/* * 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;    }}