滚动播放文字或者图片信息效果

​​源码地址​​   

package com.example.shifteffect;

import com.app.plugs.effect.EffectUtil;
import com.app.plugs.effect.view.EffectView;
import com.example.scrolleffect.R;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.LinearLayout;
import android.widget.Spinner;
import android.widget.AdapterView.OnItemSelectedListener;

public class MainActivity extends Activity implements OnItemSelectedListener {

  // 展示渐变动效的容器，用于容纳渐变效果库的View控件
  private LinearLayout container;
  
  // 渐变效果库的View控件类
  private EffectView mView;
  
  // 文字资源（用于展示渐变切换）
  private String[] mTexts = { "今日新闻1", "今日新闻2", "今日新闻3" };
  
  // 图片资源（用于展示渐变切换）
  private int[] mImages = { R.drawable.image_1, R.drawable.image_2, R.drawable.image_3 };

  // 内容选项
  private Spinner sp1;
  private ArrayAdapter<String> aa1;
  private String[] menu1 = { "内容:文字", "内容:图片" };

  // 渐变时间选项
  private Spinner sp2;
  private ArrayAdapter<String> aa2;
  private String[] menu2 = { "动时:300ms", "动时:1000ms", "动时:3000ms" };

  // 渐变间隔选项
  private Spinner sp3;
  private ArrayAdapter<String> aa3;
  private String[] menu3 = { "停时:3000ms", "停时:5000ms", "停时:10000ms" };

  // 渐变效果选项
  private Spinner sp4;
  private ArrayAdapter<String> aa4;
  private String[] menu4 = { "动效:向上", "动效:向下", "动效:向左", "动效:向右", "动效:旋转",
      "动效:大小", "动效:渐变" };

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    // 初始化展示动效的容器
    container = (LinearLayout) this.findViewById(R.id.container);

    // 初始化各个选项的内容
    sp1 = (Spinner) findViewById(R.id.spinner1);
    aa1 = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, menu1);
    aa1.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
    sp1.setAdapter(aa1);
    sp1.setOnItemSelectedListener(this);

    sp2 = (Spinner) findViewById(R.id.spinner2);
    aa2 = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, menu2);
    aa2.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
    sp2.setAdapter(aa2);
    sp2.setOnItemSelectedListener(this);

    sp3 = (Spinner) findViewById(R.id.spinner3);
    aa3 = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, menu3);
    aa3.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
    sp3.setAdapter(aa3);
    sp3.setOnItemSelectedListener(this);

    sp4 = (Spinner) findViewById(R.id.spinner4);
    aa4 = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, menu4);
    aa4.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
    sp4.setAdapter(aa4);
    sp4.setOnItemSelectedListener(this);
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.activity_main, menu);
    return true;
  }

  @Override
  public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
    // 内容选项逻辑（可选择滚动文字或者图片）
    if (parent.getAdapter() == aa1) {
      container.removeAllViews();
      switch (position) {
        case 0:
          // 初始化文字切换View对象
          mView = EffectUtil.fillTexts(this, EffectView.ANI_UP, 30, mTexts);
          container.addView(mView);
          mView.start();
          break;
        default:
          mView = EffectUtil.fillImages(this, EffectView.ANI_UP, mImages);
          container.addView(mView);
          mView.start();
          break;
      }
    }
    // 渐变时间选项逻辑
    if (parent.getAdapter() == aa2) {
      switch (position) {
        case 0:
          mView.setDuration(300);
          break;
        case 1:
          mView.setDuration(1000);
          break;
        default:
          mView.setDuration(3000);
          break;
      }
    }
    // 渐变间隔选项逻辑
    if (parent.getAdapter() == aa3) {
      switch (position) {
        case 0:
          mView.setInterval(3000);
          break;
        case 1:
          mView.setInterval(5000);
          break;
        default:
          mView.setInterval(10000);
          break;
      }
    }
    // 渐变效果选项
    if (parent.getAdapter() == aa4) {
      switch (position) {
        case 0:
          mView.setAnimation(EffectView.ANI_UP); // 往上滚动
          break;
        case 1:
          mView.setAnimation(EffectView.ANI_DOWN); // 往下滚动
          break;
        case 2:
          mView.setAnimation(EffectView.ANI_LEFT); // 往左滚动
          break;
        case 3:
          mView.setAnimation(EffectView.ANI_RIGHT); // 往右滚动
          break;
        case 4:
          mView.setAnimation(EffectView.ANI_ROTATE); // 旋转渐变
          break;
        case 5:
          mView.setAnimation(EffectView.ANI_SCALE); // 大小渐变
          break;
        default:
          mView.setAnimation(EffectView.ANI_FADE); // 消失渐变
          break;
      }
    }
  }

  @Override
  public void onNothingSelected(AdapterView<?> parent) {
    // TODO Auto-generated method stub

  }
}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:orientatinotallow="vertical" android:padding="10dip"
  android:layout_width="fill_parent" 
  android:layout_height="fill_parent">

  <Spinner android:id="@+id/spinner1" 
    android:layout_width="fill_parent"
    android:layout_height="wrap_content" />
  
  <Spinner android:id="@+id/spinner2" 
    android:layout_width="fill_parent"
    android:layout_height="wrap_content" />
  
  <Spinner android:id="@+id/spinner3" 
    android:layout_width="fill_parent"
    android:layout_height="wrap_content" />
  
  <Spinner android:id="@+id/spinner4" 
    android:layout_width="fill_parent"
    android:layout_height="wrap_content" />

  <LinearLayout android:id="@+id/container"
    android:layout_width="fill_parent" 
    android:layout_height="fill_parent"
    android:layout_weight="1" 
    android:gravity="center" />

</LinearLayout>