?? textswitcher1.java
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/* * Copyright (C) 2007 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.view;import com.example.android.apis.R;import android.app.Activity;import android.os.Bundle;import android.view.Gravity;import android.view.View;import android.view.animation.Animation;import android.view.animation.AnimationUtils;import android.widget.Button;import android.widget.TextSwitcher;import android.widget.TextView;import android.widget.ViewSwitcher;/** * Uses a TextSwitcher. */public class TextSwitcher1 extends Activity implements ViewSwitcher.ViewFactory, View.OnClickListener { private TextSwitcher mSwitcher; private int mCounter = 0; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.text_switcher_1); mSwitcher = (TextSwitcher) findViewById(R.id.switcher); mSwitcher.setFactory(this); Animation in = AnimationUtils.loadAnimation(this, android.R.anim.fade_in); Animation out = AnimationUtils.loadAnimation(this, android.R.anim.fade_out); mSwitcher.setInAnimation(in); mSwitcher.setOutAnimation(out); Button nextButton = (Button) findViewById(R.id.next); nextButton.setOnClickListener(this); updateCounter(); } public void onClick(View v) { mCounter++; updateCounter(); } private void updateCounter() { mSwitcher.setText(String.valueOf(mCounter)); } public View makeView() { TextView t = new TextView(this); t.setGravity(Gravity.TOP | Gravity.CENTER_HORIZONTAL); t.setTextSize(36); return t; }}
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