仿QQ发表说说

pop = new PopupWindow(MainActivity.this);
  
  View view = getLayoutInflater().inflate(R.layout.item_popupwindows, null);

  ll_popup = (LinearLayout) view.findViewById(R.id.ll_popup);
  
  pop.setWidth(LayoutParams.MATCH_PARENT);
  pop.setHeight(LayoutParams.WRAP_CONTENT);
  pop.setBackgroundDrawable(new BitmapDrawable());
  pop.setFocusable(true);
  pop.setOutsideTouchable(true);
  pop.setContentView(view);
  
  RelativeLayout parent = (RelativeLayout) view.findViewById(R.id.parent);
  Button bt1 = (Button) view
    .findViewById(R.id.item_popupwindows_camera);
  Button bt2 = (Button) view
    .findViewById(R.id.item_popupwindows_Photo);
  Button bt3 = (Button) view
    .findViewById(R.id.item_popupwindows_cancel);
  //整个线性布局
  parent.setOnClickListener(new OnClickListener() {
   
   @Override
   public void onClick(View v) {
    // TODO Auto-generated method stub
    pop.dismiss();
    ll_popup.clearAnimation();
   }
  });
  //拍照
  bt1.setOnClickListener(new OnClickListener() {
   public void onClick(View v) {
    photo();
    pop.dismiss();
    ll_popup.clearAnimation();
   }
  });
  //相册
  bt2.setOnClickListener(new OnClickListener() {
   public void onClick(View v) {
    Intent intent = new Intent(MainActivity.this,
      AlbumActivity.class);
    startActivity(intent);
    /**
     * overridePendingTransition
     * 实现两个 Activity 切换时的动画。在Activity中使用
                                                    有两个参数：进入动画和出去的动画。
                                                    注意
     1、必须在 StartActivity()  或 finish() 之后立即调用。
     2、而且在 2.1 以上版本有效
     3、手机设置-显示-动画，要开启状态
     */
    overridePendingTransition(R.anim.activity_translate_in, R.anim.activity_translate_out);
    pop.dismiss();
    ll_popup.clearAnimation();
   }
  });
  //取消
  bt3.setOnClickListener(new OnClickListener() {
   public void onClick(View v) {
    pop.dismiss();
    ll_popup.clearAnimation();
   }
  });