1 /* 2 * Copyright (C) 2009 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.example.android.apis.app; 18 19 // Need the following import to get access to the app resources, since this 20 // class is in a sub-package. 21 import com.example.android.apis.R; 22 import com.example.android.apis.view.Controls1; 23 24 import android.app.Activity; 25 import android.content.ComponentName; 26 import android.content.Intent; 27 import android.os.Bundle; 28 import android.view.View; 29 import android.view.View.OnClickListener; 30 import android.widget.Button; 31 32 33 /** 34 * <p>Example of explicitly starting and stopping the {@link LocalService}. 35 * This demonstrates the implementation of a service that runs in the same 36 * process as the rest of the application, which is explicitly started and stopped 37 * as desired.</p> 38 */ 39 public class Animation extends Activity { 40 @Override 41 protected void onCreate(Bundle savedInstanceState) { 42 super.onCreate(savedInstanceState); 43 44 setContentView(R.layout.activity_animation); 45 46 // Watch for button clicks. 47 Button button = (Button)findViewById(R.id.fade_animation); 48 button.setOnClickListener(mFadeListener); 49 button = (Button)findViewById(R.id.zoom_animation); 50 button.setOnClickListener(mZoomListener); 51 } 52 53 private OnClickListener mFadeListener = new OnClickListener() { 54 public void onClick(View v) { 55 // Request the next activity transition (here starting a new one). 56 startActivity(new Intent(Animation.this, Controls1.class)); 57 // Supply a custom animation. This one will just fade the new 58 // activity on top. Note that we need to also supply an animation 59 // (here just doing nothing for the same amount of time) for the 60 // old activity to prevent it from going away too soon. 61 overridePendingTransition(R.anim.fade, R.anim.hold); 62 } 63 }; 64 65 private OnClickListener mZoomListener = new OnClickListener() { 66 public void onClick(View v) { 67 // Request the next activity transition (here starting a new one). 68 startActivity(new Intent(Animation.this, Controls1.class)); 69 // This is a more complicated animation, involving transformations 70 // on both this (exit) and the new (enter) activity. Note how for 71 // the duration of the animation we force the exiting activity 72 // to be Z-ordered on top (even though it really isn't) to achieve 73 // the effect we want. 74 overridePendingTransition(R.anim.zoom_enter, R.anim.zoom_exit); 75 } 76 }; 77 } 78 79
