Android---工具類Utils(你想不到的完美)
阿新 • • 發佈:2019-02-20
給大家推薦一個工具類。
package com.aoss.main.util;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Field;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Locale;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.apache.http.conn.util.InetAddressUtils;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.graphics.Bitmap;
import android.graphics.Matrix;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.os.StatFs;
import android.telephony.TelephonyManager;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.TextUtils;
import android.text.format.DateFormat;
import android.text.style.ForegroundColorSpan;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.View;
import android.view.Window;
import android.view.inputmethod.InputMethodManager;
import android.widget.TextView;
/*
* framework工具�?
*/
public class Utils {
/** tag */
private static final String TAG = "Utils";
/**
* 安裝某個應用
*
* @param context
* @param apkFile
* @return
*/
public static boolean installApp(Context context, File apkFile) {
try {
context.startActivity(getInstallAppIntent(apkFile));
return true;
} catch (Exception e) {
Log.w(TAG, e);
}
return false;
}
/**
* 獲取安裝應用的Intent
*
* @param apkFile
* @return
*/
public static Intent getInstallAppIntent(File apkFile) {
if (apkFile == null || !apkFile.exists()) {
return null;
}
Utils.chmod("777", apkFile.getAbsolutePath());
Uri uri = Uri.fromFile(apkFile);
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.setDataAndType(uri, "application/vnd.android.package-archive");
return intent;
}
/**
* �?查某個包名的App是否已經安裝
*
* @param context
* @param packageName
* @return
*/
public static boolean hasAppInstalled(Context context, String packageName) {
try {
PackageManager packageManager = context.getPackageManager();
packageManager.getPackageInfo(packageName,
PackageManager.GET_ACTIVITIES);
} catch (Exception e) {
return false;
}
return true;
}
/**
* 根據包名啟動第三方App
*
* @param context
* @param packageName
* @return
*/
public static boolean launchAppByPackageName(Context context,
String packageName) {
if (TextUtils.isEmpty(packageName)) {
return false;
}
try {
Intent intent = context.getPackageManager()
.getLaunchIntentForPackage(packageName);
if (intent != null) {
context.startActivity(intent);
return true;
}
} catch (Exception e) {
Log.w(TAG, e);
}
return false;
}
public static String getAssetsFie(Context context, String name)
throws IOException {
InputStream is = context.getAssets().open(name);
int size = is.available();
// Read the entire asset into a local byte buffer.
byte[] buffer = new byte[size];
is.read(buffer);
is.close();
String content = new String(buffer, "UTF-8");
return content;
}
/**
* 是否為wifi連線狀�??
*
* @param context
* @return
*/
public static boolean isWifiConnect(Context context) {
ConnectivityManager connectivitymanager = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo networkinfo = connectivitymanager.getActiveNetworkInfo();
if (networkinfo != null) {
if ("wifi".equals(networkinfo.getTypeName().toLowerCase(Locale.US))) {
return true;
}
}
return false;
}
/**
* 是否有網路連�?
*
* @param context
* @return
*/
public static boolean isNetConnect(Context context) {
ConnectivityManager connectivitymanager = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo networkinfo = connectivitymanager.getActiveNetworkInfo();
return networkinfo != null;
}
/**
* 獲取許可權
*
* @param permission
* 許可權
* @param path
* 檔案路徑
*/
public static void chmod(String permission, String path) {
try {
String command = "chmod " + permission + " " + path;
Runtime runtime = Runtime.getRuntime();
runtime.exec(command);
} catch (IOException e) {
Log.e(TAG, "chmod", e);
}
}
/**
* 是否安裝了sdcard�?
*
* @return true表示有,false表示沒有
*/
public static boolean haveSDCard() {
if (android.os.Environment.getExternalStorageState().equals(
android.os.Environment.MEDIA_MOUNTED)) {
return true;
}
return false;
}
/**
* 獲取系統內部可用空間大小
*
* @return available size
*/
public static long getSystemAvailableSize() {
File root = Environment.getRootDirectory();
StatFs sf = new StatFs(root.getPath());
long blockSize = sf.getBlockSize();
long availCount = sf.getAvailableBlocks();
return availCount * blockSize;
}
/**
* 獲取sd卡可用空間大�?
*
* @return available size
*/
public static long getSDCardAvailableSize() {
long available = 0;
if (haveSDCard()) {
File path = Environment.getExternalStorageDirectory();
StatFs statfs = new StatFs(path.getPath());
long blocSize = statfs.getBlockSize();
long availaBlock = statfs.getAvailableBlocks();
available = availaBlock * blocSize;
} else {
available = -1;
}
return available;
}
/**
* 獲取application層級的metadata
*
* @param context
* @param key
* @return
*/
public static String getApplicationMetaData(Context context, String key) {
try {
Object metaObj = context.getPackageManager().getApplicationInfo(
context.getPackageName(), PackageManager.GET_META_DATA).metaData
.get(key);
if (metaObj instanceof String) {
return metaObj.toString();
} else if (metaObj instanceof Integer) {
return ((Integer) metaObj).intValue() + "";
} else if (metaObj instanceof Boolean) {
return ((Boolean) metaObj).booleanValue() + "";
}
} catch (NameNotFoundException e) {
Log.w(TAG, e);
}
return "";
}
/**
* 獲取版本�?
*
* @param context
* @return
*/
public static String getVersionName(Context context) {
try {
return context.getPackageManager().getPackageInfo(
context.getPackageName(), 0).versionName;
} catch (NameNotFoundException e) {
Log.w(TAG, e);
}
return null;
}
/**
* 獲取版本�?
*
* @param context
* @return
*/
public static int getVersionCode(Context context) {
try {
return context.getPackageManager().getPackageInfo(
context.getPackageName(), 0).versionCode;
} catch (NameNotFoundException e) {
Log.w(TAG, e);
}
return 0;
}
/**
* 將px值轉換為dip或dp值,保證尺寸大小不變
*
* @param pxValue
* @param scale
* (DisplayMetrics類中屬�?�density�?
* @return
*/
public static int px2dip(Context context, float pxValue) {
float scale = context.getResources().getDisplayMetrics().density;
return (int) (pxValue / scale + 0.5f);
}
/**
* 將dip或dp值轉換為px值,保證尺寸大小不變
*
* @param dipValue
* @param scale
* (DisplayMetrics類中屬�?�density�?
* @return
*/
public static int dip2px(Context context, float dipValue) {
float scale = context.getResources().getDisplayMetrics().density;
return (int) (dipValue * scale + 0.5f);
}
/**
* 將px值轉換為sp值,保證文字大小不變
*
* @param pxValue
* @param fontScale
* (DisplayMetrics類中屬�?�scaledDensity�?
* @return
*/
public static int px2sp(Context context, float pxValue) {
float fontScale = context.getResources().getDisplayMetrics().scaledDensity;
return (int) (pxValue / fontScale + 0.5f);
}
/**
* 將sp值轉換為px值,保證文字大小不變
*
* @param spValue
* @param fontScale
* (DisplayMetrics類中屬�?�scaledDensity�?
* @return
*/
public static int sp2px(Context context, float spValue) {
float fontScale = context.getResources().getDisplayMetrics().scaledDensity;
return (int) (spValue * fontScale + 0.5f);
}
/**
* 隱藏鍵盤
*
* @param activity
* activity
*/
public static void hideInputMethod(Activity activity) {
hideInputMethod(activity, activity.getCurrentFocus());
}
/**
* 隱藏鍵盤
*
* @param context
* context
* @param view
* The currently focused view
*/
public static void hideInputMethod(Context context, View view) {
if (context == null || view == null) {
return;
}
InputMethodManager imm = (InputMethodManager) context
.getSystemService(Context.INPUT_METHOD_SERVICE);
if (imm != null) {
imm.hideSoftInputFromWindow(view.getWindowToken(), 0);
}
}
/**
* 顯示輸入鍵盤
*
* @param context
* context
* @param view
* The currently focused view, which would like to receive soft
* keyboard input
*/
public static void showInputMethod(Context context, View view) {
if (context == null || view == null) {
return;
}
InputMethodManager imm = (InputMethodManager) context
.getSystemService(Context.INPUT_METHOD_SERVICE);
if (imm != null) {
imm.showSoftInput(view, 0);
}
}
/**
* Bitmap縮放,注意源Bitmap在縮放後將會被回收�??
*
* @param origin
* @param width
* @param height
* @return
*/
public static Bitmap getScaleBitmap(Bitmap origin, int width, int height) {
float originWidth = origin.getWidth();
float originHeight = origin.getHeight();
Matrix matrix = new Matrix();
float scaleWidth = ((float) width) / originWidth;
float scaleHeight = ((float) height) / originHeight;
matrix.postScale(scaleWidth, scaleHeight);
Bitmap scale = Bitmap.createBitmap(origin, 0, 0, (int) originWidth,
(int) originHeight, matrix, true);
origin.recycle();
return scale;
}
/**
* 計算某一時間與現在時間間隔的文字提示
*/
public static String countTimeIntervalText(long time) {
long dTime = System.currentTimeMillis() - time;
// 15分鐘
if (dTime < 15 * 60 * 1000) {
return "剛剛";
} else if (dTime < 60 * 60 * 1000) {
// �?小時
return "�?小時�?";
} else if (dTime < 24 * 60 * 60 * 1000) {
return (int) (dTime / (60 * 60 * 1000)) + "小時�?";
} else {
return DateFormat.format("MM-dd kk:mm", System.currentTimeMillis())
.toString();
}
}
/**
* 獲取通知欄高�?
*
* @param context
* @return
*/
public static int getStatusBarHeight(Context context) {
int x = 0, statusBarHeight = 0;
try {
Class<?> c = Class.forName("com.android.internal.R$dimen");
Object obj = c.newInstance();
Field field = c.getField("status_bar_height");
x = Integer.parseInt(field.get(obj).toString());
statusBarHeight = context.getResources().getDimensionPixelSize(x);
} catch (Exception e1) {
e1.printStackTrace();
}
return statusBarHeight;
}
/**
* 獲取標題欄高�?
*
* @param context
* @return
*/
public static int getTitleBarHeight(Activity context) {
int contentTop = context.getWindow()
.findViewById(Window.ID_ANDROID_CONTENT).getTop();
return contentTop - getStatusBarHeight(context);
}
/**
* 獲取螢幕寬度,px
*
* @param context
* @return
*/
public static float getScreenWidth(Context context) {
DisplayMetrics dm = context.getResources().getDisplayMetrics();
return dm.widthPixels;
}
/**
* 獲取螢幕高度,px
*
* @param context
* @return
*/
public static float getScreenHeight(Context context) {
DisplayMetrics dm = context.getResources().getDisplayMetrics();
return dm.heightPixels;
}
/**
* 獲取螢幕畫素密度
*
* @param context
* @return
*/
public static float getDensity(Context context) {
DisplayMetrics dm = context.getResources().getDisplayMetrics();
return dm.density;
}
/**
* 獲取scaledDensity
*
* @param context
* @return
*/
public static float getScaledDensity(Context context) {
DisplayMetrics dm = context.getResources().getDisplayMetrics();
return dm.scaledDensity;
}
/**
* 獲取當前小時分鐘�?24小時�?
*
* @return
*/
public static String getTime24Hours() {
SimpleDateFormat formatter = new SimpleDateFormat("HH:mm", Locale.CHINA);
Date curDate = new Date(System.currentTimeMillis());// 獲取當前時間
return formatter.format(curDate);
}
/**
* 獲取電池電量,0~1
*
* @param context
* @return
*/
@SuppressWarnings("unused")
public static float getBattery(Context context) {
Intent batteryInfoIntent = context.getApplicationContext()
.registerReceiver(null,
new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
int status = batteryInfoIntent.getIntExtra("status", 0);
int health = batteryInfoIntent.getIntExtra("health", 1);
boolean present = batteryInfoIntent.getBooleanExtra("present", false);
int level = batteryInfoIntent.getIntExtra("level", 0);
int scale = batteryInfoIntent.getIntExtra("scale", 0);
int plugged = batteryInfoIntent.getIntExtra("plugged", 0);
int voltage = batteryInfoIntent.getIntExtra("voltage", 0);
int temperature = batteryInfoIntent.getIntExtra("temperature", 0); // 溫度的單位是10�?
String technology = batteryInfoIntent.getStringExtra("technology");
return ((float) level) / scale;
}
/**
* 獲取手機名稱
*
* @return
*/
public static String getMobileName() {
return android.os.Build.MANUFACTURER + " " + android.os.Build.MODEL;
}
/**
* 是否安裝了sdcard�?
*
* @return true表示有,false表示沒有
*/
public static boolean hasSDCard() {
if (android.os.Environment.getExternalStorageState().equals(
android.os.Environment.MEDIA_MOUNTED)) {
return true;
}
return false;
}
/**
* 獲取sd卡可用空�?
*
* @return available size
*/
public static long getAvailableExternalSize() {
long available = 0;
if (hasSDCard()) {
File path = Environment.getExternalStorageDirectory();
StatFs statfs = new StatFs(path.getPath());
long blocSize = statfs.getBlockSize();
long availaBlock = statfs.getAvailableBlocks();
available = availaBlock * blocSize;
} else {
available = -1;
}
return available;
}
/**
* 獲取記憶體可用空間
*
* @return available size
*/
public static long getAvailableInternalSize() {
long available = 0;
if (hasSDCard()) {
File path = Environment.getRootDirectory();
StatFs statfs = new StatFs(path.getPath());
long blocSize = statfs.getBlockSize();
long availaBlock = statfs.getAvailableBlocks();
available = availaBlock * blocSize;
} else {
available = -1;
}
return available;
}
/*
* 版本控制部分
*/
/**
* 是否�?2.2版本及以�?
*
* @return
*/
public static boolean hasFroyo() {
return Build.VERSION.SDK_INT >= Build.VERSION_CODES.FROYO;
}
/**
* 是否�?2.3版本及以�?
*
* @return
*/
public static boolean hasGingerbread() {
return Build.VERSION.SDK_INT >= Build.VERSION_CODES.GINGERBREAD;
}
/**
* 是否�?3.0版本及以�?
*
* @return
*/
public static boolean hasHoneycomb() {
return Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB;
}
/**
* 是否�?3.1版本及以�?
*
* @return
*/
public static boolean hasHoneycombMR1() {
return Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR1;
}
/**
* 是否�?4.1版本及以�?
*
* @return
*/
public static boolean hasJellyBean() {
return Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN;
}
public static String getPhoneType() {
String phoneType = android.os.Build.MODEL;
Log.d(TAG, "phoneType is : " + phoneType);
return phoneType;
}
/**
* 獲取系統版本�?
*
* @return
*/
public static String getOsVersion() {
String osversion;
int osversion_int = getOsVersionInt();
osversion = osversion_int + "";
return osversion;
}
/**
* 獲取系統版本�?
*
* @return
*/
public static int getOsVersionInt() {
return Build.VERSION.SDK_INT;
}
/**
* 獲取ip地址
*
* @return
*/
public static String getHostIp() {
try {
for (Enumeration<NetworkInterface> en = NetworkInterface
.getNetworkInterfaces(); en.hasMoreElements();) {
NetworkInterface intf = en.nextElement();
for (Enumeration<InetAddress> enumIpAddr = intf
.getInetAddresses(); enumIpAddr.hasMoreElements();) {
InetAddress inetAddress = enumIpAddr.nextElement();
if (!inetAddress.isLoopbackAddress()
&& InetAddressUtils.isIPv4Address(inetAddress
.getHostAddress())) {
if (!inetAddress.getHostAddress().toString()
.equals("null")
&& inetAddress.getHostAddress() != null) {
return inetAddress.getHostAddress().toString()
.trim();
}
}
}
}
} catch (Exception ex) {
Log.e("WifiPreference IpAddress", ex.toString());
}
return "";
}
/**
* 獲取手機號,幾乎獲取不到
*
* @param context
* @return
*/
public static String getPhoneNum(Context context) {
TelephonyManager mTelephonyMgr = (TelephonyManager) context
.getApplicationContext().getSystemService(
Context.TELEPHONY_SERVICE);
String phoneNum = mTelephonyMgr.getLine1Number();
return TextUtils.isEmpty(phoneNum) ? "" : phoneNum;
}
/**
* 獲取imei�?
*
* @param context
* @return
*/
public static String getPhoneImei(Context context) {
TelephonyManager mTelephonyMgr = (TelephonyManager) context
.getApplicationContext().getSystemService(
Context.TELEPHONY_SERVICE);
String phoneImei = mTelephonyMgr.getDeviceId();
Log.d(TAG, "IMEI is : " + phoneImei);
return TextUtils.isEmpty(phoneImei) ? "" : phoneImei;
}
/**
* 獲取imsi�?
*
* @param context
* @return
*/
public static String getPhoneImsi(Context context) {
TelephonyManager mTelephonyMgr = (TelephonyManager) context
.getApplicationContext().getSystemService(
Context.TELEPHONY_SERVICE);
String phoneImsi = mTelephonyMgr.getSubscriberId();
Log.d(TAG, "IMSI is : " + phoneImsi);
return TextUtils.isEmpty(phoneImsi) ? "" : phoneImsi;
}
/**
* 獲取mac地址
*
* @return
*/
public static String getLocalMacAddress() {
String Mac = null;
try {
String path = "sys/class/net/wlan0/address";
if ((new File(path)).exists()) {
FileInputStream fis = new FileInputStream(path);
byte[] buffer = new byte[8192];
int byteCount = fis.read(buffer);
if (byteCount > 0) {
Mac = new String(buffer, 0, byteCount, "utf-8");
}
fis.close();
}
if (Mac == null || Mac.length() == 0) {
path = "sys/class/net/eth0/address";
FileInputStream fis = new FileInputStream(path);
byte[] buffer_name = new byte[8192];
int byteCount_name = fis.read(buffer_name);
if (byteCount_name > 0) {
Mac = new String(buffer_name, 0, byteCount_name, "utf-8");
}
fis.close();
}
if (Mac == null || Mac.length() == 0) {
return "";
} else if (Mac.endsWith("\n")) {
Mac = Mac.substring(0, Mac.length() - 1);
}
} catch (Exception io) {
Log.w(TAG, "Exception", io);
}
return TextUtils.isEmpty(Mac) ? "" : Mac;
}
/**
* 獲取重複欄位�?多的個數
*
* @param s
* @return
*/
public static int getRepeatTimes(String s) {
if (TextUtils.isEmpty(s)) {
return 0;
}
int mCount = 0;
char[] mChars = s.toCharArray();
HashMap<Character, Integer> map = new HashMap<Character, Integer>();
for (int i = 0; i < mChars.length; i++) {
char key = mChars[i];
Integer value = map.get(key);
int count = value == null ? 0 : value.intValue();
map.put(key, ++count);
if (mCount < count) {
mCount = count;
}
}
return mCount;
}
/**
* �?單判斷是否為手機號碼
*
* @param num
* @return
*/
public static boolean isPhoneNum(String num) {
// 確保每一位都是數�?
return !TextUtils.isEmpty(num) && num.matches("1[0-9]{10}")
&& !isRepeatedStr(num) && !isContinuousNum(num);
}
/**
* 判斷是否400服務程式碼
*
* @param num
* @return
*/
public static boolean is400or800(String num) {
return !TextUtils.isEmpty(num)
&& (num.startsWith("400") || num.startsWith("800"))
&& num.length() == 10;
}
/**
* 判斷是否區域號碼
*
* @param num
* @return
*/
public static boolean isAdCode(String num) {
return !TextUtils.isEmpty(num) && num.matches("[0]{1}[0-9]{2,3}")
&& !isRepeatedStr(num);
}
/**
* 判斷是否座機號碼
*
* @param num
* @return
*/
public static boolean isPhoneHome(String num) {
return !TextUtils.isEmpty(num) && num.matches("[0-9]{7,8}")
&& !isRepeatedStr(num);
}
/**
* 判斷是否為重複字串
*
* @param str
* ,需要檢查的字元�?
*/
public static boolean isRepeatedStr(String str) {
if (TextUtils.isEmpty(str)) {
return false;
}
int len = str.length();
if (len <= 1) {
return false;
} else {
char firstChar = str.charAt(0);// 第一個字�?
for (int i = 1; i < len; i++) {
char nextChar = str.charAt(i);// 第i個字�?
if (firstChar != nextChar) {
return false;
}
}
return true;
}
}
/**
* 判斷字串是否為連續數字 45678901�?
*/
public static boolean isContinuousNum(String str) {
if (TextUtils.isEmpty(str))
return false;
if (!isNumbericString(str))
return true;
int len = str.length();
for (int i = 0; i < len - 1; i++) {
char curChar = str.charAt(i);
char verifyChar = (char) (curChar + 1);
if (curChar == '9')
verifyChar = '0';
char nextChar = str.charAt(i + 1);
if (nextChar != verifyChar) {
return false;
}
}
return true;
}
/**
* 判斷字串是否為連續字母 xyZaBcd�?
*/
public static boolean isContinuousWord(String str) {
if (TextUtils.isEmpty(str))
return false;
if (!isAlphaBetaString(str))
return true;
int len = str.length();
String local = str.toLowerCase();
for (int i = 0; i < len - 1; i++) {
char curChar = local.charAt(i);
char verifyChar = (char) (curChar + 1);
if (curChar == 'z')
verifyChar = 'a';
char nextChar = local.charAt(i + 1);
if (nextChar != verifyChar) {
return false;
}
}
return true;
}
/**
* 判斷是否為純數字
*
* @param str
* ,需要檢查的字元�?
*/
public static boolean isNumbericString(String str) {
if (TextUtils.isEmpty(str)) {
return false;
}
Pattern p = Pattern.compile("^[0-9]+$");// 從開頭到結尾必須全部為數�?
Matcher m = p.matcher(str);
return m.find();
}
/**
* 判斷是否為純字母
*
* @param str
* @return
*/
public static boolean isAlphaBetaString(String str) {
if (TextUtils.isEmpty(str)) {
return false;
}
Pattern p = Pattern.compile("^[a-zA-Z]+$");// 從開頭到結尾必須全部為字母或者數�?
Matcher m = p.matcher(str);
return m.find();
}
/**
* 判斷是否為純字母或數�?
*
* @param str
* @return
*/
public static boolean isAlphaBetaNumbericString(String str) {
if (TextUtils.isEmpty(str)) {
return false;
}
Pattern p = Pattern.compile("^[a-zA-Z0-9]+$");// 從開頭到結尾必須全部為字母或者數�?
Matcher m = p.matcher(str);
return m.find();
}
private static String regEx = "[\u4e00-\u9fa5]";
private static Pattern pat = Pattern.compile(regEx);
/**
* 判斷是否包含中文
*
* @param str
* @return
*/
public static boolean isContainsChinese(String str) {
return pat.matcher(str).find();
}
public static boolean patternMatcher(String pattern, String input) {
if (TextUtils.isEmpty(pattern) || TextUtils.isEmpty(input)) {
return false;
}
Pattern pat = Pattern.compile(pattern);
Matcher matcher = pat.matcher(input);
return matcher.find();
}
/****************************************************************************/
// import PPutils
private static int id = 1;
public static int getNextId() {
return id++;
}
/**
* 將輸入流轉為位元組陣列
*
* @param inStream
* @return
* @throws Exception
*/
public static byte[] read2Byte(InputStream inStream) throws Exception {
ByteArrayOutputStream outSteam = new ByteArrayOutputStream();
byte[] buffer = new byte[1024];
int len = 0;
while ((len = inStream.read(buffer)) != -1) {
outSteam.write(buffer, 0, len);
}
outSteam.close();
inStream.close();
return outSteam.toByteArray();
}
/**
* 判斷是否符合月和年的過期時間規則
*
* @param date
* @return
*/
public static boolean isMMYY(String date) {
try {
if (!TextUtils.isEmpty(date) && date.length() == 4) {
int mm = Integer.parseInt(date.substring(0, 2));
return mm > 0 && mm < 13;
}
} catch (Exception e) {
Log.e(TAG, "Exception", e);
}
return false;
}
/**
* 20120506 共八位,前四�?-年,中間兩位-月,�?後兩�?-�?
*
* @param date
* @return
*/
public static boolean isRealDate(String date, int yearlen) {
// if(yearlen != 2 && yearlen != 4)
// return false;
int len = 4 + yearlen;
if (date == null || date.length() != len)
return false;
if (!date.matches("[0-9]+"))
return false;
int year = Integer.parseInt(date.substring(0, yearlen));
int month = Integer.parseInt(date.substring(yearlen, yearlen + 2));
int day = Integer.parseInt(date.substring(yearlen + 2, yearlen + 4));
if (year <= 0)
return false;
if (month <= 0 || month > 12)
return false;
if (day &