Multiple OnClickListener android

You can do the onClick() method one time.

Download code.

First step

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implements OnClickListener

Then you have a error
add unimplemented method

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@Override
   public void onClick(View v) {
       // TODO Auto-generated method stub
       }

This is full code:

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package com.thedeveloperworldisyours.multipleonclicklistener;
 
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;
 
public class MainActivity extends ActionBarActivity implements OnClickListener {
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Button first = (Button) findViewById(R.id.activity_main_button_first);
        Button second = (Button) findViewById(R.id.activity_main_button_second);
        Button third = (Button) findViewById(R.id.activity_main_button_third);
        first.setOnClickListener(this);
        second.setOnClickListener(this);
        third.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 boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();
        if (id == R.id.action_settings) {
            return true;
        }
        return super.onOptionsItemSelected(item);
    }
 
    @Override
    public void onClick(View v) {
        switch (v.getId()) {
        case R.id.activity_main_button_first:
            Toast.makeText(MainActivity.this, R.string.activity_main_first,
                    Toast.LENGTH_SHORT).show();
            break;
        case R.id.activity_main_button_second:
            Toast.makeText(MainActivity.this, R.string.activity_main_second,
                    Toast.LENGTH_SHORT).show();
            break;
        case R.id.activity_main_button_third:
            Toast.makeText(MainActivity.this, R.string.activity_main_third,
                    Toast.LENGTH_SHORT).show();
            break;
        default:
            break;
        }
    }
}

Multiple onClickListener

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