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Android using Bundle for sharing variables

Sharing variables between Activities is quite important point during development time of your Application. This  Example suppose Activity1 from where you run up other Activity2 .   We gonna share variable myValue. In Activity1 : myValue="string values"; Intent intent = new Intent(MainActivity.this,NewClass.class); Bundle bundle = new Bundle(); bundle.putString("myValue", myValue); intent.putExtras(bundle); startActivity(intent); or Intent intent = new Intent(MainActivity.this,NewClass.class); intent.putExtra("myValue",AnyValue); startActivity(intent); In Activity2 : Bundle bundle = getIntent().getExtras(); String value= bundle.getString(“myValue“); or Intent intent=getIntent(); Bundle bundle=intent.getExtras(); String value= bundle.getString(“myValue“);
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Starting With Eclipse and Android SDK or Configuring Android in Eclipse.

See more basics on Android The Android SDK provides you the API libraries and developer tools necessary to build, test, and debug apps for Android. Download the SDK from here.... Now you have sucessfully downloaded the  ADT Bundle. The ADT Bundle provides everything you need to start developing apps, including a version of the Eclipse IDE with built-in ADT (Android Developer Tools)  to streamline your Android app development.  Download provide you with a zip file. Unpack the zip file and save it to the appropriate location.   Go to the  adt-bundle-<os_platform>/eclipse/  directory and launch  eclipse . That's it! The IDE is already loaded with the Android Developer Tools plugin and the SDK is ready to go.Now develop your own application. You may find your latest updates from Android  SDK Manager. The SDK Manager shows all the SDK packages available for you to add to your Android SDK. Go to windows->Android SDK man...
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Download an Image from Url and Display it in a ImageView

Bitmap bmImg; ImageView img1; @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.sending_card); img1=(ImageView) findViewById(R.id.imageView1); String url="http://i.123g.us/c/efeb_valen_happy/card/107397.gif"; downloadFile(url); } void downloadFile(String fileUrl){ URL myFileUrl =null; try { myFileUrl= new URL(fileUrl); } catch (MalformedURLException e) { // TODO Auto-generated catch block e.printStackTrace(); } try { HttpURLConnection conn= (HttpURLConnection)myFileUrl.openConnection(); conn.setDoInput(true); conn.connect(); InputStream is = conn.getInputStream(); bmImg = BitmapFactory.decodeStream(is); img1.setImageBitm...
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Passing Images between Activities in Android

in First Activity: Intent intent=new Intent(FirstClass.this, SecondClass.class); Bundle bundle=new Bundle(); bundle.putInt("image",R.drawable.ic_launcher); intent.putExtras(bundle); startActivity(intent); in Second Acticity: Bundle bundle=this.getIntent().getExtras(); int pic=bundle.getInt("image"); v.setImageResource(pic); another method: in First Activity: Drawable drawable=imgv.getDrawable(); Bitmap bitmap= ((BitmapDrawable)drawable).getBitmap(); ByteArrayOutputStream baos = new ByteArrayOutputStream(); bitmap.compress(Bitmap.CompressFormat.PNG, 100, baos); byte[] b = baos.toByteArray(); Intent intent=new Intent(Passimage.this,myclass.class); intent.putExtra("picture", b); startActivity(intent); in Second Acticity: Bundle extras = getIntent().getExtras(); byte[] b = extras.getByteArray("picture"); Bitmap bmp = BitmapFactory.decodeByteArray(b, 0, b.lengt...
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