Capture Screen in libGdx - libgdx

Question

I want to capture screen in libGdx . I use this code for my problem. On Desktop it work . But when I run on my android , I can't find image capture screen. How can I fix it? Thanks for reading my question.
public class ScreenshotFactory {
private static int counter = 1;
public static void saveScreenshot() {
try {
FileHandle fh;
do {
if (Gdx.app.getType() == ApplicationType.Desktop)
Infor.linkScreenShot = "D://chupngoc" + counter + ".png";
else
Infor.linkScreenShot = Gdx.files.getExternalStoragePath()
+ counter + ".png";
Infor.nameImage = counter + ".png";
fh = new FileHandle(Infor.linkScreenShot);
counter++;
} while (fh.exists());
Pixmap pixmap = getScreenshot(0, 0, Gdx.graphics.getWidth(),
Gdx.graphics.getHeight(), true);
PixmapIO.writePNG(fh, pixmap);
pixmap.dispose();
} catch (Exception e) {
}
}
private static Pixmap getScreenshot(int x, int y, int w, int h,
boolean yDown) {
Gdx.gl.glPixelStorei(GL20.GL_PACK_ALIGNMENT, 1);
final Pixmap pixmap1 = new Pixmap(w, h, Format.RGBA8888);
ByteBuffer pixels1 = pixmap1.getPixels();
Gdx.gl.glReadPixels(x, y, w, h, GL20.GL_RGBA, GL20.GL_UNSIGNED_BYTE,
pixels1);
Pixmap pixmap = pixmap1;
if (yDown) {
// Flip the pixmap upside down
ByteBuffer pixels = pixmap.getPixels();
int numBytes = w * h * 4;
byte[] lines = new byte[numBytes];
int numBytesPerLine = w * 4;
for (int i = 0; i < h; i++) {
pixels.position((h - i - 1) * numBytesPerLine);
pixels.get(lines, i * numBytesPerLine, numBytesPerLine);
}
pixels.clear();
pixels.put(lines);
}
return pixmap;
}
}

Answer 1

Your problem lies here...
fh = new FileHandle(Infor.linkScreenShot);
This way of creating a FileHandle is for the desktop only and will not work on Android.
You should create a file using Gdx.files.external instead...
fh = Gdx.files.external(Infor.linkScreenShot);