Android 之常用工具类（后续）

/**
* 保存在手机里面的文件名
*/
private static SharedPreferencesUtils mSpUtils;
public static final String FILE_NAME = "share_data";
/**
* 保存数据的方法，我们需要拿到保存数据的具体类型，然后根据类型调用不同的保存方法
*
* @param context    上下文
* @param key        键
* @param object     值
*/

//提供单例  懒汉模式 线程安全
private SharedPreferencesUtils (){}
public static synchronized SharedPreferencesUtils getInstance(){
if(mSpUtils==null){
mSpUtils=new SharedPreferencesUtils();
}
return mSpUtils;
}

public static void put(Context context, String key, Object object) {

SharedPreferences sp = context.getSharedPreferences(FILE_NAME,
Context.MODE_PRIVATE);
SharedPreferences.Editor editor = sp.edit();
if (object instanceof String) {
editor.putString(key, (String) object);

} else if (object instanceof Integer) {
editor.putInt(key, (Integer) object);

} else if (object instanceof Boolean) {
editor.putBoolean(key, (Boolean) object);

} else if (object instanceof Float) {
editor.putFloat(key, (Float) object);
} else if (object instanceof Long) {
editor.putLong(key, (Long) object);
} else {
editor.putString(key, object.toString());
}
// 一定要提交
editor.commit();

}

/**
* 得到保存数据的方法，我们根据默认值得到保存的数据的具体类型，然后调用相对于的方法获取值
*
* @param context   上下文
* @param key       键
* @param defaultObject  默认值
* @return
*/
public static Object get(Context context, String key, Object defaultObject) {
SharedPreferences sp = context.getSharedPreferences(FILE_NAME,
Context.MODE_PRIVATE);
if (defaultObject instanceof String) {
return sp.getString(key, (String) defaultObject);
} else if (defaultObject instanceof Integer) {
return sp.getInt(key, (Integer) defaultObject);
} else if (defaultObject instanceof Boolean) {
return sp.getBoolean(key, (Boolean) defaultObject);
} else if (defaultObject instanceof Float) {
return sp.getFloat(key, (Float) defaultObject);
} else if (defaultObject instanceof Long) {
return sp.getLong(key, (Long) defaultObject);
}

return null;
}

/**
* 移除某个key值已经对应的值
*
* @param context
* @param key
*/

public static void remove(Context context, String key) {
SharedPreferences sp = context.getSharedPreferences(FILE_NAME,
Context.MODE_PRIVATE);
SharedPreferences.Editor editor = sp.edit();
editor.remove(key);
editor.commit();
}

/**
* 清除所有数据
*
* @param context
*/
public static void clear(Context context) {
SharedPreferences sp = context.getSharedPreferences(FILE_NAME,
Context.MODE_PRIVATE);
SharedPreferences.Editor editor = sp.edit();
editor.clear();
editor.commit();
}
/**
* 查询某个key是否已经存在
*
* @param context
* @param key
* @return
*/
public static boolean contains(Context context, String key) {
SharedPreferences sp = context.getSharedPreferences(FILE_NAME,
Context.MODE_PRIVATE);
return sp.contains(key);
}

/**
* 返回所有的键值对
*
* @param context
* @return
*/
public static Map<String, ?> getAll(Context context) {
SharedPreferences sp = context.getSharedPreferences(FILE_NAME,
Context.MODE_PRIVATE);
return sp.getAll();
}

public class APPUtils {

private APPUtils() {

}

/**
* 获取应用程序名称
*/
public static String getAppName(Context context) {
try {
PackageManager packageManager = context.getPackageManager();
PackageInfo packageInfo = packageManager.getPackageInfo(
context.getPackageName(), 0);
int labelRes = packageInfo.applicationInfo.labelRes;
return context.getResources().getString(labelRes);
} catch (NameNotFoundException e) {
e.printStackTrace();
}
return null;
}

/**
* [获取应用程序版本名称信息]
*
* @param context
* @return 当前应用的版本名称
*/

public static String getVersionName(Context context) {
try {
PackageManager packageManager = context.getPackageManager();
PackageInfo packageInfo = packageManager.getPackageInfo(
context.getPackageName(), 0);
return packageInfo.versionName;

} catch (NameNotFoundException e) {
e.printStackTrace();
}
return null;
}

}

public class ScreenUtils {

private ScreenUtils() {

}

/**
* 获得屏幕高度
*
* @param context
* @return
*/

public static int getScreenWidth(Context context) {
WindowManager wm = (WindowManager) context
.getSystemService(Context.WINDOW_SERVICE);
DisplayMetrics outMetrics = new DisplayMetrics();
wm.getDefaultDisplay().getMetrics(outMetrics);
return outMetrics.widthPixels;
}

/**
* 获得屏幕宽度
*
* @param context
* @return
*/
public static int getScreenHeight(Context context) {
WindowManager wm = (WindowManager) context
.getSystemService(Context.WINDOW_SERVICE);
DisplayMetrics outMetrics = new DisplayMetrics();
wm.getDefaultDisplay().getMetrics(outMetrics);
return outMetrics.heightPixels;
}

/**
* 获得状态栏的高度
*
* @param context
* @return
*/
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 class KeyBoardUtils {
/**
* 打卡软键盘
*
* @param mEditText
*            输入框
* @param mContext
*            上下文
*/

public static void openKeybord(EditText mEditText, Context mContext) {
InputMethodManager imm = (InputMethodManager) mContext
.getSystemService(Context.INPUT_METHOD_SERVICE);
imm.showSoftInput(mEditText, InputMethodManager.RESULT_SHOWN);
imm.toggleSoftInput(InputMethodManager.SHOW_FORCED,
InputMethodManager.HIDE_IMPLICIT_ONLY);
}

/**
* 关闭软键盘
*
* @param mEditText
*            输入框
* @param mContext
*            上下文
*/
public static void closeKeybord(EditText mEditText, Context mContext) {
InputMethodManager imm = (InputMethodManager) mContext
.getSystemService(Context.INPUT_METHOD_SERVICE);
imm.hideSoftInputFromWindow(mEditText.getWindowToken(), 0);
}
}

public class NetUtils{
private NetUtils() {
/* cannot be instantiated */
}

/**
* 判断网络是否连接
*/
public static boolean isConnected(Context context) {
ConnectivityManager connectivity = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);

if (null != connectivity) {
NetworkInfo info = connectivity.getActiveNetworkInfo();
if (null != info && info.isConnected()) {
if (info.getState() == NetworkInfo.State.CONNECTED) {
return true;
}
}
}
return false;
}

/**
* 判断是否是wifi连接
*/
public static boolean isWifi(Context context) {
ConnectivityManager cm = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);

if (cm == null)
return false;
return cm.getActiveNetworkInfo().getType() == ConnectivityManager.TYPE_WIFI;

}

/**
* 打开网络设置界面
*/
public static void openSetting(Activity activity) {
Intent intent = new Intent("/");
ComponentName cm = new ComponentName("com.android.settings",
"com.android.settings.WirelessSettings");
intent.setComponent(cm);
intent.setAction("android.intent.action.VIEW");
activity.startActivityForResult(intent, 0);
}

}

public abstract class SingletonUtils<T> {

private T instance;

protected abstract T newInstance();

public final T getInstance() {
if (instance == null) {
synchronized (SingletonUtils.class) {
if (instance == null) {
instance = newInstance();
}
}
}
return instance;
}
}

private static Bitmap output;
/**
* 转换图片转换成圆角.
*
* @param bitmap
*            传入Bitmap对象
* @return the bitmap
*/
public static Bitmap toRoundBitmap(Bitmap bitmap) {
if (bitmap == null) {
return null;
}
int width = bitmap.getWidth();
int height = bitmap.getHeight();
float roundPx;
float left, top, right, bottom, dst_left, dst_top, dst_right, dst_bottom;
if (width <= height) {
roundPx = width / 2;
top = 0;
bottom = width;
left = 0;
right = width;
height = width;
dst_left = 0;
dst_top = 0;
dst_right = width;
dst_bottom = width;
} else {
roundPx = height / 2;
float clip = (width - height) / 2;
left = clip;
right = width - clip;
top = 0;
bottom = height;
width = height;
dst_left = 0;
dst_top = 0;
dst_right = height;
dst_bottom = height;
}

Bitmap output = Bitmap.createBitmap(width, height, Config.ARGB_8888);
Canvas canvas = new Canvas(output);
final int color = 0xff424242;
final Paint paint = new Paint();
final Rect src = new Rect((int) left, (int) top, (int) right,
(int) bottom);
final Rect dst = new Rect((int) dst_left, (int) dst_top,
(int) dst_right, (int) dst_bottom);
final RectF rectF = new RectF(dst);
paint.setAntiAlias(true);
canvas.drawARGB(0, 0, 0, 0);
paint.setColor(color);
canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
canvas.drawBitmap(bitmap, src, dst, paint);
return output;
}

/**
* 将图片圆形化
*
* @param bitmap
* @return
*/
public static Bitmap getRoundedCornerBitmap(Bitmap bitmap) {

Bitmap output = null;
if (bitmap != null) {

int width = bitmap.getWidth();
int height = bitmap.getHeight();
float roundPx;
float left, top, right, bottom, dst_left, dst_top, dst_right, dst_bottom;
if (width <= height) {
roundPx = width / 2;
top = 0;
bottom = width;
left = 0;
right = width;
height = width;
dst_left = 0;
dst_top = 0;
dst_right = width;
dst_bottom = width;
} else {
roundPx = height / 2;
float clip = (width - height) / 2;
left = clip;
right = width - clip;
top = 0;
bottom = height;
width = height;
dst_left = 0;
dst_top = 0;
dst_right = height;
dst_bottom = height;
}
output = Bitmap.createBitmap(width, height,
android.graphics.Bitmap.Config.ARGB_4444);
Canvas canvas = new Canvas(output);
canvas.setDrawFilter(new PaintFlagsDrawFilter(0,
Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG));
final int color = 0xff424242;
final Paint paint = new Paint();
final Rect src = new Rect((int) left, (int) top, (int) right,
(int) bottom);
final Rect dst = new Rect((int) dst_left, (int) dst_top,
(int) dst_right, (int) dst_bottom);
final RectF rectF = new RectF(dst);
paint.setAntiAlias(true);
canvas.drawARGB(0, 0, 0, 0);
paint.setColor(color);
canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
canvas.drawBitmap(bitmap, src, dst, paint);

bitmap = output;
return bitmap;
}
output = null;
return null;
}

private static String strYear;
private static String strMonth;
private static String strDay;
private static String sex;

/**
*
* 正则验证身份证是否有效
*
* @param idCard    身份证号码
* @return
*/

public static boolean ifIdCard(String idCard){
String idCardReg="^(\\d{15}$|^\\d{18}$|^\\d{17}(\\d|X|x))$";
if(idCard.matches(idCardReg)){
return true;

}else {

return false;
}
}

/**
*
* @param mesg     根据身份份证号获取生日
* @return
*/
public static String SetbirthDay(String mesg){
if(mesg!=null&&mesg!=""&& mesg.length()==18){

strYear = mesg.substring(6, 10);
strMonth = mesg.substring(10, 12);
strDay = mesg.substring(12, 14);

}
return strYear+"-"+strMonth+"-"+strDay;

}
/**
*
* @param mesg  根据身份证号获取性别
* @return
*/

public static String setSex(String mesg){
if(mesg!=null &&mesg!="" &&mesg.length()==18){

sex = mesg.substring(16, 17);
}

if(mesg!=null &&mesg!="" &&mesg.length()==18){

if(Integer.parseInt(sex)%2==0){
sex = "女";
}else{
sex ="男";
}

}
return sex;

}