| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.example.android.apis.animation; |
| |
| // Need the following import to get access to the app resources, since this |
| // class is in a sub-package. |
| import com.example.android.apis.R; |
| |
| import android.view.View; |
| |
| import android.app.Activity; |
| import android.os.Bundle; |
| import android.widget.Button; |
| import android.widget.GridLayout; |
| |
| /** |
| * This application demonstrates how to use the animateLayoutChanges tag in XML to automate |
| * transition animations as items are removed from or added to a container. |
| */ |
| public class LayoutAnimationsByDefault extends Activity { |
| |
| private int numButtons = 1; |
| |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| |
| super.onCreate(savedInstanceState); |
| setContentView(R.layout.layout_animations_by_default); |
| |
| final GridLayout gridContainer = (GridLayout) findViewById(R.id.gridContainer); |
| |
| Button addButton = (Button) findViewById(R.id.addNewButton); |
| addButton.setOnClickListener(new View.OnClickListener() { |
| public void onClick(View v) { |
| Button newButton = new Button(LayoutAnimationsByDefault.this); |
| newButton.setText(String.valueOf(numButtons++)); |
| newButton.setOnClickListener(new View.OnClickListener() { |
| public void onClick(View v) { |
| gridContainer.removeView(v); |
| } |
| }); |
| gridContainer.addView(newButton, Math.min(1, gridContainer.getChildCount())); |
| } |
| }); |
| } |
| |
| } |