Hello Toast Project

Desain Main Activity

Coding untuk Main_Activity.java

package com.example.keyboard;

import android.os.Bundle;

import android.app.Activity;

import android.content.Context;

import android.view.Gravity;

import android.view.Menu;

import android.view.View;

import android.widget.Button;

import android.widget.Toast;

public class MainActivity extends Activity implements Button.OnClickListener {

      

       //deklarasi variabel

       Button btnSatu ;

       Button btnDua ;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

       

        //membuat kaitan antara variabel dgn ID dg sesuai pd desain

        btnSatu      = (Button) findViewById ( R.id.button1 );

        btnDua       = (Button) findViewById(R.id.button2);

       

        //Memberikan listener pada Button

        //1.tambahkan implements Button.OnClickListener

        //2.Add unimplements method, yaitu OnClick ()

        //3.tambahan setOnClickListener (this) pada setiap button

       

        btnSatu.setOnClickListener(this);

        btnDua.setOnClickListener(this);

    }

    @Override

    public boolean onCreateOptionsMenu(Menu menu) {

        // Inflate the menu; this adds items to the action bar if it is present.

        getMenuInflater().inflate(R.menu.main, menu);

        return true;

    }

       @Override

       public void onClick(View v) {

              switch ( v.getId())

              {

              case R.id.button1 : //menampilkan Toast, cara 1 :

                     Context konteks = getApplicationContext();

                     CharSequence kata = "Contoh Toast !";

                     int durasi = Toast.LENGTH_SHORT;

                     Toast objToast = Toast.makeText(konteks, kata, durasi);

                     objToast.show ();

                                               

                     //tambahan untuk posisi

                     objToast.setGravity(Gravity.TOP|Gravity.LEFT, 50, 50);

                                               

                     break ;

                                               

                     case R.id.button2 :  //menampilkan Toast, cara 2:

                     Toast.makeText(getApplicationContext(), "Hai Dunia",Toast.LENGTH_LONG).show();

                    

                     break ;

              } //end switch

             

       } //end method OnClick

} //end Class

SEMOGA BERMANFAAT

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