Memory Size Class for viewing available storage

import java.io.File;</p><p>import android.os.Environment;<br />import android.os.StatFs;</p><p>public class MemoryStatus {</p><p>static final int ERROR = -1;</p><p>static public boolean externalMemoryAvailable() {<br /> return android.os.Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED);<br />}</p><p>static public long getAvailableInternalMemorySize() {<br />File path = Environment.getDataDirectory();<br />StatFs stat = new StatFs(path.getPath());<br />long blockSize = stat.getBlockSize();<br />long availableBlocks = stat.getAvailableBlocks();<br />return availableBlocks * blockSize;<br />}</p><p>static public long getTotalInternalMemorySize() {<br />File path = Environment.getDataDirectory();<br />StatFs stat = new StatFs(path.getPath());<br />long blockSize = stat.getBlockSize();<br />long totalBlocks = stat.getBlockCount();<br />return totalBlocks * blockSize;<br />}</p><p>static public long getAvailableExternalMemorySize() {<br />if(externalMemoryAvailable()) {<br />File path = Environment.getExternalStorageDirectory();<br />StatFs stat = new StatFs(path.getPath());<br />long blockSize = stat.getBlockSize();<br />long availableBlocks = stat.getAvailableBlocks();<br />return availableBlocks * blockSize;<br />} else {<br />return ERROR;<br />}<br />}</p><p>static public long getTotalExternalMemorySize() {<br />if(externalMemoryAvailable()) {<br />File path = Environment.getExternalStorageDirectory();<br />StatFs stat = new StatFs(path.getPath());<br />long blockSize = stat.getBlockSize();<br />long totalBlocks = stat.getBlockCount();<br />return totalBlocks * blockSize;<br />} else {<br />return ERROR;<br />}<br />}</p><p>static public String formatSize(long size) {<br />String suffix = null;</p><p>if (size >= 1024) {<br />suffix = "KiB";<br />size /= 1024;<br />if (size >= 1024) {<br />suffix = "MiB";<br />size /= 1024;<br />}<br />}</p><p>StringBuilder resultBuffer = new StringBuilder(Long.toString(size));</p><p>int commaOffset = resultBuffer.length() - 3;<br />while (commaOffset > 0) {<br />resultBuffer.insert(commaOffset, ',');<br />commaOffset -= 3;<br />}</p><p>if (suffix != null)<br />resultBuffer.append(suffix);<br />return resultBuffer.toString();<br />}<br />}

 

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