1 /* 2 * Copyright (C) 2007 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.view; 18 19 import com.example.android.apis.R; 20 21 import android.app.Activity; 22 import android.os.Bundle; 23 import android.view.Gravity; 24 import android.view.View; 25 import android.view.animation.Animation; 26 import android.view.animation.AnimationUtils; 27 import android.widget.Button; 28 import android.widget.TextSwitcher; 29 import android.widget.TextView; 30 import android.widget.ViewSwitcher; 31 32 /** 33 * Uses a TextSwitcher. 34 */ 35 public class TextSwitcher1 extends Activity implements ViewSwitcher.ViewFactory, 36 View.OnClickListener { 37 38 private TextSwitcher mSwitcher; 39 40 private int mCounter = 0; 41 42 @Override onCreate(Bundle savedInstanceState)43 protected void onCreate(Bundle savedInstanceState) { 44 super.onCreate(savedInstanceState); 45 46 setContentView(R.layout.text_switcher_1); 47 48 mSwitcher = (TextSwitcher) findViewById(R.id.switcher); 49 mSwitcher.setFactory(this); 50 51 Animation in = AnimationUtils.loadAnimation(this, 52 android.R.anim.fade_in); 53 Animation out = AnimationUtils.loadAnimation(this, 54 android.R.anim.fade_out); 55 mSwitcher.setInAnimation(in); 56 mSwitcher.setOutAnimation(out); 57 58 Button nextButton = (Button) findViewById(R.id.next); 59 nextButton.setOnClickListener(this); 60 61 updateCounter(); 62 } 63 onClick(View v)64 public void onClick(View v) { 65 mCounter++; 66 updateCounter(); 67 } 68 updateCounter()69 private void updateCounter() { 70 mSwitcher.setText(String.valueOf(mCounter)); 71 } 72 makeView()73 public View makeView() { 74 TextView t = new TextView(this); 75 t.setGravity(Gravity.TOP | Gravity.CENTER_HORIZONTAL); 76 t.setTextSize(36); 77 return t; 78 } 79 } 80