Button.java revision 9066cfe9886ac131c34d59ed0e2d287b0e3c0087
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2006 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.widget; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.AttributeSet; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Log; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.MotionEvent; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.KeyEvent; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.RemoteViews.RemoteView; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <code>Button</code> represents a push-button widget. Push-buttons can be 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * pressed, or clicked, by the user to perform an action. A typical use of a 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * push-button in an activity would be the following: 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </p> 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <pre class="prettyprint"> 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * public class MyActivity extends Activity { 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * protected void onCreate(Bundle icicle) { 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * super.onCreate(icicle); 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setContentView(R.layout.content_layout_id); 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * final Button button = (Button) findViewById(R.id.button_id); 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * button.setOnClickListener(new View.OnClickListener() { 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * public void onClick(View v) { 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * // Perform action on click 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * } 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * }); 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * } 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * } 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </pre> 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p><strong>XML attributes</strong></p> 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See {@link android.R.styleable#Button Button Attributes}, 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.R.styleable#TextView TextView Attributes}, 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.R.styleable#View View Attributes} 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </p> 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project@RemoteView 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class Button extends TextView { 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Button(Context context) { 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(context, null); 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Button(Context context, AttributeSet attrs) { 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(context, attrs, com.android.internal.R.attr.buttonStyle); 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Button(Context context, AttributeSet attrs, int defStyle) { 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context, attrs, defStyle); 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 72