android快速開発(二)補助類の使用:開発速度の加速
補助クラスの使用:開発の高速化
さぎょう
その名の通り、開発速度を向上させ、絶え間ない開発の中で補助類を最適化することもでき、最後には応用品質を向上させることができる.
単純な補助クラス
L(Log)
T(Toast)
SPUtil(sharedpreferencesツールクラス)
TextUtils
FormatTools(いくつかのフォーマットを判断するツールクラス)
ScreenUtils(スクリーンツールクラス)
さぎょう
その名の通り、開発速度を向上させ、絶え間ない開発の中で補助類を最適化することもでき、最後には応用品質を向上させることができる.
単純な補助クラス
L(Log)
package com.yqy.yqy_abstract.utils;
import android.util.Log;
public class L {
/**
* ， false
*/
public static boolean isShow = true;
public static String TAG = "YQY";
/**
*
* @param tag
* tag
* @param msg
*/
public static void e(String tag, String msg) {
if (isShow)
Log.e(tag, msg);
}
/**
* tag
*
* @param msg
*/
public static void e(String msg) {
if (isShow)
Log.e(TAG, msg);
}
// ...
}
T(Toast)
package com.yqy.yqy_abstract.utils;
import android.content.Context;
import android.widget.Toast;
public class T {
/**
* ， false
*/
public static boolean isShow = true;
public static void showShort(Context context, String text) {
if (isShow)
Toast.makeText(context, text, Toast.LENGTH_SHORT).show();
}
public static void showLong(Context context, String text) {
if (isShow)
Toast.makeText(context, text, Toast.LENGTH_LONG).show();
}
}
SPUtil(sharedpreferencesツールクラス)
package com.yqy.yqy_abstract.utils;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
/**
* sharedpreferences
*
* @author YQY
*
*/
public class SPUtil {
private SharedPreferences sp;
private static SPUtil instance = null;
public static SPUtil getInstance() {
synchronized (SPUtil.class) {
if (instance == null)
instance = new SPUtil();
}
return instance;
}
public void write(String key, String value) {
Editor editor = sp.edit();
editor.putString(key, value);
editor.commit();
}
public void write(String key, int value) {
Editor editor = sp.edit();
editor.putInt(key, value);
editor.commit();
}
public void write(String key, boolean value) {
Editor editor = sp.edit();
editor.putBoolean(key, value);
editor.commit();
}
/**
* key
*
* @param key
*/
public void remove(String key) {
Editor editor = sp.edit();
editor.remove(key);
editor.commit();
}
public int read(String key, int defaultValue) {
return sp.getInt(key, defaultValue);
}
public boolean read(String key, Boolean defaultValue) {
return sp.getBoolean(key, defaultValue);
}
public String read(String key, String defaultValue) {
return sp.getString(key, defaultValue);
}
}
TextUtils
package com.yqy.yqy_abstract.utils;
public class TextUtils {
public static boolean isEmpty(String str) {
if (str == null || str.length() == 0)
return true;
return false;
}
}
FormatTools(いくつかのフォーマットを判断するツールクラス)
package com.yqy.yqy_abstract.utils;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import android.util.Log;
/**
*
*
* @author YQY
*
*/
public class FormatTools {
/**
*
*/
public static boolean isName(String name) {
String str = "^[\u4e00-\u9fa5]{2,5}$";
Pattern p = Pattern.compile(str);
Matcher m = p.matcher(name);
return m.matches();
}
/****
*
* ， _ , 2-15
* ***/
public static boolean isNameCus(String name)
{
String str = "[\u4e00-\u9fa5_a-zA-Z0-9_]{2,15}" ;
Pattern p = Pattern.compile(str);
Matcher m = p.matcher(name);
return m.matches();
}
/**
*
*/
public static boolean isWebSite(String name) {
String str = "\\.[a-zA-Z]{3}$";
Pattern p = Pattern.compile(str);
Matcher m = p.matcher(name);
return m.matches();
}
/**
*
*
* @param email
* @return
*/
public static boolean isEmail(String email) {
String str = "^([a-zA-Z0-9_\\-\\.]+)@((\\[[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.)|(([a-zA-Z0-9\\-]+\\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)$";
Pattern p = Pattern.compile(str);
Matcher m = p.matcher(email);
return m.matches();
}
//
public static boolean IsPhoneNum(String mobiles) {
if (mobiles.trim().length() == 11) {
Pattern p = Pattern
.compile("^((13[0-9])|(15[0-9])|(18[0-9])|(17[0-9]))\\d{8}$");
Matcher m = p.matcher(mobiles);
Log.d("IsPhoneNum", m.matches() + "");
return m.matches();
}
return false;
}
//
public static boolean IsCallNum(String mobiles) {
boolean isValid = false;
CharSequence inputStr = mobiles;
String expression = "^(0\\d{2,3})(\\d{7,8})(\\d{3,})?$";
Pattern pattern = Pattern.compile(expression);
Matcher matcher = pattern.matcher(inputStr);
if (matcher.matches()) {
isValid = true;
}
return isValid;
}
//
public static boolean IsAllCallNum(String mobiles) {
boolean isValid = false;
String expression = "(^((13[0-9])|(15[^4,\\D])|(18[0,2,5-9]))\\d{8}$)|"
+ "(^(0\\d{2,3})(\\d{7,8})(\\d{3,})?$)";
CharSequence inputStr = mobiles;
Pattern pattern = Pattern.compile(expression);
Matcher matcher = pattern.matcher(inputStr);
if (matcher.matches()) {
isValid = true;
}
return isValid;
}
//
public static boolean isNumeric(String str) {
for (int i = 0; i < str.length(); i++) {
// System.out.println(str.charAt(i));
if (!Character.isDigit(str.charAt(i))) {
return false;
}
}
return true;
}
/**
*
*
* @param str
*
*
* @return true, false
*/
public static boolean isInteger(String str) {
Pattern pattern = Pattern.compile("^[-\\+]?[\\d]*$");
return pattern.matcher(str).matches();
}
/**
* 6-16
*
* @param str
* @return
*/
public static boolean isPwd(String str) {
Pattern pattern = Pattern.compile("^[a-z0-9A-Z]+$");
return pattern.matcher(str).matches();
}
/**
*
*
* @param second
* @return
*/
public static String changeTotime(int second) {
int h = 0;
int d = 0;
int s = 0;
int temp = second % 3600;
if (second > 3600) {
h = second / 3600;
if (temp != 0) {
if (temp > 60) {
d = temp / 60;
if (temp % 60 != 0) {
s = temp % 60;
}
} else {
s = temp;
}
}
} else {
d = second / 60;
if (second % 60 != 0) {
s = second % 60;
}
}
// return h + " " + d + " " + s + " ";
return h + " " + d + " ";
}
/**
* & /
*
* @return
*/
public static boolean isContent(String content) {
if (content.contains("&") || content.contains("/")) {
return true;
}
return false;
}
/**
*
*/
public static String miToGl(int distance) {
double dis = Math.round(distance / 100d) / 10d;
return dis + " ";
}
/**
*
*/
public static boolean notMood(String str_mood) {
boolean isValid = false;
CharSequence inputStr = str_mood;
String expression = "^([a-z]|[A-Z]|[0-9]|[\u2E80-\u9FFF]){3,}|@(?:[\\w](?:[\\w-]*[\\w])?\\.)+[\\w](?:[\\w-]*[\\w])?|[wap.]{4}|[www.]{4}|[blog.]{5}|[bbs.]{4}|[.com]{4}|[.cn]{3}|[.net]{4}|[.org]{4}|[http://]{7}|[ftp://]{6}$|(^[A-Za-z\\d\\u4E00-\\u9FA5\\p{P}‘’“”]+$)|(^[0-9a-zA-Z\u4E00-\u9FA5]+)";
Pattern pattern = Pattern.compile(expression);
Matcher matcher = pattern.matcher(inputStr);
if (matcher.matches()) {
isValid = true;
}
return isValid;
}
}
ScreenUtils(スクリーンツールクラス)
package com.yqy.yqy_abstract.utils;
import android.app.Activity;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Rect;
import android.util.DisplayMetrics;
import android.view.View;
import android.view.WindowManager;
/**
*
*
* @author YQY
*
*/
public class ScreenUtils {
/**
*
*
*/
public static int getScreenWidth(Context context) {
WindowManager wm = (WindowManager) context
.getSystemService(Context.WINDOW_SERVICE);
DisplayMetrics outMetrics = new DisplayMetrics();
wm.getDefaultDisplay().getMetrics(outMetrics);
int width = outMetrics.widthPixels;
return width;
}
/**
*
*/
public static int getScreenHeight(Context context) {
WindowManager wm = (WindowManager) context
.getSystemService(Context.WINDOW_SERVICE);
DisplayMetrics outMetrics = new DisplayMetrics();
wm.getDefaultDisplay().getMetrics(outMetrics);
int height = outMetrics.heightPixels;
return height;
}
/**
*
*/
public static float getScreenDensity(Context context) {
WindowManager wm = (WindowManager) context
.getSystemService(Context.WINDOW_SERVICE);
DisplayMetrics outMetrics = new DisplayMetrics();
wm.getDefaultDisplay().getMetrics(outMetrics);
float density = outMetrics.density;
return density;
}
/**
*
*/
public static int getStatusHeight(Context context) {
int statusHeight = -1;
try {
Class<?> clazz = Class.forName("com.android.internal.R$dimen");
Object object = clazz.newInstance();
int height = Integer.parseInt(clazz.getField("status_bar_height")
.get(object).toString());
statusHeight = context.getResources().getDimensionPixelSize(height);
} catch (Exception e) {
e.printStackTrace();
}
return statusHeight;
}
/**
* ，
*/
public static Bitmap snapShotWithStatusBar(Activity activity) {
View view = activity.getWindow().getDecorView();
view.setDrawingCacheEnabled(true);
view.buildDrawingCache();
Bitmap bmp = view.getDrawingCache();
int width = getScreenWidth(activity);
int height = getScreenHeight(activity);
Bitmap bp = null;
bp = Bitmap.createBitmap(bmp, 0, 0, width, height);
view.destroyDrawingCache();
return bp;
}
/**
* ，
*/
public static Bitmap snapShotWithoutStatusBar(Activity activity) {
View view = activity.getWindow().getDecorView();
view.setDrawingCacheEnabled(true);
view.buildDrawingCache();
Bitmap bmp = view.getDrawingCache();
Rect frame = new Rect();
activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame);
int statusBarHeight = frame.top;
int width = getScreenWidth(activity);
int height = getScreenHeight(activity);
Bitmap bp = null;
bp = Bitmap.createBitmap(bmp, 0, statusBarHeight, width, height
- statusBarHeight);
view.destroyDrawingCache();
return bp;
}
}