PopupWindow的使用

public class LogoutSettingPopup extends PopupWindow implements OnClickListener {
private Context mContext;

protected final int LIST_PADDING = 10;
private Rect mRect = new Rect();
private final int[] mLocation = new int[2];

@SuppressWarnings("unused")
private int mScreenWidth, mScreenHeight;
private boolean mIsDirty;
private int popupGravity = Gravity.CENTER;
private GlobalClickListener globalClickListener;

TextView tv_logout;
TextView tv_cancel;

public LogoutSettingPopup(Context context) {

    this(context, LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
}

@SuppressWarnings("deprecation")
public LogoutSettingPopup(Context context, int width, int height) {
    this.mContext = context;

    setFocusable(true);
    setTouchable(true);
    setOutsideTouchable(true);
    setBackgroundDrawable(new BitmapDrawable());
    setSoftInputMode(PopupWindow.INPUT_METHOD_NEEDED);
    setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
    setAnimationStyle(R.style.popupWindowAnimation_right_to_left_in);
    mScreenWidth = DisplayUtil.getScreenWidth(mContext);
    mScreenHeight = DisplayUtil.getScreenHeight(mContext);
    setWidth(width);
    setHeight(height);
    setBackgroundDrawable(new BitmapDrawable());
    setContentView(LayoutInflater.from(mContext).inflate(
            R.layout.popup_logout_setting, null));
    initUI();
}

private void initUI() {
    tv_logout = (TextView) getContentView().findViewById(R.id.tv_logout);
    tv_cancel = (TextView) getContentView().findViewById(R.id.tv_cancel);
    tv_logout.setOnClickListener(this);
    tv_cancel.setOnClickListener(this);
}

public void show(View view) {
    view.getLocationOnScreen(mLocation);
    mRect.set(mLocation[0], mLocation[1], mLocation[0] + view.getWidth(),
            mLocation[1] + view.getHeight());
    if (mIsDirty) {
        populateActions();
    }
    showAtLocation(view, popupGravity, 0, 0);
}

private void populateActions() {
    mIsDirty = false;

}

public void setGlobalClickListener(
        GlobalClickListener globalClickListener) {
    this.globalClickListener = globalClickListener;
}


@Override
public void onClick(View view) {
    // TODO Auto-generated method stub
    switch (view.getId()) {
    case R.id.tv_logout:// 注销
        this.globalClickListener.globalOnClick("注销", 0);
        break;
    case R.id.tv_cancel:// 取消
        dismiss();
        break;
    default:
        break;
    }

}

}

stytle文件（popupWindow进入和离开动画效果）

@anim/right_to_left_in
@anim/left_to_right_out

anim文件

right_to_left_in.xml