How can i use If method on Button getting ActionView link from realtime database, and if there's no link give toast message there's no link

Question

I'm using Firebase RealTime database, and using retrieving data, I'm asking about if I want to add If method on OnClick() for the button and get the ActionView link from real time database, and if there's no link in the database give a toast message that "There's no link available ATM"

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.res_screen);

    String data0= getIntent().getStringExtra("Name");
    String data1= getIntent().getStringExtra("Address");
    String data2= getIntent().getStringExtra("Phone1");
    String data3= getIntent().getStringExtra("Phone2");
    String data4= getIntent().getStringExtra("Phone3");
    String data5= getIntent().getStringExtra("Offer");
    final String data6= getIntent().getStringExtra("Facebook");
    final String data7= getIntent().getStringExtra("Menu");
    final String data8 = getIntent().getStringExtra("Menu");

    TextView nm = findViewById(R.id.name);
    TextView ad = findViewById(R.id.address);
    TextView ph1 = findViewById(R.id.phone1);
    TextView ph2 = findViewById(R.id.phone2);
    TextView ph3 = findViewById(R.id.phone3);
    TextView off = findViewById(R.id.closeoffer);
    ImageView fb = findViewById(R.id.facebookbut);
    Button menu = findViewById(R.id.menubut);

    nm.setText(data0);
    ad.setText(data1);
    ph1.setText(data2);
    ph2.setText(data3);
    ph3.setText(data4);
    off.setText(data5);
    fb.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(data6));
            startActivity(intent);
        }
    });
    menu.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Intent i = new Intent(Intent.ACTION_VIEW, Uri.parse(getIntent().getStringExtra("Menu")));
            startActivity(i);
        }
    });
}

Maybe am a little confuse because my bad language. I want to add if else into OnClick(). Mean.. if this button have link to visit ACTION_VIEW, then go. But if haven't link from realtime database, then give a Toast message "Sorry there's no link available at this moment"

score 0 · Accepted Answer · answered Apr 21 '19 at 04:59

Maybe you need to do this :

fb.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
         //data6 may be having link to fb ,here we check if it is not null 
           if(data6!=null )
            Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(data6));
            startActivity(intent);
        }else{
         //toast a message
          Toast.makeText(Yourclass.this, "Sorry there's no link available at this moment", Toast.LENGTH_SHORT).show();
         }
    });

great , please accept this answer ,, if it helped you :) – Swati Apr 21 '19 at 18:30 — Swati, Apr 21 '19 at 18:30

How can i use If method on Button getting ActionView link from realtime database, and if there's no link give toast message there's no link

1 Answers1