see 11/03 log

Author: Blankj

app/src/main/java/com/blankj/androidutilcode/activities/SnackbarActivity.java

@@ -34,6 +34,7 @@ protected void onCreate(Bundle savedInstanceState) {
         findViewById(R.id.btn_indefinite_snackbar_with_action).setOnClickListener(this);
         findViewById(R.id.btn_add_view).setOnClickListener(this);
         findViewById(R.id.btn_add_view_with_action).setOnClickListener(this);
+        findViewById(R.id.btn_cancel_snackbar).setOnClickListener(this);
     }
 
     @Override

update_log.md

@@ -1,4 +1,5 @@
 ###
+#### 16/11/03 SnackbarUtils中Snackbar持有弱引用来消除内存泄漏
 #### 16/11/02 内存泄漏检测中
 #### 16/11/01 内存泄漏检测中
 #### 16/10/31 完善发布版本1.3.1和1.3.2

utilcode/src/main/java/com/blankj/utilcode/utils/NetworkUtils.java

@@ -363,24 +363,6 @@ public static String getIPAddress(boolean useIPv4) {
         return null;
     }
 
-    public String getIpAdress(Context context) {
-        try {
-            for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces();
-                 en.hasMoreElements(); ) {
-                NetworkInterface intf = en.nextElement();
-                for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements(); ) {
-                    InetAddress inetAddress = enumIpAddr.nextElement();
-                    if (!inetAddress.isLoopbackAddress()) {
-                        return inetAddress.getHostAddress();
-                    }
-                }
-            }
-        } catch (Exception ex) {
-            ex.printStackTrace();
-        }
-        return null;
-    }
-
     /**
      * 获取域名ip地址
      * <p>需添加权限 {@code <uses-permission android:name="android.permission.INTERNET"/>}</p>

utilcode/src/main/java/com/blankj/utilcode/utils/SnackbarUtils.java

@@ -9,12 +9,15 @@
 
 import com.blankj.utilcode.R;
 
+import java.lang.ref.ReferenceQueue;
+import java.lang.ref.WeakReference;
+
 /**
  * <pre>
  *     author: Blankj
  *     blog  : http://blankj.com
  *     time  : 2016/10/16
- *     desc  : SnackBar相关工具类
+ *     desc  : Snackbar相关工具类
  * </pre>
  */
 public class SnackbarUtils {
@@ -23,7 +26,7 @@ private SnackbarUtils() {
         throw new UnsupportedOperationException("u can't instantiate me...");
     }
 
-    private static Snackbar snackbar;
+    private static WeakReference<Snackbar> snackbarWeakReference;
 
     /**
      * 显示短时snackbar
@@ -69,10 +72,10 @@ public static void showLongSnackbar(View parent, CharSequence text, int textColo
     /**
      * 显示长时snackbar
      *
-     * @param parent    视图(CoordinatorLayout或者DecorView)
-     * @param text      文本
-     * @param textColor 文本颜色
-     * @param bgColor   背景色
+     * @param parent          视图(CoordinatorLayout或者DecorView)
+     * @param text            文本
+     * @param textColor       文本颜色
+     * @param bgColor         背景色
      * @param actionText      事件文本
      * @param actionTextColor 事件文本颜色
      * @param listener        监听器
@@ -132,19 +135,19 @@ private static void showSnackbar(View parent, CharSequence text, int duration, i
             default:
             case Snackbar.LENGTH_SHORT:
             case Snackbar.LENGTH_LONG:
-                snackbar = Snackbar.make(parent, text, duration);
+                snackbarWeakReference = new WeakReference<>(Snackbar.make(parent, text, duration));
                 break;
             case Snackbar.LENGTH_INDEFINITE:
-                snackbar = Snackbar.make(parent, text, Snackbar.LENGTH_INDEFINITE).setDuration(duration);
+                snackbarWeakReference = new WeakReference<>(Snackbar.make(parent, text, Snackbar.LENGTH_INDEFINITE).setDuration(duration));
         }
-        View view = snackbar.getView();
+        View view = snackbarWeakReference.get().getView();
         ((TextView) view.findViewById(R.id.snackbar_text)).setTextColor(textColor);
         view.setBackgroundColor(bgColor);
         if (actionText != null && actionText.length() > 0 && listener != null) {
-            snackbar.setActionTextColor(actionTextColor);
-            snackbar.setAction(actionText, listener);
+            snackbarWeakReference.get().setActionTextColor(actionTextColor);
+            snackbarWeakReference.get().setAction(actionText, listener);
         }
-        snackbar.show();
+        snackbarWeakReference.get().show();
     }
 
     /**
@@ -155,23 +158,26 @@ private static void showSnackbar(View parent, CharSequence text, int duration, i
      * @param index    位置(the position at which to add the child or -1 to add last)
      */
     public static void addView(int layoutId, int index) {
-        View view = snackbar.getView();
-        Snackbar.SnackbarLayout layout = (Snackbar.SnackbarLayout) view;
-        View child = LayoutInflater.from(view.getContext()).inflate(layoutId, null);
-        LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(
-                LinearLayout.LayoutParams.WRAP_CONTENT,
-                LinearLayout.LayoutParams.WRAP_CONTENT);
-        params.gravity = Gravity.CENTER_VERTICAL;
-        layout.addView(child, index, params);
+        Snackbar snackbar = snackbarWeakReference.get();
+        if (snackbar != null) {
+            View view = snackbar.getView();
+            Snackbar.SnackbarLayout layout = (Snackbar.SnackbarLayout) view;
+            View child = LayoutInflater.from(view.getContext()).inflate(layoutId, null);
+            LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(
+                    LinearLayout.LayoutParams.WRAP_CONTENT,
+                    LinearLayout.LayoutParams.WRAP_CONTENT);
+            params.gravity = Gravity.CENTER_VERTICAL;
+            layout.addView(child, index, params);
+        }
     }
 
     /**
      * 取消snackbar显示
      */
     public static void dismissSnackbar() {
-        if (snackbar != null) {
-            snackbar.dismiss();
-            snackbar = null;
+        if (snackbarWeakReference != null && snackbarWeakReference.get() != null) {
+            snackbarWeakReference.get().dismiss();
+            snackbarWeakReference = null;
         }
     }
 }

utilcode/src/test/java/com/blankj/utilcode/utils/TestUtils.java

@@ -1,6 +1,7 @@
 package com.blankj.utilcode.utils;
 
 import android.content.Context;
+import android.util.SparseArray;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -9,13 +10,7 @@
 import org.robolectric.annotation.Config;
 
 import java.io.File;
-import java.lang.reflect.Array;
-import java.util.Arrays;
 import java.util.List;
-import java.util.regex.Pattern;
-
-import static com.blankj.utilcode.utils.TimeUtils.milliseconds2String;
-import static com.google.common.truth.Truth.assertThat;
 
 /**
  * <pre>