1.内存大小工具类增加转换

corelib/src/main/java/com/xhly/corelib/utils/FileSizeUtil.java

@@ -1,144 +0,0 @@
-package com.xhly.corelib.utils;
-
-import android.app.ActivityManager;
-import android.content.Context;
-import android.os.Environment;
-import android.os.StatFs;
-
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.FileReader;
-import java.io.IOException;
-import java.text.DecimalFormat;
-
-public class FileSizeUtil {
-
-    private static final int ERROR = -1;
-    private static DecimalFormat fileIntegerFormat = new DecimalFormat("#0");
-    private static DecimalFormat fileDecimalFormat = new DecimalFormat("#0.#");
-
-    /**
-     * SDCARD是否存
-     */
-    public static boolean externalMemoryAvailable() {
-        return android.os.Environment.getExternalStorageState().equals(
-                android.os.Environment.MEDIA_MOUNTED);
-    }
-
-    /**
-     * 获取手机内部剩余存储空间
-     *
-     * @return
-     */
-    public static long getAvailableInternalMemorySize() {
-        File path = Environment.getDataDirectory();
-        StatFs stat = new StatFs(path.getPath());
-        long blockSize = stat.getBlockSize();
-        long availableBlocks = stat.getAvailableBlocks();
-        return availableBlocks * blockSize;
-    }
-
-    /**
-     * 获取手机内部总的存储空间
-     *
-     * @return
-     */
-    public static long getTotalInternalMemorySize() {
-        File path = Environment.getDataDirectory();
-        StatFs stat = new StatFs(path.getPath());
-        long blockSize = stat.getBlockSizeLong();
-        long totalBlocks = stat.getBlockCountLong();
-        return totalBlocks * blockSize;
-    }
-
-    /**
-     * 获取SDCARD剩余存储空间
-     *
-     * @return
-     */
-    public static long getAvailableExternalMemorySize() {
-        if (externalMemoryAvailable()) {
-            File path = Environment.getExternalStorageDirectory();
-            StatFs stat = new StatFs(path.getPath());
-            long blockSize = stat.getBlockSize();
-            long availableBlocks = stat.getAvailableBlocks();
-            return availableBlocks * blockSize;
-        } else {
-            return ERROR;
-        }
-    }
-
-    /**
-     * 获取SDCARD总的存储空间
-     *
-     * @return
-     */
-    public static long getTotalExternalMemorySize() {
-        if (externalMemoryAvailable()) {
-            File path = Environment.getExternalStorageDirectory();
-            StatFs stat = new StatFs(path.getPath());
-            long blockSize = stat.getBlockSize();
-            long totalBlocks = stat.getBlockCount();
-            return totalBlocks * blockSize;
-        } else {
-            return ERROR;
-        }
-    }
-
-    /**
-     * 获取系统总内存
-     *
-     * @param context 可传入应用程序上下文。
-     * @return 总内存大单位为B。
-     */
-    public static long getTotalMemorySize(Context context) {
-        String dir = "/proc/meminfo";
-        try {
-            FileReader fr = new FileReader(dir);
-            BufferedReader br = new BufferedReader(fr, 2048);
-            String memoryLine = br.readLine();
-            String subMemoryLine = memoryLine.substring(memoryLine.indexOf("MemTotal:"));
-            br.close();
-            return Integer.parseInt(subMemoryLine.replaceAll("\\D+", "")) * 1024;
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
-        return 0;
-    }
-
-    /**
-     * 获取当前可用内存，返回数据以字节为单位。
-     *
-     * @param context 可传入应用程序上下文。
-     * @return 当前可用内存单位为B。
-     */
-    public static long getAvailableMemory(Context context) {
-        ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
-        ActivityManager.MemoryInfo memoryInfo = new ActivityManager.MemoryInfo();
-        am.getMemoryInfo(memoryInfo);
-        return memoryInfo.availMem;
-    }
-
-    /**
-     * 单位换算
-     *
-     * @param size      单位为B
-     * @param isInteger 是否返回取整的单位
-     * @return 转换后的单位
-     */
-    public static String formatFileSize(long size, boolean isInteger) {
-        int unit=1000;
-        DecimalFormat df = isInteger ? fileIntegerFormat : fileDecimalFormat;
-        String fileSizeString = "0M";
-        if (size < unit && size > 0) {
-            fileSizeString = df.format((double) size) + "B";
-        } else if (size < unit * unit) {
-            fileSizeString = df.format((double) size / unit) + "K";
-        } else if (size < unit * unit * unit) {
-            fileSizeString = df.format((double) size / (unit * unit)) + "M";
-        } else {
-            fileSizeString = df.format((double) size / (unit * unit * unit)) + "G";
-        }
-        return fileSizeString;
-    }
-}

corelib/src/main/java/com/xhly/corelib/utils/FileSizeUtils.kt

@@ -5,6 +5,7 @@ import android.content.Context
 import android.os.Build
 import android.os.storage.StorageManager
 import androidx.appcompat.app.AppCompatActivity
+import java.text.DecimalFormat
 
 class FileSizeUtils {
     companion object{
@@ -27,5 +28,22 @@ class FileSizeUtils {
                 context.filesDir.freeSpace
             }
         }
+        private val fileIntegerFormat = DecimalFormat("#0")
+        private val fileDecimalFormat = DecimalFormat("#0.#")
+        fun formatFileSize(size: Long, isInteger: Boolean=false): String {
+            val unit = 1000
+            val df = if (isInteger) fileIntegerFormat else fileDecimalFormat
+            var fileSizeString = "0M"
+            fileSizeString = if (size < unit && size > 0) {
+                df.format(size.toDouble()) + "B"
+            } else if (size < unit * unit) {
+                df.format(size.toDouble() / unit) + "K"
+            } else if (size < unit * unit * unit) {
+                df.format(size.toDouble() / (unit * unit)) + "M"
+            } else {
+                df.format(size.toDouble() / (unit * unit * unit)) + "G"
+            }
+            return fileSizeString
+        }
     }
 }