Android Open Source - introToDroid4ed Buttons Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

package com.introtoandroid.viewsamples;
//  w  ww  .  j  a  v a  2  s . c  om

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.ImageButton;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.Switch;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.ToggleButton;

public class ButtonsActivity extends Activity {

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    // TODO Auto-generated method stub
    super.onCreate(savedInstanceState);
    
    setContentView(R.layout.buttons);
    
    final Button basic_button = (Button) findViewById(R.id.basic_button);
    basic_button.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
            Toast.makeText(ButtonsActivity.this, "Button clicked", Toast.LENGTH_SHORT).show();
            }
        });

    final ImageButton image_button = (ImageButton) findViewById(R.id.image_button);
    image_button.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
            Toast.makeText(ButtonsActivity.this, "Image button clicked", Toast.LENGTH_SHORT).show();
            }
        });
    
    
    final ToggleButton toggle_button = (ToggleButton) findViewById(R.id.toggle_button);
    toggle_button.setOnClickListener(new View.OnClickListener() {
      public void onClick(View v) {
        TextView tb = (TextView) findViewById(R.id.text_feature);
        tb.setText(toggle_button.isChecked() ? "This feature is on" : "This feature is off");
      }
    });
    
    final Switch basic_switch = (Switch) findViewById(R.id.switch1);
    basic_switch.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {      
              String strState = basic_switch.isChecked() ? "The switch is on" : "The switch is off";
            Toast.makeText(ButtonsActivity.this, strState, Toast.LENGTH_SHORT).show();
            }
        });
    
    final Button submit_button = (Button) findViewById(R.id.submit_demo);
    submit_button.setOnClickListener(new View.OnClickListener() {
      public void onClick(View v ){
        ToggleButton tb = (ToggleButton) findViewById(R.id.toggle_button);
        Toast.makeText(ButtonsActivity.this, tb.isChecked() ? "on": "off", Toast.LENGTH_LONG).show();
        ButtonsActivity.this.finish();
      }
    });
    
    final CheckBox check_button = (CheckBox) findViewById(R.id.checkbox);
    check_button.setOnClickListener(new View.OnClickListener() {
      public void onClick (View v) {
        CheckBox cb = (CheckBox)findViewById(R.id.checkbox);
        cb.setText(check_button.isChecked() ? "This option is checked": "This option is not checked");
      }
    });
    
    final RadioGroup group = (RadioGroup)findViewById(R.id.RadioGroup01);
    group.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
      public void onCheckedChanged(RadioGroup group, int checkedId) {
        TextView tv = (TextView) findViewById(R.id.TextView01);
        if (checkedId != -1) {
          RadioButton rb = (RadioButton) findViewById(checkedId);
          if (rb != null) {
            tv.setText("You chose: " + rb.getText());
          }
        } else {
          tv.setText("Choose 1");
        }
      }
    });
    
    final Button clear_choice = (Button) findViewById(R.id.Button01);
    clear_choice.setOnClickListener(new View.OnClickListener() {
      public void onClick(View v) {
        RadioGroup group = (RadioGroup) findViewById(R.id.RadioGroup01);
        if (group != null) {
          group.clearCheck();
        }
      }
    });
  }
}

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