = "<font color='#2ab823'>已同意</font>";
245 } else if (param.equals("3")) {
246 Status = "<font color='#f13f1b'>请假</font>";
247 }
248 return Status;
249 }
250
251 /**
252 * 检测应用程序 是否前台运行
253 *
254 * @param context
255 * @return
256 */
257 public static boolean isServiceStarted(Context context) {
258 boolean isStarted = false;
259 try {
260 ActivityManager mActivityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
261 int intGetTastCounter = 1000;
262 List<ActivityManager.RunningServiceInfo> mRunningService = mActivityManager.getRunningServices(intGetTastCounter);
263 for (ActivityManager.RunningServiceInfo amService : mRunningService) {
264 if (0 == amService.service.getPackageName().compareTo("com.msd.terminal")) {
265 isStarted = true;
266 break;
267 }
268 }
269 } catch (SecurityException e) {
270 e.printStackTrace();
271 }
272 return isStarted;
273 }
274
275 public static boolean isServiceRunning(Context mContext, String className) {
276 boolean isRunning = false;
277 ActivityManager activityManager = (ActivityManager) mContext.getSystemService(Context.ACTIVITY_SERVICE);
278 List<ActivityManager.RunningServiceInfo> serviceList = activityManager.getRunningServices(30);
279 if (!(serviceList.size() > 0)) {
280 return false;
281 }
282 for (int i = 0; i < serviceList.size(); i++) {
283 if (serviceList.get(i).service.getClassName().equals(className) == true) {
284 isRunning = true;
285 break;
286 }
287 }
288 return isRunning;
289 }
290
291 // 获取版本号
292 public static String getVersion(Context context) {
293 try {
294 PackageInfo pi = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
295 return pi.versionName;
296 } catch (NameNotFoundException e) {
297 e.printStackTrace();
298 return context.getString(R.string.version_unknown);
299 }
300 }
301
302 /** 保存方法 */
303 public static boolean saveBigImgToSmall(String bigImgPath, String smallImgPath, String smallImgName, int min) {
304
305 boolean flag = false;
306 try {
307 File lFile = new File(bigImgPath);
308 if (lFile.exists() && lFile.isFile()) {
309 InputStream is = new FileInputStream(bigImgPath);
310 Bitmap bitmap = BitmapFactory.decodeStream(is, null, getBitmapOption());
311 int w = bitmap.getWidth();
312 int h = bitmap.getHeight();
313 LogUtils.e(SysUtils.LOG_TAG, "压缩前：w = " + w + ", h = " + h);
314 if (min < 200) {
315 min = 200;
316 }
317 if (w > h) {
318 w = w * min / h;
319 h = min;
320 } else {
321 h = h * min / w;
322 w = min;
323 }
324 LogUtils.e(SysUtils.LOG_TAG, "压缩后：w = " + w + ", h = " + h);
325 // 压缩原图为小图显示
326 bitmap = ThumbnailUtils.extractThumbnail(bitmap, w, h, ThumbnailUtils.OPTIONS_RECYCLE_INPUT);
327 File f = new File(smallImgPath);
328 if (f.exists())
329 f.delete();
330 FileOutputStream out = new FileOutputStream(f);
331 flag = bitmap.compress(Bitmap.CompressFormat.PNG, 90, out);
332 out.flush();
333 out.close();
334 }
335 } catch (Exception e) {
336 e.printStackTrace();
337 }
338 return flag;
339 }
340
341 /**
342 * 获取Bitmap的读取参数
343 */
344 public static final BitmapFactory.Options getBitmapOption() {
345 BitmapFactory.Options opt = new BitmapFactory.Options();
346 opt.inPreferredConfig = Bitmap.Config.RGB_565;
347 opt.inPurgeable = true;
348 opt.inInputShareable = true;
349 return opt;
350 }
351
352 public static void openFile(Context context, File file) {
353 try {
354 Intent intent = new Intent();
355 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
356 // 设置intent的Action属性
357 intent.setAction(Intent.ACTION_VIEW);
358 // 获取文件file的MIME类型
359 String type = getMIMEType(file);
360 // 设置intent的data和Type属性。
361 intent.setDataAndType(Uri.fromFile(file), type);
362 // 跳转
363 context.startActivity(intent);
364 // Intent.createChooser(intent, "请选择对应的软件打开该附件！");
365 } catch (ActivityNotFoundException e) {
366 // TODO: handle exception
367 MyToast.showToast(context, "sorry附件不能打开，请下载相关软件！", 0);
368 }
369 }
370
371 private static String getMIMEType(File file) {
372
373 String type = "*/*";
374 String fName = file.getName();
375 // 获取后缀名前的分隔符"."在fName中的位置。
376 int dotIndex = fName.lastIndexOf(".");
377 if (dotIndex < 0) {
378 return type;
379 }
380 /* 获取文件的后缀名 */
381 String end = fName.substring(dotIndex, fName.length()).toLowerCase();
382 if (end == "")
383 return type;
384 // 在MIME和文件类型的匹配表中找到对应的MIME类型。
385 for (int i = 0; i < MIME_MapTable.length; i++) {
386
387 if (end.equals(MIME_MapTable[i][0]))
388 type = MIME_MapTable[i][1];
389 }
390 return type;
391 }
392
393 // 可以自己随意添加
394 private static String[][] MIME_MapTable = {
395 // {后缀名，MIME类型}
396 { ".3gp", "video/3gpp" }, { ".apk", "application/vnd.android.package-archive" }, { ".asf", "video/x-ms-asf" }, { ".avi", "video/x-msvideo" }, { ".bin", "application/octet-stream" }, { ".bmp", "image/bmp" }, { ".c", "text/plain" }, { ".class", "application/octet-stream" }, { ".conf", "text/plain" }, { ".cpp", "text/plain" }, { ".doc", "application/msword" }, { ".docx", "application/vnd.openxmlformats-officedocument.wordprocessingml.document" }, { ".xls", "application/vnd.ms-excel" }, { ".xlsx", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" }, { ".exe", "application/octet-stream" }, { ".gif", "image/gif" }, { ".gtar", "application/x-gtar" }, { ".gz", "application/x-gzip" }, { ".h", "text/plain" }, { ".htm", "text/html" }, { ".html", "text/html" },
397 { ".jar", "application/java-archive" }, { ".java", "text/plain" }, { ".jpeg", "image/jpeg" }, { ".jpg", "image/jpeg" }, { ".js", "application/x-javascript" }, { ".log", "text/plain" }, { ".m3u", "audio/x-mpegurl" }, { ".m4a", "audio/mp4a-latm" }, { ".m4b", "audio/mp4a-latm" }, { ".m4p", "audio/mp4a-latm" }, { ".m4u", "video/vnd.mpegurl" }, { ".m4v", "video/x-m4v" }, { ".mov", "video/quicktime" }, { ".mp2", "audio/x-mpeg" }, { ".mp3", "audio/x-mpeg" }, { ".mp4", "video/mp4" }, { ".mpc", "application/vnd.mpohun.certificate" }, { ".mpe", "video/mpeg" }, { ".mpeg", "video/mpeg" }, { ".mpg", "video/mpeg" }, { ".mpg4", "video/mp4" }, { ".mpga", "audio/mpeg" }, { ".msg", "application/vnd.ms-outlook" }, { ".ogg", "audio/ogg" }, { ".pdf", "application/pdf" }, { ".png", "image/png" },
398 { ".pps", "application/vnd.ms-powerpoint" }, { ".ppt", "application/vnd.ms-powerpoint" }, { ".pptx", "application/vnd.openxmlformats-officedocument.presentationml.presentation" }, { ".prop", "text/plain" }, { ".rc", "text/plain" }, { ".rmvb", "audio/x-pn-realaudio" }, { ".rtf", "application/rtf" }, { ".sh", "text/plain" }, { ".tar", "application/x-tar" }, { ".tgz", "application/x-compressed" }, { ".txt", "text/plain" }, { ".wav", "audio/x-wav" }, { ".wma", "audio/x-ms-wma" }, { ".wmv", "audio/x-ms-wmv" }, { ".wps", "application/vnd.ms-works" }, { ".xml", "text/plain" }, { ".z", "application/x-compress" }, { ".zip", "application/x-zip-compressed" }, { "", "*/*" } };
399
400 }
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