..Souce Code of net.londatiga.android.
package net.londatiga.android;
import java.util.ArrayList;
import android.content.Context;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.view.animation.Interpolator;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.tonnguyen.sathach.R;
/**
* Popup window, shows action list as icon and text (QuickContact / Twitter app).
*
* @author Lorensius. W. T
*/
public class QuickAction extends CustomPopupWindow {
protected final View root;
private final ImageView mArrowUp;
private final ImageView mArrowDown;
protected final Animation mTrackAnim;
protected final LayoutInflater inflater;
protected final Context context;
protected static final int ANIM_GROW_FROM_LEFT = 1;
protected static final int ANIM_GROW_FROM_RIGHT = 2;
protected static final int ANIM_GROW_FROM_CENTER = 3;
protected static final int ANIM_AUTO = 4;
protected int animStyle;
protected boolean animateTrack;
protected ViewGroup mTrack;
protected ArrayList
/**
* Constructor
*
* @param anchor
{@link View} on where the popup should be displayed
*/
public QuickAction(View anchor) {
super(anchor);
actionList = new ArrayList
context = anchor.getContext();
inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
root = (ViewGroup) inflater.inflate(R.layout.quickaction, null);
mArrowDown = (ImageView) root.findViewById(R.id.arrow_down);
mArrowUp = (ImageView) root.findViewById(R.id.arrow_up);
setContentView(root);
mTrackAnim = AnimationUtils.loadAnimation(anchor.getContext(), R.anim.rail);
mTrackAnim.setInterpolator(new Interpolator() {
public float getInterpolation(float t) {
// Pushes past the target area, then snaps back into place.
// Equation for graphing: 1.2-((x*1.6)-1.1)^2
final float inner = (t * 1.55f) – 1.1f;
return 1.2f – inner * inner;
}
});
mTrack = (ViewGroup) root.findViewById(R.id.tracks);
animStyle = ANIM_AUTO;
animateTrack = true;
}
/**
* Animate track
*
* @param animateTrack flag to animate track
*/
public void animateTrack(boolean animateTrack) {
this.animateTrack = animateTrack;
}
/**
* Set animation style
*
* @param animStyle animation style, default is set to ANIM_AUTO
*/
public void setAnimStyle(int animStyle) {
this.animStyle = animStyle;
}
/**
* Add action item
*
* @param action
{@link ActionItem}
*/
public void addActionItem(ActionItem action) {
actionList.add(action);
}
/**
* Show popup window
*/
public void show () {
preShow();
int[] location = new int[2];
anchor.getLocationOnScreen(location);
Rect anchorRect = new Rect(location[0], location[1], location[0] + anchor.getWidth(), location[1]
+ anchor.getHeight());
root.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
root.measure(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
int rootWidth = root.getMeasuredWidth();
int rootHeight = root.getMeasuredHeight();
int screenWidth = windowManager.getDefaultDisplay().getWidth();
//int screenHeight = windowManager.getDefaultDisplay().getHeight();
int xPos = (screenWidth – rootWidth) / 2;
int yPos = anchorRect.top – rootHeight;
boolean onTop = true;
// display on bottom
if (rootHeight > anchorRect.top) {
yPos = anchorRect.bottom;
onTop = false;
}
showArrow(((onTop) ? R.id.arrow_down : R.id.arrow_up), anchorRect.centerX());
setAnimationStyle(screenWidth, anchorRect.centerX(), onTop);
createActionList();
window.showAtLocation(this.anchor, Gravity.NO_GRAVITY, xPos, yPos);
if (animateTrack) mTrack.startAnimation(mTrackAnim);
}
/**
* Set animation style
*
* @param screenWidth Screen width
* @param requestedX distance from left screen
* @param onTop flag to indicate where the popup should be displayed. Set TRUE if displayed on top of anchor and vice versa
*/
protected void setAnimationStyle(int screenWidth, int requestedX, boolean onTop) {
int arrowPos = requestedX – mArrowUp.getMeasuredWidth()/2;
switch (animStyle) {
case ANIM_GROW_FROM_LEFT:
window.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Left : R.style.Animations_PopDownMenu_Left);
break;
case ANIM_GROW_FROM_RIGHT:
window.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Right : R.style.Animations_PopDownMenu_Right);
break;
case ANIM_GROW_FROM_CENTER:
window.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Center : R.style.Animations_PopDownMenu_Center);
break;
case ANIM_AUTO:
if (arrowPos <= screenWidth/4) { window.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Left : R.style.Animations_PopDownMenu_Left); } else if (arrowPos > screenWidth/4 && arrowPos < 3 * (screenWidth/4)) { window.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Center : R.style.Animations_PopDownMenu_Center); } else { window.setAnimationStyle((onTop) ? R.style.Animations_PopDownMenu_Right : R.style.Animations_PopDownMenu_Right); } break; } } /** * Create action list * */ private void createActionList() { View view; String title; Drawable icon; OnClickListener listener; int index = 1; for (int i = 0; i < actionList.size(); i++) { title = actionList.get(i).getTitle(); icon = actionList.get(i).getIcon(); listener = actionList.get(i).getListener(); view = getActionItem(title, icon, listener); view.setFocusable(true); view.setClickable(true); mTrack.addView(view, index); index++; } } /** * Get action item {@link View} * * @param title action item title * @param icon {@link Drawable} action item icon * @param listener {@link View.OnClickListener} action item listener * @return action item {@link View} */ private View getActionItem(String title, Drawable icon, OnClickListener listener) { LinearLayout container = (LinearLayout) inflater.inflate(R.layout.action_item, null); ImageView img = (ImageView) container.findViewById(R.id.icon); TextView text = (TextView) container.findViewById(R.id.title); if (icon != null) { img.setImageDrawable(icon); } else { img.setVisibility(View.GONE); } if (title != null) { text.setText(title); } else { text.setVisibility(View.GONE); } if (listener != null) { container.setOnClickListener(listener); } return container; } /** * Show arrow * * @param whichArrow arrow type resource id * @param requestedX distance from left screen */ protected void showArrow(int whichArrow, int requestedX) { final View showArrow = (whichArrow == R.id.arrow_up) ? mArrowUp : mArrowDown; final View hideArrow = (whichArrow == R.id.arrow_up) ? mArrowDown : mArrowUp; final int arrowWidth = mArrowUp.getMeasuredWidth(); showArrow.setVisibility(View.VISIBLE); ViewGroup.MarginLayoutParams param = (ViewGroup.MarginLayoutParams)showArrow.getLayoutParams(); param.leftMargin = requestedX - arrowWidth / 2; hideArrow.setVisibility(View.INVISIBLE); } } Related Class of net.londatiga.android.QuickAction Copyright © 2011 www.androidadb.com. All rights reserved. All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc. Contact . See also: | | |