What can be done in Intent ?

17 Aug 2011
How to pass Object from Activity A to B ?

import java.util.*;

import android.os.*;



public class Data implements Parcelable {

public int value = 0;

	

public Data() {}

	

private Data(Parcel in) {

 value = in.readInt();

}

	

public int describeContents() {

 return 0;

}

	

public void writeToParcel(Parcel out, int flags) {

 out.writeInt(value);

}

	

public static final Parcelable.Creator CREATOR = new Parcelable.Creator() {

 public Data createFromParcel(Parcel in) {

   return new Data(in);

 }



 public Data[] newArray(int size) {

   return new Data[size];

 }

};

}





Intent intent = new Intent(ActivityA.this, Activity.class);

intent.putExtra("data", data);

startActivityForResult(intent, 0);





Intent i = getIntent();

Data data = (Data) i.getParcelableExtra("data");

20 June 2011
How to choose Email writer and fill in ?

Intent i = new Intent(Intent.ACTION_SEND);

i.setType("text/plain");

i.putExtra(Intent.EXTRA_EMAIL, "youremail@domain.com");

i.putExtra(Intent.EXTRA_SUBJECT, "subject");

i.putExtra(Intent.EXTRA_TEXT, "message");

startActivity(Intent.createChooser(i, "Select email application."));

30 Sep 2010
How to open a System Screen ?

startActivityForResult(new Intent(Settings.ACTION_SOUND_SETTINGS), 0);

16 Aug 2010
How to open an URL in a native browser ?

Intent intent = new Intent(Intent.ACTION_VIEW);

intent.setData(Uri.parse("http://www.google.com/"));

startActivity(intent);

How to make a call ?

String url = "tel:1234567";

startActivity(new Intent(Intent.ACTION_CALL, Uri.parse(url)));

How to go to Dial keyword to make a call ?

String url = "tel:1234567";

Intent callIntent = new Intent(Intent.ACTION_DIAL, Uri.parse(url));

startActivity(callIntent);