/* * Copyright (C) 2009 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.app; // 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.app.Activity; import android.app.ActivityOptions; import android.content.Intent; import android.graphics.Bitmap; import android.graphics.Canvas; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; /** * <p>Example of using a custom animation when transitioning between activities.</p> */ public class Animation extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_animation); // Watch for button clicks. Button button = (Button)findViewById(R.id.fade_animation); button.setOnClickListener(mFadeListener); button = (Button)findViewById(R.id.zoom_animation); button.setOnClickListener(mZoomListener); if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN) { button = (Button)findViewById(R.id.modern_fade_animation); button.setOnClickListener(mModernFadeListener); button = (Button)findViewById(R.id.modern_zoom_animation); button.setOnClickListener(mModernZoomListener); button = (Button)findViewById(R.id.scale_up_animation); button.setOnClickListener(mScaleUpListener); button = (Button)findViewById(R.id.zoom_thumbnail_animation); button.setOnClickListener(mZoomThumbnailListener); } else { findViewById(R.id.modern_fade_animation).setEnabled(false); findViewById(R.id.modern_zoom_animation).setEnabled(false); findViewById(R.id.scale_up_animation).setEnabled(false); findViewById(R.id.zoom_thumbnail_animation).setEnabled(false); } } private OnClickListener mFadeListener = new OnClickListener() { public void onClick(View v) { // Request the next activity transition (here starting a new one). startActivity(new Intent(Animation.this, AlertDialogSamples.class)); // Supply a custom animation. This one will just fade the new // activity on top. Note that we need to also supply an animation // (here just doing nothing for the same amount of time) for the // old activity to prevent it from going away too soon. overridePendingTransition(R.anim.fade, R.anim.hold); } }; private OnClickListener mZoomListener = new OnClickListener() { public void onClick(View v) { // Request the next activity transition (here starting a new one). startActivity(new Intent(Animation.this, AlertDialogSamples.class)); // This is a more complicated animation, involving transformations // on both this (exit) and the new (enter) activity. Note how for // the duration of the animation we force the exiting activity // to be Z-ordered on top (even though it really isn't) to achieve // the effect we want. overridePendingTransition(R.anim.zoom_enter, R.anim.zoom_exit); } }; private OnClickListener mModernFadeListener = new OnClickListener() { public void onClick(View v) { // Create the desired custom animation, involving transformations // on both this (exit) and the new (enter) activity. Note how for // the duration of the animation we force the exiting activity // to be Z-ordered on top (even though it really isn't) to achieve // the effect we want. ActivityOptions opts = ActivityOptions.makeCustomAnimation(Animation.this, R.anim.fade, R.anim.hold); // Request the activity be started, using the custom animation options. startActivity(new Intent(Animation.this, AlertDialogSamples.class), opts.toBundle()); } }; private OnClickListener mModernZoomListener = new OnClickListener() { public void onClick(View v) { // Create a more complicated animation, involving transformations // on both this (exit) and the new (enter) activity. Note how for // the duration of the animation we force the exiting activity // to be Z-ordered on top (even though it really isn't) to achieve // the effect we want. ActivityOptions opts = ActivityOptions.makeCustomAnimation(Animation.this, R.anim.zoom_enter, R.anim.zoom_enter); // Request the activity be started, using the custom animation options. startActivity(new Intent(Animation.this, AlertDialogSamples.class), opts.toBundle()); } }; private OnClickListener mScaleUpListener = new OnClickListener() { public void onClick(View v) { // Create a scale-up animation that originates at the button // being pressed. ActivityOptions opts = ActivityOptions.makeScaleUpAnimation( v, 0, 0, v.getWidth(), v.getHeight()); // Request the activity be started, using the custom animation options. startActivity(new Intent(Animation.this, AlertDialogSamples.class), opts.toBundle()); } }; private OnClickListener mZoomThumbnailListener = new OnClickListener() { public void onClick(View v) { // Create a thumbnail animation. We are going to build our thumbnail // just from the view that was pressed. We make sure the view is // not selected, because by the time the animation starts we will // have finished with the selection of the tap. v.setDrawingCacheEnabled(true); v.setPressed(false); v.refreshDrawableState(); Bitmap bm = v.getDrawingCache(); Canvas c = new Canvas(bm); //c.drawARGB(255, 255, 0, 0); ActivityOptions opts = ActivityOptions.makeThumbnailScaleUpAnimation( v, bm, 0, 0); // Request the activity be started, using the custom animation options. startActivity(new Intent(Animation.this, AlertDialogSamples.class), opts.toBundle()); v.setDrawingCacheEnabled(false); } }; }