/*
* framework工具�?
*/
public class Utils {
/** tag */
private static final String TAG = "Utils";
/**
* 安装某个应用
*
* @param context
* @param apkFile
* @return
*/
public static boolean installApp(Context context, File apkFile) {
try {
context.startActivity(getInstallAppIntent(apkFile));
return true;
} catch (Exception e) {
Log.w(TAG, e);
}
return false;
}
/**
* 获取安装应用的Intent
*
* @param apkFile
* @return
*/
public static Intent getInstallAppIntent(File apkFile) {
if (apkFile == null || !apkFile.exists()) {
return null;
}
Utils.chmod("777", apkFile.getAbsolutePath());
Uri uri = Uri.fromFile(apkFile);
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.setDataAndType(uri, "application/vnd.android.package-archive");
return intent;
}
/**
* �?查某个包名的App是否已经安装
*
* @param context
* @param packageName
* @return
*/
public static boolean hasAppInstalled(Context context, String packageName) {
try {
PackageManager packageManager = context.getPackageManager();
packageManager.getPackageInfo(packageName,
PackageManager.GET_ACTIVITIES);
} catch (Exception e) {
return false;
}
return true;
}
/**
* 根据包名启动第三方App
*
* @param context
* @param packageName
* @return
*/
public static boolean launchAppByPackageName(Context context,
String packageName) {
if (TextUtils.isEmpty(packageName)) {
return false;
}
try {
Intent intent = context.getPackageManager()
.getLaunchIntentForPackage(packageName);
if (intent != null) {
context.startActivity(intent);
return true;
}
} catch (Exception e) {
Log.w(TAG, e);
}
return false;
}
public static String getAssetsFie(Context context, String name)
throws IOException {
InputStream is = context.getAssets().open(name);
int size = is.available();
// Read the entire asset into a local byte buffer.
byte[] buffer = new byte[size];
is.read(buffer);
is.close();
String content = new String(buffer, "UTF-8");
return content;
}
/**
* 是否为wifi连接状�??
*
* @param context
* @return
*/
public static boolean isWifiConnect(Context context) {
ConnectivityManager connectivitymanager = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo networkinfo = connectivitymanager.getActiveNetworkInfo();
if (networkinfo != null) {
if ("wifi".equals(networkinfo.getTypeName().toLowerCase(Locale.US))) {
return true;
}
}
return false;
}
/**
* 是否有网络连�?
*
* @param context
* @return
*/
public static boolean isNetConnect(Context context) {
ConnectivityManager connectivitymanager = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo networkinfo = connectivitymanager.getActiveNetworkInfo();
return networkinfo != null;
}
/**
* 获取权限
*
* @param permission
* 权限
* @param path
* 文件路径
*/
public static void chmod(String permission, String path) {
try {
String command = "chmod " + permission + " " + path;
Runtime runtime = Runtime.getRuntime();
runtime.exec(command);
} catch (IOException e) {
Log.e(TAG, "chmod", e);
}
}
/**
* 是否安装了sdcard�?
*
* @return true表示有，false表示没有
*/
public static boolean haveSDCard() {
if (android.os.Environment.getExternalStorageState().equals(
android.os.Environment.MEDIA_MOUNTED)) {
return true;
}
return false;
}
/**
* 获取系统内部可用空间大小
*
* @return available size
*/
public static long getSystemAvailableSize() {
File root = Environment.getRootDirectory();
StatFs sf = new StatFs(root.getPath());
long blockSize = sf.getBlockSize();
long availCount = sf.getAvailableBlocks();
return availCount * blockSize;
}
/**
* 获取sd卡可用空间大�?
*
* @return available size
*/
public static long getSDCardAvailableSize() {
long available = 0;
if (haveSDCard()) {
File path = Environment.getExternalStorageDirectory();
StatFs statfs = new StatFs(path.getPath());
long blocSize = statfs.getBlockSize();
long availaBlock = statfs.getAvailableBlocks();
available = availaBlock * blocSize;
} else {
available = -1;
}
return available;
}
/**
* 获取application层级的metadata
*
* @param context
* @param key
* @return
*/
public static String getApplicationMetaData(Context context, String key) {
try {
Object metaObj = context.getPackageManager().getApplicationInfo(
context.getPackageName(), PackageManager.GET_META_DATA).metaData
.get(key);
if (metaObj instanceof String) {
return metaObj.toString();
} else if (metaObj instanceof Integer) {
return ((Integer) metaObj).intValue() + "";
} else if (metaObj instanceof Boolean) {
return ((Boolean) metaObj).booleanValue() + "";
}
} catch (NameNotFoundException e) {
Log.w(TAG, e);
}
return "";
}
/**
* 获取版本�?
*
* @param context
* @return
*/
public static String getVersionName(Context context) {
try {
return context.getPackageManager().getPackageInfo(
context.getPackageName(), 0).versionName;
} catch (NameNotFoundException e) {
Log.w(TAG, e);
}
return null;
}
/**
* 获取版本�?
*
* @param context
* @return
*/
public static int getVersionCode(Context context) {
try {
return context.getPackageManager().getPackageInfo(
context.getPackageName(), 0).versionCode;
} catch (NameNotFoundException e) {
Log.w(TAG, e);
}
return 0;
}
/**
* 将px值转换为dip或dp值，保证尺寸大小不变
*
* @param pxValue
* @param scale
* （DisplayMetrics类中属�?�density�?
* @return
*/
public static int px2dip(Context context, float pxValue) {
float scale = context.getResources().getDisplayMetrics().density;
return (int) (pxValue / scale + 0.5f);
}
/**
* 将dip或dp值转换为px值，保证尺寸大小不变
*
* @param dipValue
* @param scale
* （DisplayMetrics类中属�?�density�?
* @return
*/
public static int dip2px(Context context, float dipValue) {
float scale = context.getResources().getDisplayMetrics().density;
return (int) (dipValue * scale + 0.5f);
}
/**
* 将px值转换为sp值，保证文字大小不变
*
* @param pxValue
* @param fontScale
* （DisplayMetrics类中属�?�scaledDensity�?
* @return
*/
public static int px2sp(Context context, float pxValue) {
float fontScale = context.getResources().getDisplayMetrics().scaledDensity;
return (int) (pxValue / fontScale + 0.5f);
}
/**
* 将sp值转换为px值，保证文字大小不变
*
* @param spValue
* @param fontScale
* （DisplayMetrics类中属�?�scaledDensity�?
* @return
*/
public static int sp2px(Context context, float spValue) {
float fontScale = context.getResources().getDisplayMetrics().scaledDensity;
return (int) (spValue * fontScale + 0.5f);
}
/**
* 隐藏键盘
*
* @param activity
* activity
*/
public static void hideInputMethod(Activity activity) {
hideInputMethod(activity, activity.getCurrentFocus());
}
/**
* 隐藏键盘
*
* @param context
* context
* @param view
* The currently focused view
*/
public static void hideInputMethod(Context context, View view) {
if (context == null || view == null) {
return;
}
InputMethodManager imm = (InputMethodManager) context
.getSystemService(Context.INPUT_METHOD_SERVICE);
if (imm != null) {
imm.hideSoftInputFromWindow(view.getWindowToken(), 0);
}
}
/**
* 显示输入键盘
*
* @param context
* context
* @param view
* The currently focused view, which would like to receive soft
* keyboard input
*/
public static void showInputMethod(Context context, View view) {
if (context == null || view == null) {
return;
}
InputMethodManager imm = (InputMethodManager) context
.getSystemService(Context.INPUT_METHOD_SERVICE);
if (imm != null) {
imm.showSoftInput(view, 0);
}
}
/**
* Bitmap缩放，注意源Bitmap在缩放后将会被回收�??
*
* @param origin
* @param width
* @param height
* @return
*/
public static Bitmap getScaleBitmap(Bitmap origin, int width, int height) {
float originWidth = origin.getWidth();
float originHeight = origin.getHeight();
Matrix matrix = new Matrix();
float scaleWidth = ((float) width) / originWidth;
float scaleHeight = ((float) height) / originHeight;
matrix.postScale(scaleWidth, scaleHeight);
Bitmap scale = Bitmap.createBitmap(origin, 0, 0, (int) originWidth,
(int) originHeight, matrix, true);
origin.recycle();
return scale;
}
/**
* 计算某一时间与现在时间间隔的文字提示
*/
public static String countTimeIntervalText(long time) {
long dTime = System.currentTimeMillis() - time;
// 15分钟
if (dTime = Build.VERSION_CODES.HONEYCOMB;
}
/**
* 是否�?3.1版本及以�?
*
* @return
*/
public static boolean hasHoneycombMR1() {
return Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR1;
}
/**
* 是否�?4.1版本及以�?
*
* @return
*/
public static boolean hasJellyBean() {
return Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN;
}
public static String getPhoneType() {
String phoneType = android.os.Build.MODEL;
Log.d(TAG, "phoneType is : " + phoneType);
return phoneType;
}
/**
* 获取系统版本�?
*
* @return
*/
public static String getOsVersion() {
String osversion;
int osversion_int = getOsVersionInt();
osversion = osversion_int + "";
return osversion;
}
/**
* 获取系统版本�?
*
* @return
*/
public static int getOsVersionInt() {
return Build.VERSION.SDK_INT;
}
/**
* 获取ip地址
*
* @return
*/
public static String getHostIp() {
try {
for (Enumeration en = NetworkInterface
.getNetworkInterfaces(); en.hasMoreElements();) {
NetworkInterface intf = en.nextElement();
for (Enumeration enumIpAddr = intf
.getInetAddresses(); enumIpAddr.hasMoreElements();) {
InetAddress inetAddress = enumIpAddr.nextElement();
if (!inetAddress.isLoopbackAddress()
&& InetAddressUtils.isIPv4Address(inetAddress
.getHostAddress())) {
if (!inetAddress.getHostAddress().toString()
.equals("null")
&& inetAddress.getHostAddress() != null) {
return inetAddress.getHostAddress().toString()
.trim();
}
}
}
}
} catch (Exception ex) {
Log.e("WifiPreference IpAddress", ex.toString());
}
return "";
}
/**
* 获取手机号，几乎获取不到
*
* @param context
* @return
*/
public static String getPhoneNum(Context context) {
TelephonyManager mTelephonyMgr = (TelephonyManager) context
.getApplicationContext().getSystemService(
Context.TELEPHONY_SERVICE);
String phoneNum = mTelephonyMgr.getLine1Number();
return TextUtils.isEmpty(phoneNum) ? "" : phoneNum;
}
/**
* 获取imei�?
*
* @param context
* @return
*/
public static String getPhoneImei(Context context) {
TelephonyManager mTelephonyMgr = (TelephonyManager) context
.getApplicationContext().getSystemService(
Context.TELEPHONY_SERVICE);
String phoneImei = mTelephonyMgr.getDeviceId();
Log.d(TAG, "IMEI is : " + phoneImei);
return TextUtils.isEmpty(phoneImei) ? "" : phoneImei;
}
/**
* 获取imsi�?
*
* @param context
* @return
*/
public static String getPhoneImsi(Context context) {
TelephonyManager mTelephonyMgr = (TelephonyManager) context
.getApplicationContext().getSystemService(
Context.TELEPHONY_SERVICE);
String phoneImsi = mTelephonyMgr.getSubscriberId();
Log.d(TAG, "IMSI is : " + phoneImsi);
return TextUtils.isEmpty(phoneImsi) ? "" : phoneImsi;
}
/**
* 获取mac地址
*
* @return
*/
public static String getLocalMacAddress() {
String Mac = null;
try {
String path = "sys/class/net/wlan0/address";
if ((new File(path)).exists()) {
FileInputStream fis = new FileInputStream(path);
byte[] buffer = new byte[8192];
int byteCount = fis.read(buffer);
if (byteCount > 0) {
Mac = new String(buffer, 0, byteCount, "utf-8");
}
fis.close();
}
if (Mac == null || Mac.length() == 0) {
path = "sys/class/net/eth0/address";
FileInputStream fis = new FileInputStream(path);
byte[] buffer_name = new byte[8192];
int byteCount_name = fis.read(buffer_name);
if (byteCount_name > 0) {
Mac = new String(buffer_name, 0, byteCount_name, "utf-8");
}
fis.close();
}
if (Mac == null || Mac.length() == 0) {
return "";
} else if (Mac.endsWith("\n")) {
Mac = Mac.substring(0, Mac.length() - 1);
}
} catch (Exception io) {
Log.w(TAG, "Exception", io);
}
return TextUtils.isEmpty(Mac) ? "" : Mac;
}
/**
* 获取重复字段�?多的个数
*
* @param s
* @return
*/
public static int getRepeatTimes(String s) {
if (TextUtils.isEmpty(s)) {
return 0;
}
int mCount = 0;
char[] mChars = s.toCharArray();
HashMap map = new HashMap();
for (int i = 0; i
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