Sherlock アクション バーと同じスワイプ (左右) 機能を提供したいのですが、TabActivity でどのように実現できますか。onfling() を実装しましたが、達成できませんでした。コードは次のとおりです。
package com.restaurantapp.pkg;
import java.util.ArrayList;
import java.util.List;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.graphics.Color;
import android.os.Bundle;
import android.util.Log;
import android.view.GestureDetector;
import android.view.GestureDetector.SimpleOnGestureListener;
import android.view.MotionEvent;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ViewFlipper;
public class ListViewImagesActivity extends Activity {
private Cursor food_items;
public String item_name;
private String item_descrp;
private String item_price;
public Object o;
private ArrayList<ItemDetails> image_details;
private String categoryid;
public int pos;
private String item_id;
private SQLiteDatabase db;
private String category_name_id;
public Dialog dialog;
public ViewFlipper viewFlipper;
public Animation slideLeftIn;
public Animation slideLeftOut;
public Animation slideRightIn;
public Animation slideRightOut;
public static final int SWIPE_MIN_DISTANCE = 120;
public static final int SWIPE_MAX_OFF_PATH = 250;
public static final int SWIPE_THRESHOLD_VELOCITY = 200;
public GestureDetector gestureDetector;
View.OnTouchListener gestureListener;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow().setFlags(
WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED,
WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED);
setContentView(R.layout.foodlist_menu);
Bundle extra = getIntent().getExtras();
categoryid = extra.getString("categoryId");
category_name_id = extra.getString("main_categoryId");
Log.d("category name intent", category_name_id);
// ----------Animation Files
viewFlipper = (ViewFlipper) findViewById(R.id.flipper);
slideLeftIn = AnimationUtils.loadAnimation(this, R.anim.slide_left_in);
slideLeftOut = AnimationUtils
.loadAnimation(this, R.anim.slide_left_out);
slideRightIn = AnimationUtils
.loadAnimation(this, R.anim.slide_right_in);
slideRightOut = AnimationUtils.loadAnimation(this,
R.anim.slide_right_out);
gestureDetector = new GestureDetector(new MyGestureDetector());
gestureListener = new View.OnTouchListener() {
public boolean onTouch(View v, MotionEvent event) {
if (gestureDetector.onTouchEvent(event)) {
return true;
}
return false;
}
};
getFoodItems();
image_details = GetSearchResults();
// View on which gesture should function This is image view at bottom of
// listView on which flip gesture is performed.
final ListView lv1 = (ListView) findViewById(R.id.listV_main);
lv1.setOnTouchListener(gestureListener);
lv1.setAdapter(new ItemListBaseAdapter(this, image_details));
public class MyGestureDetector extends SimpleOnGestureListener {
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,
float velocityY) {
try {
if (Math.abs(e1.getY() - e2.getY()) > SWIPE_MAX_OFF_PATH)
return false;
// right to left swipe
if (e1.getX() - e2.getX() > SWIPE_MIN_DISTANCE
&& Math.abs(velocityX) > SWIPE_THRESHOLD_VELOCITY) {
viewFlipper.setInAnimation(slideLeftIn);
viewFlipper.setOutAnimation(slideLeftOut);
viewFlipper.showNext();
Toast.makeText(ListViewImagesActivity.this, "Left Swipe",
Toast.LENGTH_SHORT).show();
} else if (e2.getX() - e1.getX() > SWIPE_MIN_DISTANCE
&& Math.abs(velocityX) > SWIPE_THRESHOLD_VELOCITY) {
viewFlipper.setInAnimation(slideRightIn);
viewFlipper.setOutAnimation(slideRightOut);
viewFlipper.showPrevious();
Toast.makeText(ListViewImagesActivity.this, "Right Swipe",
Toast.LENGTH_SHORT).show();
}
} catch (Exception e) {
// nothing
}
return false;
}
}
@Override
public boolean onTouchEvent(MotionEvent event) {
if (gestureDetector.onTouchEvent(event))
return true;
else
return false;
}
}