MyViewFlipper.java :  » Weather » yhj » com » holim » test » Android Open Source

package com.holim.test;

import android.app.Activity;
import android.graphics.Color;
import android.os.Bundle;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.view.animation.AnimationUtils;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.TextView;
import android.widget.ViewFlipper;

// View.OnTouchListener 
// CompoundButton.OnCheckedChangeListener   
public class MyViewFlipper extends Activity
            implements View.OnTouchListener,
            CompoundButton.OnCheckedChangeListener {
  CheckBox checkBox; 
    ViewFlipper flipper;
    
    //     x 
    float xAtDown;
    float xAtUp;
    
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        checkBox = (CheckBox)findViewById(R.id.chkAuto);
        checkBox.setOnCheckedChangeListener(this);
        
        flipper = (ViewFlipper)findViewById(R.id.viewFlipper);
        flipper.setOnTouchListener(this);
        
        // ViewFlipper  child view 
        TextView tv = new TextView(this);
        tv.setText("View 4\nDynamically added");
        tv.setTextColor(Color.CYAN);
        flipper.addView(tv);       
    }

    // View.OnTouchListener abstract method
    // flipper   
  @Override
  public boolean onTouch(View v, MotionEvent event) {
    //     ViewFlipper  return
    if(v != flipper) return false;    
    
    if(event.getAction() == MotionEvent.ACTION_DOWN) {
      xAtDown = event.getX(); //   x       
    }
    else if(event.getAction() == MotionEvent.ACTION_UP){
      xAtUp = event.getX();   //   x 
      
      if( xAtUp < xAtDown ) {
        //    
        flipper.setInAnimation(AnimationUtils.loadAnimation(this,
                R.anim.push_left_in));
            flipper.setOutAnimation(AnimationUtils.loadAnimation(this,
                R.anim.push_left_out));
                
            //  view 
        flipper.showNext();
      }
      else if (xAtUp > xAtDown){
        //    
        flipper.setInAnimation(AnimationUtils.loadAnimation(this,
                R.anim.push_right_in));
            flipper.setOutAnimation(AnimationUtils.loadAnimation(this,
                R.anim.push_right_out));
            //  view 
        flipper.showPrevious();      
      }
    }    
    return true;
  }

  // CompoundButton.OnCheckedChangeListener abstract method
  //    
  @Override
  public void onCheckedChanged(CompoundButton view, boolean isChecked) {
    
    Log.w("checked", Boolean.toString(isChecked));
    
    if(isChecked == true) {
      //   
      flipper.setInAnimation(AnimationUtils.loadAnimation(this,
              R.anim.push_left_in));
          flipper.setOutAnimation(AnimationUtils.loadAnimation(this,
              R.anim.push_left_out));
      
          //  Flipping  ( 3)
      flipper.setFlipInterval(3000);
      flipper.startFlipping();
    }
    else 
    {
      //  Flipping 
      flipper.stopFlipping();
    }    
  }
}