import android.app.ActivityManager;
import android.content.ComponentName;
import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.text.Editable;
import android.text.Selection;
import android.text.TextUtils;
import android.view.KeyEvent;
import android.view.View;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputMethodManager;
import android.widget.EditText;
import android.widget.TextView;
import java.util.List;
import java.util.Timer;
import java.util.TimerTask;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class AppUtil {
private AppUtil() {
}
/**
* 隐藏输入框
* @param view view
*/
public static void hideSoftInput(View view) {
if (view != null && view.getWindowToken() != null) {
InputMethodManager imm = (InputMethodManager) view.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
imm.hideSoftInputFromWindow(view.getWindowToken(), 0);
}
}
/**
* 显示输入框
* @param view view
*/
public static void showSoftInput(final View view) {
showSoftInput(view, 200);
}
/**
* 显示输入框
* @param view view
* @param delay 延时 毫秒
*/
public static void showSoftInput(final View view, int delay) {
view.requestFocus();
Timer timer = new Timer();
timer.schedule(new TimerTask() {
@Override
public void run() {
InputMethodManager m = (InputMethodManager) view.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
m.toggleSoftInput(0, InputMethodManager.HIDE_NOT_ALWAYS);
}
}, delay);
}
/**
* 移动光标到文本框最后
* @param editText EditText
*/
public static void moveSelectionToEnd(EditText editText) {
Editable etext = editText.getText();
Selection.setSelection(etext, etext.length());
}
/**
* 获取版本号
* @param context 上下文对象
*/
public static int getVersionCode(Context context) {
PackageInfo info = getPackageInfo(context);
if (info != null) {
return info.versionCode;
}
return -1;
}
/**
* 获取版本名
* @return 版本名称
*/
public static String getVersionName(Context context){
String versionName;
//获取版本类型
PackageManager manager = context.getPackageManager();
PackageInfo info;
try {
info = manager.getPackageInfo(context.getPackageName(), 0);
versionName = info.versionName;
} catch (NameNotFoundException e) {
versionName = "other";
}
return versionName;
}
/**
* 获取包信息
* @param context 上下文对象
*/
public static PackageInfo getPackageInfo(Context context) {
try {
PackageInfo info = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
return info;
} catch (NameNotFoundException e) {
}
return null;
}
/**
* 是否包含中文
* @param sequence 验证字符串
* @return 是否包含中文
*/
public static boolean isContainChinese(String sequence) {
final String format = "[\\u4E00-\\u9FA5\\uF900-\\uFA2D]";
Pattern pattern = Pattern.compile(format);
Matcher matcher = pattern.matcher(sequence);
return matcher.find();
}
/**
* 判断邮箱格式
* @param str 验证字符串
* @return 是否邮箱
*/
public static boolean isEmail(String str) {
String check = "\\w+([-.]\\w+)*@\\w+([-]\\w+)*\\.(\\w+([-]\\w+)*\\.)*[a-z]{2,3}$";
Pattern regex = Pattern.compile(check);
Matcher matcher = regex.matcher(str);
if (matcher.matches()) {
return true;
} else {
return false;
}
}
/**
* 验证是否是手机号码
* @param str 验证字符串
* @return 是否手机号
*/
public static boolean isMobile(String str) {
String NUM = "+86";
boolean flag = false;
if (TextUtils.isEmpty(str)) {
return flag;
} else {
if (str.indexOf(NUM) > -1) {
str = str.substring(NUM.length(), str.length());
}
if (str.charAt(0) == '0') {
str = str.substring(1, str.length());
}
String rex = "^1\\d{10}$";
str = removeBlanks(str);
if (str.matches(rex)) {
flag = true;
}
return flag;
}
}
/**
* 删除字符串中的空白符
* @param content 字符串内容
* @return String 删除后的内容
*/
public static String removeBlanks(String content) {
if (content == null) {
return null;
}
StringBuffer buff = new StringBuffer();
buff.append(content);
for (int i = buff.length() - 1; i >= 0; i--) {
if (' ' == buff.charAt(i) || ('\n' == buff.charAt(i)) || ('\t' == buff.charAt(i)) || ('\r' == buff.charAt(i))) {
buff.deleteCharAt(i);
}
}
return buff.toString();
}
/**
* 18位或者15位身份证验证 18位的最后一位可以是字母x
* @param text 字符串
* @return 是否是身份证
*/
public static boolean personIdValidation(String text) {
boolean flag = false;
String regx = "[0-9]{17}x";
String reg1 = "[0-9]{15}";
String regex = "[0-9]{18}";
flag = text.matches(regx) || text.matches(reg1) || text.matches(regex);
return flag;
}
/**
* 点击输入法中“下一个”将焦点与光标跳转到下一输入框中
* @param currentEt 当前的输入框
* @param nextEt 下一个输入框
*/
public static void setInputType(final EditText currentEt, final EditText nextEt) {
currentEt.setSingleLine(true); // android:singleLine=”true”
currentEt.setImeOptions(EditorInfo.IME_ACTION_NEXT);
currentEt.setOnEditorActionListener(new TextView.OnEditorActionListener() {
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
if (actionId == EditorInfo.IME_ACTION_NEXT || (event != null && event.getKeyCode() == KeyEvent.KEYCODE_ENTER)) {
currentEt.clearFocus();
nextEt.requestFocus();
return true;
}
return false;
}
});
}
/**
* 获取当前进程名称
* @param context context
* @return 进程名称
*/
public static String getCurProcessName(Context context) {
int pid = android.os.Process.myPid();
ActivityManager activityManager = (ActivityManager) context
.getSystemService(Context.ACTIVITY_SERVICE);
for (ActivityManager.RunningAppProcessInfo appProcess : activityManager
.getRunningAppProcesses()) {
if (appProcess.pid == pid) {
return appProcess.processName;
}
}
return null;
}
/**
* 判断某个界面是否在前台
*
* @param context context
* @param className
* 某个界面名称
*/
public static boolean isForeground(Context context, String className) {
if (context == null || TextUtils.isEmpty(className)) {
return false;
}
ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
List<activitymanager.runningtaskinfo> list = am.getRunningTasks(1);
if (list != null && list.size() > 0) {
ComponentName cpn = list.get(0).topActivity;
if (className.equals(cpn.getClassName())) {
return true;
}
}
return false;
}
}</activitymanager.runningtaskinfo>
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