1) Why is this in the book section?

2) In order to take screenshots, the phone must be rooted.

Code: Select all

private void captureScreen() {
      RelativeLayout mainLayout = (RelativeLayout) findViewById(R.id.main);
                File root = Environment.getExternalStorageDirectory();
                File file = new File(root,"androidlife.jpg");
      Bitmap b = Bitmap.createBitmap(mainLayout.getWidth(), mainLayout
            .getHeight(), Bitmap.Config.ARGB_8888);
      Canvas c = new Canvas(b);
      mainLayout.draw(c);
      FileOutputStream fos = null;
      try {
         fos = new FileOutputStream(file);

         if (fos != null) {
            b.compress(Bitmap.CompressFormat.JPEG, 90, fos);
            fos.close();
         }
      } catch (Exception e) {
         e.printStackTrace();


can you try this code?
this code create androidlife.jpg on your sdcard folder

Thanks for the reply. But i need it without SD card. And in specific i need how to capture for the key events.

Hi,
I want to know how to code the monkey in android. Am using eclipse software to build it, so i cannot use monkey code directly in to make the application. So how to translate monkey code into pure java… Or else is there any plugins/ special activation needed for monkey in eclipse to use it????

And i want the code for the playback of
1.menu button, 2.call, 3.call end, 4.home, 5.back, 6.up , 7.down, 8.left, 9.right key.

please respond asap..

gokberks wrote:

Code: Select all

private void captureScreen() {
      RelativeLayout mainLayout = (RelativeLayout) findViewById(R.id.main);
                File root = Environment.getExternalStorageDirectory();
                File file = new File(root,"androidlife.jpg");
      Bitmap b = Bitmap.createBitmap(mainLayout.getWidth(), mainLayout
            .getHeight(), Bitmap.Config.ARGB_8888);
      Canvas c = new Canvas(b);
      mainLayout.draw(c);
      FileOutputStream fos = null;
      try {
         fos = new FileOutputStream(file);

         if (fos != null) {
            b.compress(Bitmap.CompressFormat.JPEG, 90, fos);
            fos.close();
         }
      } catch (Exception e) {
         e.printStackTrace();


can you try this code?
this code create androidlife.jpg on your sdcard folder

Since long time I am looking for same code. Thanks a lot for sharing. My application was stucked behind this.

You cannot do this from an android app except on a rooted phone, as you don't have permission to access the framebuffer device.

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V!j! Neelu wrote:Thanks for the reply. But i need it without SD card. And in specific i need how to capture for the key events.

Where are you going to save the captured screenshot if not in the sd card.

You cannot do this from an android app except on a rooted phone, as you don't have permission to access the framebuffer device.

You can however do it over adb from the DDMS window of your development machine, as adb runs in the graphics group which has permission to the framebuffer.

If you want to do something similar in native code on a rooted device, look at the sources to the adb daemon.

EDIT: It appears this may be changing and there may be non-root capability in more recent android releases, but I'm not sure of the details.