@@ -64,6 +64,8 @@ getAppVersionName       : 获取 App 版本号
 getAppVersionCode       : 获取 App 版本码
 getAppSignature         : 获取 App 签名
 getAppSignatureSHA1     : 获取应用签名的的 SHA1 值
+getAppInfo              : 获取 App 信息
+getAppsInfo             : 获取所有已安装 App 信息
 ```
 
 * ### 栏相关 -> [BarUtils.java][bar.java] -> [Demo][bar.demo]
 
@@ -64,6 +64,8 @@ getAppVersionName
 getAppVersionCode
 getAppSignature
 getAppSignatureSHA1
+getAppInfo
+getAppsInfo
 ```
 
 * ### About Bar -> [BarUtils.java][bar.java] -> [Demo][bar.demo]
@@ -170,7 +172,6 @@ urlDecode
 base64Encode
 base64Encode2String
 base64Decode
-base64UrlSafeEncode
 htmlEncode
 htmlDecode
 ```
 
@@ -17,6 +17,7 @@
 import java.io.File;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
+import java.util.ArrayList;
 import java.util.List;
 
 /**
@@ -578,6 +579,80 @@ public static String getAppSignatureSHA1(@NonNull final String packageName) {
                 replaceAll("(?<=[0-9A-F]{2})[0-9A-F]{2}", ":$0");
     }
 
+    /**
+     * Return the application's information.
+     * <ul>
+     * <li>name of package</li>
+     * <li>icon</li>
+     * <li>name</li>
+     * <li>path of package</li>
+     * <li>version name</li>
+     * <li>version code</li>
+     * <li>is system</li>
+     * </ul>
+     *
+     * @return the application's information
+     */
+    public static AppInfo getAppInfo() {
+        return getAppInfo(Utils.getApp().getPackageName());
+    }
+
+    /**
+     * Return the application's information.
+     * <ul>
+     * <li>name of package</li>
+     * <li>icon</li>
+     * <li>name</li>
+     * <li>path of package</li>
+     * <li>version name</li>
+     * <li>version code</li>
+     * <li>is system</li>
+     * </ul>
+     *
+     * @param packageName The name of the package.
+     * @return 当前应用的 AppInfo
+     */
+    public static AppInfo getAppInfo(final String packageName) {
+        try {
+            PackageManager pm = Utils.getApp().getPackageManager();
+            PackageInfo pi = pm.getPackageInfo(packageName, 0);
+            return getBean(pm, pi);
+        } catch (PackageManager.NameNotFoundException e) {
+            e.printStackTrace();
+            return null;
+        }
+    }
+
+    /**
+     * Return the applications' information.
+     *
+     * @return the applications' information
+     */
+    public static List<AppInfo> getAppsInfo() {
+        List<AppInfo> list = new ArrayList<>();
+        PackageManager pm = Utils.getApp().getPackageManager();
+        List<PackageInfo> installedPackages = pm.getInstalledPackages(0);
+        for (PackageInfo pi : installedPackages) {
+            AppInfo ai = getBean(pm, pi);
+            if (ai == null) continue;
+            list.add(ai);
+        }
+        return list;
+    }
+
+    private static AppInfo getBean(final PackageManager pm, final PackageInfo pi) {
+        if (pm == null || pi == null) return null;
+        ApplicationInfo ai = pi.applicationInfo;
+        String packageName = pi.packageName;
+        String name = ai.loadLabel(pm).toString();
+        Drawable icon = ai.loadIcon(pm);
+        String packagePath = ai.sourceDir;
+        String versionName = pi.versionName;
+        int versionCode = pi.versionCode;
+        boolean isSystem = (ApplicationInfo.FLAG_SYSTEM & ai.flags) != 0;
+        return new AppInfo(packageName, name, icon, packagePath, versionName, versionCode, isSystem);
+    }
+
     private static boolean isFileExists(final File file) {
         return file != null && file.exists();
     }
@@ -638,4 +713,96 @@ private static String bytes2HexString(final byte[] bytes) {
         }
         return new String(ret);
     }
+
+    /**
+     * The application's information.
+     */
+    public static class AppInfo {
+
+        private String   packageName;
+        private String   name;
+        private Drawable icon;
+        private String   packagePath;
+        private String   versionName;
+        private int      versionCode;
+        private boolean  isSystem;
+
+        public Drawable getIcon() {
+            return icon;
+        }
+
+        public void setIcon(final Drawable icon) {
+            this.icon = icon;
+        }
+
+        public boolean isSystem() {
+            return isSystem;
+        }
+
+        public void setSystem(final boolean isSystem) {
+            this.isSystem = isSystem;
+        }
+
+        public String getPackageName() {
+            return packageName;
+        }
+
+        public void setPackageName(final String packageName) {
+            this.packageName = packageName;
+        }
+
+        public String getName() {
+            return name;
+        }
+
+        public void setName(final String name) {
+            this.name = name;
+        }
+
+        public String getPackagePath() {
+            return packagePath;
+        }
+
+        public void setPackagePath(final String packagePath) {
+            this.packagePath = packagePath;
+        }
+
+        public int getVersionCode() {
+            return versionCode;
+        }
+
+        public void setVersionCode(final int versionCode) {
+            this.versionCode = versionCode;
+        }
+
+        public String getVersionName() {
+            return versionName;
+        }
+
+        public void setVersionName(final String versionName) {
+            this.versionName = versionName;
+        }
+
+        public AppInfo(String packageName, String name, Drawable icon, String packagePath,
+                       String versionName, int versionCode, boolean isSystem) {
+            this.setName(name);
+            this.setIcon(icon);
+            this.setPackageName(packageName);
+            this.setPackagePath(packagePath);
+            this.setVersionName(versionName);
+            this.setVersionCode(versionCode);
+            this.setSystem(isSystem);
+        }
+
+        @Override
+        public String toString() {
+            return "pkg name: " + getPackageName() +
+                    "\napp icon: " + getIcon() +
+                    "\napp name: " + getName() +
+                    "\napp path: " + getPackagePath() +
+                    "\napp v name: " + getVersionName() +
+                    "\napp v code: " + getVersionCode() +
+                    "\nis system: " + isSystem();
+        }
+    }
 }