Mega Code Archive
Is Storage ReadableWritable
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//package ch.uzh.ifi.attempto.mobileape;
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
import android.content.Context;
import android.os.Environment;
import android.widget.Toast;
public class Utils {
public static boolean isStorageWritable() {
boolean mExternalStorageAvailable = false;
boolean mExternalStorageWriteable = false;
String state = Environment.getExternalStorageState();
if (Environment.MEDIA_MOUNTED.equals(state)) {
// We can read and write the media
mExternalStorageAvailable = mExternalStorageWriteable = true;
} else if (Environment.MEDIA_MOUNTED_READ_ONLY.equals(state)) {
// We can only read the media
mExternalStorageAvailable = true;
mExternalStorageWriteable = false;
} else {
// Something else is wrong. It may be one of many other states, but all we need
// to know is we can neither read nor write
mExternalStorageAvailable = mExternalStorageWriteable = false;
}
//Toast.makeText(TransAnd.this, "SD: available: " + mExternalStorageAvailable + "; writable: " + mExternalStorageWriteable, Toast.LENGTH_LONG).show();
return (mExternalStorageAvailable && mExternalStorageWriteable);
}
public static boolean isStorageReadable() {
boolean mExternalStorageAvailable = false;
String state = Environment.getExternalStorageState();
if (Environment.MEDIA_MOUNTED.equals(state)) {
mExternalStorageAvailable = true;
} else if (Environment.MEDIA_MOUNTED_READ_ONLY.equals(state)) {
mExternalStorageAvailable = true;
}
return mExternalStorageAvailable;
}
/**
*
* @param filePath
* @return
* @throws java.io.IOException
*/
public static String readFileAsString(String filePath) throws java.io.IOException {
byte[] buffer = new byte[(int) new File(filePath).length()];
BufferedInputStream f = null;
try {
f = new BufferedInputStream(new FileInputStream(filePath));
f.read(buffer);
} finally {
if (f != null) try { f.close(); } catch (IOException ignored) { }
}
return new String(buffer);
}
public static List<String> readFileToLines(String filePath) throws IOException {
List<String> lines = new ArrayList<String>();
FileInputStream fstream = new FileInputStream(filePath);
DataInputStream in = new DataInputStream(fstream);
BufferedReader br = new BufferedReader(new InputStreamReader(in));
String strLine;
while ((strLine = br.readLine()) != null) {
lines.add(strLine);
}
in.close();
return lines;
}
public static void showMessage(Context context, String message) {
Toast.makeText(context, message, Toast.LENGTH_LONG).show();
}
public static void showException(Context context, Exception e) {
Toast.makeText(context, e.getMessage(), Toast.LENGTH_LONG).show();
}
}
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