Uses a TextSwitcher. : TextSwitcher « UI « Android

1. Android
2. UI
3. TextSwitcher

Uses a TextSwitcher.

  
/*
 * 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;
    }
}


//layout/text_switcher_1.xml


<?xml version="1.0" encoding="utf-8"?>
<!-- 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.
-->

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <Button android:id="@+id/next"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" 
        android:text="@string/text_switcher_1_next_text" />

    <TextSwitcher android:id="@+id/switcher"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

</LinearLayout>

   
    
  

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