Merge branch 'master' of github.com:Blankj/AndroidUtilCode

Author: CaiMengjie

lib/utilcode/src/main/java/com/blankj/utilcode/util/AppUtils.java

@@ -385,6 +385,38 @@ public static int getAppIconId(final String packageName) {
         }
     }
 
+    
+    /**
+     * Return true if this is the first ever time that the application is installed on the device.
+     *
+     * @return true if this is the first ever time that the application is installed on the device.
+     */
+    public static boolean isFirstTimeInstall(){
+        try {
+            Long firstInstallTime = Utils.getApp().getPackageManager().getPackageInfo(this.getAppPackageName(), 0).firstInstallTime;
+            Long lastUpdateTime = Utils.getApp().getPackageManager().getPackageInfo(this.getAppPackageName(), 0).lastUpdateTime;
+            return firstInstallTime == lastUpdateTime;
+        } catch (Exception e) {
+            return false;
+        }
+    }
+
+    /**
+     * Return true if app was previously installed and this one is an update/upgrade to that one, returns false if this is a fresh installation and not an update/upgrade.
+     *
+     * @return true if app was previously installed and this one is an update/upgrade to that one, returns false if this is a fresh installation and not an update/upgrade.
+     */
+    public static boolean isAppUpgraded(){
+        try {
+            Long firstInstallTime = Utils.getApp().getPackageManager().getPackageInfo(this.getAppPackageName(), 0).firstInstallTime;
+            Long lastUpdateTime = Utils.getApp().getPackageManager().getPackageInfo(this.getAppPackageName(), 0).lastUpdateTime;
+            return firstInstallTime != lastUpdateTime;
+        } catch (Exception e) {
+            return false;
+        }
+    }
+    
+   
     /**
      * Return the application's package name.
      *

lib/utilcode/src/main/java/com/blankj/utilcode/util/JsonUtils.java

@@ -26,6 +26,27 @@ private JsonUtils() {
         throw new UnsupportedOperationException("u can't instantiate me...");
     }
 
+    
+    /**
+     * Checks if a given input is a JSONObject.
+     *
+     * @param input Anything.
+     * @return true if it is a JSONObject.
+     */
+    public static <T> boolean isJSONObject(final T input) {
+        return input instanceof JSONObject;
+    }
+
+    /**
+     * Checks if a given input is a JSONArray
+     *
+     * @param input Anything.
+     * @return true if it is a JSONArray.
+     */
+    public static <T> boolean isJSONArray(final T input) {
+        return input instanceof JSONArray;
+    }
+    
     public static boolean getBoolean(final JSONObject jsonObject,
                                      final String key) {
         return getBoolean(jsonObject, key, false);

lib/utilcode/src/main/java/com/blankj/utilcode/util/KeyboardUtils.java

@@ -260,8 +260,9 @@ public static void unregisterSoftInputChangedListener(@NonNull final Window wind
         Object tag = contentView.getTag(TAG_ON_GLOBAL_LAYOUT_LISTENER);
         if (tag instanceof OnGlobalLayoutListener) {
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
-                contentView.getViewTreeObserver()
-                    .removeOnGlobalLayoutListener((OnGlobalLayoutListener) tag);
+                contentView.getViewTreeObserver().removeOnGlobalLayoutListener((OnGlobalLayoutListener) tag);
+                //这里会发生内存泄漏 如果不设置为null
+                contentView.setTag(TAG_ON_GLOBAL_LAYOUT_LISTENER, null);
             }
         }
     }

lib/utilcode/src/main/java/com/blankj/utilcode/util/MessengerUtils.java

@@ -322,15 +322,17 @@ public int onStartCommand(Intent intent, int flags, int startId) {
         }
 
         private void sendMsg2Client(final Message msg) {
+           final Message obtain = Message.obtain(msg); //Copy the original
             for (Messenger client : mClientMap.values()) {
                 try {
                     if (client != null) {
-                        client.send(msg);
+                        client.send(Message.obtain(obtain));
                     }
                 } catch (RemoteException e) {
                     e.printStackTrace();
                 }
             }
+            obtain.recycle(); //Recycled copy
         }
 
         private void consumeServerProcessCallback(final Message msg) {

lib/utilcode/src/main/java/com/blankj/utilcode/util/NetworkUtils.java

@@ -262,6 +262,34 @@ public static boolean getMobileDataEnabled() {
         }
         return false;
     }
+    
+     /**
+     * Returns true if device is connecting to the internet via a proxy, works for both Wi-Fi and Mobile Data.
+     *
+     * @return true if using proxy to connect to the internet.
+     */
+    public static boolean isBehindProxy(){
+        return !(System.getProperty("http.proxyHost") == null || System.getProperty("http.proxyPort") == null);
+    }
+
+    /**
+     * Returns true if device is connecting to the internet via a VPN.
+     *
+     * @return true if using VPN to conncet to the internet.
+     */
+    public static boolean isUsingVPN(){
+        ConnectivityManager cm = (ConnectivityManager) com.blankj.utilcode.util.Utils.getApp().getSystemService(Context.CONNECTIVITY_SERVICE);
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
+            return cm.getNetworkInfo(ConnectivityManager.TYPE_VPN).isConnectedOrConnecting()
+        } else {
+            return cm.getNetworkInfo(NetworkCapabilities.TRANSPORT_VPN).isConnectedOrConnecting()
+        }
+    }
+
+    
+    
+    
+    
 
     /**
      * Return whether using mobile data.

lib/utilcode/src/main/java/com/blankj/utilcode/util/TimeUtils.java

@@ -37,6 +37,19 @@ protected Map<String, SimpleDateFormat> initialValue() {
     private static SimpleDateFormat getDefaultFormat() {
         return getSafeDateFormat("yyyy-MM-dd HH:mm:ss");
     }
+    /**
+     * Checks whether the device is using Network Provided Time or not.
+     *  Useful in situations where you want to verify that the device has a correct time set, to avoid fraud, or if you want to prevent the user from messing with the time and abusing your "one-time" and "expiring" features. 
+     * @return {@code true}: yes<br>{@code false}: no
+     */
+    public static boolean isUsingNetworkProvidedTime() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
+            return Settings.Global.getInt(Utils.getApp().getContentResolver(), Settings.Global.AUTO_TIME, 0) == 1;
+        } else {
+            return android.provider.Settings.System.getInt(Utils.getApp().getContentResolver(), android.provider.Settings.System.AUTO_TIME, 0) == 1;
+        }
+    }
+    
 
     @SuppressLint("SimpleDateFormat")
     public static SimpleDateFormat getSafeDateFormat(String pattern) {