diff --git a/README.md b/README.md
index ea9d2b1..b559947 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ allprojects {
 
 ```
 dependencies {
-        compile 'com.github.AllenCoder.SuperUtils:apputils:1.0.4'
+        compile 'com.github.AllenCoder.SuperUtils:apputils:1.0.5'
 }
 ```
 
@@ -53,7 +53,7 @@ dependencies {
 | SecretUtils         |  3DES 加密/解密                                      |    [SecretUtils][24]  |     |
 | ToastUtils         |  Toast工具类（需要Utils.init(context)）                                      |    [ToastUtils][25]  |     |
 | IOUtil         |  IOUtil （文件操作工具）                                      |    [IOUtil][26]  |     |
-
+| PaintUtil         |  PaintUtil （测量字体大小和字体高度）                                      |    [PaintUtil][27]  |     |
 
 
 ### 2.Android 数据库处理工具类
@@ -65,7 +65,7 @@ dependencies {
 
 ```
 dependencies {
-         compile 'com.github.AllenCoder.SuperUtils:dbutils:1.0.4'
+         compile 'com.github.AllenCoder.SuperUtils:dbutils:1.0.5'
 }
 ```
 
@@ -79,7 +79,7 @@ dependencies {
 
 ```
 dependencies {
-         compile 'com.github.AllenCoder.SuperUtils:mediautil:1.0.4'
+         compile 'com.github.AllenCoder.SuperUtils:mediautil:1.0.5'
 }
 
 ```
@@ -130,3 +130,4 @@ dependencies {
   [24]: https://github.com/AllenCoder/SuperUtils/blob/master/apputils/src/main/java/com/allen/apputils/SecretUtils.java
    [25]: https://github.com/AllenCoder/SuperUtils/blob/master/apputils/src/main/java/com/allen/apputils/ToastUtils.java
    [26]: https://github.com/AllenCoder/SuperUtils/blob/master/apputils/src/main/java/com/allen/apputils/IOUtil.java
+   [27]: https://github.com/AllenCoder/SuperUtils/blob/master/apputils/src/main/java/com/allen/apputils/PaintUtil.java
diff --git a/app/build.gradle b/app/build.gradle
index 7488eb9..cc5ca86 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -23,8 +23,8 @@ android {
         applicationId "com.allen.supperutils"
         minSdkVersion rootProject.ext.minSdkVersion
         targetSdkVersion rootProject.ext.targetSdkVersion
-        versionCode 1
-        versionName "1.0"
+        versionCode rootProject.ext.versionCode
+        versionName rootProject.ext.versionName
     }
     buildTypes {
         release {
diff --git a/apputils/build.gradle b/apputils/build.gradle
index f10bccc..1542da4 100644
--- a/apputils/build.gradle
+++ b/apputils/build.gradle
@@ -24,8 +24,8 @@ android {
     defaultConfig {
         minSdkVersion rootProject.ext.minSdkVersion
         targetSdkVersion rootProject.ext.targetSdkVersion
-        versionCode 1
-        versionName "1.0"
+        versionCode rootProject.ext.versionCode
+        versionName rootProject.ext.versionName
     }
     buildTypes {
         release {
diff --git a/apputils/src/main/java/com/allen/apputils/PaintUtil.java b/apputils/src/main/java/com/allen/apputils/PaintUtil.java
new file mode 100644
index 0000000..6f5cbbb
--- /dev/null
+++ b/apputils/src/main/java/com/allen/apputils/PaintUtil.java
@@ -0,0 +1,69 @@
+/*
+ * Copyright  2017 [AllenCoderr]
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.allen.apputils;
+
+import android.graphics.Paint;
+import android.graphics.Rect;
+
+/**
+ * 文 件 名: PaintUtil
+ * 创 建 人: Allen
+ * 创建日期: 2017/5/3 11:15
+ * 修改时间：
+ * 修改备注：
+ */
+
+public class PaintUtil {
+    private PaintUtil() {
+    }
+
+    /**
+     * calculates the approximate width of a text, depending on a demo text
+     * avoid repeated calls (e.g. inside drawing methods)
+     *
+     * @param paint
+     * @param demoText
+     * @return
+     */
+    public static int calcTextWidth(Paint paint, String demoText) {
+        return (int) paint.measureText(demoText);
+    }
+    /**
+     * calculates the approximate height of a text, depending on a demo text
+     * avoid repeated calls (e.g. inside drawing methods)
+     *
+     * @param paint
+     * @param demoText
+     * @return
+     */
+    public static int calcTextHeight(Paint paint, String demoText) {
+
+        Rect r = new Rect();
+        paint.getTextBounds(demoText, 0, demoText.length(), r);
+        return r.height();
+    }
+
+    public static float getLineHeight(Paint paint) {
+        Paint.FontMetrics metrics = paint.getFontMetrics();
+        return metrics.descent - metrics.ascent;
+    }
+
+    public static float getLineSpacing(Paint paint) {
+        Paint.FontMetrics metrics = paint.getFontMetrics();
+        return metrics.ascent - metrics.top + metrics.bottom;
+    }
+}
diff --git a/build.gradle b/build.gradle
index 8ec0290..11f472f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -45,6 +45,7 @@ ext {
 
     minSdkVersion = 14
     targetSdkVersion = 25
-
+    versionCode =2
+    versionName="1.0.5"
     supportVersion = "25.2.0"
 }
diff --git a/dbutils/build.gradle b/dbutils/build.gradle
index ea8b2d9..67e9aad 100644
--- a/dbutils/build.gradle
+++ b/dbutils/build.gradle
@@ -23,8 +23,8 @@ android {
     defaultConfig {
         minSdkVersion rootProject.ext.minSdkVersion
         targetSdkVersion rootProject.ext.targetSdkVersion
-        versionCode 1
-        versionName "1.0"
+        versionCode rootProject.ext.versionCode
+        versionName rootProject.ext.versionName
 
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
 
diff --git a/mediautil/build.gradle b/mediautil/build.gradle
index a2f1a61..939241c 100644
--- a/mediautil/build.gradle
+++ b/mediautil/build.gradle
@@ -21,10 +21,10 @@ android {
     buildToolsVersion rootProject.ext.buildToolsVersion
 
     defaultConfig {
-        minSdkVersion 15
-        targetSdkVersion 25
-        versionCode 1
-        versionName "1.0"
+        minSdkVersion rootProject.ext.minSdkVersion
+        targetSdkVersion rootProject.ext.targetSdkVersion
+        versionCode rootProject.ext.versionCode
+        versionName rootProject.ext.versionName
 
     }
     buildTypes {