open-Intent-pasing-string-android.java

        //PASS STRING TO ACTIVITY
        Intent intentToStartDetailActivity = new Intent(context, destinationClass);
        intentToStartDetailActivity.putExtra(Intent.EXTRA_TEXT,"Hellow World!");
        startActivity(intentToStartDetailActivity);

      //GET STRING IN ACTIVITY CHILD
        Intent intentThatStartedThisActivity = getIntent();
        if (intentThatStartedThisActivity.hasExtra(Intent.EXTRA_TEXT)) {
            String textEntered = intentThatStartedThisActivity.getStringExtra(Intent.EXTRA_TEXT);
            detailTV.setText(textEntered);
        }
        
        
        
        

OpenMap-Intent-android.java

    public void onClickOpenAddressButton(View v) {
        String addressString = "plaza mayor 1, Madrid";
        Uri.Builder builder = new Uri.Builder();
        builder.scheme("geo")
                .path("0,0")
                .query(addressString);
        Uri addressUri = builder.build();
        showMap(addressUri);
    }

    private void showMap(Uri geoLocation) {
        Intent intent = new Intent(Intent.ACTION_VIEW);
        intent.setData(geoLocation);
        if (intent.resolveActivity(getPackageManager()) != null) {
            startActivity(intent);
        }
    }

OpenWeb-Intent-android.java

    public void onClickOpenWebpageButton(View v) {
        String urlAsString = "https://sejas.es";
        openWebPage(urlAsString);
    }

    private void openWebPage(String url) {
        // Use Uri.parse to parse the String into a Uri
        Uri webpage = Uri.parse(url);

        // Create an Intent with Intent.ACTION_VIEW and the webpage Uri as parameters
        Intent intent = new Intent(Intent.ACTION_VIEW, webpage);

        // Verify that this Intent can be launched and then call startActivity
        if (intent.resolveActivity(getPackageManager()) != null) {
            startActivity(intent);
        }
    }