Get Memory Details

• activity_main.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical"

    android:paddingBottom="@dimen/activity_vertical_margin"

    android:paddingLeft="@dimen/activity_horizontal_margin"

    android:paddingRight="@dimen/activity_horizontal_margin"

    android:paddingTop="@dimen/activity_vertical_margin"

    tools:context=".MainActivity" >

    <TextView

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="@string/GET_MEMORY_DETAIL"

        android:textColor="@color/Black"

        android:textSize="20sp" />

    <View

        android:layout_width="fill_parent"

        android:layout_height="1dp"

        android:background="@color/Gray_divider" />

    <TextView

        android:id="@+id/txtAvailableInternal"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_marginTop="20dp"

        android:textColor="@color/Gray_Text" />

    <TextView

        android:id="@+id/txtTotalInternal"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:textColor="@color/Red" />

    <View

        android:layout_width="fill_parent"

        android:layout_height="1dp"

        android:layout_marginBottom="20dp"

        android:layout_marginTop="20dp"

        android:background="@color/Gray_divider" />

    <TextView

        android:id="@+id/txtExternalAvailable"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:textColor="@color/Green" />

    <TextView

        android:id="@+id/txtAvailableExternal"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:textColor="@color/Blue" />

    <TextView

        android:id="@+id/txtTotalExternal"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:textColor="@color/Orange_divider" />

</LinearLayout>

• values/colors.xml

<?xml version="1.0" encoding="utf-8"?>

<resources>

    <color name="Green">#006400</color>

    <color name="Blue">#0e72c8</color>

    <color name="Red">#CC0000</color>

    <color name="Black">#000000</color>

    <color name="Gray_divider">#ccc</color>

    <color name="list_divider">#F2F2F2</color>

    <color name="Label_bg">#ececec</color>

    <color name="Orange_divider">#FE9A2E</color>

    <color name="Gray_Text">#808080</color>

    <color name="Gray_Header">#EBEBEB</color>

</resources>

• values/string.xml

  <string name="GET_MEMORY_DETAIL">GET MEMORY DETAIL</string>

• MainActivity.java

public class MainActivity extends Activity {

private TextView txtAvailableInternal, txtTotalInternal,

txtExternalAvailable, txtAvailableExternal, txtTotalExternal;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

txtAvailableInternal = (TextView) findViewById(R.id.txtAvailableInternal);

txtTotalInternal = (TextView) findViewById(R.id.txtTotalInternal);

txtExternalAvailable = (TextView) findViewById(R.id.txtExternalAvailable);

txtAvailableExternal = (TextView) findViewById(R.id.txtAvailableExternal);

txtTotalExternal = (TextView) findViewById(R.id.txtTotalExternal);

txtAvailableInternal.setText("Available Internal MemorySize : "

+ getAvailableInternalMemorySize());

txtTotalInternal.setText("Total Internal MemorySize : "

+ getTotalInternalMemorySize());

txtExternalAvailable.setText("External Memory Available ? "

+ String.valueOf(externalMemoryAvailable()));

txtAvailableExternal.setText("Available External MemorySize : "

+ getAvailableExternalMemorySize());

txtTotalExternal.setText("Total External MemorySize : "

+ getTotalExternalMemorySize());

}

public static boolean externalMemoryAvailable() {

return android.os.Environment.getExternalStorageState().equals(

android.os.Environment.MEDIA_MOUNTED);

}

public static String getAvailableInternalMemorySize() {

File path = Environment.getDataDirectory();

StatFs stat = new StatFs(path.getPath());

long blockSize = stat.getBlockSize();

long availableBlocks = stat.getAvailableBlocks();

return formatSize(availableBlocks * blockSize);

}

public static String getTotalInternalMemorySize() {

File path = Environment.getDataDirectory();

StatFs stat = new StatFs(path.getPath());

long blockSize = stat.getBlockSize();

long totalBlocks = stat.getBlockCount();

return formatSize(totalBlocks * blockSize);

}

public static String getAvailableExternalMemorySize() {

if (externalMemoryAvailable()) {

File path = Environment.getExternalStorageDirectory();

StatFs stat = new StatFs(path.getPath());

long blockSize = stat.getBlockSize();

long availableBlocks = stat.getAvailableBlocks();

return formatSize(availableBlocks * blockSize);

} else {

return "ERROR";

}

}

public static String getTotalExternalMemorySize() {

if (externalMemoryAvailable()) {

File path = Environment.getExternalStorageDirectory();

StatFs stat = new StatFs(path.getPath());

long blockSize = stat.getBlockSize();

long totalBlocks = stat.getBlockCount();

return formatSize(totalBlocks * blockSize);

} else {

return "ERROR";

}

}

public static String formatSize(long size) {

String suffix = null;

if (size >= 1024) {

suffix = "KB";

size /= 1024;

if (size >= 1024) {

suffix = "MB";

size /= 1024;

}

}

StringBuilder resultBuffer = new StringBuilder(Long.toString(size));

int commaOffset = resultBuffer.length() - 3;

while (commaOffset > 0) {

resultBuffer.insert(commaOffset, ',');

commaOffset -= 3;

}

if (suffix != null)

resultBuffer.append(suffix);

return resultBuffer.toString();

}

@Override

public boolean onCreateOptionsMenu(Menu menu) {

// Inflate the menu; this adds items to the action bar if it is present.

getMenuInflater().inflate(R.menu.main, menu);

return true;

}

}