cardview使用笔记

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:paddingBottom="@dimen/activity_vertical_margin"
tools:context=".MainActivity"

>
<android.support.v7.widget.CardView
xmlns:cardview="http://schemas.android.com/apk/res-auto"
android:id="@+id/card_view"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="@dimen/activity_horizontal_margin"
android:layout_marginRight="@dimen/activity_horizontal_margin"
android:layout_marginTop="5dp"
android:layout_marginBottom="5dp"
cardview:cardCornerRadius="10dp"
cardview:cardBackgroundColor="@android:color/white"
cardview:cardElevation="24dp">

<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingTop="@dimen/activity_vertical_margin" >

<ImageView
android:id="@+id/img"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:src="@drawable/ic_launcher"
android:layout_centerHorizontal="true"
android:scaleType="fitCenter" />

<TextView
android:id="@+id/text_desc"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/img"
android:layout_centerHorizontal="true"
android:text="This is a card view"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin" />
</RelativeLayout>

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

<SeekBar
android:layout_below="@+id/card_view"
android:id="@+id/seek1"
android:layout_marginTop="10dp"
android:layout_width="150dp"
android:layout_height="30dp"
/>

<SeekBar
android:layout_below="@+id/seek1"
android:id="@+id/seek2"
android:layout_marginTop="10dp"
android:layout_width="150dp"
android:layout_height="30dp"
/>

</RelativeLayout>

protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

cardView = (CardView) findViewById(R.id.card_view);

SeekBar seek1 = (SeekBar) findViewById(R.id.seek1);
SeekBar seek2 = (SeekBar) findViewById(R.id.seek2);

seek1.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
@Override
public void onProgressChanged(SeekBar seekBar, int i, boolean b) {
if (b) {
cardView.setCardElevation(i);//阴影shadow
}
}

@Override
public void onStartTrackingTouch(SeekBar seekBar) {

}

@Override
public void onStopTrackingTouch(SeekBar seekBar) {

}
});

seek2.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
@Override
public void onProgressChanged(SeekBar seekBar, int i, boolean b) {
if (b) {
cardView.setRadius(i);//圆角大小设置
}
}

@Override
public void onStartTrackingTouch(SeekBar seekBar) {

}

@Override
public void onStopTrackingTouch(SeekBar seekBar) {

}
});
}