gradle 两个都要添加
allprojects {
repositories {
...
maven { url 'https://jitpack.io' }
}
}
dependencies {
compile 'com.github.wanbanjiesan:tv_focus_layout_view:v1.1.0323'
}
activity_mian.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:clipChildren="false"
android:clipToPadding="false"
>
<com.wanban.focuslayout.HLayoutContainer
android:id="@+id/view_hlayout"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:clipChildren="false"
android:clipToPadding="false"
android:paddingTop="60dp"
android:paddingLeft="120dp"
/>
</RelativeLayout>由于动画放大后，肯定会超出parent的尺寸，如果想让view放大后，扔能正常显示，此时需要2个属性：
- android:clipChildren
- android:clipToPadding
具体意思请自行google，默认是true
MainActivity.java
public class MainActivity extends AppCompatActivity {
private HLayoutContainer hLayoutContainer;
private ArrayList<Rect> childLocationInfo;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
hLayoutContainer = (HLayoutContainer) findViewById(R.id.view_hlayout);
// demo 布局是前8个item是不规则大小，后面的就是规则的大小
int childCount = 20;
// HLayoutContainer通过adapter来加载item的view
MyListAdapter focusAdapter = new MyListAdapter(this, childCount);
layoutChild(childCount);
hLayoutContainer.setAdapter(focusAdapter, childLocationInfo);
hLayoutContainer.post(new Runnable() {
@Override
public void run() {
hLayoutContainer.getChildAt(0).requestFocus();
}
});
}
// 设置child的布局 本例只是demo，安各位的需求类似的设置即可
// 此处按照你的设计，设置从0到最后一个item的Rect，他们之间最后通过relate的关系，比如第二个item的left跟第一个item的right相关
// rectItem2.right = rectItem1.left
// 这种设置可以让你在检查问题和以后阅读的时候更加方便
private void layoutChild(int count) {
childLocationInfo = new ArrayList<>();
int itemRowAndColumnSpace = 36;
int paddingLeft = 0;
int paddingTop = 0;
// 第一张大图的宽
int img0W = 801;
// 第一行img的高度
int imgTopH = 450;
// 第一张大图的高度
int img1W = 270;
// 第二行img的高度
int imgBottomH = 276;
int img2W = 492;
int img3W = 315;
// 第一行img的top
int top0 = paddingTop;
// 第二行img的top
int top1 = top0 + imgTopH + itemRowAndColumnSpace;
int bottom0 = top0 + imgTopH;
int bottom1 = top1 + imgBottomH;
// 第1个child
Rect child0 = new Rect();
child0.left = paddingLeft;
child0.right = child0.left + img0W;
child0.top = top0;
child0.bottom = bottom0;
childLocationInfo.add(child0);
// 第2个child
Rect child1 = new Rect();
child1.left = paddingLeft;
child1.right = child1.left + img1W;
child1.top = top1;
child1.bottom = bottom1;
childLocationInfo.add(child1);
Rect child2 = new Rect();
child2.left = child1.right + itemRowAndColumnSpace;
child2.right = child2.left + img2W;
child2.top = top1;
child2.bottom = bottom1;
childLocationInfo.add(child2);
Rect child3 = new Rect();
child3.left = child0.right + itemRowAndColumnSpace;
child3.right = child3.left + img3W;
child3.top = top0;
child3.bottom = bottom0;
childLocationInfo.add(child3);
Rect child4 = new Rect();
child4.left = child0.right + itemRowAndColumnSpace;
child4.right = child4.left + img2W;
child4.top = top1;
child4.bottom = bottom1;
childLocationInfo.add(child4);
Rect child5 = new Rect();
child5.left = child3.right + itemRowAndColumnSpace;
child5.right = child5.left + img3W;
child5.top = top0;
child5.bottom = bottom0;
childLocationInfo.add(child5);
Rect child7 = new Rect();
child7.left = child5.right + itemRowAndColumnSpace;
child7.right = child7.left + img3W;
child7.top = top0;
child7.bottom = bottom0;
childLocationInfo.add(child7);
Rect child6 = new Rect();
child6.left = child4.right + itemRowAndColumnSpace;
child6.right = child6.left + img2W;
child6.top = top1;
child6.bottom = bottom1;
childLocationInfo.add(child6);
// 固定位置child的数量
int localChildCount = 8;
int childRecycleCount = count - localChildCount;
if (childRecycleCount > 0) {
// 固定大小的child
int recycleLeft = childLocationInfo.get(childLocationInfo.size() - 1).right + itemRowAndColumnSpace;
int recycleWidth = 255;
int recycleHeight = 363;
for (int i = 0; i < childRecycleCount; i++) {
Rect child = new Rect();
child.left = recycleLeft;
child.right = child.left + recycleWidth;
child.top = (i % 2 == 0 ? 0 : 1) * (recycleHeight + itemRowAndColumnSpace);
child.bottom = child.top + recycleHeight;
recycleLeft += (i % 2 == 0 ? 0 : 1) * (recycleWidth + itemRowAndColumnSpace);
childLocationInfo.add(child);
}
}
}
}
MyListAdapter.java
public class MyListAdapter extends BaseAdapter {
private Context context;
private int videoListSize;
public MyListAdapter(Context context, int videoListSize) {
this.context = context;
this.videoListSize = videoListSize;
}
@Override
public int getCount() {
return videoListSize;
}
@Override
public Object getItem(int position) {
return null;
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
convertView = LayoutInflater.from(context).inflate(R.layout.item_home_recommend_focus, null);
// 主图
ImageView iv = (ImageView) convertView.findViewById(R.id.iv_home_item);
iv.setBackgroundResource(R.drawable.a2);
return convertView;
}
}item_home_recommend_focus.xml
public class MyListAdapter extends BaseAdapter {
private Context context;
private int videoListSize;
public MyListAdapter(Context context, int videoListSize) {
this.context = context;
this.videoListSize = videoListSize;
}
@Override
public int getCount() {
return videoListSize;
}
@Override
public Object getItem(int position) {
return null;
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
convertView = LayoutInflater.from(context).inflate(R.layout.item_home_recommend_focus, null);
// 主图
ImageView iv = (ImageView) convertView.findViewById(R.id.iv_home_item);
iv.setBackgroundResource(R.drawable.a2);
return convertView;
}
}