由于文章过长，需要Android进阶开发资料的朋友可以加入Android架构交流群：552873840，交流学习！！！
判断应用是否处于前台
/**
* 返回当前的应用是否处于前台显示状态
* @param $packageName
* @return
*/
public boolean isTopApp(String $packageName, Context context)
{
ActivityManager am = (ActivityManager)context.getSystemService(ACTIVITY_SERVICE);
List<ActivityManager.RunningAppProcessInfo> list = am.getRunningAppProcesses();
if(list.size() == 0) return false;
for(ActivityManager.RunningAppProcessInfo process:list)
{
if(process.importance == ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND &&
process.processName.equals($packageName))
{
Dlog.d("Application is top");
return true;
}
}
Dlog.d("Application is not top app");
return false;
}
判断Activity是否处于栈顶
/**
* 判断是否为栈顶activity
* @param name activity名称
* @return
*/
public boolean isTopActivity(String name, Context context)
{
ActivityManager am = (ActivityManager)context.getSystemService(ACTIVITY_SERVICE);
String topName = null;
List<RunningTaskInfo> runningTaskInfos = am.getRunningTasks(1);
if (runningTaskInfos != null)
topName = (runningTaskInfos.get(0).topActivity).getClassName().toString();
if(topName != null)
{
Dlog.d("topName"+ topName);
return name.equals(topName);
}
else
return false;
}
Toast多次调用优化
public class ToastUtils
{
private static Toast mToast = null;
/**
* @param msg 要显示的字符串， 也可以采用传入资源id的方式
* @param duration 0：Toast.LENGTH_SHORT; 1:Toast.LENGTH_LONG
*
*/
public static void showMessage(Context context, CharSequence msg, int duration)
{
if (mToast != null)
{
mToast.cancel();
mToast = null;
}
mToast = Toast.makeText(context, msg, duration);
//mToast.setGravity(mToast.getGravity(),mToast.getXOffset() + 120, mToast.getYOffset());
mToast.show();
}
}
透明状态栏
if(VERSION.SDK_INT>=VERSION_CODES.LOLLIPOP)
{
Window window = getWindow();
window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS
| WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
window.getDecorView().setSystemUiVisibility(
View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
| View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
| View.SYSTEM_UI_FLAG_LAYOUT_STABLE);
window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
window.setStatusBarColor(Color.TRANSPARENT);
window.setNavigationBarColor(Color.TRANSPARENT);
}
判断是否快速点击
public class ClickUtils
{
private static long lastClickTime;
/**
* @param time_go 快速点击时间阈值
* @return true 是快速点击 false 不是快速点击
*/
public static boolean isFastDoubleClick(long time_go)
{
long time = SystemClock.elapsedRealtime();
long timeD = time - lastClickTime;
if (0 < timeD && timeD < time_go)
{
return true;
}
lastClickTime = time;
return false;
}
}
悬浮框覆盖状态栏
/**设置params全屏属性*/
public void initParams()
{
params = new WindowManager.LayoutParams();
// ...other code
params.type = WindowManager.LayoutParams.TYPE_SYSTEM_ERROR;
params.flags = WindowManager.LayoutParams.FLAG_FULLSCREEN
| WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
params.width = WindowManager.LayoutParams.MATCH_PARENT;
params.height = WindowManager.LayoutParams.MATCH_PARENT;
}
这里是本人收集的一些系统的/非系统的工具类整理
@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
public class TDevice {
// 手机网络类型
public static final int NETTYPE_WIFI = 0x01;
public static final int NETTYPE_CMWAP = 0x02;
public static final int NETTYPE_CMNET = 0x03;
public static boolean GTE_HC;
public static boolean GTE_ICS;
public static boolean PRE_HC;
private static Boolean _hasBigScreen = null;
private static Boolean _hasCamera = null;
private static Boolean _isTablet = null;
private static Integer _loadFactor = null;
private static int _pageSize = -1;
public static float displayDensity = 0.0F;
static {
GTE_ICS = Build.VERSION.SDK_INT >= 14;
GTE_HC = Build.VERSION.SDK_INT >= 11;
PRE_HC = Build.VERSION.SDK_INT >= 11 ? false : true;
}
public TDevice() {
}
/**
* 获取系统当前当前时间戳
*/
public static String getTimesTamp() {
long timestamp = System.currentTimeMillis()/1000;
return String.valueOf(timestamp);
}
/**
* dp值
*
* @param dp
* @return
*/
public static float dpToPixel(float dp) {
return dp * (getDisplayMetrics().densityDpi / 160F);
}
public static int getDefaultLoadFactor() {
if (_loadFactor == null) {
Integer integer = Integer.valueOf(0xf & CXWYApplication.getContext()
.getResources().getConfiguration().screenLayout);
_loadFactor = integer;
_loadFactor = Integer.valueOf(Math.max(integer.intValue(), 1));
}
return _loadFactor.intValue();
}
/**
* 获取密度
*
* @return
*/
public static float getDensity() {
if (displayDensity == 0.0)
displayDensity = getDisplayMetrics().density;
return displayDensity;
}
/**
* 获取屏幕参数
* {density=3.5, width=1440, height=2392, scaledDensity=3.5, xdpi=560.0, ydpi=560.0}
*
* @return
*/
public static DisplayMetrics getDisplayMetrics() {
DisplayMetrics displaymetrics = new DisplayMetrics();
((WindowManager) CXWYApplication.getContext().getSystemService(
Context.WINDOW_SERVICE)).getDefaultDisplay().getMetrics(
displaymetrics);
return displaymetrics;
}
/**
* 获取屏幕高度
*
* @return
*/
public static float getScreenHeight() {
return getDisplayMetrics().heightPixels;
}
/**
* 获取屏幕宽度
*
* @return
*/
public static float getScreenWidth() {
return getDisplayMetrics().widthPixels;
}
public static int[] getRealScreenSize(Activity activity) {
int[] size = new int[2];
int screenWidth = 0, screenHeight = 0;
WindowManager w = activity.getWindowManager();
Display d = w.getDefaultDisplay();
DisplayMetrics metrics = new DisplayMetrics();
d.getMetrics(metrics);
// since SDK_INT = 1;
screenWidth = metrics.widthPixels;
screenHeight = metrics.heightPixels;
// includes window decorations (statusbar bar/menu bar)
if (Build.VERSION.SDK_INT >= 14 && Build.VERSION.SDK_INT < 17)
try {
screenWidth = (Integer) Display.class.getMethod("getRawWidth")
.invoke(d);
screenHeight = (Integer) Display.class
.getMethod("getRawHeight").invoke(d);
} catch (Exception ignored) {
}
// includes window decorations (statusbar bar/menu bar)
if (Build.VERSION.SDK_INT >= 17)
try {
Point realSize = new Point();
Display.class.getMethod("getRealSize", Point.class).invoke(d,
realSize);
screenWidth = realSize.x;
screenHeight = realSize.y;
} catch (Exception ignored) {
}
size[0] = screenWidth;
size[1] = screenHeight;
return size;
}
public static int getStatusBarHeight() {
Class<?> c = null;
Object obj = null;
Field field = null;
int x = 0;
try {
c = Class.forName("com.android.internal.R$dimen");
obj = c.newInstance();
field = c.getField("status_bar_height");
x = Integer.parseInt(field.get(obj).toString());
return CXWYApplication.getContext().getResources()
.getDimensionPixelSize(x);
} catch (Exception e) {
e.printStackTrace();
}
return 0;
}
/**
* 获取唯一标识码
* 9121e9b9-f0ee-4ea6-a9bd-802db5535f9b
*
* @return
*/
public static String getUdid() {
String udid = PreferencesUtils.getInstance().getString(CXWYApplication.getContext(),
"udid", "");
if (udid.length() == 0) {
udid = String.format("%s", UUID.randomUUID());
PreferencesUtils.getInstance().putString(CXWYApplication.getContext(), "udid", udid);
}
return udid;
}
/**
* 是否大屏
*
* @return
*/
public static boolean hasBigScreen() {
boolean flag = true;
if (_hasBigScreen == null) {
boolean flag1;
if ((0xf & CXWYApplication.getContext().getResources()
.getConfiguration().screenLayout) >= 3)
flag1 = flag;
else
flag1 = false;
Boolean boolean1 = Boolean.valueOf(flag1);
_hasBigScreen = boolean1;
if (!boolean1.booleanValue()) {
if (getDensity() <= 1.5F)
flag = false;
_hasBigScreen = Boolean.valueOf(flag);
}
}
return _hasBigScreen.booleanValue();
}
/**
* 是否存在相机
*
* @return
*/
public static final boolean hasCamera() {
if (_hasCamera == null) {
PackageManager pckMgr = CXWYApplication.getContext()
.getPackageManager();
boolean flag = pckMgr
.hasSystemFeature("android.hardware.camera.front");
boolean flag1 = pckMgr.hasSystemFeature("android.hardware.camera");
boolean flag2;
if (flag || flag1)
flag2 = true;
else
flag2 = false;
_hasCamera = Boolean.valueOf(flag2);
}
return _hasCamera.booleanValue();
}
/**
* 判断是否有物理的menu键
*
* @param context
* @return
*/
public static boolean hasHardwareMenuKey(Context context) {
boolean flag = false;
if (PRE_HC)
flag = true;
else if (GTE_ICS) {
flag = ViewConfiguration.get(context).hasPermanentMenuKey();
} else
flag = false;
return flag;
}
/**
* 判断是否有GSM网络
* 需要权限 ACCESS_NETWORK_STATE
*
* @return
*/
public static boolean hasInternet() {
boolean flag;
if (((ConnectivityManager) CXWYApplication.getContext().getSystemService(
"connectivity")).getActiveNetworkInfo() != null) {
flag = true;
} else
flag = false;
return flag;
}
/**
* 是否有google商店
*
* @param activity
* @param pck
* @return
*/
public static boolean gotoGoogleMarket(Activity activity, String pck) {
try {
Intent intent = new Intent();
intent.setPackage("com.android.vending");
intent.setAction(Intent.ACTION_VIEW);
intent.setData(Uri.parse("market://details?id=" + pck));
activity.startActivity(intent);
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
/**
* 判断程序是否安装
*
* @param pckName
* @return
*/
public static boolean isPackageExist(String pckName) {
try {
PackageInfo pckInfo = CXWYApplication.getContext().getPackageManager()
.getPackageInfo(pckName, 0);
if (pckInfo != null)
return true;
} catch (PackageManager.NameNotFoundException e) {
KLog.e(e.getMessage());
}
return false;
}
/**
* 隐藏动画视图
*
* @param view
*/
public static void hideAnimatedView(View view) {
if (PRE_HC && view != null)
view.setPadding(view.getWidth(), 0, 0, 0);
}
/**
* 显示动画视图
*
* @param view
*/
public static void showAnimatedView(View view) {
if (PRE_HC && view != null)
view.setPadding(0, 0, 0, 0);
}
/**
* 显示键盘dialog
*
* @param dialog
*/
public static void showSoftKeyboard(Dialog dialog) {
dialog.getWindow().setSoftInputMode(4);
}
/**
* 显示键盘view
*
* @param view
*/
public static void showSoftKeyboard(View view) {
((InputMethodManager) CXWYApplication.getContext().getSystemService(
Context.INPUT_METHOD_SERVICE)).showSoftInput(view,
InputMethodManager.SHOW_FORCED);
}
/**
* 切换键盘
*
* @param view
*/
public static void toogleSoftKeyboard(View view) {
((InputMethodManager) CXWYApplication.getContext().getSystemService(
Context.INPUT_METHOD_SERVICE)).toggleSoftInput(0,
InputMethodManager.HIDE_NOT_ALWAYS);
}
/**
* 隐藏键盘
*
* @param view
*/
public static void hideSoftKeyboard(View view) {
if (view == null)
return;
((InputMethodManager) CXWYApplication.getContext().getSystemService(
Context.INPUT_METHOD_SERVICE)).hideSoftInputFromWindow(
view.getWindowToken(), 0);
}
/**
* 判断是否横屏
*
* @return
*/
public static boolean isLandscape() {
boolean flag;
if (CXWYApplication.getContext().getResources().getConfiguration().orientation == 2)
flag = true;
else
flag = false;
return flag;
}
/**
* 判断是否竖屏
*
* @return
*/
public static boolean isPortrait() {
boolean flag = true;
if (CXWYApplication.getContext().getResources().getConfiguration().orientation != 1)
flag = false;
return flag;
}
/**
* 判断是否平板
*
* @return
*/
public static boolean isTablet() {
if (_isTablet == null) {
boolean flag;
if ((0xf & CXWYApplication.getContext().getResources()
.getConfiguration().screenLayout) >= 3)
flag = true;
else
flag = false;
_isTablet = Boolean.valueOf(flag);
}
return _isTablet.booleanValue();
}
/**
* 单位转换
*
* @param f
* @return
*/
public static float pixelsToDp(float f) {
return f / (getDisplayMetrics().densityDpi / 160F);
}
/**
* 判断是否有sd卡
*
* @return
*/
public static boolean isSdcardReady() {
return Environment.MEDIA_MOUNTED.equals(Environment
.getExternalStorageState());
}
/**
* 判断系统语言国家
*
* @return
*/
public static String getCurCountryLan() {
return CXWYApplication.getContext().getResources().getConfiguration().locale
.getLanguage()
+ "-"
+ CXWYApplication.getContext().getResources().getConfiguration().locale
.getCountry();
}
/**
* 判断是否中文简体（CN）国家中国
*
* @return
*/
public static boolean isZhCN() {
String lang = CXWYApplication.getContext().getResources()
.getConfiguration().locale.getCountry();
if (lang.equalsIgnoreCase("CN")) {
return true;
}
return false;
}
/**
* 获取两个数的百分比
*
* @param p1
* @param p2
* @return
*/
public static String percent(double p1, double p2) {
String str;
double p3 = p1 / p2;
NumberFormat nf = NumberFormat.getPercentInstance();
nf.setMinimumFractionDigits(5);//保留的小数位数(精度)
str = nf.format(p3);
return str;
}
public static String percent2(double p1, double p2) {
String str;
double p3 = p1 / p2;
NumberFormat nf = NumberFormat.getPercentInstance();
nf.setMinimumFractionDigits(0);
str = nf.format(p3);
return str;
}
/**
* 打开本app在应用商店的页面
*
* @param context
*/
public static void openAppInMarket(Context context) {
if (context != null) {
String pckName = context.getPackageName();
try {
String str = "market://details?id=" + pckName;
Intent localIntent = new Intent("android.intent.action.VIEW");
localIntent.setData(Uri.parse(str));
context.startActivity(localIntent);
} catch (Exception ex) {
}
}
}
/**
* 全屏显示，去掉顶部状态栏
*
* @param activity
*/
public static void setFullScreen(Activity activity) {
WindowManager.LayoutParams params = activity.getWindow()
.getAttributes();
params.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN;
activity.getWindow().setAttributes(params);
activity.getWindow().addFlags(
WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
}
/**
* 关闭全屏显示
*
* @param activity
*/
public static void cancelFullScreen(Activity activity) {
WindowManager.LayoutParams params = activity.getWindow()
.getAttributes();
params.flags &= (~WindowManager.LayoutParams.FLAG_FULLSCREEN);
activity.getWindow().setAttributes(params);
activity.getWindow().clearFlags(
WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
}
/**
* 得到应用包名
*
* @param pckName
* @return
*/
public static PackageInfo getPackageInfo(String pckName) {
try {
return CXWYApplication.getContext().getPackageManager()
.getPackageInfo(pckName, 0);
} catch (PackageManager.NameNotFoundException e) {
KLog.e(e.getMessage());
}
return null;
}
/**
* 获得app版本号
*
* @return
*/
public static int getVersionCode() {
int versionCode = 0;
try {
versionCode = CXWYApplication.getContext()
.getPackageManager()
.getPackageInfo(CXWYApplication.getContext().getPackageName(),
0).versionCode;
} catch (PackageManager.NameNotFoundException ex) {
versionCode = 0;
}
return versionCode;
}
public static int getVersionCode(String packageName) {
int versionCode = 0;
try {
versionCode = CXWYApplication.getContext().getPackageManager()
.getPackageInfo(packageName, 0).versionCode;
} catch (PackageManager.NameNotFoundException ex) {
versionCode = 0;
}
return versionCode;
}
/**
* 获取版本名称
*
* @return
*/
public static String getVersionName() {
String name = "";
try {
name = CXWYApplication.getContext()
.getPackageManager()
.getPackageInfo(CXWYApplication.getContext().getPackageName(),
0).versionName;
} catch (PackageManager.NameNotFoundException ex) {
name = "";
}
return name;
}
public static boolean isScreenOn() {
PowerManager pm = (PowerManager) CXWYApplication.getContext()
.getSystemService(Context.POWER_SERVICE);
return pm.isScreenOn();
}
/**
* 安装apk
*
* @param context
* @param file
*/
public static void installAPK(Context context, File file) {
if (file == null || !file.exists())
return;
Intent intent = new Intent();
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.setAction(Intent.ACTION_VIEW);
intent.setDataAndType(Uri.fromFile(file),
"application/vnd.android.package-archive");
context.startActivity(intent);
}
/**
* 获得安转的apk
*
* @param file
* @return
*/
public static Intent getInstallApkIntent(File file) {
Intent intent = new Intent();
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.setAction(Intent.ACTION_VIEW);
intent.setDataAndType(Uri.fromFile(file),
"application/vnd.android.package-archive");
return intent;
}
/**
* 打电话
*
* @param context
* @param number
*/
public static void openDial(Context context, String number) {
Uri uri = Uri.parse("tel:" + number);
Intent it = new Intent(Intent.ACTION_DIAL, uri);
context.startActivity(it);
}
/**
* 发短信
*
* @param context
* @param smsBody
* @param tel
*/
public static void openSMS(Context context, String smsBody, String tel) {
Uri uri = Uri.parse("smsto:" + tel);
Intent it = new Intent(Intent.ACTION_SENDTO, uri);
it.putExtra("sms_body", smsBody);
context.startActivity(it);
}
public static void openDail(Context context) {
Intent intent = new Intent(Intent.ACTION_DIAL);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);
}
public static void openSendMsg(Context context) {
Uri uri = Uri.parse("smsto:");
Intent intent = new Intent(Intent.ACTION_SENDTO, uri);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);
}
/**
* 调用系统相机
*
* @param context
*/
public static void openCamera(Context context) {
Intent intent = new Intent(); // 调用照相机
intent.setAction("android.media.action.STILL_IMAGE_CAMERA");
intent.setFlags(0x34c40000);
context.startActivity(intent);
}
/**
* 获取移动设备标识码
* 需要权限android.permission.READ_PHONE_STATE
*
* @return
*/
public static String getIMEI() {
TelephonyManager tel = (TelephonyManager) CXWYApplication.getContext()
.getSystemService(Context.TELEPHONY_SERVICE);
return tel.getDeviceId();
}
/**
* 获得手机型号
*
* @return
*/
public static String getPhoneType() {
return Build.MODEL;
}
/**
* 打开手机上安装的指定包名的app
*
* @param context
* @param packageName
*/
public static void openApp(Context context, String packageName) {
Intent mainIntent = CXWYApplication.getContext().getPackageManager()
.getLaunchIntentForPackage(packageName);
if (mainIntent == null) {
mainIntent = new Intent(packageName);
} else {
KLog.i("Action:" + mainIntent.getAction());
}
context.startActivity(mainIntent);
}
public static boolean openAppActivity(Context context, String packageName,
String activityName) {
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_LAUNCHER);
ComponentName cn = new ComponentName(packageName, activityName);
intent.setComponent(cn);
try {
context.startActivity(intent);
return true;
} catch (Exception e) {
return false;
}
}
/**
* 判断wifi是否打开
*
* @return
*/
public static boolean isWifiOpen() {
boolean isWifiConnect = false;
ConnectivityManager cm = (ConnectivityManager) CXWYApplication.getContext().getSystemService(Context.CONNECTIVITY_SERVICE);
// check the networkInfos numbers
NetworkInfo[] networkInfos = cm.getAllNetworkInfo();
for (int i = 0; i < networkInfos.length; i++) {
if (networkInfos[i].getState() == NetworkInfo.State.CONNECTED) {
if (networkInfos[i].getType() == ConnectivityManager.TYPE_MOBILE) {
isWifiConnect = false;
}
if (networkInfos[i].getType() == ConnectivityManager.TYPE_WIFI) {
isWifiConnect = true;
}
}
}
return isWifiConnect;
}
/**
* 卸载指定包名的app
*
* @param context
* @param packageName
*/
public static void uninstallApk(Context context, String packageName) {
if (isPackageExist(packageName)) {
Uri packageURI = Uri.parse("package:" + packageName);
Intent uninstallIntent = new Intent(Intent.ACTION_DELETE,
packageURI);
context.startActivity(uninstallIntent);
}
}
@SuppressWarnings("deprecation")
public static void copyTextToBoard(String string) {
if (TextUtils.isEmpty(string))
return;
ClipboardManager clip = (ClipboardManager) CXWYApplication.getContext()
.getSystemService(Context.CLIPBOARD_SERVICE);
clip.setText(string);
// AppContext.showToast(R.string.copy_success);
}
/**
* 发送邮件
*
* @param context
* @param subject 主题
* @param content 内容
* @param emails 邮件地址
*/
public static void sendEmail(Context context, String subject,
String content, String... emails) {
try {
Intent intent = new Intent(Intent.ACTION_SEND);
// 模拟器
// intent.setType("text/plain");
intent.setType("message/rfc822"); // 真机
intent.putExtra(Intent.EXTRA_EMAIL, emails);
intent.putExtra(Intent.EXTRA_SUBJECT, subject);
intent.putExtra(Intent.EXTRA_TEXT, content);
context.startActivity(intent);
} catch (ActivityNotFoundException e) {
e.printStackTrace();
}
}
public static int getStatuBarHeight() {
Class<?> c = null;
Object obj = null;
Field field = null;
int x = 0, sbar = 38;// 默认为38，貌似大部分是这样的
try {
c = Class.forName("com.android.internal.R$dimen");
obj = c.newInstance();
field = c.getField("status_bar_height");
x = Integer.parseInt(field.get(obj).toString());
sbar = CXWYApplication.getContext().getResources()
.getDimensionPixelSize(x);
} catch (Exception e1) {
e1.printStackTrace();
}
return sbar;
}
public static int getActionBarHeight(Context context) {
int actionBarHeight = 0;
TypedValue tv = new TypedValue();
if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize,
tv, true))
actionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data,
context.getResources().getDisplayMetrics());
if (actionBarHeight == 0
&& context.getTheme().resolveAttribute(R.attr.actionBarSize,
tv, true)) {
actionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data,
context.getResources().getDisplayMetrics());
}
return actionBarHeight;
}
public static boolean hasStatusBar(Activity activity) {
WindowManager.LayoutParams attrs = activity.getWindow().getAttributes();
if ((attrs.flags & WindowManager.LayoutParams.FLAG_FULLSCREEN) == WindowManager.LayoutParams.FLAG_FULLSCREEN) {
return false;
} else {
return true;
}
}
/**
* 调用系统安装了的应用分享
*
* @param context
* @param title
* @param url
*/
public static void showSystemShareOption(Activity context,
final String title, final String url) {
Intent intent = new Intent(Intent.ACTION_SEND);
intent.setType("text/plain");
intent.putExtra(Intent.EXTRA_SUBJECT, "分享：" + title);
intent.putExtra(Intent.EXTRA_TEXT, title + " " + url);
context.startActivity(Intent.createChooser(intent, "选择分享"));
}
/**
* 获取当前网络类型
*
* @return 0：没有网络 1：WIFI网络 2：WAP网络 3：NET网络
*/
public static int getNetworkType() {
int netType = 0;
ConnectivityManager connectivityManager = (ConnectivityManager) CXWYApplication.getContext()
.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo();
if (networkInfo == null) {
return netType;
}
int nType = networkInfo.getType();
if (nType == ConnectivityManager.TYPE_MOBILE) {
String extraInfo = networkInfo.getExtraInfo();
if (!TextUtils.isEmpty(extraInfo)) {
if (extraInfo.toLowerCase().equals("cmnet")) {
netType = NETTYPE_CMNET;
} else {
netType = NETTYPE_CMWAP;
}
}
} else if (nType == ConnectivityManager.TYPE_WIFI) {
netType = NETTYPE_WIFI;
}
return netType;
}
}
最后
在现在这个金三银四的面试季，我自己在网上也搜集了很多资料做成了文档和架构视频资料免费分享给大家【包括高级UI、性能优化、架构师课程、NDK、Kotlin、混合式开发（ReactNative+Weex）、Flutter等架构技术资料】，希望能帮助到您面试前的复习且找到一个好的工作，也节省大家在网上搜索资料的时间来学习。
资料获取方式：加入Android架构交流QQ群聊：513088520 ，进群即领取资料！！！
点击链接加入群聊【Android移动架构总群】：加入群聊
资料大全
网友评论