/*
* 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 app.test;
import android.view.View;
import android.view.ViewGroup;
import android.app.Activity;
import android.os.Bundle;
import android.widget.Button;
/**
* 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 Test extends Activity {
private int numButtons = 1;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
final ViewGroup horizontalContainer = (ViewGroup) findViewById(R.id.horizontalContainer);
final ViewGroup verticalContainer = (ViewGroup) findViewById(R.id.verticalContainer);
Button addButton = (Button) findViewById(R.id.addNewButton);
addButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
Button newButton = new Button(Test.this);
newButton.setText("Click To Remove " + (numButtons++));
newButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
horizontalContainer.removeView(v);
}
});
horizontalContainer.addView(newButton, Math.min(1, horizontalContainer.getChildCount()));
newButton = new Button(Test.this);
newButton.setText("Click To Remove " + (numButtons++));
newButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
verticalContainer.removeView(v);
}
});
verticalContainer.addView(newButton, Math.min(1, verticalContainer.getChildCount()));
}
});
}
}
//main.xml
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
>
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Add Button"
android:id="@+id/addNewButton"
/>
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/horizontalContainer"
android:animateLayoutChanges="true"
/>
android:orientation="vertical"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:id="@+id/verticalContainer"
android:animateLayoutChanges="true"
/>