android PopupWindow實現從底部彈出或滑出選擇菜單或視窗

標籤：

<LinearLayout       android:id="@+id/pop_layout"      android:layout_width="fill_parent"      android:layout_height="wrap_content"      android:gravity="center_horizontal"      android:orientation="vertical"      android:layout_alignParentBottom="true"       android:background="@drawable/btn_style_alert_dialog_background"       >              <Button          android:id="@+id/btn_take_photo"          android:layout_marginLeft="20dip"          android:layout_marginRight="20dip"          android:layout_marginTop="20dip"          android:layout_width="fill_parent"          android:layout_height="wrap_content"          android:text="拍照"          android:background="@drawable/btn_style_alert_dialog_button"          android:textStyle="bold"           />        <Button          android:id="@+id/btn_pick_photo"          android:layout_marginLeft="20dip"          android:layout_marginRight="20dip"          android:layout_marginTop="5dip"            android:layout_width="fill_parent"          android:layout_height="wrap_content"          android:text="從相簿選擇"           android:background="@drawable/btn_style_alert_dialog_button"           android:textStyle="bold"           />        <Button          android:id="@+id/btn_cancel"         android:layout_marginLeft="20dip"         android:layout_marginRight="20dip"         android:layout_marginTop="15dip"          android:layout_marginBottom="15dip"         android:layout_width="fill_parent"         android:layout_height="wrap_content"         android:text="取消"         android:background="@drawable/btn_style_alert_dialog_cancel"         android:textColor="#ffffff"         android:textStyle="bold"                   />  </LinearLayout>  

 

    import android.app.Activity;      import android.content.Context;      import android.graphics.drawable.ColorDrawable;      import android.view.LayoutInflater;      import android.view.MotionEvent;      import android.view.View;      import android.view.View.OnClickListener;      import android.view.View.OnTouchListener;      import android.view.ViewGroup.LayoutParams;      import android.widget.Button;      import android.widget.PopupWindow;            public class SelectPicPopupWindow extends PopupWindow {                      private Button btn_take_photo, btn_pick_photo, btn_cancel;          private View mMenuView;                public SelectPicPopupWindow(Activity context,OnClickListener itemsOnClick) {              super(context);              LayoutInflater inflater = (LayoutInflater) context                      .getSystemService(Context.LAYOUT_INFLATER_SERVICE);              mMenuView = inflater.inflate(R.layout.alert_dialog, null);              btn_take_photo = (Button) mMenuView.findViewById(R.id.btn_take_photo);              btn_pick_photo = (Button) mMenuView.findViewById(R.id.btn_pick_photo);              btn_cancel = (Button) mMenuView.findViewById(R.id.btn_cancel);              //取消按鈕              btn_cancel.setOnClickListener(new OnClickListener() {                        public void onClick(View v) {                      //銷毀彈出框                      dismiss();                  }              });              //設定按鈕監聽              btn_pick_photo.setOnClickListener(itemsOnClick);              btn_take_photo.setOnClickListener(itemsOnClick);              //設定SelectPicPopupWindow的View              this.setContentView(mMenuView);              //設定SelectPicPopupWindow彈出表單的寬              this.setWidth(LayoutParams.FILL_PARENT);              //設定SelectPicPopupWindow彈出表單的高              this.setHeight(LayoutParams.WRAP_CONTENT);              //設定SelectPicPopupWindow彈出表單可點擊              this.setFocusable(true);              //設定SelectPicPopupWindow彈出表單動畫效果              this.setAnimationStyle(R.style.AnimBottom);              //執行個體化一個ColorDrawable顏色為半透明              ColorDrawable dw = new ColorDrawable(0xb0000000);              //設定SelectPicPopupWindow彈出表單的背景              this.setBackgroundDrawable(dw);              //mMenuView添加OnTouchListener監聽判斷擷取觸屏位置如果在選擇框外面則銷毀彈出框              mMenuView.setOnTouchListener(new OnTouchListener() {                                    public boolean onTouch(View v, MotionEvent event) {                                            int height = mMenuView.findViewById(R.id.pop_layout).getTop();                      int y=(int) event.getY();                      if(event.getAction()==MotionEvent.ACTION_UP){                          if(y<height){                              dismiss();                          }                      }                                     return true;                  }              });                }            }  

    //把文字控制項添加監聽，點擊彈出自訂視窗          tv.setOnClickListener(new OnClickListener() {                         public void onClick(View v) {                  //執行個體化SelectPicPopupWindow                  menuWindow = new SelectPicPopupWindow(MainActivity.this, itemsOnClick);                  //顯示視窗                  menuWindow.showAtLocation(MainActivity.this.findViewById(R.id.main), Gravity.BOTTOM|Gravity.CENTER_HORIZONTAL, 0, 0); //設定layout在PopupWindow中顯示的位置              }          });      }            //為快顯視窗實現監聽類      private OnClickListener  itemsOnClick = new OnClickListener(){            public void onClick(View v) {              menuWindow.dismiss();              switch (v.getId()) {              case R.id.btn_take_photo:                  break;              case R.id.btn_pick_photo:                                 break;              default:                  break;              }  

 

android PopupWindow實現從底部彈出或滑出選擇菜單或視窗