Fazer ligação, navegar em site, adicionar contato na agenda e compartilhar contato

Intents Implícitas

//---------------------------------- Fazer ligação
Button btnnum;
btnnum = ((Button) this.findViewById(R.id.btnnumdetalhe));
btnnum.setText(telefone.getDetalheuteis());
btnnum.setOnClickListener(new OnClickListener() {
        public void onClick(View v) {
                Intent chamada = new Intent(Intent.ACTION_CALL);
                chamada.setData(Uri.parse("tel:" + telefone.getDetalheuteis()));
                startActivity(chamada);
                }
        });


//---------------------------------- Navegar para Site
Button btnsite;
btnsite = ((Button) this.findViewById(R.id.btnsitedetalhe));
btnsite.setText(telefone.getSiteuteis().replace("http://",""));
btnsite.setOnClickListener(new OnClickListener() {
        public void onClick(View v) {
                String url = telefone.getSiteuteis();
                Uri uriUrl = Uri.parse(url);
                Intent launchBrowser = new Intent(Intent.ACTION_VIEW, uriUrl);
                startActivity(launchBrowser);
                }
	});


//---------------------------------- Adicionar Contato na Agenda
Button btnaddocontato;
btnaddocontato = ((Button) this.findViewById(R.id.btn_addcontato));
btnaddocontato.setOnClickListener(new OnClickListener() {
        public void onClick(View v) {
                ArrayList<ContentProviderOperation> ops = new ArrayList<ContentProviderOperation>();
                ops.add(ContentProviderOperation.newInsert(ContactsContract.RawContacts.CONTENT_URI)
                .withValue(ContactsContract.RawContacts.ACCOUNT_TYPE, null)
                .withValue(ContactsContract.RawContacts.ACCOUNT_NAME, null)
		.build());

	//------------------------------------------------------ Nome
	        if(telefone.getTitleuteis() != null){           
			ops.add(ContentProviderOperation.newInsert(ContactsContract.Data.CONTENT_URI)
			.withValueBackReference(ContactsContract.Data.RAW_CONTACT_ID,0)
			.withValue(ContactsContract.Data.MIMETYPE,
			        ContactsContract.CommonDataKinds.StructuredName.CONTENT_ITEM_TYPE)
			.withValue(ContactsContract.CommonDataKinds.StructuredName.DISPLAY_NAME,
			        telefone.getTitleuteis()).build());
		} 

	//------------------------------------------------------ Número de Telefone                      
		if(telefone.getDetalheuteis() != null){
			ops.add(ContentProviderOperation.newInsert(ContactsContract.Data.CONTENT_URI)
			.withValueBackReference(ContactsContract.Data.RAW_CONTACT_ID, 0)
			.withValue(ContactsContract.Data.MIMETYPE,
			        ContactsContract.CommonDataKinds.Phone.CONTENT_ITEM_TYPE)
			.withValue(ContactsContract.CommonDataKinds.Phone.NUMBER,
			        telefone.getDetalheuteis())
			.withValue(ContactsContract.CommonDataKinds.Phone.TYPE,
			        ContactsContract.CommonDataKinds.Phone.TYPE_MOBILE).build());
		}
		
	// Pede para o Contact Provider criar um novo contato                  
	        try{
	                getContentResolver().applyBatch(ContactsContract.AUTHORITY, ops);
	                AlertDialog.Builder builder = new AlertDialog.Builder(DetalheTelefone.this);
			builder.setMessage("Contato adicionado!")
			.setCancelable(false)
			.setPositiveButton("OK", new DialogInterface.OnClickListener(){
			        public void onClick(DialogInterface dialog, int id) {
			                finish();
			        }
			});
			builder.show();
		}catch (Exception e){               
					e.printStackTrace();

				}

			}

		});

//---------------------------------- Compartilhar Contato
Button btnsharecontato;
btnsharecontato = ((Button) this.findViewById(R.id.btn_sharecontato));
btnsharecontato.setOnClickListener(new OnClickListener() {
	public void onClick(View v) {
	        Intent sharingIntent = new Intent(android.content.Intent.ACTION_SEND);
	        sharingIntent.setType("text/plain");
	        String shareBody = telefone.getTitleuteis() +"\n" + telefone.getDetalheuteis() +"\n" + telefone.getSiteuteis();
	        sharingIntent.putExtra(android.content.Intent.EXTRA_TEXT, shareBody);
	        startActivity(Intent.createChooser(sharingIntent, "Compartilhar com:"));
		}
	});