TranslateAnimationフェード用のポップアップとメニュー用の別のポップアップウィンドウとともに、移動したいビューで簡単に使用できます。アプリケーションに実装しましたが、魅力的に機能します。
コード:
public class SlidingOptionsMenuActivity extends Activity {
/**
* Signifies that the menu is already visible
*/
boolean alreadyShowing = false;
/**
* Width of the current window
*/
private int windowWidth;
/**
* Height of the current window
*/
private int windowHeight;
/**
* Reference of the {@link PopupWindow} which dims the screen
*/
private PopupWindow fadePopup;
/**
* The translate animation
*/
private Animation ta;
/**
* The view which needs to be translated
*/
private RelativeLayout baseView;
/**
* Reference of the {@link LayoutInflater}
*/
LayoutInflater inflater;
/*
* (non-Javadoc)
*
* @see android.app.Activity#onCreate(android.os.Bundle)
*/
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Display display = getWindowManager().getDefaultDisplay();
windowWidth = display.getWidth();
windowHeight = display.getHeight();
inflater = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE);
findViewById(R.id.btnOptions).setOnClickListener(new OnClickListener() {
/*
* (non-Javadoc)
*
* @see android.view.View.OnClickListener#onClick(android.view.View)
*/
@Override
public void onClick(View v) {
if(!alreadyShowing){
alreadyShowing = true;
openSlidingMenu();
}
}
});
}
/**
* Fades the entire screen, gives a dim background
*/
private void showFadePopup() {
final View layout = inflater.inflate(R.layout.fadepopup, (ViewGroup) findViewById(R.id.fadePopup));
fadePopup = new PopupWindow(layout, windowWidth, windowHeight, false);
fadePopup.showAtLocation(layout, Gravity.NO_GRAVITY, 0, 0);
}
/**
* Opens the sliding Menu
*/
private void openSlidingMenu() {
showFadePopup();
// The amount of view which needs to be moved out. equivalent to the
// width of the menu
int width = (int) (windowWidth * 0.6f);
translateView((float) (width));
int height = LayoutParams.FILL_PARENT;
// creating a popup
final View layout = inflater.inflate(R.layout.option_popup_layout,(ViewGroup) findViewById(R.id.popup_element));
final PopupWindow optionsPopup = new PopupWindow(layout, width, height, true);
optionsPopup.setBackgroundDrawable(new PaintDrawable());
optionsPopup.showAtLocation(layout, Gravity.NO_GRAVITY, 0, 0);
optionsPopup.setOnDismissListener(new PopupWindow.OnDismissListener() {
public void onDismiss() {
//Removing the fade effect
fadePopup.dismiss();
//to clear the previous animation transition in
cleanUp();
//move the view out
translateView(0);
//to clear the latest animation transition out
cleanUp();
//resetting the variable
alreadyShowing = false;
}
});
}
/**
* This method is responsible for view translation. It applies a translation
* animation on the root view of the activity
*
* @param right The position to translate to
*/
private void translateView(float right) {
ta = new TranslateAnimation(0f, right, 0f, 0f);
ta.setDuration(300);
ta.setFillEnabled(true);
ta.setFillAfter(true);
baseView = (RelativeLayout) findViewById(R.id.baseView);
baseView.startAnimation(ta);
baseView.setVisibility(View.VISIBLE);
}
/**
* Basic cleanup to avoid memory issues. Not everything is release after
* animation, so to immediately release it doing it manually
*/
private void cleanUp(){
if (null != baseView) {
baseView.clearAnimation();
baseView = null;
}
if (null != ta) {
ta.cancel();
ta = null;
}
fadePopup = null;
}
} //END of Class
//END of file
これが役立つことを願っています。
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