Android Open Source - Common-Library Swipe List View

From Project

Back to project page Common-Library.
License

The source code is released under:
Apache License
If you think the Android project Common-Library listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

package com.morgan.library.widget;
/*from w ww . j a v a2 s . co m*/
import android.content.Context;
import android.graphics.drawable.ColorDrawable;
import android.util.AttributeSet;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.Animation;
import android.view.animation.Animation.AnimationListener;
import android.view.animation.DecelerateInterpolator;
import android.view.animation.TranslateAnimation;
import android.widget.AbsListView;
import android.widget.AbsListView.OnScrollListener;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.AdapterView.OnItemLongClickListener;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.PopupWindow;
import android.widget.PopupWindow.OnDismissListener;
import android.widget.RelativeLayout;
import android.widget.TextView;

import com.morgan.library.R;

/**
 * ????????Item?????????????ListView?????????????????????????????????????????Item.
 * ?????ListView???match_parent????????????????????
 * ??ListView?match_parent???????????????????
 * 
 * @author Morgan.Ji
 * 
 */
public class SwipeListView extends RelativeLayout {

  private ListView mListView;
  private View mCurrentItemView;
  private Animation mOpenAnimation, mCloseAnimation;

  private Context mContext;
  private LinearLayout mProgressBar;

  private PopupWindow mUndoPopup;
  private TextView mUndoText;
  private Button mUndoButton;
  private float mDensity;

  public SwipeListView(Context context, AttributeSet attrs) {
    super(context, attrs);
    init(context);
  }

  public SwipeListView(Context context) {
    super(context);
    init(context);
  }

  private void init(Context c) {
    mContext = c;
    LayoutInflater.from(mContext).inflate(R.layout.swipe_listview, this,
        true);
    mListView = (ListView) findViewById(R.id.list);
    mListView.setOnScrollListener(mOnScrollListener);
    mListView.setOnTouchListener(mOnTouchListener);
    mProgressBar = (LinearLayout) findViewById(R.id.profress_layout);
    initPopupView();
    initAnimation();
  }

  private void initAnimation() {
    mOpenAnimation = new TranslateAnimation(Animation.RELATIVE_TO_SELF, 0,
        Animation.RELATIVE_TO_SELF, 1, Animation.RELATIVE_TO_SELF, 0,
        Animation.RELATIVE_TO_SELF, 0);
    mOpenAnimation.setInterpolator(new DecelerateInterpolator());
    mOpenAnimation.setDuration(300);
    mOpenAnimation.setAnimationListener(new AnimationListener() {

      @Override
      public void onAnimationStart(Animation animation) {
      }

      @Override
      public void onAnimationRepeat(Animation animation) {
      }

      @Override
      public void onAnimationEnd(Animation animation) {
        if (null != mCurrentItemView) {
          mCurrentItemView.findViewById(R.id.front).setVisibility(
              INVISIBLE);
        }
      }
    });
    mCloseAnimation = new TranslateAnimation(Animation.RELATIVE_TO_SELF, 1,
        Animation.RELATIVE_TO_SELF, 0, Animation.RELATIVE_TO_SELF, 0,
        Animation.RELATIVE_TO_SELF, 0);
    mCloseAnimation.setInterpolator(new DecelerateInterpolator());
    mCloseAnimation.setDuration(450);
  }

  private OnScrollListener mOnScrollListener = new OnScrollListener() {

    @Override
    public void onScrollStateChanged(AbsListView view, int scrollState) {
      closeAnimate();
    }

    @Override
    public void onScroll(AbsListView view, int firstVisibleItem,
        int visibleItemCount, int totalItemCount) {
    }
  };

  private float mStartX, mStartY;
  private OnTouchListener mOnTouchListener = new OnTouchListener() {

    @Override
    public boolean onTouch(View v, MotionEvent event) {
      switch (event.getAction()) {
      case MotionEvent.ACTION_DOWN:
        mStartX = event.getX();
        mStartY = event.getY();
        break;
      case MotionEvent.ACTION_MOVE:
        if (Math.abs(event.getX() - mStartX) > 18
            || Math.abs(event.getY() - mStartY) > 18) {
          closeAnimate();
        }
        break;
      default:
        break;
      }
      return false;
    }
  };

  private void initPopupView() {
    mDensity = mContext.getResources().getDisplayMetrics().density;
    View v = LayoutInflater.from(mContext).inflate(R.layout.undo_popup,
        null);
    mUndoButton = (Button) v.findViewById(R.id.undo);
    mUndoText = (TextView) v.findViewById(R.id.text);
    mUndoPopup = new PopupWindow(v);
    mUndoPopup.setAnimationStyle(R.style.fade_animation);
    // Get scren width in dp and set width respectively
    int xdensity = (int) (mContext.getResources().getDisplayMetrics().widthPixels / mDensity);
    if (xdensity < 300) {
      mUndoPopup.setWidth((int) (mDensity * 280));
    } else if (xdensity < 350) {
      mUndoPopup.setWidth((int) (mDensity * 300));
    } else if (xdensity < 500) {
      mUndoPopup.setWidth((int) (mDensity * 330));
    } else {
      mUndoPopup.setWidth((int) (mDensity * 450));
    }
    mUndoPopup.setHeight((int) (mDensity * 48));
    mUndoPopup.setOutsideTouchable(true);
    mUndoPopup.setBackgroundDrawable(new ColorDrawable(
        android.R.color.white));
  }

  public void hideProgressBar() {
    mProgressBar.setVisibility(View.GONE);
  }

  public void setAdapter(ListAdapter adapter) {
    mListView.setAdapter(adapter);
  }

  public void showUndoPopup(OnDismissListener listener, String text,
      OnClickListener click) {
    mUndoText.setText(text);
    mUndoPopup.showAtLocation(this, Gravity.CENTER_HORIZONTAL
        | Gravity.BOTTOM, 0, 12);
    mUndoPopup.setOnDismissListener(listener);
    mUndoButton.setOnClickListener(click);
  }

  public void dismissUndoPopup() {
    mUndoPopup.dismiss();
  }

  public ListView getListView() {
    return mListView;
  }

  public void setEmptyView(View emptyView) {
    ViewGroup parentView = (ViewGroup) mListView.getParent();
    parentView.addView(emptyView, 1);
    mListView.setEmptyView(emptyView);
  }

  public void setOnItemClickListener(OnItemClickListener mItemClickListener) {
    mListView.setOnItemClickListener(mItemClickListener);
  }

  public void setOnItemLongClickListener(
      OnItemLongClickListener mItemLongClickListener) {
    mListView.setOnItemLongClickListener(mItemLongClickListener);
  }

  public void hideDivider() {
    mListView.setDivider(null);
    mListView.setDividerHeight(0);
  }

  public boolean openAnimate(View view) {
    if (null != mCurrentItemView) {
      if (view == mCurrentItemView) {
        return false;
      } else {
        closeAnimate();
      }
    }
    mCurrentItemView = view;
    mCurrentItemView.findViewById(R.id.back).setVisibility(VISIBLE);
    mCurrentItemView.findViewById(R.id.front)
        .startAnimation(mOpenAnimation);
    return true;
  }

  public void closeAnimate() {
    if (null != mCurrentItemView) {
      mCurrentItemView.findViewById(R.id.back).setVisibility(GONE);
      mCurrentItemView.findViewById(R.id.front).setVisibility(VISIBLE);
      mCurrentItemView.findViewById(R.id.front).startAnimation(
          mCloseAnimation);
      mCurrentItemView = null;
    }
  }

  public void closeWithoutAnimate() {
    if (null != mCurrentItemView) {
      mCurrentItemView.findViewById(R.id.back).setVisibility(GONE);
      View view = mCurrentItemView.findViewById(R.id.front);
      view.setVisibility(VISIBLE);
      mCurrentItemView = null;
    }
  }

  public boolean openAnimate(int position) {
    View view = mListView.getChildAt(position
        + mListView.getHeaderViewsCount());
    return openAnimate(view);
  }
}
Java Source Code List
