Demo ability to enable default layout animations from XML

Change-Id: I4a5c73391d277c248958cf8cb5260078006bafb1
2010-09-03 15:43:47 -07:00
parent 43828a8383
commit 0a495ab0d3
3 changed files with 146 additions and 0 deletions
--- a/samples/ApiDemos/src/com/example/android/apis/animation/LayoutAnimationsByDefault.java
+++ b/samples/ApiDemos/src/com/example/android/apis/animation/LayoutAnimationsByDefault.java
@@ -0,0 +1,81 @@
+/*
+ * 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.animation.Animatable;
+import android.animation.AnimatableListenerAdapter;
+import android.animation.Keyframe;
+import android.animation.LayoutTransition;
+import android.animation.PropertyAnimator;
+import android.animation.PropertyValuesHolder;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.CheckBox;
+import android.widget.CompoundButton;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.widget.Button;
+
+/**
+ * This application demonstrates the seeking capability of Animator. The SeekBar in the
+ * UI allows you to set the position of the animation. Pressing the Run button will play from
+ * the current position of the animation.
+ */
+public class LayoutAnimationsByDefault 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.layout_animations_by_default);
+
+        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(getApplicationContext());
+                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(getApplicationContext());
+                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()));
+            }
+        });
+    }
+
+}