package com.info.sn.utils; import android.annotation.SuppressLint; import android.app.admin.DevicePolicyManager; import android.content.ActivityNotFoundException; import android.content.ComponentName; import android.content.Context; import android.content.Intent; import android.content.SharedPreferences; import android.content.pm.ApplicationInfo; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; import android.content.pm.PackageManager.NameNotFoundException; import android.content.pm.ResolveInfo; import android.content.res.Resources; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.Paint; import android.graphics.PorterDuff; import android.graphics.PorterDuffXfermode; import android.net.ConnectivityManager; import android.net.NetworkInfo; import android.net.Uri; import android.net.wifi.WifiInfo; import android.net.wifi.WifiManager; import android.os.Build; import android.provider.Settings; import android.telephony.TelephonyManager; import android.text.TextUtils; import android.util.Log; import android.view.MotionEvent; import android.view.View; import android.view.inputmethod.InputMethodManager; import android.widget.EditText; import android.widget.Toast; import com.google.zxing.BarcodeFormat; import com.google.zxing.EncodeHintType; import com.google.zxing.WriterException; import com.google.zxing.common.BitMatrix; import com.google.zxing.qrcode.QRCodeWriter; import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel; import com.info.sn.MyApplication; import com.info.sn.R; import java.io.FileReader; import java.io.InputStreamReader; import java.io.LineNumberReader; import java.io.Reader; import java.lang.reflect.Method; import java.net.NetworkInterface; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Collections; import java.util.Date; import java.util.HashMap; import java.util.List; import java.util.Map; public class Utils { public static final String PACKAGE = "appstore"; public static final String DOWNLOAD_STARTALL_ACTION = PACKAGE + "_startall"; // 开始所有任务 public static final String DOWNLOAD_DELETE_UPDATE_ACTION = PACKAGE + "_download_update_delete"; // 删除应用更新文件 public static final String DOWNLOAD_DELETEALL_ACTION = PACKAGE + "_deleteall_alltask"; // 删除所有任务 public static final String DOWNLOAD_ALLTASK_ACTION = PACKAGE + "_download_alltask"; // 获取所有任务 public static final String DOWNLOAD_START_ACTION = PACKAGE + "_download_start"; // 下载标识 public static final String DOWNLOAD_STOP_ACTION = PACKAGE + "_download_stop"; // 暂停标识 public static final String DOWNLOAD_DELETE_PACKAGENAME_ACTION = PACKAGE + "_download_packagename_delete"; // 删除标识 根据包名 public static final String DOWNLOAD_DELETE_URL_ACTION = PACKAGE + "_download_url_delete"; // 删除标识 根据下载地址 public static final String DOWNLOAD_INITIALIZE_ACTION = PACKAGE + "_download_initialize"; // item初始化状态 public static final String DOWNLOAD_PACKAGENAME_ACTION = PACKAGE + "_download_packagename"; // item初始化状态 包名 public static final String DOWNLOAD_SERVICE_ACTION = PACKAGE + "_download_service"; // 下载状态回调服务 public static final String DOWNLOAD_ALLSERVICE_ACTION = PACKAGE + "_download_allservice"; // 返回所有下载任务 public static final String DOWNLOAD_NEWSERVICE_ACTION = PACKAGE + "_download_newservice"; // 一个新的下载任务 // JPush 推送消息 public static final String MESSAGE_RECEIVED_ACTION = "com.appstore.jpushdemo.MESSAGE_RECEIVED_ACTION"; public static final String KEY_TITLE = "title"; // 消息标题 public static final String KEY_MESSAGE = "message"; // 消息内容 public static final String KEY_EXTRAS = "extras"; // 消息内容类型 public static final String KEY_TYPE = "type"; // 消息内容类型 public static final String ACTION_PACKAGE_REPLACED = PACKAGE + "PACKAGE_REPLACED"; // 替换应用 public static final String ACTION_PACKAGE_REMOVED = PACKAGE + "PACKAGE_REMOVED"; // 卸载应用 public static final String ACTION_PACKAGE_ADDED = PACKAGE + "PACKAGE_ADDED"; // 安装应用 // public static int[] babyImage = {R.drawable.language, R.drawable.habit, R.drawable.knowledge, R.drawable.security, R.drawable.promotion}; // public static int[] childImage = {R.drawable.yuwen, R.drawable.shuxue, R.drawable.yingyu, R.drawable.qingshang, R.drawable.yishu, R.drawable.promotion}; // public static int[] youngImage = {R.drawable.yuwen, R.drawable.shuxue, R.drawable.yingyu, R.drawable.promotion}; // 学习日志上传标识 public static final String APP_LRARNLOG = "com.colorflykids.alarm"; // 学习日志下载标识 public static final String APP_DOWNLOADLEARNLOG = "com.colorflykids.downloadlearnlog"; // 账号注销标识 public static final String APP_USERLOGOUT = "com.colorflykids.userlogout"; public static final String UPDATE_SYSTEMUI = "cn.colorflykids.UPDATE_SYSTEMUI"; public static final int COUNT_ONE_PAGE = 8; public static final int COUNT_ONE_PAGE2 = 10; public static final String YOUNGSYSTEM_APP_TONGBU = "com.school.app.syn"; // 小学系统 同步教材app /** * */ public static final String number[] = { "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "0", "11"}; public static final String STORE = "store"; public static final String CATEGORY_THREE = "3"; public static final String CATEGORY_SIX = "6"; public static final String CATEGORY_UPSIX = "10"; public static final String CLOSE_REST_WINDOW = "colse_rest_window"; public static final String STOP_LOOPING_TIMER = "stop_looping_timer"; public static final String START_LOOPING_TIMER = "start_looping_timer"; public static String DOWNLOADAPP_CALLBACK = "com.colorflykids.downloadapp"; // 子界面下载回调 提示更新UI public static String MENU_YOUYOU = "youyou"; public static String MENU_LANGUAGE = "语言启蒙"; public static String MENU_HABIT = "行为习惯"; public static String MENU_KNOWLEDGE = "生活认知"; public static String MENU_SECURITY = "安全自理"; public static String MENU_PROMOTION = "入园-综合提升"; public static String MENU_LY = "优优乐园"; public static String MENU_YW = "语文知识"; public static String MENU_SX = "数理逻辑"; public static String MENU_YY = "英语启蒙"; public static String MENU_QS = "情商培养"; public static String MENU_YS = "艺术提升"; public static String MENU_ZH = "学前-综合提升"; public static String MENU_TONGBUJIAOCAI = "同步教材"; public static String MENU_YUWEN = "语文"; public static String MENU_SHUXUE = "数学"; public static String MENU_YINGYU = "英语"; public static String MENU_ZONGHETISHEGN = "小学-综合提升"; public static String[] babySystem = {MENU_LANGUAGE, MENU_HABIT, MENU_KNOWLEDGE, MENU_SECURITY, MENU_PROMOTION}; public static String[] childSystem = {MENU_LY, MENU_YW, MENU_SX, MENU_YY, MENU_QS, MENU_YS, MENU_ZH}; public static String[] youngSystem = {MENU_YUWEN, MENU_SHUXUE, MENU_YINGYU, MENU_ZONGHETISHEGN}; public static String[] sonSystem = {MENU_HABIT, MENU_SECURITY, MENU_LANGUAGE, MENU_KNOWLEDGE, MENU_PROMOTION, MENU_LY, MENU_YW, MENU_SX, MENU_YY, MENU_QS, MENU_YS, MENU_ZH, MENU_TONGBUJIAOCAI, MENU_YUWEN, MENU_SHUXUE, MENU_YINGYU, MENU_YINGYU, MENU_ZONGHETISHEGN}; public static String[][] tagList = {babySystem, childSystem, youngSystem}; public static String subcategories[][] = {babySystem, childSystem, youngSystem}; public static String system[] = {"入园系统", "学前系统", "小学系统"}; public static String systemandno[] = {"入园系统", "学前系统", "小学系统", "未分配"}; protected static Toast toast = null; private static String oldMsg; private static long oneTime = 0; private static long twoTime = 0; // 积分记录 达人标准次数记录 // MD5 设备地址标识 public static String getMAC(Context context) { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) { // 如果当前设备系统大于等于6.0 使用下面的方法 return getMac(); } else { try { WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE); // 获取MAC地址 WifiInfo wifiInfo = wifiManager.getConnectionInfo(); String mac = wifiInfo.getMacAddress(); if (null == mac) { // 未获取到 mac = ""; } return mac; } catch (Exception e) { e.printStackTrace(); return ""; } } } /** * 获取手机的MAC地址 * * @return */ public static String getMac() { String str = ""; String macSerial = ""; try { Process pp = Runtime.getRuntime().exec( "cat /sys/class/net/wlan0/address"); InputStreamReader ir = new InputStreamReader(pp.getInputStream()); LineNumberReader input = new LineNumberReader(ir); for (; null != str; ) { str = input.readLine(); if (str != null) { macSerial = str.trim();// 去空格 break; } } } catch (Exception ex) { ex.printStackTrace(); } if (macSerial == null || "".equals(macSerial)) { try { return loadFileAsString("/sys/class/net/eth0/address") .toUpperCase().substring(0, 17); } catch (Exception e) { e.printStackTrace(); macSerial = getAndroid7MAC(); } } return macSerial; } /** * 兼容7.0获取不到的问题 * * @return */ public static String getAndroid7MAC() { try { List all = Collections.list(NetworkInterface.getNetworkInterfaces()); for (NetworkInterface nif : all) { if (!nif.getName().equalsIgnoreCase("wlan0")) continue; byte[] macBytes = nif.getHardwareAddress(); if (macBytes == null) { return ""; } StringBuilder res1 = new StringBuilder(); for (byte b : macBytes) { res1.append(String.format("%02X:", b)); } if (res1.length() > 0) { res1.deleteCharAt(res1.length() - 1); } return res1.toString(); } } catch (Exception ex) { } return ""; } public static String loadFileAsString(String fileName) throws Exception { FileReader reader = new FileReader(fileName); String text = loadReaderAsString(reader); reader.close(); return text; } public static String loadReaderAsString(Reader reader) throws Exception { StringBuilder builder = new StringBuilder(); char[] buffer = new char[4096]; int readLength = reader.read(buffer); while (readLength >= 0) { builder.append(buffer, 0, readLength); readLength = reader.read(buffer); } return builder.toString(); } // MD5 设备地址标识 public static String getMD5(Context context) { String WLANMAC = getMAC(context); // compute md5 MessageDigest m = null; try { m = MessageDigest.getInstance("MD5"); } catch (NoSuchAlgorithmException e) { e.printStackTrace(); } if (WLANMAC != null && !WLANMAC.equals("")) { m.update(WLANMAC.getBytes(), 0, WLANMAC.length()); } else if (getSimSerialNumber(context) != null && !getSimSerialNumber(context).equals("")) { m.update(getSimSerialNumber(context).getBytes(), 0, getSimSerialNumber(context).length()); } else { m.update(getPesudoUniqueID().getBytes(), 0, getPesudoUniqueID().length()); } // get md5 bytes byte p_md5Data[] = m.digest(); // create a hex string String m_szUniqueID = new String(); for (int i = 0; i < p_md5Data.length; i++) { int b = (0xFF & p_md5Data[i]); // if it is a single digit, make sure it have 0 in front (proper padding) if (b <= 0xF) m_szUniqueID += "0"; // add number to string m_szUniqueID += Integer.toHexString(b); } // hex string to uppercase m_szUniqueID = m_szUniqueID.toUpperCase(); return m_szUniqueID; } private static String getSimSerialNumber(Context context) { TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE); @SuppressLint("MissingPermission") String simSerialNumber = tm.getSimSerialNumber(); return simSerialNumber; } private static String getPesudoUniqueID() { String m_szDevIDShort = "35" + //we make this look like a valid IMEI Build.BOARD.length() % 10 + Build.BRAND.length() % 10 + Build.CPU_ABI.length() % 10 + Build.DEVICE.length() % 10 + Build.DISPLAY.length() % 10 + Build.HOST.length() % 10 + Build.ID.length() % 10 + Build.MANUFACTURER.length() % 10 + Build.MODEL.length() % 10 + Build.PRODUCT.length() % 10 + Build.TAGS.length() % 10 + Build.TYPE.length() % 10 + Build.USER.length() % 10; return m_szDevIDShort; } // 防止连续点击 private static long lastClickTime; public static boolean isFastDoubleClick() { long time = System.currentTimeMillis(); long timeD = time - lastClickTime; if (0 < timeD && timeD < 500) { return true; } lastClickTime = time; return false; } // 5分钟 = 1 转换成时间 public static String getRangeTime(int range) { StringBuffer sBuffer = new StringBuffer(); String hour; String minute; if ((range / 12) >= 10) { hour = range / 12 + ""; } else { hour = "0" + range / 12 + ""; } if ((range % 12) > 0) { minute = ":" + range % 12 / 2 + "0"; } else { minute = ":00"; } sBuffer.append(hour.trim()); sBuffer.append(minute.trim()); return sBuffer.toString(); } // 根据日期取得星期几 public static String getWeek(Date date) { String[] weeks = {"星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"}; Calendar cal = Calendar.getInstance(); cal.setTime(date); int week_index = cal.get(Calendar.DAY_OF_WEEK) - 1; if (week_index < 0) { week_index = 0; } return weeks[week_index]; } // 非空判断 public static boolean isEmpty(String s) { if (null == s) return true; if (s.length() == 0) return true; if (s.trim().length() == 0) return true; return false; } // 手动隐藏键盘 public static void CloseKeyBoard(Context context) { InputMethodManager imm = (InputMethodManager) context .getSystemService(Context.INPUT_METHOD_SERVICE); System.out.println("isActive:" + imm.isActive()); if (imm.isActive()) { imm.toggleSoftInput(InputMethodManager.SHOW_IMPLICIT, InputMethodManager.HIDE_NOT_ALWAYS); } } // 接受软键盘输入 public static void hideKeyboard(Context context, View view) { if (context == null || view == null) { return; } InputMethodManager imm = (InputMethodManager) context .getSystemService(Context.INPUT_METHOD_SERVICE); imm.hideSoftInputFromWindow(view.getWindowToken(), 0); } // 卸载app public static void unInstallAPP(Context context, String packageName) { if (!TextUtils.isEmpty(packageName) && !AppsManagerUtils.isSystemApp(context, packageName)) { if (AppsManagerUtils.isSystemApp(context, packageName)) { ToastUtil.show("系统应用无法卸载!"); } else { Uri packageURI = Uri.parse("package:" + packageName); Intent intent = new Intent(Intent.ACTION_DELETE, packageURI); context.startActivity(intent); } } else { ToastUtil.show("系统应用无法卸载!"); } } // 打开app public static void startApp(Context context, String packageName, String activityName) { if (TextUtils.isEmpty(packageName)) return; try { Intent intent = null; if (TextUtils.isEmpty(activityName)) { intent = context.getPackageManager().getLaunchIntentForPackage( packageName); } else { intent = new Intent(); intent.setComponent(new ComponentName(packageName, activityName)); } if (intent == null) { intent = getLaunchIntentForNoCategory(context, packageName); } intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); context.startActivity(intent); } catch (ActivityNotFoundException e) { e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } } public static Intent getLaunchIntentForNoCategory(Context context, String packageName) { Intent intent = null; PackageManager packageManager = context.getPackageManager(); PackageInfo packageinfo = null; try { packageinfo = packageManager.getPackageInfo(packageName, 0); } catch (NameNotFoundException e) { e.printStackTrace(); } if (packageinfo == null) { return null; } Intent resolveIntent = new Intent(Intent.ACTION_MAIN, null); resolveIntent.setPackage(packageinfo.packageName); List resolveinfoList = packageManager .queryIntentActivities(resolveIntent, 0); ResolveInfo resolveinfo = resolveinfoList.iterator().next(); if (resolveinfo != null) { String className = resolveinfo.activityInfo.name; intent = new Intent(Intent.ACTION_MAIN); intent.addCategory(Intent.CATEGORY_LAUNCHER); ComponentName cn = new ComponentName(packageName, className); intent.setComponent(cn); } return intent; } // 设置系统亮度模式 public static void systemBrightness(Context context) { try { SharedPreferences mPrefs = context.getSharedPreferences("colorflykids", 0); boolean initSetting = mPrefs.getBoolean("init_setting", true); if (initSetting) { mPrefs.edit().putBoolean("init_setting", false).commit(); } Settings.System.putInt(context.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS_MODE, 0); mPrefs.edit().putBoolean("first_init", false).commit(); } catch (Exception err) { err.printStackTrace(); } } // 更新 版本比较 public static boolean isUpdate(String oldVersion, String newVersion) { if (TextUtils.isEmpty(oldVersion) || TextUtils.isEmpty(newVersion) || oldVersion.equals(newVersion)) { return false; } String[] oldVersionSp = oldVersion.replaceAll("[^.\\d]", "").trim().split("\\."); String[] newVsersionSp = newVersion.replaceAll("[^.\\d]", "").trim().split("\\."); int index = 0; int minLen = Math.min(oldVersionSp.length, newVsersionSp.length); int diff = 0; while (index < minLen && (diff = Integer.parseInt(newVsersionSp[index]) - Integer.parseInt(oldVersionSp[index])) == 0) { index++; } if (diff == 0) { for (int i = index; i < oldVersionSp.length; i++) { if (Integer.parseInt(oldVersionSp[i]) > 0) { return false; } } for (int i = index; i < newVsersionSp.length; i++) { if (Integer.parseInt(newVsersionSp[i]) > 0) { return true; } } } else { return diff > 0 ? true : false; } return false; } /*** * 半角转换为全角 * * @param input * @return */ public static String ToDBC(String input) { char[] c = input.toCharArray(); for (int i = 0; i < c.length; i++) { if (c[i] == 12288) { c[i] = (char) 32; continue; } if (c[i] > 65280 && c[i] < 65375) c[i] = (char) (c[i] - 65248); } return new String(c); } public static void showToast(Context context, String s) { if (toast == null) { toast = Toast.makeText(context, s, Toast.LENGTH_SHORT); toast.show(); oneTime = System.currentTimeMillis(); } else { twoTime = System.currentTimeMillis(); if (s.equals(oldMsg)) { if (twoTime - oneTime > Toast.LENGTH_SHORT) { toast.show(); } } else { oldMsg = s; toast.setText(s); toast.show(); } } oneTime = twoTime; } public static boolean isShouldHideInput(View v, MotionEvent event) { if (v != null && (v instanceof EditText)) { int[] leftTop = {0, 0}; //获取输入框当前的location位置 v.getLocationInWindow(leftTop); int left = leftTop[0]; int top = leftTop[1]; int bottom = top + v.getHeight(); int right = left + v.getWidth(); if (event.getX() > left && event.getX() < right && event.getY() > top && event.getY() < bottom) { // 点击的是输入框区域，保留点击EditText的事件 return false; } else { return true; } } return false; } public static boolean isIntent(Context context) { ConnectivityManager manager = (ConnectivityManager) context .getApplicationContext().getSystemService( Context.CONNECTIVITY_SERVICE); if (manager == null) { return false; } // 检查网络连接，如果无网络可用，就不需要进行连网操作等 NetworkInfo networkinfo = manager.getActiveNetworkInfo(); if (networkinfo == null || !networkinfo.isAvailable()) { return false; } return true; } public static String getTime(int time) { int min = time / 60; int sec = time % 60; if (sec > 0) { return String.valueOf(min + 1); } else { return String.valueOf(min); } } public static String getTimeClick(int time) { StringBuffer timeClick = new StringBuffer(); int min = time / 60; int sec = time % 60; timeClick.append(min >= 10 ? (int) Math.ceil(min / 10) : 0) .append(min % 10) .append(":") .append(sec >= 10 ? (int) Math.ceil(sec / 10) : 0) .append(sec % 10); return timeClick.toString(); } public static String getVersionName(Context context) { // 获取packagemanager的实例 PackageManager packageManager = context.getPackageManager(); // getPackageName()是你当前类的包名，0代表是获取版本信息 PackageInfo packInfo; try { packInfo = packageManager.getPackageInfo(context.getPackageName(), 0); String version = packInfo.versionName.replaceAll("[a-zA-Z]", "").trim(); ; return version; } catch (NameNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } return ""; } /** * 根据手机的分辨率从 dp 的单位 转成为 px(像素) */ public static int dip2px(Context context, float dpValue) { final float scale = context.getResources().getDisplayMetrics().density; return (int) (dpValue * scale + 0.5f); } /** * 根据手机的分辨率从 px(像素) 的单位 转成为 dp */ public static int px2dip(Context context, float pxValue) { final float scale = context.getResources().getDisplayMetrics().density; return (int) (pxValue / scale + 0.5f); } public static float dp2px(Resources resources, float dp) { final float scale = resources.getDisplayMetrics().density; return dp * scale + 0.5f; } public static float sp2px(Resources resources, float sp) { final float scale = resources.getDisplayMetrics().scaledDensity; return sp * scale; } public static String getTime() { long time = System.currentTimeMillis();//long now = android.os.SystemClock.uptimeMillis(); SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); Date d1 = new Date(time); String t1 = format.format(d1); return t1; } private static void getAdmin(Context context, ComponentName componentName) { Intent intent = new Intent(DevicePolicyManager.ACTION_ADD_DEVICE_ADMIN); intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, componentName); intent.putExtra(DevicePolicyManager.EXTRA_ADD_EXPLANATION, "宏云萌书院OS"); context.startActivity(intent); } /** * 获取设备序列号 * * @return */ @SuppressLint({"MissingPermission", "NewApi"}) public static String getSerial() { String serial = "unknow"; try { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {//9.0+ serial = Build.getSerial(); } else if (Build.VERSION.SDK_INT > Build.VERSION_CODES.N) {//8.0+ serial = Build.SERIAL; } else {//8.0- Class c = Class.forName("android.os.SystemProperties"); Method get = c.getMethod("get", String.class); serial = (String) get.invoke(c, "ro.serialno"); } } catch (Exception e) { e.printStackTrace(); Log.e("e", "读取设备序列号异常：" + e.toString()); } return serial; } public static final long A_GB = 1073741824; public static final long A_MB = 1048576; public static final int A_KB = 1024; public static String fmtSpace(long space) { if (space <= 0) { return "0"; } double gbValue = (double) space / A_GB; if (gbValue >= 1) { return String.format("%.2fGB", gbValue); } else { double mbValue = (double) space / A_MB; // Log.e("GB", "gbvalue=" + mbValue); if (mbValue >= 1) { return String.format("%.2fMB", mbValue); } else { final double kbValue = space / A_KB; return String.format("%.2fKB", kbValue); } } } public static String transferLongToDate(Long millSec) { SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); Date date = new Date(millSec); return sdf.format(date); } public static String getSn() { return Build.SERIAL; } public static Bitmap createQRImage(String content, int widthPix, int heightPix) { try { // if (content == null || "".equals(content)) { // return false; // } //配置参数 Map hints = new HashMap<>(); hints.put(EncodeHintType.CHARACTER_SET, "utf-8"); //容错级别 hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H); //设置空白边距的宽度 hints.put(EncodeHintType.MARGIN, 1); //default is 4 // 图像数据转换，使用了矩阵转换 BitMatrix bitMatrix = null; try { bitMatrix = new QRCodeWriter().encode(content, BarcodeFormat.QR_CODE, widthPix, heightPix, hints); } catch (WriterException e) { e.printStackTrace(); } int[] pixels = new int[widthPix * heightPix]; // 下面这里按照二维码的算法，逐个生成二维码的图片， // 两个for循环是图片横列扫描的结果 for (int y = 0; y < heightPix; y++) { for (int x = 0; x < widthPix; x++) { if (bitMatrix.get(x, y)) { pixels[y * widthPix + x] = 0xff000000; } else { pixels[y * widthPix + x] = 0xffffffff; } } } // 生成二维码图片的格式，使用ARGB_8888 Bitmap bitmap = Bitmap.createBitmap(widthPix, heightPix, Bitmap.Config.ARGB_8888); bitmap.setPixels(pixels, 0, widthPix, 0, 0, widthPix, heightPix); // // if (logoBm != null) { // bitmap = addLogo(bitmap, logoBm); // } //必须使用compress方法将bitmap保存到文件中再进行读取。直接返回的bitmap是没有任何压缩的， // 内存消耗巨大！ return bitmap; // return bitmap != null && bitmap.compress(Bitmap.CompressFormat.JPEG, 100); } catch (Exception e) { e.printStackTrace(); } return null; } //判断是否为系统应用 public static boolean isSystemApp(Context context, String pkgName) { boolean isSystemApp = false; PackageInfo pi = null; try { PackageManager pm = context.getPackageManager(); pi = pm.getPackageInfo(pkgName, 0); } catch (NameNotFoundException e) { e.printStackTrace(); Log.e("isSystemApp", e.getMessage(), e); } // 是系统中已安装的应用 if (pi != null) { boolean isSysApp = (pi.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 1; boolean isSysUpd = (pi.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) == 1; isSystemApp = isSysApp || isSysUpd; } return isSystemApp; } public static Bitmap getRoundedBitmap(Bitmap mBitmap, Context context) { Bitmap bgBitmap = Bitmap.createBitmap(mBitmap.getWidth(), mBitmap.getHeight(), Bitmap.Config.ARGB_8888); Bitmap mask = BitmapFactory.decodeResource(context.getResources(), R.drawable.mask); int width = mask.getWidth(); int height = mask.getHeight(); Bitmap bitmapScale = Bitmap.createScaledBitmap(mBitmap, width, height, true); // Palette p = Palette.from(mBitmap).generate(); // Palette.Swatch vibrant = p.getVibrantSwatch();//有活力的 // int color = vibrant.getRgb(); //样本中的像素数量 Bitmap result = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); Canvas canvas = new Canvas(); Paint paint = new Paint(); canvas.setBitmap(result); // canvas.drawColor(color); canvas.drawBitmap(mask, 0, 0, paint); // paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN)); canvas.drawBitmap(bitmapScale, 0, 0, paint); // return result; Bitmap result2 = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); Canvas canvas2 = new Canvas(); Paint paint2 = new Paint(); canvas2.setBitmap(result2); canvas2.drawBitmap(mask, 0, 0, paint2); paint2.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN)); canvas2.drawBitmap(result, 0, 0, paint2); return result2; // Canvas mCanvas = new Canvas(); // mCanvas.setBitmap(bgBitmap); // Paint mPaint = new Paint(); // RectF mRectM = new RectF(scaleM, scaleM, mBitmap.getWidth() - scaleM, mBitmap.getHeight() - scaleM); //设置剪裁圆角的区域 // Rect mRect = new Rect(0, 0, mBitmap.getWidth(), mBitmap.getHeight()); // RectF mRectF = mRectM; // // float roundPx = 15; //圆角半径 // mPaint.setAntiAlias(true); // //Log.d("wy"+TAG,"mBitmap.getWidth()="+mBitmap.getWidth()+", mBitmap.getHeight()="+mBitmap.getHeight()); // mCanvas.drawRoundRect(mRectF, roundPx, roundPx, mPaint); // mPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN)); // mCanvas.drawBitmap(mBitmap, mRect, mRect, mPaint); // return bgBitmap; } }