Develop Reference

How to create view in background service to save the canvas as a picture?

This might be an strange requirement, however, it is useful in specific cases. E.g. when you running a web service on an Android device and serves the page with special drawings.
All the web service stuff will be running in a background thread in a background service, without any visible activity widows. How can I inflate the some layout file into a view and change the content in Java in the background thread?
Is that possible? How?

public class MyIntentService extends IntentService {
#Override
protected void onHandleIntent(Intent intent) {
LayoutInflater inflater = LayoutInflater.from(getApplicationContext());
View view = inflater.inflate(R.layout.view, null);
Button button = (Button) view.findViewById( R.id.button );
String text = intent.getExtras().getString("text");
button.setText(text);
view.setDrawingCacheEnabled(true);
Bitmap bitmap = view.getDrawingCache();
}
}

As I'm uncertain of the exact use case, the following code is merely proof of concept, but should be easily adapted to your needs. A sample layout is inflated in an IntentService, various View attributes are altered, and a Bitmap is saved to external storage.
The layout file, off_screen.xml:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/linear_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:orientation="vertical"
android:background="#aaddff" >
<ImageView android:id="#+id/image_view"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/ic_launcher" />
<TextView android:id="#+id/text_view"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textColor="#000000"
android:text="Hello!" />
</LinearLayout>
The IntentService class, ViewPictureService:
public class ViewPictureService extends IntentService
{
public static final String EXTRA_WIDTH = "width";
public static final String EXTRA_HEIGHT = "height";
public static final String EXTRA_RESOURCE = "resource";
public static final String EXTRA_FILENAME = "filename";
public ViewPictureService()
{
super("ViewPictureService");
}
#Override
protected void onHandleIntent(Intent intent)
{
int resId = intent.getIntExtra(EXTRA_RESOURCE, 0);
int width = intent.getIntExtra(EXTRA_WIDTH, -1);
int height = intent.getIntExtra(EXTRA_HEIGHT, -1);
String filename = intent.getStringExtra(EXTRA_FILENAME);
saveLayoutBitmap(resId, width, height, filename);
}
private void saveLayoutBitmap(int resId, int width, int height, String filename)
{
LayoutInflater inflater = LayoutInflater.from(this);
View view = inflater.inflate(resId, null);
((LinearLayout) view).setBackgroundColor(Color.RED);
((TextView) view.findViewById(R.id.text_view)).setText("World!");
((ImageView) view.findViewById(R.id.image_view)).setImageDrawable(getResources().getDrawable(android.R.drawable.ic_dialog_alert));
WindowManager wm = (WindowManager) getSystemService(Context.WINDOW_SERVICE);
Display display = wm.getDefaultDisplay();
int w = width < 0 ? display.getWidth() : width;
int h = height < 0 ? display.getHeight() : height;
view.measure(MeasureSpec.makeMeasureSpec(w, MeasureSpec.EXACTLY),
MeasureSpec.makeMeasureSpec(h, MeasureSpec.EXACTLY));
view.layout(0, 0, view.getMeasuredWidth(), view.getMeasuredHeight());
view.setDrawingCacheEnabled(true);
view.buildDrawingCache();
Bitmap bmp = view.getDrawingCache();
String target = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS)
+ File.separator + filename;
File f = new File(target);
try
{
FileOutputStream fos = new FileOutputStream(f);
bmp.compress(Bitmap.CompressFormat.PNG, 100, fos);
fos.flush();
fos.close();
}
catch (FileNotFoundException e)
{
e.printStackTrace();
}
catch (IOException e)
{
e.printStackTrace();
}
}
}
And a sample invocation of the Service:
Intent intent = new Intent(this, ViewPictureService.class);
intent.putExtra(ViewPictureService.EXTRA_RESOURCE, R.layout.off_screen);
intent.putExtra(ViewPictureService.EXTRA_WIDTH, 540);
intent.putExtra(ViewPictureService.EXTRA_HEIGHT, 960);
intent.putExtra(ViewPictureService.EXTRA_FILENAME, "view_" + System.currentTimeMillis() + ".png");
startService(intent);
Of course, the file write will need a permission in the manifest:
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
And the Service will need an entry in the <application> section:
<service android:name=".ViewPictureService" />

Listview click event not working

I am displaying images and file names in my list view. With the below code images and file names are populated but I am unable to click items in the listview.The activity just crashes on the click of item in the listview. Please help in figuring out.Thanks
public class ListviewActivity extends Activity
{
public class Data_Adapter extends ArrayAdapter<Data_Class>
{
Context context;
int ResourceLayoutId;
ArrayList<Data_Class> data = null;
public Data_Adapter(Context c, int r, ArrayList<Data_Class> dc)
{
super(c, r, dc);
this.ResourceLayoutId = r;
this.context = c;
this.data = dc;
}
public View getView(int position, View convertView, ViewGroup parent)
{
View row = convertView;
DataHolder holder = null;
if (row == null)
{
LayoutInflater inflater = ((Activity) context).getLayoutInflater();
row = inflater.inflate(ResourceLayoutId, parent, false);
holder = new DataHolder();
holder.image = (ImageView) row.findViewById(R.id.image1);
holder.txt = (TextView) row.findViewById(R.id.textlist);
row.setTag(holder);
} else
{
holder = (DataHolder) row.getTag();
}
Data_Class dc = data.get(position);
holder.txt.setText(dc.data);
Bitmap bm = decodeSampledBitmapFromUri(data.get(position).get_path(), 100, 100);
holder.image.setImageBitmap(bm);
return row;
}
public Bitmap decodeSampledBitmapFromUri(String path, int reqWidth, int reqHeight)
{
Bitmap bm = null;
// First decode with inJustDecodeBounds=true to check dimensions
final BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = true;
BitmapFactory.decodeFile(path, options);
// Calculate inSampleSize
options.inSampleSize = calculateInSampleSize(options, reqWidth, reqHeight);
// Decode bitmap with inSampleSize set
options.inJustDecodeBounds = false;
bm = BitmapFactory.decodeFile(path, options);
return bm;
}
public int calculateInSampleSize(
BitmapFactory.Options options, int reqWidth, int reqHeight)
{
// Raw height and width of image
final int height = options.outHeight;
final int width = options.outWidth;
int inSampleSize = 1;
if (height > reqHeight || width > reqWidth)
{
if (width > height)
{
inSampleSize = Math.round((float) height / (float) reqHeight);
} else
{
inSampleSize = Math.round((float) width / (float) reqWidth);
}
}
return inSampleSize;
}
public class DataHolder
{
ImageView image;
TextView txt;
}
}
private ListView listview1;
private int check_view;
private File targetDirectory;
private File[] files;
protected static ArrayList<Data_Class> dataclass = new ArrayList<Data_Class>();
#Override
protected void onCreate(Bundle savedInstanceState)
{
// TODO Auto-generated method stub
check_view = 0;
super.onCreate(savedInstanceState);
setContentView(R.layout.listview_layout);
listview1 = (ListView) findViewById(R.id.List1);
String path = Environment.getExternalStorageDirectory().getAbsolutePath();
String targetPath = path + "/MyApp/";
targetDirectory = new File(targetPath);
files = targetDirectory.listFiles();
for (int i = 0; i < files.length; i++)
{
dataclass.add(new Data_Class(files[i].getName(), files[i].getAbsolutePath()));
}
Data_Adapter adapter = new Data_Adapter(this, R.layout.img, dataclass);
listview1.setAdapter(adapter);
listview1.setClickable(true);
// activity crashes when trying clicking item in listview
listview1.setOnItemClickListener(new OnItemClickListener()
{
#Override
public void onItemClick(AdapterView<?> parent, View view, int position,
long id)
{
// TODO Auto-generated method stub
String path = (String) parent.getItemAtPosition(position);
Toast.makeText(ListviewActivity.this, path, Toast.LENGTH_LONG).show();
if(path.contains(".pdf")){
String path2 = path.substring(path.lastIndexOf("/") + 1);
File file = new File(Environment.getExternalStorageDirectory().getAbsolutePath() + "/MyApp/" + path2);
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setDataAndType(Uri.fromFile(file), "application/pdf");
intent.setFlags(Intent.FLAG_ACTIVITY_NO_HISTORY);
Intent intent2 = Intent.createChooser(intent, "Open File");
try {
startActivity(intent2);
} catch (ActivityNotFoundException e) {
Toast.makeText(ListviewActivity.this, "No pdf viewer found. Install one. ", Toast.LENGTH_LONG).show();
}
}
}
}
});
}
}
// image.xml which contains imageview and textview
<ImageView
android:id="#+id/image1"
android:layout_width="50dip"
android:layout_height="50dip"
android:layout_alignParentTop="true"
android:layout_alignParentBottom="true"
/>
<TextView
android:id="#+id/textlist"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textColor="#000000"
android:textSize="15dp"
android:textStyle="bold" />
// and main activity.xml
<ListView
android:id="#+id/List1"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
</ListView>

Your listview contains list of Data_Class not String,which causes crash,So Change
String path = (String) parent.getItemAtPosition(position);
to
Data_Class mData_Class = (Data_Class) parent.getItemAtPosition(position);
String path = mData_Class.Name;
Change Name variable with your Data_Class file name variable.

Photoshop image blending mode in Android

After a lot of searching now i am able to create Photoshop blending mode filter in android. Here is my working code for image blending mode in android it is working from android 2.1 to 4.4 enjoy and incase of any query feel free to ask :)
public class MainActivity extends Activity {
Button btnLoadImage1, btnLoadImage2;
TextView textSource1, textSource2;
Button btnProcessing;
ImageView imageResult;
final int RQS_IMAGE1 = 1;
final int RQS_IMAGE2 = 2;
int blendmode=1;
Uri source1, source2;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
btnLoadImage1 = (Button) findViewById(R.id.loadimage1);
btnLoadImage2 = (Button) findViewById(R.id.loadimage2);
textSource1 = (TextView) findViewById(R.id.sourceuri1);
textSource2 = (TextView) findViewById(R.id.sourceuri2);
btnProcessing = (Button) findViewById(R.id.processing);
imageResult = (ImageView) findViewById(R.id.result);
/*
SVG svg = SVGParser.getSVGFromResource(getResources(), R.raw.businnes);
Picture picture = svg.getPicture();
Drawable drawable = svg.createPictureDrawable();
imageResult.setImageDrawable(drawable);*/
btnLoadImage1.setOnClickListener(new OnClickListener() {
#Override
public void onClick(View arg0) {
Intent intent = new Intent(
Intent.ACTION_PICK,
android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
startActivityForResult(intent, RQS_IMAGE1);
}
});
btnLoadImage2.setOnClickListener(new OnClickListener() {
#Override
public void onClick(View arg0) {
Intent intent = new Intent(
Intent.ACTION_PICK,
android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
startActivityForResult(intent, RQS_IMAGE2);
}
});
btnProcessing.setOnClickListener(new OnClickListener() {
#Override
public void onClick(View v) {
if (source1 != null && source2 != null) {
Bitmap processedBitmap = ProcessingBitmap(blendmode);
blendmode++;
if(blendmode>7)
blendmode=1;
if (processedBitmap != null) {
imageResult.setImageBitmap(processedBitmap);
/*Toast.makeText(getApplicationContext(), "Done",
Toast.LENGTH_LONG).show();*/
} else {
Toast.makeText(getApplicationContext(),
"Something wrong in processing!",
Toast.LENGTH_LONG).show();
}
} else {
Toast.makeText(getApplicationContext(),
"Select both image!", Toast.LENGTH_LONG).show();
}
}
});
}
#Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (resultCode == RESULT_OK) {
switch (requestCode) {
case RQS_IMAGE1:
source1 = data.getData();
textSource1.setText(source1.toString());
break;
case RQS_IMAGE2:
source2 = data.getData();
textSource2.setText(source2.toString());
break;
}
}
}
#SuppressLint("NewApi")
private Bitmap ProcessingBitmap(int value) {
Bitmap bm1 = null;
Bitmap bm2 = null;
Bitmap newBitmap = null;
try {
bm1 = BitmapFactory.decodeStream(getContentResolver()
.openInputStream(source1));
bm2 = BitmapFactory.decodeStream(getContentResolver()
.openInputStream(source2));
int w;
if (bm1.getWidth() >= bm2.getWidth()) {
w = bm1.getWidth();
} else {
w = bm2.getWidth();
}
int h;
if (bm1.getHeight() >= bm2.getHeight()) {
h = bm1.getHeight();
} else {
h = bm2.getHeight();
}
Config config = bm1.getConfig();
if (config == null) {
config = Bitmap.Config.ARGB_8888;
}
newBitmap = Bitmap.createBitmap(w, h, config);
Canvas newCanvas = new Canvas(newBitmap);
newCanvas.drawBitmap(bm1, 0, 0, null);
Paint paint = new Paint();
switch (value) {
case Key.KEYS_BLEND_DARKEN:
Print_Toast("BLEND_DARKEN");
paint.setXfermode(new PorterDuffXfermode(Mode.DARKEN));
break;
case Key.KEYS_BLEND_MULTIPLY:
Print_Toast("BLEND_MULTIPLY");
paint.setXfermode(new PorterDuffXfermode(Mode.MULTIPLY));
break;
case Key.KEYS_BLEND_ADD:
Print_Toast("BLEND_ADD");
paint.setXfermode(new PorterDuffXfermode(Mode.ADD));
break;
case Key.KEYS_BLEND_DESOLVE:
Print_Toast("BLEND_DESOLVE");
paint.setXfermode(new PorterDuffXfermode(Mode.DST));
break;
case Key.KEYS_BLEND_DESOLVE_LIGHTEN:
Print_Toast("BLEND_LIGHTEN");
paint.setXfermode(new PorterDuffXfermode(Mode.LIGHTEN));
break;
case Key.KEYS_BLEND_DESOLVE_OVERLAY:
Print_Toast("BLEND_OVERLAY");
paint.setXfermode(new PorterDuffXfermode(Mode.OVERLAY));
break;
case Key.KEYS_BLEND_DESOLVE_SCREEN:
Print_Toast("BLEND_SCREEN");
paint.setXfermode(new PorterDuffXfermode(Mode.SCREEN));
break;
default:
break;
}
paint.setShader(new BitmapShader(bm2, TileMode.CLAMP, TileMode.CLAMP));
/*paint.setAlpha(128);
paint.setDither(true);
paint.setAntiAlias(true);*/
//paint.setXfermode(new PorterDuffXfermode(android.graphics.PorterDuff.Mode.DST_IN));
newCanvas.drawRect(0, 0, bm2.getWidth(), bm2.getHeight(), paint);
//newCanvas.drawBitmap(bm2, 0, 0, paint);
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return newBitmap;
}
#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;
}
void printlog(String tag,String value){
Log.d(tag, value);
}
void Print_Toast(String value){
Toast.makeText(MainActivity.this, value, Toast.LENGTH_SHORT).show();
}
}
Here is Key class
public class Key {
final public static int KEYS_BLEND_DARKEN=1;
final public static int KEYS_BLEND_MULTIPLY=2;;
public static final int KEYS_BLEND_ADD = 3;
public static final int KEYS_BLEND_DESOLVE = 4;
public static final int KEYS_BLEND_DESOLVE_LIGHTEN = 5;
public static final int KEYS_BLEND_DESOLVE_OVERLAY = 6;
public static final int KEYS_BLEND_DESOLVE_SCREEN = 7;
}
xml file is activity_main
<RelativeLayout 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: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" >
<Button
android:id="#+id/loadimage1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Load Image1" />
<TextView
android:id="#+id/sourceuri1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="#+id/loadimage1"
android:layout_below="#+id/loadimage1"
android:layout_marginLeft="62dp"
android:text="TextView" />
<Button
android:id="#+id/loadimage2"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignLeft="#+id/loadimage1"
android:layout_below="#+id/sourceuri1"
android:text="Load Image2" />
<TextView
android:id="#+id/sourceuri2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignRight="#+id/sourceuri1"
android:layout_below="#+id/loadimage2"
android:text="TextView" />
<Button
android:id="#+id/processing"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="#+id/loadimage2"
android:layout_alignRight="#+id/loadimage2"
android:layout_below="#+id/sourceuri2"
android:text="Processing" />
<ImageView
android:id="#+id/result"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_below="#+id/processing"
android:layout_centerHorizontal="true"
android:src="#drawable/ic_launcher" />
</RelativeLayout>

Display full screen image in ImageView

I want to display full screen image on another activity after clicking an imageview. I have 6 ImageViews in my layout and each ImageView is getting image from Parse backend. How can I display image on fetching the imagepath ?
public ImageLoader imgl;
ImageView ad1,ad2,ad3,ad4,ad5,ad6;
List<ParseObject> ob;
private ImageView[] imgs = new ImageView[5];
int k=0;
ad1=(ImageView) findViewById(R.id.ad1);
ad2=(ImageView) findViewById(R.id.ad2);
ad3=(ImageView) findViewById(R.id.ad3);
ad4=(ImageView) findViewById(R.id.ad4);
ad5=(ImageView) findViewById(R.id.ad5);
ad6=(ImageView) findViewById(R.id.ad6);
imgs[0] = ad2;
imgs[1] = ad3;
imgs[2] = ad4;
imgs[3] = ad5;
imgs[4] = ad6;
ParseQuery<ParseObject> query = new ParseQuery<ParseObject>("Adverts");
query.orderByDescending("updatedAt");
query.whereEqualTo("Status", true);
try {
ob = query.find();
System.out.println("the urls areeee "+ob);
for (ParseObject country : ob) {
ParseFile image = (ParseFile) country.get("imageFile");
imgl.DisplayImage(image.getUrl(), imgs[k]);
k=k+1;
System.out.println("the urls are"+image.getUrl());
pd.dismiss();
}
} catch (com.parse.ParseException e) {
// TODO Auto-generated catch block
pd.dismiss();
e.printStackTrace();
}
ad1.setOnClickListener(new View.OnClickListener() {
public void onClick(View view) {
Intent ent= new Intent(HomeActivity.this,AdvertsActivity.class);
startActivity(ent);
}
});
}

Set click listener on your ImageView and pass your image url in argument and call method
private void viewImage(String url)
{
final Dialog nagDialog = new Dialog(ProjectDetailActivity.this,android.R.style.Theme_Translucent_NoTitleBar_Fullscreen);
nagDialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
nagDialog.setCancelable(false);
nagDialog.setContentView(R.layout.dialog_full_image);
ivPreview = (ImageView)nagDialog.findViewById(R.id.imageView1);
BitmapDrawable bmd = (BitmapDrawable)getDrawableFromUrl(url)
Bitmap bitmap = bmd.getBitmap();
ivPreview.setImageBitmap(bitmap);
nagDialog.show();
}
public Drawable getDrawableFromUrl(String imgUrl)
{
if(imgUrl == null || imgUrl.equals(""))
return null;
try
{
URL url = new URL(imgUrl);
InputStream in = url.openStream();
Drawable d = Drawable.createFromStream(in, imgUrl);
return d;
}
catch (Exception e)
{
e.printStackTrace();
}
return null;
}
use xml file
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#android:color/white"
android:layout_gravity="center" >
<ImageView
android:id="#+id/imageView1"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
android:contentDescription="#string/hello_world"
android:src="#android:color/white"
android:layout_margin="5dp"
android:scaleType="centerInside"/>
</RelativeLayout>

Android code to record a video using remote IP camera which is accessed by using a url

Here are some links which tell about video recording:
How can I capture a video recording on Android?
https://github.com/churnlabs/android-ffmpeg-sample
and there are also many links which tell about video recording but got no any clue how to use the remote IP camera to record video.
By using different samples on stackoverflow I become able to take picture and save on sdcard but couldn't record video.
If any one has any idea or code along with required files I will be thankful.
For example the url I am using where the IP camera is available is given below:
http://trackfield.webcam.oregonstate.edu/axis-cgi/mjpg/video.cgi?resolution=800x600&amp%3bdummy=1333689998337
Here is the layout code:
<RelativeLayout
android:id="#+id/LinearLayout02"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_above="#+id/logo"
android:layout_alignParentTop="true"
android:layout_weight="1" >
<ImageButton
android:id="#+id/btnCam"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:layout_marginRight="10dp"
android:layout_marginTop="10dp"
android:src="#drawable/camera_icon" >
</ImageButton>
<ImageButton
android:id="#+id/btnVideo"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_marginRight="10dp"
android:layout_marginTop="10dp"
android:src="#drawable/camera_icon" >
</ImageButton>
</RelativeLayout>
<LinearLayout
android:id="#+id/LinearLayout03"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_above="#+id/LinearLayout01"
android:layout_below="#+id/LinearLayout02"
android:layout_weight="1" >
<RelativeLayout
android:id="#+id/RelativeLayout01"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_weight="1"
android:background="#ffffff" >
<view
android:id="#+id/mv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
class="com.apps.GrahamConst.MjpegView" />
</RelativeLayout>
</LinearLayout>
<LinearLayout
android:id="#+id/LinearLayout01"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_weight="1"
android:background="#drawable/navbar" >
<ImageButton
android:id="#+id/btnPrevious"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical|center_horizontal"
android:layout_weight="1"
android:background="#null"
android:src="#drawable/previous" >
</ImageButton>
<ImageButton
android:id="#+id/btnMain"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical|center_horizontal"
android:layout_weight="1"
android:background="#null"
android:src="#drawable/main" >
</ImageButton>
<ImageButton
android:id="#+id/btnNext"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical|center_horizontal"
android:layout_weight="1"
android:background="#null"
android:src="#drawable/next" >
</ImageButton>
</LinearLayout>
</RelativeLayout>
Here is my Activity
public class CameraDetails2 extends Activity implements OnClickListener {
private MediaScannerConnection m_pScanner;
String drawable = null;
private MjpegView mv;
private ProgressDialog dialog;
private HashMap<String, String> item;
private int id = -1;
private WindowManager winMan;
boolean recording = false;
MediaRecorder recorder;
int bytearraysize = 0;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
winMan = (WindowManager) getApplicationContext().getSystemService(
Context.WINDOW_SERVICE);
if (winMan != null) {
int orientation = winMan.getDefaultDisplay().getOrientation();
if (orientation == 0) {
// Portrait
setContentView(R.layout.cameradetails);
} else if (orientation == 1) {
// Landscape
setContentView(R.layout.cameradetailsl);
}
}
Bundle b = getIntent().getExtras();
ImageButton b1 = (ImageButton) findViewById(R.id.btnNext);
b1.setOnClickListener(this);
ImageButton b2 = (ImageButton) findViewById(R.id.btnMain);
b2.setOnClickListener(this);
ImageButton b3 = (ImageButton) findViewById(R.id.btnPrevious);
b3.setOnClickListener(this);
ImageButton b4 = (ImageButton) findViewById(R.id.btnCam);
b4.setOnClickListener(this);
ImageButton b5 = (ImageButton) findViewById(R.id.btnVideo);
b5.setOnClickListener(this);
id = Integer.valueOf(b.get("id").toString());
item = listarrayadapter.cameraList.get(Integer.valueOf(id));
mv = (MjpegView) findViewById(R.id.mv);
try {
getVal(item.get("cameraLink"));
// getVal("http://trackfield.webcam.oregonstate.edu/axis-cgi/mjpg
/video.cgi?resolution=800x600&amp%3bdummy=1333689998337");
} catch (Exception e) {
e.printStackTrace();
mv.setBackgroundResource(R.drawable.offline);
}
}
#Override
protected void onResume() {
// if(recording)
// {
// getVal("http://trackfield.webcam.oregonstate.edu/axis-cgi/mjpg
/video.cgi?resolution=800x600&amp%3bdummy=1333689998337");
// }
super.onResume();
}
public void onPause() {
super.onPause();
dialog.dismiss();
mv.stopPlayback();
}
private void getVal(final String url) {
Log.i("URL===", url);
updateButtons();
dialog = ProgressDialog.show(this, null, null, true);
final Handler handler = new Handler() {
public void handleMessage(Message msg) {
dialog.dismiss();
}
};
Thread checkUpdate = null;
checkUpdate = new Thread() {
public void run() {
mv.setSource(MjpegInputStream.read(url));
mv.setDisplayMode(MjpegView.SIZE_FULLSCREEN);
handler.sendEmptyMessage(0);
}
};
checkUpdate.start();
}
#Override
public void onClick(View v) {
// TODO Auto-generated method stub
int btn = v.getId();
if (btn == R.id.btnMain) {
Intent intent = new Intent();
intent.setClass(CameraDetails2.this, CamerasList.class);
startActivity(intent);
finish();
}
if (btn == R.id.btnNext) {
id += 1;
Intent myintent = new Intent(CameraDetails2.this,
CameraDetails.class);
myintent.putExtra("id", id);
startActivity(myintent);
finish();
}
if (btn == R.id.btnPrevious) {
id -= 1;
Intent myintent = new Intent(CameraDetails2.this,
CameraDetails.class);
myintent.putExtra("id", id);
startActivity(myintent);
finish();
}
if (btn == R.id.btnCam) {
if (mv != null) {
Date dt = new Date();
int years = dt.getYear();
int month = dt.getMonth();
int day = dt.getDay();
int hours = dt.getHours();
int minutes = dt.getMinutes();
int seconds = dt.getSeconds();
final String filename = years + "" + month + "" + day + ""
+ hours + "" + minutes + "" + seconds;
try {
Bitmap image = MjpegView.savebmp;
File SDCardRoot =
Environment.getExternalStorageDirectory();
FileOutputStream fileOutputStream = null;
fileOutputStream = new FileOutputStream(
SDCardRoot.toString() + "/" +
filename + ".jpg");
BufferedOutputStream bos = new
BufferedOutputStream(
fileOutputStream);
int quality = 95;
image.compress(CompressFormat.JPEG, quality, bos);
final String szFile = SDCardRoot.toString() + "/"
+ filename + ".jpg";
m_pScanner = new MediaScannerConnection(this,
new MediaScannerConnectionClient()
{
public void
onMediaScannerConnected() {
m_pScanner
.scanFile(szFile, null /* mimeType */);
}
public void
onScanCompleted(String path, Uri uri) {
if
(path.equals(szFile)) {
CameraDetails2.this
.runOnUiThread(new Runnable() {
public void run() {
Toast.makeText(
getApplicationContext(),
"Image Saved.",
Toast.LENGTH_LONG)
.show();
}
});
m_pScanner.disconnect();
}
}
});
m_pScanner.connect();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
if (btn == R.id.btnVideo) {
if (recording) {
// stop and save
recording = false;
MjpegInputStream.isrecording = false;
List<byte[]> bytelist = new ArrayList<byte[]>();
ArrayList<ByteArrayOutputStream> byteArrayStream =
MjpegInputStream.byteArrayStream;
for (int i = 0; i < byteArrayStream.size(); i++) {
byte[] templist
=byteArrayStream.get(i).toByteArray();
bytelist.add(templist);
}
for (int j = 0; j < bytelist.size(); j++) {
bytearraysize += bytelist.get(j).length;
}
byte[] totalbytes = new byte[bytearraysize];
int f = 0;
for (int j = 0; j < bytelist.size(); j++) {
for (int a = 0; a < bytelist.get(j).length; a++) {
totalbytes[f] = bytelist.get(j)[a];
f++;
}
}
Log.e("num of bytes", "" + totalbytes.length);
// Byte[] bytes = bytelist.toArray(new
//Byte[bytelist.size()]);
try {
writeToFile(totalbytes, "" +
System.currentTimeMillis());
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
} else {
recording = true;
MjpegInputStream.isrecording = true;
// onResume();
// start recording
}
// recorder=new MediaRecorder();
// try {
// recorder.prepare();
// } catch (IllegalStateException e) {
// e.printStackTrace();
// finish();
// } catch (IOException e) {
// e.printStackTrace();
// finish();
// }
//
// //recorder.setAudioSource(MediaRecorder.AudioSource.DEFAULT);
// // recorder.setVideoSource(MediaRecorder.VideoSource.DEFAULT);
//
// //
// //
// // CamcorderProfile cpHigh = CamcorderProfile
// // .get(CamcorderProfile.QUALITY_HIGH);
// // recorder.setProfile(cpHigh);
// recorder.setVideoSource(mv.getId());
// recorder.setOutputFile("/sdcard/videocapture_example.mp4");
// recorder.setMaxDuration(50000); // 50 seconds
// recorder.setMaxFileSize(5000000); // Approximately 5 megabytes
}
}
public void writeToFile(byte[] bytes, String videoname) throws IOException {
try {
Log.e("num of bytes to be saved", "" + bytes.length);
String path = "/sdcard/" + videoname + ".mp4";
FileOutputStream stream = new FileOutputStream(path);
stream.write(bytes);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
}
private void updateButtons() {
ImageButton btnNext = (ImageButton) findViewById(R.id.btnNext);
ImageButton btnPrevious = (ImageButton) findViewById(R.id.btnPrevious);
if (id == 0) {
btnPrevious.setEnabled(false);
} else {
btnPrevious.setEnabled(true);
}
if (id == listarrayadapter.cameraList.size() - 1) {
btnNext.setEnabled(false);
} else {
btnNext.setEnabled(true);
}
}
}