package com.yidianling.common.tools;
import android.content.Context;
import android.os.Handler;
import android.os.HandlerThread;
import android.text.InputFilter;
import android.text.InputType;
import android.text.Spanned;
import android.view.View;
import android.view.ViewGroup;
import android.widget.EditText;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.TextView;
import com.yidianling.common.interfaces.OnDelayListener;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
/**
* Created by vondear on 2016/1/24.
* RxTools的常用工具类
* <p>
* For the brave souls who get this far: You are the chosen ones,
* the valiant knights of programming who toil away, without rest,
* fixing our most awful code. To you, true saviors, kings of men,
* I say this: never gonna give you up, never gonna let you down,
* never gonna run around and desert you. Never gonna make you cry,
* never gonna say goodbye. Never gonna tell a lie and hurt you.
* <p>
* 致终于来到这里的勇敢的人：
* 你是被上帝选中的人，是英勇的、不敌辛苦的、不眠不休的来修改我们这最棘手的代码的编程骑士。
* 你，我们的救世主，人中之龙，我要对你说：永远不要放弃，永远不要对自己失望，永远不要逃走，辜负了自己，
* 永远不要哭啼，永远不要说再见，永远不要说谎来伤害自己。
*/
public class RxTool {
private static Context context;
private static long lastClickTime;
/**
* 初始化工具类
*
* @param context 上下文
*/
public static void init(Context context) {
RxTool.context = context.getApplicationContext();
RxCrashTool.init(context);
}
/**
* 在某种获取不到 Context 的情况下，即可以使用才方法获取 Context
* <p>
* 获取ApplicationContext
*
* @return ApplicationContext
*/
public static Context getContext() {
if (context != null) return context;
throw new NullPointerException("请先调用init()方法");
}
//==============================================================================================延时任务封装 end
//----------------------------------------------------------------------------------------------延时任务封装 start
public static void delayToDo(long delayTime, final OnDelayListener onDelayListener) {
new Handler().postDelayed(new Runnable() {
public void run() {
//execute the task
onDelayListener.doSomething();
}
}, delayTime);
}
/**
* 倒计时
*
* @param textView 控件
* @param waitTime 倒计时总时长
* @param interval 倒计时的间隔时间
* @param hint 倒计时完毕时显示的文字
*/
public static void countDown(final TextView textView, long waitTime, long interval, final String hint) {
textView.setEnabled(false);
android.os.CountDownTimer timer = new android.os.CountDownTimer(waitTime, interval) {
@Override
public void onTick(long millisUntilFinished) {
textView.setText("剩下 " + (millisUntilFinished / 1000) + " S");
}
@Override
public void onFinish() {
textView.setEnabled(true);
textView.setText(hint);
}
};
timer.start();
}
/**
* 手动计算出listView的高度，但是不再具有滚动效果
*
* @param listView
*/
public static void fixListViewHeight(ListView listView) {
// 如果没有设置数据适配器，则ListView没有子项，返回。
ListAdapter listAdapter = listView.getAdapter();
int totalHeight = 0;
if (listAdapter == null) {
return;
}
for (int index = 0, len = listAdapter.getCount(); index < len; index++) {
View listViewItem = listAdapter.getView(index, null, listView);
// 计算子项View 的宽高
listViewItem.measure(0, 0);
// 计算所有子项的高度
totalHeight += listViewItem.getMeasuredHeight();
}
ViewGroup.LayoutParams params = listView.getLayoutParams();
// listView.getDividerHeight()获取子项间分隔符的高度
// params.height设置ListView完全显示需要的高度
params.height = totalHeight + (listView.getDividerHeight() * (listAdapter.getCount() - 1));
listView.setLayoutParams(params);
}
//---------------------------------------------MD5加密-------------------------------------------
/**
* 生成MD5加密32位字符串
*
* @param MStr :需要加密的字符串
* @return
*/
public static String Md5(String MStr) {
try {
final MessageDigest mDigest = MessageDigest.getInstance("MD5");
mDigest.update(MStr.getBytes());
return bytesToHexString(mDigest.digest());
} catch (NoSuchAlgorithmException e) {
return String.valueOf(MStr.hashCode());
}
}
// MD5内部算法---------------不能修改!
private static String bytesToHexString(byte[] bytes) {
// http://stackoverflow.com/questions/332079
StringBuilder sb = new StringBuilder();
for (int i = 0; i < bytes.length; i++) {
String hex = Integer.toHexString(0xFF & bytes[i]);
if (hex.length() == 1) {
sb.append('0');
}
sb.append(hex);
}
return sb.toString();
}
//============================================MD5加密============================================
/**
* 根据资源名称获取资源 id
* <p>
* 不提倡使用这个方法获取资源,比其直接获取ID效率慢
* <p>
* 例如
* getResources().getIdentifier("ic_launcher", "drawable", getPackageName());
*
* @param context
* @param name
* @param defType
* @return
*/
public static final int getResIdByName(Context context, String name, String defType) {
return context.getResources().getIdentifier("ic_launcher", "drawable", context.getPackageName());
}
public static boolean isFastClick(int millisecond) {
long curClickTime = System.currentTimeMillis();
long interval = (curClickTime - lastClickTime);
if (0 < interval && interval < millisecond) {
// 超过点击间隔后再将lastClickTime重置为当前点击时间
return true;
}
lastClickTime = curClickTime;
return false;
}
/**
* Edittext 首位小数点自动加零，最多两位小数
*
* @param editText
*/
public static void setEdTwoDecimal(EditText editText) {
setEdDecimal(editText, 3);
}
public static void setEdDecimal(EditText editText, int count) {
if (count < 1) {
count = 1;
}
editText.setInputType(InputType.TYPE_NUMBER_FLAG_DECIMAL | InputType.TYPE_CLASS_NUMBER);
//设置字符过滤
final int finalCount = count;
editText.setFilters(new InputFilter[]{new InputFilter() {
@Override
public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend) {
if (source.equals(".") && dest.toString().length() == 0) {
return "0.";
}
if (dest.toString().contains(".")) {
int index = dest.toString().indexOf(".");
int mlength = dest.toString().substring(index).length();
if (mlength == finalCount) {
return "";
}
}
return null;
}
}});
}
public static void setEditNumberPrefix(final EditText edSerialNumber, final int number) {
edSerialNumber.setOnFocusChangeListener(new View.OnFocusChangeListener() {
@Override
public void onFocusChange(View v, boolean hasFocus) {
if (!hasFocus) {
String s = edSerialNumber.getText().toString();
String temp = "";
for (int i = s.length(); i < number; i++) {
s = "0" + s;
}
for (int i = 0; i < number; i++) {
temp += "0";
}
if (s.equals(temp)) {
s = temp.substring(1) + "1";
}
edSerialNumber.setText(s);
}
}
});
}
public static Handler getBackgroundHandler() {
HandlerThread thread = new HandlerThread("background");
thread.start();
Handler mBackgroundHandler = new Handler(thread.getLooper());
return mBackgroundHandler;
}
}