android中常用的系统工具类整理

这里是本人收集的一些系统的/非系统的工具类整理

@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
public class TDevice {// 手机网络类型public static final int NETTYPE_WIFI = 0x01;public static final int NETTYPE_CMWAP = 0x02;public static final int NETTYPE_CMNET = 0x03;public static boolean GTE_HC;public static boolean GTE_ICS;public static boolean PRE_HC;private static Boolean _hasBigScreen = null;private static Boolean _hasCamera = null;private static Boolean _isTablet = null;private static Integer _loadFactor = null;private static int _pageSize = -1;public static float displayDensity = 0.0F;static {GTE_ICS = Build.VERSION.SDK_INT >= 14;GTE_HC = Build.VERSION.SDK_INT >= 11;PRE_HC = Build.VERSION.SDK_INT >= 11 ? false : true;}public TDevice() {}/*** 获取系统当前当前时间戳*/public static String getTimesTamp() {long timestamp = System.currentTimeMillis()/1000;return String.valueOf(timestamp);}/*** dp值** @param dp* @return*/public static float dpToPixel(float dp) {return dp * (getDisplayMetrics().densityDpi / 160F);}public static int getDefaultLoadFactor() {if (_loadFactor == null) {Integer integer = Integer.valueOf(0xf & CXWYApplication.getContext().getResources().getConfiguration().screenLayout);_loadFactor = integer;_loadFactor = Integer.valueOf(Math.max(integer.intValue(), 1));}return _loadFactor.intValue();}/*** 获取密度** @return*/public static float getDensity() {if (displayDensity == 0.0)displayDensity = getDisplayMetrics().density;return displayDensity;}/*** 获取屏幕参数* {density=3.5, width=1440, height=2392, scaledDensity=3.5, xdpi=560.0, ydpi=560.0}** @return*/public static DisplayMetrics getDisplayMetrics() {DisplayMetrics displaymetrics = new DisplayMetrics();((WindowManager) CXWYApplication.getContext().getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay().getMetrics(displaymetrics);return displaymetrics;}/*** 获取屏幕高度** @return*/public static float getScreenHeight() {return getDisplayMetrics().heightPixels;}/*** 获取屏幕宽度** @return*/public static float getScreenWidth() {return getDisplayMetrics().widthPixels;}public static int[] getRealScreenSize(Activity activity) {int[] size = new int[2];int screenWidth = 0, screenHeight = 0;WindowManager w = activity.getWindowManager();Display d = w.getDefaultDisplay();DisplayMetrics metrics = new DisplayMetrics();d.getMetrics(metrics);// since SDK_INT = 1;screenWidth = metrics.widthPixels;screenHeight = metrics.heightPixels;// includes window decorations (statusbar bar/menu bar)if (Build.VERSION.SDK_INT >= 14 && Build.VERSION.SDK_INT < 17)try {screenWidth = (Integer) Display.class.getMethod("getRawWidth").invoke(d);screenHeight = (Integer) Display.class.getMethod("getRawHeight").invoke(d);} catch (Exception ignored) {}// includes window decorations (statusbar bar/menu bar)if (Build.VERSION.SDK_INT >= 17)try {Point realSize = new Point();Display.class.getMethod("getRealSize", Point.class).invoke(d,realSize);screenWidth = realSize.x;screenHeight = realSize.y;} catch (Exception ignored) {}size[0] = screenWidth;size[1] = screenHeight;return size;}public static int getStatusBarHeight() {Class c = null;Object obj = null;Field field = null;int x = 0;try {c = Class.forName("com.android.internal.R$dimen");obj = c.newInstance();field = c.getField("status_bar_height");x = Integer.parseInt(field.get(obj).toString());return CXWYApplication.getContext().getResources().getDimensionPixelSize(x);} catch (Exception e) {e.printStackTrace();}return 0;}/*** 获取唯一标识码* 9121e9b9-f0ee-4ea6-a9bd-802db5535f9b** @return*/public static String getUdid() {String udid = PreferencesUtils.getInstance().getString(CXWYApplication.getContext(),"udid", "");if (udid.length() == 0) {udid = String.format("%s", UUID.randomUUID());PreferencesUtils.getInstance().putString(CXWYApplication.getContext(), "udid", udid);}return udid;}/*** 是否大屏** @return*/public static boolean hasBigScreen() {boolean flag = true;if (_hasBigScreen == null) {boolean flag1;if ((0xf & CXWYApplication.getContext().getResources().getConfiguration().screenLayout) >= 3)flag1 = flag;elseflag1 = false;Boolean boolean1 = Boolean.valueOf(flag1);_hasBigScreen = boolean1;if (!boolean1.booleanValue()) {if (getDensity() <= 1.5F)flag = false;_hasBigScreen = Boolean.valueOf(flag);}}return _hasBigScreen.booleanValue();}/*** 是否存在相机** @return*/public static final boolean hasCamera() {if (_hasCamera == null) {PackageManager pckMgr = CXWYApplication.getContext().getPackageManager();boolean flag = pckMgr.hasSystemFeature("android.hardware.camera.front");boolean flag1 = pckMgr.hasSystemFeature("android.hardware.camera");boolean flag2;if (flag || flag1)flag2 = true;elseflag2 = false;_hasCamera = Boolean.valueOf(flag2);}return _hasCamera.booleanValue();}/*** 判断是否有物理的menu键** @param context* @return*/public static boolean hasHardwareMenuKey(Context context) {boolean flag = false;if (PRE_HC)flag = true;else if (GTE_ICS) {flag = ViewConfiguration.get(context).hasPermanentMenuKey();} elseflag = false;return flag;}/*** 判断是否有GSM网络* 需要权限   ACCESS_NETWORK_STATE** @return*/public static boolean hasInternet() {boolean flag;if (((ConnectivityManager) CXWYApplication.getContext().getSystemService("connectivity")).getActiveNetworkInfo() != null) {flag = true;} elseflag = false;return flag;}/*** 是否有google商店** @param activity* @param pck* @return*/public static boolean gotoGoogleMarket(Activity activity, String pck) {try {Intent intent = new Intent();intent.setPackage("com.android.vending");intent.setAction(Intent.ACTION_VIEW);intent.setData(Uri.parse("market://details?id=" + pck));activity.startActivity(intent);return true;} catch (Exception e) {e.printStackTrace();return false;}}/*** 判断程序是否安装** @param pckName* @return*/public static boolean isPackageExist(String pckName) {try {PackageInfo pckInfo = CXWYApplication.getContext().getPackageManager().getPackageInfo(pckName, 0);if (pckInfo != null)return true;} catch (PackageManager.NameNotFoundException e) {KLog.e(e.getMessage());}return false;}/*** 隐藏动画视图** @param view*/public static void hideAnimatedView(View view) {if (PRE_HC && view != null)view.setPadding(view.getWidth(), 0, 0, 0);}/*** 显示动画视图** @param view*/public static void showAnimatedView(View view) {if (PRE_HC && view != null)view.setPadding(0, 0, 0, 0);}/*** 显示键盘dialog** @param dialog*/public static void showSoftKeyboard(Dialog dialog) {dialog.getWindow().setSoftInputMode(4);}/*** 显示键盘view** @param view*/public static void showSoftKeyboard(View view) {((InputMethodManager) CXWYApplication.getContext().getSystemService(Context.INPUT_METHOD_SERVICE)).showSoftInput(view,InputMethodManager.SHOW_FORCED);}/*** 切换键盘** @param view*/public static void toogleSoftKeyboard(View view) {((InputMethodManager) CXWYApplication.getContext().getSystemService(Context.INPUT_METHOD_SERVICE)).toggleSoftInput(0,InputMethodManager.HIDE_NOT_ALWAYS);}/*** 隐藏键盘** @param view*/public static void hideSoftKeyboard(View view) {if (view == null)return;((InputMethodManager) CXWYApplication.getContext().getSystemService(Context.INPUT_METHOD_SERVICE)).hideSoftInputFromWindow(view.getWindowToken(), 0);}/*** 判断是否横屏** @return*/public static boolean isLandscape() {boolean flag;if (CXWYApplication.getContext().getResources().getConfiguration().orientation == 2)flag = true;elseflag = false;return flag;}/*** 判断是否竖屏** @return*/public static boolean isPortrait() {boolean flag = true;if (CXWYApplication.getContext().getResources().getConfiguration().orientation != 1)flag = false;return flag;}/*** 判断是否平板** @return*/public static boolean isTablet() {if (_isTablet == null) {boolean flag;if ((0xf & CXWYApplication.getContext().getResources().getConfiguration().screenLayout) >= 3)flag = true;elseflag = false;_isTablet = Boolean.valueOf(flag);}return _isTablet.booleanValue();}/*** 单位转换** @param f* @return*/public static float pixelsToDp(float f) {return f / (getDisplayMetrics().densityDpi / 160F);}/*** 判断是否有sd卡** @return*/public static boolean isSdcardReady() {return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState());}/*** 判断系统语言国家** @return*/public static String getCurCountryLan() {return CXWYApplication.getContext().getResources().getConfiguration().locale.getLanguage()+ "-"+ CXWYApplication.getContext().getResources().getConfiguration().locale.getCountry();}/*** 判断是否中文简体（CN）国家中国** @return*/public static boolean isZhCN() {String lang = CXWYApplication.getContext().getResources().getConfiguration().locale.getCountry();if (lang.equalsIgnoreCase("CN")) {return true;}return false;}/*** 获取两个数的百分比** @param p1* @param p2* @return*/public static String percent(double p1, double p2) {String str;double p3 = p1 / p2;NumberFormat nf = NumberFormat.getPercentInstance();nf.setMinimumFractionDigits(5);//保留的小数位数(精度)str = nf.format(p3);return str;}public static String percent2(double p1, double p2) {String str;double p3 = p1 / p2;NumberFormat nf = NumberFormat.getPercentInstance();nf.setMinimumFractionDigits(0);str = nf.format(p3);return str;}/*** 打开本app在应用商店的页面** @param context*/public static void openAppInMarket(Context context) {if (context != null) {String pckName = context.getPackageName();try {String str = "market://details?id=" + pckName;Intent localIntent = new Intent("android.intent.action.VIEW");localIntent.setData(Uri.parse(str));context.startActivity(localIntent);} catch (Exception ex) {}}}/*** 全屏显示，去掉顶部状态栏** @param activity*/public static void setFullScreen(Activity activity) {WindowManager.LayoutParams params = activity.getWindow().getAttributes();params.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN;activity.getWindow().setAttributes(params);activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);}/*** 关闭全屏显示** @param activity*/public static void cancelFullScreen(Activity activity) {WindowManager.LayoutParams params = activity.getWindow().getAttributes();params.flags &= (~WindowManager.LayoutParams.FLAG_FULLSCREEN);activity.getWindow().setAttributes(params);activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);}/*** 得到应用包名** @param pckName* @return*/public static PackageInfo getPackageInfo(String pckName) {try {return CXWYApplication.getContext().getPackageManager().getPackageInfo(pckName, 0);} catch (PackageManager.NameNotFoundException e) {KLog.e(e.getMessage());}return null;}/*** 获得app版本号** @return*/public static int getVersionCode() {int versionCode = 0;try {versionCode = CXWYApplication.getContext().getPackageManager().getPackageInfo(CXWYApplication.getContext().getPackageName(),0).versionCode;} catch (PackageManager.NameNotFoundException ex) {versionCode = 0;}return versionCode;}public static int getVersionCode(String packageName) {int versionCode = 0;try {versionCode = CXWYApplication.getContext().getPackageManager().getPackageInfo(packageName, 0).versionCode;} catch (PackageManager.NameNotFoundException ex) {versionCode = 0;}return versionCode;}/*** 获取版本名称** @return*/public static String getVersionName() {String name = "";try {name = CXWYApplication.getContext().getPackageManager().getPackageInfo(CXWYApplication.getContext().getPackageName(),0).versionName;} catch (PackageManager.NameNotFoundException ex) {name = "";}return name;}public static boolean isScreenOn() {PowerManager pm = (PowerManager) CXWYApplication.getContext().getSystemService(Context.POWER_SERVICE);return pm.isScreenOn();}/*** 安装apk** @param context* @param file*/public static void installAPK(Context context, File file) {if (file == null || !file.exists())return;Intent intent = new Intent();intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);intent.setAction(Intent.ACTION_VIEW);intent.setDataAndType(Uri.fromFile(file),"application/vnd.android.package-archive");context.startActivity(intent);}/*** 获得安转的apk** @param file* @return*/public static Intent getInstallApkIntent(File file) {Intent intent = new Intent();intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);intent.setAction(Intent.ACTION_VIEW);intent.setDataAndType(Uri.fromFile(file),"application/vnd.android.package-archive");return intent;}/*** 打电话** @param context* @param number*/public static void openDial(Context context, String number) {Uri uri = Uri.parse("tel:" + number);Intent it = new Intent(Intent.ACTION_DIAL, uri);context.startActivity(it);}/*** 发短信** @param context* @param smsBody* @param tel*/public static void openSMS(Context context, String smsBody, String tel) {Uri uri = Uri.parse("smsto:" + tel);Intent it = new Intent(Intent.ACTION_SENDTO, uri);it.putExtra("sms_body", smsBody);context.startActivity(it);}public static void openDail(Context context) {Intent intent = new Intent(Intent.ACTION_DIAL);intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);context.startActivity(intent);}public static void openSendMsg(Context context) {Uri uri = Uri.parse("smsto:");Intent intent = new Intent(Intent.ACTION_SENDTO, uri);intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);context.startActivity(intent);}/*** 调用系统相机** @param context*/public static void openCamera(Context context) {Intent intent = new Intent(); // 调用照相机intent.setAction("android.media.action.STILL_IMAGE_CAMERA");intent.setFlags(0x34c40000);context.startActivity(intent);}/*** 获取移动设备标识码* 需要权限android.permission.READ_PHONE_STATE** @return*/public static String getIMEI() {TelephonyManager tel = (TelephonyManager) CXWYApplication.getContext().getSystemService(Context.TELEPHONY_SERVICE);return tel.getDeviceId();}/*** 获得手机型号** @return*/public static String getPhoneType() {return Build.MODEL;}/*** 打开手机上安装的指定包名的app** @param context* @param packageName*/public static void openApp(Context context, String packageName) {Intent mainIntent = CXWYApplication.getContext().getPackageManager().getLaunchIntentForPackage(packageName);if (mainIntent == null) {mainIntent = new Intent(packageName);} else {KLog.i("Action:" + mainIntent.getAction());}context.startActivity(mainIntent);}public static boolean openAppActivity(Context context, String packageName,String activityName) {Intent intent = new Intent(Intent.ACTION_MAIN);intent.addCategory(Intent.CATEGORY_LAUNCHER);ComponentName cn = new ComponentName(packageName, activityName);intent.setComponent(cn);try {context.startActivity(intent);return true;} catch (Exception e) {return false;}}/*** 判断wifi是否打开** @return*/public static boolean isWifiOpen() {boolean isWifiConnect = false;ConnectivityManager cm = (ConnectivityManager) CXWYApplication.getContext().getSystemService(Context.CONNECTIVITY_SERVICE);// check the networkInfos numbersNetworkInfo[] networkInfos = cm.getAllNetworkInfo();for (int i = 0; i < networkInfos.length; i++) {if (networkInfos[i].getState() == NetworkInfo.State.CONNECTED) {if (networkInfos[i].getType() == ConnectivityManager.TYPE_MOBILE) {isWifiConnect = false;}if (networkInfos[i].getType() == ConnectivityManager.TYPE_WIFI) {isWifiConnect = true;}}}return isWifiConnect;}/*** 卸载指定包名的app** @param context* @param packageName*/public static void uninstallApk(Context context, String packageName) {if (isPackageExist(packageName)) {Uri packageURI = Uri.parse("package:" + packageName);Intent uninstallIntent = new Intent(Intent.ACTION_DELETE,packageURI);context.startActivity(uninstallIntent);}}@SuppressWarnings("deprecation")public static void copyTextToBoard(String string) {if (TextUtils.isEmpty(string))return;ClipboardManager clip = (ClipboardManager) CXWYApplication.getContext().getSystemService(Context.CLIPBOARD_SERVICE);clip.setText(string);
//  AppContext.showToast(R.string.copy_success);}/*** 发送邮件** @param context* @param subject 主题* @param content 内容* @param emails  邮件地址*/public static void sendEmail(Context context, String subject,String content, String... emails) {try {Intent intent = new Intent(Intent.ACTION_SEND);// 模拟器// intent.setType("text/plain");intent.setType("message/rfc822"); // 真机intent.putExtra(Intent.EXTRA_EMAIL, emails);intent.putExtra(Intent.EXTRA_SUBJECT, subject);intent.putExtra(Intent.EXTRA_TEXT, content);context.startActivity(intent);} catch (ActivityNotFoundException e) {e.printStackTrace();}}public static int getStatuBarHeight() {Class c = null;Object obj = null;Field field = null;int x = 0, sbar = 38;// 默认为38，貌似大部分是这样的try {c = Class.forName("com.android.internal.R$dimen");obj = c.newInstance();field = c.getField("status_bar_height");x = Integer.parseInt(field.get(obj).toString());sbar = CXWYApplication.getContext().getResources().getDimensionPixelSize(x);} catch (Exception e1) {e1.printStackTrace();}return sbar;}public static int getActionBarHeight(Context context) {int actionBarHeight = 0;TypedValue tv = new TypedValue();if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize,tv, true))actionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data,context.getResources().getDisplayMetrics());if (actionBarHeight == 0&& context.getTheme().resolveAttribute(R.attr.actionBarSize,tv, true)) {actionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data,context.getResources().getDisplayMetrics());}return actionBarHeight;}public static boolean hasStatusBar(Activity activity) {WindowManager.LayoutParams attrs = activity.getWindow().getAttributes();if ((attrs.flags & WindowManager.LayoutParams.FLAG_FULLSCREEN) == WindowManager.LayoutParams.FLAG_FULLSCREEN) {return false;} else {return true;}}/*** 调用系统安装了的应用分享** @param context* @param title* @param url*/public static void showSystemShareOption(Activity context,final String title, final String url) {Intent intent = new Intent(Intent.ACTION_SEND);intent.setType("text/plain");intent.putExtra(Intent.EXTRA_SUBJECT, "分享：" + title);intent.putExtra(Intent.EXTRA_TEXT, title + " " + url);context.startActivity(Intent.createChooser(intent, "选择分享"));}/*** 获取当前网络类型** @return 0：没有网络 1：WIFI网络 2：WAP网络 3：NET网络*/public static int getNetworkType() {int netType = 0;ConnectivityManager connectivityManager = (ConnectivityManager) CXWYApplication.getContext().getSystemService(Context.CONNECTIVITY_SERVICE);NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo();if (networkInfo == null) {return netType;}int nType = networkInfo.getType();if (nType == ConnectivityManager.TYPE_MOBILE) {String extraInfo = networkInfo.getExtraInfo();if (!TextUtils.isEmpty(extraInfo)) {if (extraInfo.toLowerCase().equals("cmnet")) {netType = NETTYPE_CMNET;} else {netType = NETTYPE_CMWAP;}}} else if (nType == ConnectivityManager.TYPE_WIFI) {netType = NETTYPE_WIFI;}return netType;}}

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