【求助】动态添加cardview设置margin无效，求解

kaker 2017-01-10 03:42:38

上面这个是我要达到的效果

上面这两张是动态创建的实际效果，上下左右边距没有达到预期效果

下面是XML的layout布局文件代码

<?xml version="1.0" encoding="utf-8"?>

<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:app="http://schemas.android.com/apk/res-auto"

    xmlns:tools="http://schemas.android.com/tools"

    android:id="@+id/content_info_add"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    app:layout_behavior="@string/appbar_scrolling_view_behavior"

    tools:context="org.bobbit.com.bobbitqrscan.ui.InfoAddActivity"

    tools:showIn="@layout/activity_info_add">



    <LinearLayout

        android:id="@+id/ll_info_add"

        android:layout_width="match_parent"

        android:layout_height="match_parent"

        android:orientation="vertical"

        android:paddingTop="@dimen/activity_vertical_margin"

        tools:ignore="ScrollViewSize">



       <!--以下部分为需要动态创建的部分-->



        <android.support.v7.widget.CardView

            cardBackgroundColor="@android:color/white"

            cardCornerRadius="4dp"

            cardElevation="6dp"

            android:layout_width="match_parent"

            android:layout_height="50dp"

            android:layout_margin="5dp">



            <LinearLayout

                android:layout_width="match_parent"

                android:layout_height="match_parent"

                android:orientation="horizontal"

                android:padding="5dp">



                <EditText

                    android:id="@+id/et_info_type"

                    android:layout_width="0dp"

                    android:layout_height="match_parent"

                    android:layout_weight="1"

                    android:background="#00000000"

                    android:ellipsize="none"



                    android:gravity="center_vertical"

                    android:hint="@string/info_type"

                    android:inputType="text"

                    android:padding="5dp"

                    android:textColor="@android:color/black"

                    android:textColorHint="#C7C7C7" />

            </LinearLayout>

        </android.support.v7.widget.CardView>



       <!--以上部分为需要动态创建的部分-->

    </LinearLayout>

</ScrollView>

下面是动态创建的代码：

 @Override

public void onClick(View view) {

   LinearLayout linearLayout = (LinearLayout) findViewById(R.id.ll_info_add);

   CardView newSingleCV = generateSingleLayout();

   linearLayout.addView(newSingleCV);

   }



/**

     * 动态生成控件部分

     * @return

     */

    public CardView generateSingleLayout() {

        LinearLayout linearLayout = new LinearLayout(this);

        linearLayout.setOrientation(LinearLayout.HORIZONTAL);

        linearLayout.setPadding(dip2px(context, 5), dip2px(context, 5), dip2px(context, 5), dip2px(context, 5));

        LinearLayout.LayoutParams LL_LP = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.MATCH_PARENT);



        EditText editText = new EditText(this);

        editText.setWidth(0);

        editText.setHeight(RelativeLayout.LayoutParams.MATCH_PARENT);

        editText.setInputType(InputType.TYPE_CLASS_TEXT);

        editText.setGravity(Gravity.CENTER_VERTICAL);

        editText.setPadding(dip2px(context, 5), dip2px(context, 5), dip2px(context, 5), dip2px(context, 5));

        editText.setBackgroundColor(0);

        editText.setTextColor(Color.BLACK);

        editText.setHintTextColor(Color.rgb(199, 199, 199));

        linearLayout.addView(editText, LL_LP);



        CardView cardView = new CardView(this);

        cardView.setLayoutParams(new CardView.LayoutParams(

                CardView.LayoutParams.MATCH_PARENT,   // width

                dip2px(context, 50))); // height

        cardView.setPreventCornerOverlap(true);



        cardView.setCardBackgroundColor(Color.WHITE);

        cardView.setRadius(dip2px(context, 4));

        cardView.setCardElevation(dip2px(context, 6));

//        cardView.setBackgroundColor(Color.GREEN);

        final CardView.LayoutParams CV_LP = new CardView.LayoutParams(CardView.LayoutParams.MATCH_PARENT, dip2px(context, 50));

        CV_LP.setMargins(dip2px(context, 5), dip2px(context, 5), dip2px(context, 5), dip2px(context, 5));



        cardView.addView(linearLayout, CV_LP);

        return cardView;



    }



    //dip转像素

    public static int dip2px(Context context, float dipValue) {

        final float scale = context.getResources().getDisplayMetrics().density;

        return (int) (dipValue * scale + 0.5f);

    }

}