Android How to - Bind Activity on Click








Question

We would like to know how to bind Activity on Click.

Answer

We use the Intent with click event as shown in the following code.

It sets up a click listener to activate the Intent.

//from  w  w w  .  j  av  a  2 s. co  m
/* Copyright (c) 2011 Ivan Ivanenko <ivan.ivanenko@gmail.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE. */
//package com.foobnix.util;

import android.app.Activity;
import android.content.Intent;
import android.view.View;

public class Main {
  
  public static void bindOnClick(final Activity context, int viewId, final Class<?> clazz) {
    bindOnClick(context, viewId, clazz, -1);
  }

  public static void bindOnClick(final Activity context, int viewId, final Class<?> clazz, final int flags) {
    View view = (View) context.findViewById(viewId);

    view.setOnClickListener(new View.OnClickListener() {

      @Override
      public void onClick(View v) {
        Intent intent = new Intent(context, clazz);
        if (flags > 0) {
          intent.setFlags(flags);
        }
        context.startActivity(intent);

      }
    });

  }
}