/**
* 判断是否登陆显示toast
*/
public static boolean isLogin(Context context) {
return isLogin(context, true);
}
/**
* 判断是否登陆,是否显示toast
*/
public static boolean isLogin(Context context, boolean isShow) {
boolean isLogin = !isEmpty(UserUtils.getMyString(context, Constant.BundleKey.USER_ID));
if (isShow && !isLogin) {
ToastUtils.show(context, "请登录");
}
return isLogin;
}
/**
* 将String 转换成Int 如果空或者异常则返回0
*/
public static int parseInt(String str) {
return parseInt(str, 0);
}
/**
* 将String 转换成Int 如果空或者异常则返回0
*
* @param defValue 转换异常返回的数据
*/
public static int parseInt(String str, int defValue) {
if (isEmpty(str))
return defValue;
try {
return Integer.parseInt(str);
} catch (Exception e) {
return defValue;
}
}
/**
* 判断是否为空：（null:不区分大小写； ""）
*
* @return true:空，false:不为空
*/
public static boolean isEmpty(String str) {
return str == null || str.trim().equals("") || str.trim().equalsIgnoreCase("null");
}
/**
* 手机验证
*
* @param strPhone 手机号
* @return boolean 检验结果 true:验证通过 false: 不通过
*/
public static boolean isCellphone(String strPhone) {
if (isEmpty(strPhone))
return false;
Pattern pattern = Pattern.compile("1[0-9]{10}");
Matcher matcher = pattern.matcher(strPhone);
return matcher.matches();
}
/**
* com.tencent.mm微信
* com.sina.weibo新浪微博
* 判断是否安装了QQ "com.tencent.mobileqq"
* true 安装了相应包名的app
*/
public static boolean hasApp(Context context, String packName) {
boolean is = false;
List<PackageInfo> packages = context.getPackageManager()
.getInstalledPackages(0);
for (int i = 0; i < packages.size(); i++) {
PackageInfo packageInfo = packages.get(i);
String packageName = packageInfo.packageName;
if (packageName.equals(packName)) {
is = true;
}
}
return is;
}
/**
* 进入微信
*/
public static void to_Wei_Xin(Context context) {
Intent intent = new Intent();
ComponentName cmp = new ComponentName("com.tencent.mm", "com.tencent.mm.ui.LauncherUI");
intent.setAction(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_LAUNCHER);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.setComponent(cmp);
context.startActivity(intent);
}
/**
* 时间格式化
*
* @param dateStr String 时间字符串
* @param format 转换格式
*/
public static Date strToDate(String dateStr, String format) {
Date date = null;
try {
long timeLong = Long.parseLong(dateStr);
date = new Date(timeLong);
DateFormat df = new SimpleDateFormat(format, Locale.getDefault());
String time = df.format(date);
date = df.parse(time);
return date;
} catch (NumberFormatException e) {
e.printStackTrace();
if (!isEmpty(dateStr)) {
DateFormat df = new SimpleDateFormat(format, Locale.getDefault());
try {
date = df.parse(dateStr);
} catch (ParseException ea) {
ea.printStackTrace();
}
}
} catch (ParseException e) {
e.printStackTrace();
}
return date;
}
/**
* 用浏览器打开指定网址
*/
public static void openBrowser(Context context, String url) {
try {
Uri uri = Uri.parse(url);
Intent it = new Intent(Intent.ACTION_VIEW, uri);
context.startActivity(it);
} catch (Exception e) {
e.printStackTrace();
Toast.makeText(context, "需要打开的地址不正确\n" + url, Toast.LENGTH_SHORT).show();
}
}
/**
* 获取版本号
*
* @return 当前应用的版本号, 返回-1说明请求错误
*/
public static double getVersionCode(Context context) {
try {
PackageManager manager = context.getPackageManager();
PackageInfo info = manager.getPackageInfo(context.getPackageName(),
0);
return info.versionCode;
} catch (Exception e) {
e.printStackTrace();
return -1;
}
}
/**
* 返回当前程序版本名
*/
public static String getAppVersionName(Context context) {
String versionName = "";
try {
// ---get the package info---
PackageManager pm = context.getPackageManager();
PackageInfo pi = pm.getPackageInfo(context.getPackageName(), 0);
versionName = pi.versionName;
if (versionName == null || versionName.length() <= 0) {
return "";
}
} catch (Exception e) {
Log.e("VersionInfo", "Exception", e);
}
return versionName;
}
/**
* 背景变亮
*/
public static void setBackAlphaHight(Activity activity) {
WindowManager.LayoutParams params = activity.getWindow().getAttributes();
params.alpha = 1.0f;
activity.getWindow().setAttributes(params);
}
/**
* 背景变暗
*/
public static void setBackAlphaLow(Activity activity) {
WindowManager.LayoutParams params = activity.getWindow().getAttributes();
params.alpha = 0.5f;
activity.getWindow().setAttributes(params);
}
/**
* 关闭加载提示
*/
public static void disLoaddingDialog(Context context, MProgressDialog dialog) {
if (dialog != null) {
dialog.dismiss();
setBackAlphaHight((Activity) context);
}
}
/**
* 可以封装的加载提示
*/
public static void showLoaddingDialog(final Context context, final MProgressDialog dialog) {
if (dialog != null) {
setBackAlphaLow((Activity) context);
dialog.setCanceledOnTouchOutside(false);
dialog.show("正在加载");
}
}
/**
* 获取状态栏的高度
*
* @param activity
* @return
*/
public static int getStatusHeight(Activity activity) {
int statusHeight = 0;
Rect localRect = new Rect();
activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(localRect);
statusHeight = localRect.top;
if (statusHeight == 0) {
Class<?> localClass;
try {
localClass = Class.forName("com.android.internal.R$dimen");
Object newInstance = localClass.newInstance();
int i5 = Integer.parseInt(localClass.getField("status_bar_height").get(newInstance).toString());
statusHeight = activity.getResources().getDimensionPixelSize(i5);
} catch (Exception e) {
e.printStackTrace();
}
}
return statusHeight;
}
/**
* size[1] 高度
* size[0] 宽度
*
* @param context
* @return
*/
public static int[] getScreenSize(Context context) {
WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
DisplayMetrics outMetrics = new DisplayMetrics();
wm.getDefaultDisplay().getMetrics(outMetrics);
return new int[]{outMetrics.widthPixels, outMetrics.heightPixels};
}
/**
* 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) {
float scale = context.getResources().getDisplayMetrics().density;
int res;
if (dpValue < 0) {
res = (int) (dpValue * scale - 0.5f);
return res;
}
res = (int) (dpValue * scale + 0.5f);
return res;
}
/**
* 日期转换string
*
* @param date
* @return
*/
public static String getTimeDate2String(Date date) {//可根据需要自行截取数据显示
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
return format.format(date);
}
/**
* 获取sHA1
*/
public static String sHA1(Context context) {
try {
PackageInfo info = context.getPackageManager().getPackageInfo(
context.getPackageName(), PackageManager.GET_SIGNATURES);
byte[] cert = info.signatures[0].toByteArray();
MessageDigest md = MessageDigest.getInstance("SHA1");
byte[] publicKey = md.digest(cert);
StringBuffer hexString = new StringBuffer();
for (int i = 0; i < publicKey.length; i++) {
String appendString = Integer.toHexString(0xFF & publicKey[i])
.toUpperCase(Locale.US);
if (appendString.length() == 1)
hexString.append("0");
hexString.append(appendString);
hexString.append(":");
}
String result = hexString.toString();
return result.substring(0, result.length() - 1);
} catch (PackageManager.NameNotFoundException e) {
e.printStackTrace();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
return null;
}
/**
* 设置状态栏透明
*
* @param on
*/
public static void setTranslucentStatus(boolean on, Activity activity) {
Window win = activity.getWindow();
WindowManager.LayoutParams winParams = win.getAttributes();
final int bits = WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS;
if (on) {
winParams.flags |= bits;
} else {
winParams.flags &= ~bits;
}
win.setAttributes(winParams);
}
/**
* 显示右图标
*/
public static void setTextIcon(Context context, TextView tv, Drawable drawable) {
if (drawable != null) {
drawable.setBounds(0, 0, drawable.getMinimumWidth(),
drawable.getMinimumHeight());
tv.setCompoundDrawables(null, null, drawable, null);
} else {
tv.setCompoundDrawables(null, null, null, null);
}
}
/**
* 显示左图标
*/
public static void setTextIconLeft(TextView tv, Drawable drawable) {
if (drawable != null) {
drawable.setBounds(0, 0, drawable.getMinimumWidth(),
drawable.getMinimumHeight());
tv.setCompoundDrawables(drawable, null, null, null);
} else {
tv.setCompoundDrawables(null, null, null, null);
}
}
//删除文件内容
public static void clearCash(final String pPath) {
File dir = new File(pPath);
deleteDirWihtFile(dir);
}
public static void deleteDirWihtFile(File dir) {
if (dir == null || !dir.exists() || !dir.isDirectory())
return;
for (File file : dir.listFiles()) {
if (file.isFile())
file.delete(); // 删除所有文件
else if (file.isDirectory())
deleteDirWihtFile(file); // 递规的方式删除文件夹
}
dir.delete();// 删除目录本身
}
/**
* 获取当前日期
*
* @return
*/
public static String getDate() {
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
Date date = new Date(System.currentTimeMillis());
return format.format(date);
}
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