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首先我創建了所有的佈局，然後我將它們與按鈕鏈接起來。當我在Fragment中創建導航菜單時，我創建了另一個類來擴展Fragment並將它們鏈接到我創建的佈局。當我點擊片段導航菜單顯示，但主頁不隱藏。我試圖通過在線搜索解決，我喜歡YouTube上的視頻教程，但仍然沒有解決。主頁沒有隱藏在片段的可見性
MainActivity.java
@SuppressLint("NewApi")
public class MainActivity extends Activity {
private DrawerLayout mDrawerLayout;
private ListView mDrawerList;
private ActionBarDrawerToggle mDrawerToggle;
private CharSequence mDrawerTitle;
private CharSequence mTitle;
CustomDrawerAdapter adapter;
List<DrawerItem> dataList;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button btnNextScreen = (Button) findViewById(R.id.button1);
btnNextScreen.setOnClickListener(new View.OnClickListener() {
public void onClick(View arg0) {
Intent nextScreen = new Intent(getApplicationContext(), Layout1.class);
startActivity(nextScreen);
}
});
Button btnNextScreen2 = (Button) findViewById(R.id.button2);
btnNextScreen2.setOnClickListener(new View.OnClickListener() {
public void onClick(View arg0) {
Intent nextScreen = new Intent(getApplicationContext(), Layout2.class);
startActivity(nextScreen);
}
});
// Initializing
dataList = new ArrayList<DrawerItem>();
mTitle = mDrawerTitle = getTitle();
mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
mDrawerList = (ListView) findViewById(R.id.left_drawer);
mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow,
GravityCompat.START);
// Add Drawer Item to dataList
dataList.add(new DrawerItem(true)); // adding a spinner to the list
dataList.add(new DrawerItem("Normal")); // adding a header to the list
dataList.add(new DrawerItem("Sign In", R.drawable.ic_action_email));
dataList.add(new DrawerItem("Promotions",R.drawable.ic_action_good));
dataList.add(new DrawerItem("The Best"));
dataList.add(new DrawerItem("Store",R.drawable.ic_action_search));
dataList.add(new DrawerItem("Dish",R.drawable.ic_action_search));
adapter = new CustomDrawerAdapter(this, R.layout.custom_drawer_item,
dataList);
mDrawerList.setAdapter(adapter);
mDrawerList.setOnItemClickListener(new DrawerItemClickListener());
getActionBar().setDisplayHomeAsUpEnabled(true);
getActionBar().setHomeButtonEnabled(true);
mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout,
R.drawable.ic_drawer, R.string.drawer_open,
R.string.drawer_close) {
public void onDrawerClosed(View view) {
getActionBar().setTitle(mTitle);
invalidateOptionsMenu(); // creates call to
// onPrepareOptionsMenu()
}
public void onDrawerOpened(View drawerView) {
getActionBar().setTitle(mDrawerTitle);
invalidateOptionsMenu(); // creates call to
// onPrepareOptionsMenu()
}
};
mDrawerLayout.setDrawerListener(mDrawerToggle);
if (savedInstanceState == null) {
if (dataList.get(0).isSpinner()
& dataList.get(1).getTitle() != null) {
SelectItem(2);
} else if (dataList.get(0).getTitle() != null) {
SelectItem(1);
} else {
SelectItem(0);
}
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
public void SelectItem(int possition) {
Fragment fragment = null;
Bundle args = new Bundle();
switch (possition) {
case 2:
fragment = new FragmentLayout2();
break;
case 3:
fragment = new FragmentLayout1();
break;
case 4:
fragment = new FragmentTwo();
break;
case 5:
fragment = new FragmentLayout2();
break;
case 6:
fragment = new FragmentLayout1();
break;
default:
break;
}
fragment.setArguments(args);
FragmentManager frgManager = getFragmentManager();
frgManager.beginTransaction().replace(R.id.content_frame, fragment)
.commit();
mDrawerList.setItemChecked(possition, true);
setTitle(dataList.get(possition).getItemName());
mDrawerLayout.closeDrawer(mDrawerList);
}
private class DrawerItemClickListener implements
ListView.OnItemClickListener {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position,
long id) {
if (dataList.get(position).getTitle() == null) {
SelectItem(position);
}
}
}
}
Layout1.java
public class Layout1 extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.layout1);
Button btnClose = (Button) findViewById(R.id.button1);
btnClose.setOnClickListener(new View.OnClickListener() {
public void onClick(View arg0) {
finish();
}
});
}
}
Fragmentlayout1.java
@SuppressLint("NewApi")
public class FragmentLayout1 extends Fragment{
public FragmentLayout1() {
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.layout1, container,
false);
return view;
}
}
activity_main.xml中
<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="tma.sdcbatch11.foodordering.MainActivity" >
<RelativeLayout
android:id="@+id/content_Relative"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<FrameLayout
android:id="@+id/content_frame"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Home page"
android:textAppearance="?android:attr/textAppearanceLarge" />
</FrameLayout>
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_marginLeft="58dp"
android:layout_marginTop="88dp"
android:text="Button to layout 1" />
<Button
android:id="@+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/button1"
android:layout_below="@+id/button1"
android:layout_marginTop="28dp"
android:text="Button to layout 2" />
</RelativeLayout>
<ListView
android:id="@+id/left_drawer"
android:layout_width="240dp"
android:layout_height="match_parent"
android:layout_gravity="start"
android:background="#ffff"
android:choiceMode="singleChoice"
android:divider="@android:color/transparent"
android:dividerHeight="0dp" />
</android.support.v4.widget.DrawerLayout>
我試圖想辦法來解決這個問題，爲4天，但仍然沒有結果，這是該集團的一個項目，其他成員也做了佈局，並與按鍵佈局將它們鏈接。任何人都可以給我一些想法嗎？