布局中的第一个子节点是导航抽屉布局中主Activity UI的列表视图。我正在尝试使用片段和导航抽屉布局显示列表视图，但列表视图不会显示在主Activity UI中。有人可以帮助我如何显示list.Thanks in advanced。
这是我的代码
<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent">
<!-- The first child in the layout is for the main Activity UI-->
<FrameLayout
android:id="@+id/content_frame"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<!-- Side navigation drawer UI -->
<ListView
android:id="@+id/navList"
android:layout_width="200dp"
android:layout_height="match_parent"
android:layout_gravity="left|start"
android:background="#ffeeeeee" />
</android.support.v4.widget.DrawerLayout>
MainActivity.java：
public class MainActivity extends ActionBarActivity {
private ListView mDrawerList ;
private DrawerLayout mDrawerLayout;
private ArrayAdapter<String> mAdapter;
private ActionBarDrawerToggle mDrawerToggle;
private String mActivityTitle;
Fragment fragment = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mDrawerList = (ListView) findViewById(R.id.navList);
mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
mActivityTitle = getTitle().toString();
addDrawerItems();
setupDrawer();
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
getSupportActionBar().setHomeButtonEnabled(true);
fragment = new YourListFragment();
if (fragment != null)
{
FragmentManager fragmentManager = getFragmentManager();
fragmentManager.beginTransaction()
.replace(R.id.content_frame, fragment)
.commit();
}
}
private void addDrawerItems() {
String[] osArray = {"Android", "iOS", "Windows", "OS X", "Linux"};
mAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, osArray);
mDrawerList.setAdapter(mAdapter);
mDrawerList.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
Toast.makeText(MainActivity.this, "Time for an upgrade!", Toast.LENGTH_SHORT).show();
}
});
}
private void setupDrawer() {
mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, R.string.drawer_open, R.string.drawer_close) {
/** Called when a drawer has settled in a completely open state. */
public void onDrawerOpened(View drawerView) {
super.onDrawerOpened(drawerView);
getSupportActionBar().setTitle("Navigation!");
invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
}
/** Called when a drawer has settled in a completely closed state. */
public void onDrawerClosed(View view) {
super.onDrawerClosed(view);
getSupportActionBar().setTitle(mActivityTitle);
invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
}
};
mDrawerToggle.setDrawerIndicatorEnabled(true);
mDrawerLayout.setDrawerListener(mDrawerToggle);
}
@Override
protected void onPostCreate(Bundle savedInstanceState) {
super.onPostCreate(savedInstanceState);
// Sync the toggle state after onRestoreInstanceState has occurred.
mDrawerToggle.syncState();
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
mDrawerToggle.onConfigurationChanged(newConfig);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
// Activate the navigation drawer toggle
if (mDrawerToggle.onOptionsItemSelected(item)) {
return true;
}
return super.onOptionsItemSelected(item);
}
}
以片段
显示列表视图public class YourListFragment extends Fragment {
int DR_CAMERA_REQUEST = 99999;
ListView allPostListView;
MyListAdapter adapter;
ArrayList<Bitmap> bitmapArray = new ArrayList<Bitmap>();
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.all_post_list_fragment, container, false);
allPostListView = (ListView)rootView.findViewById(R.id.listview_AllPost);
adapter = new MyListAdapter(getActivity().getBaseContext(),R.layout.all_post_row, bitmapArray);
allPostListView.setAdapter(adapter);
return rootView;
}
public void onActivityResult(int requestCode, int resultCode, Intent data)
{
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == DR_CAMERA_REQUEST )
{
Bitmap photo = (Bitmap) data.getExtras().get("data");
Log.e("photo ", " = " + photo);
bitmapArray.add(photo);
//imgProfilePic.setImageBitmap(photo);
}
}
}
适配器类
class MyListAdapter extends ArrayAdapter {
Context context;
int layoutResourceId;
int DR_CAMERA_REQUEST = 99999;
ArrayList<Bitmap> bmp = new ArrayList<Bitmap>();
ProgressBar pBar;int fixedHeight = 220;
public MyListAdapter(Context context, int layoutResourceId , ArrayList<Bitmap> bitmapArray) {
super(context, layoutResourceId);
this.layoutResourceId = layoutResourceId;
this.context = context;
this.bmp = bitmapArray;
}
@Override
public int getCount() {
return bmp.size();
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(final int position, View row, ViewGroup parent) {
final Holder holder;
if (row == null)
{
LayoutInflater vi;
vi = LayoutInflater.from(getContext());
row = vi.inflate(R.layout.all_post_row, parent, false);
holder = new Holder();
holder.horizontalScrollView = (HorizontalScrollView) row.findViewById(R.id.hlist);
holder.lLinearLayout = (LinearLayout) row.findViewById(R.id.innerlay);
holder.imgBtn_Camera = (ImageView) row.findViewById(R.id.imgButton_Camera);
row.setTag(holder);
}
else
{
holder = (Holder) row.getTag();
}
LayoutInflater mInflater;
mInflater = LayoutInflater.from(getContext());
View cur_deal = mInflater.inflate(R.layout.horizontalitem, holder.lLinearLayout, false);
RelativeLayout rLayout = (RelativeLayout) cur_deal.findViewById(R.id.img_layout);
final ImageView imageView = (ImageView) cur_deal.findViewById(R.id.image_AllPost);
pBar = (ProgressBar) cur_deal.findViewById(R.id.pBar_AllPost);
holder.lLinearLayout.removeAllViews();
if(bmp.size() > 0)
{
int index = bmp.size() -1;
rLayout.getLayoutParams().height = fixedHeight;
Bitmap lastbitmap = bmp.get(index);
imageView.setImageBitmap(lastbitmap);
pBar.setVisibility(View.VISIBLE);
holder.lLinearLayout.addView(cur_deal);
}
//OnClickListener for camera button in the List
holder.imgBtn_Camera.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v)
{
Intent cameraIntent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
((Activity)context).startActivityForResult(cameraIntent, DR_CAMERA_REQUEST);
Log.e("Camera", " Open");
}
});
return row;
}
final class Holder {
ImageView imgBtn_Camera;
LinearLayout lLinearLayout;
HorizontalScrollView horizontalScrollView;
}
}
这是我的all_post_row.xml文件
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@android:color/white"
android:descendantFocusability="blocksDescendants"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="40dp"
android:orientation="vertical">
<HorizontalScrollView
android:id="@+id/hlist"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="1dp"
android:background="@android:color/white"
android:fillViewport="true"
android:measureAllChildren="false"
android:scrollbars="none">
<LinearLayout
android:id="@+id/innerlay"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:background="@android:color/white"
android:orientation="horizontal"
>
</LinearLayout>
</HorizontalScrollView>
</LinearLayout>
<LinearLayout
android:id="@+id/buttonslayout"
android:layout_width="match_parent"
android:layout_height="26dp"
android:layout_marginTop="10dp"
android:background="#D8D8D8"
android:orientation="horizontal">
<ImageView
android:id="@+id/imgButton_FoloowUp"
android:layout_width="0dp"
android:layout_height="fill_parent"
android:layout_marginLeft="20dp"
android:layout_weight="1"
android:contentDescription="desc"
android:src="@drawable/follow_up_grey" />
<ImageView
android:id="@+id/imgButton_Camera"
android:layout_width="0dp"
android:layout_height="fill_parent"
android:layout_weight="1"
android:contentDescription="desc"
android:src="@drawable/camera_grey" />
<ImageView
android:id="@+id/imgButton_RecordAudio"
android:layout_width="0dp"
android:layout_height="fill_parent"
android:layout_weight="1"
android:contentDescription="desc"
android:src="@drawable/recorder_gray" />
</LinearLayout>
</LinearLayout>
这是horizontal.xml文件
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/img_layout"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@android:color/transparent"
android:paddingLeft="1dp">
<ImageView
android:id="@+id/image_AllPost"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true" />
<ProgressBar
android:id="@+id/pBar_AllPost"
style="?android:attr/progressBarStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true" />
</RelativeLayout>
答案 0 :(得分：0)
更改
<FrameLayout
android:id="@+id/content_frame"
android:layout_width="match_parent"
android:layout_height="match_parent" />
到：
<FrameLayout
android:id="@+id/content_frame"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />