我有3个活动说first_activity，second_activity，third_activity。我使用FrameLayout打开滑块。！
现在我想在所有三项活动上点击按钮时打开滑块。
所以现在就像在测试1中一样，左侧有一个按钮，就像我对所有三个活动一样，所以点击那个我想要打开滑块。
我的滑块代码
public class MainActivity extends Activity {
// Within which the entire activity is enclosed
private DrawerLayout mDrawerLayout;
// ListView represents Navigation Drawer
private ListView mDrawerList;
// ActionBarDrawerToggle indicates the presence of Navigation Drawer in the
// action bar
private ActionBarDrawerToggle mDrawerToggle;
// Title of the action bar
private String mTitle = "";
@SuppressLint("NewApi")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mTitle = "Test App";
getActionBar().setTitle(mTitle);
// Getting reference to the DrawerLayout
mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
mDrawerList = (ListView) findViewById(R.id.drawer_list);
// Getting reference to the ActionBarDrawerToggle
mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout,
R.drawable.ic_drawer, R.string.drawer_open,
R.string.drawer_close) {
/** Called when drawer is closed */
public void onDrawerClosed(View view) {
getActionBar().setTitle(mTitle);
invalidateOptionsMenu();
}
/** Called when a drawer is opened */
public void onDrawerOpened(View drawerView) {
// getActionBar().setTitle("Approval Status");
invalidateOptionsMenu();
}
};
// Setting DrawerToggle on DrawerLayout
mDrawerLayout.setDrawerListener(mDrawerToggle);
// Creating an ArrayAdapter to add items to the listview mDrawerList
ArrayAdapter<String> adapter = new ArrayAdapter<String>(
getBaseContext(), R.layout.drawer_list_item, getResources()
.getStringArray(R.array.menus));
// Setting the adapter on mDrawerList
mDrawerList.setAdapter(adapter);
// Enabling Home button
getActionBar().setHomeButtonEnabled(true);
// Enabling Up navigation
getActionBar().setDisplayHomeAsUpEnabled(true);
// Setting item click listener for the listview mDrawerList
mDrawerList.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
// Getting an array of rivers
String[] menuItems = getResources().getStringArray(
R.array.menus);
// Currently selected river
mTitle = menuItems[position];
// Creating a fragment object
// WebViewFragment rFragment = new WebViewFragment();
//
// // Passing selected item information to fragment
// Bundle data = new Bundle();
// data.putInt("position", position);
// data.putString("url", getUrl(position));
// rFragment.setArguments(data);
//
//
// // Getting reference to the FragmentManager
// FragmentManager fragmentManager = getFragmentManager();
//
// // Creating a fragment transaction
// FragmentTransaction ft = fragmentManager.beginTransaction();
//
// // Adding a fragment to the fragment transaction
// ft.replace(R.id.content_frame, rFragment);
//
// // Committing the transaction
// ft.commit();
// Closing the drawer
mDrawerLayout.closeDrawer(mDrawerList);
}
});
}
protected String getUrl(int position) {
switch (position) {
case 0:
return "";
case 1:
return "";
case 2:
return "";
case 3:
return "";
case 4:
return "";
case 5:
return "";
case 6:
return "";
default:
return "";
}
}
@Override
protected void onPostCreate(Bundle savedInstanceState) {
super.onPostCreate(savedInstanceState);
mDrawerToggle.syncState();
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (mDrawerToggle.onOptionsItemSelected(item)) {
return true;
}
return super.onOptionsItemSelected(item);
}
/** Called whenever we call invalidateOptionsMenu() */
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
// If the drawer is open, hide action items related to the content view
boolean drawerOpen = mDrawerLayout.isDrawerOpen(mDrawerList);
menu.findItem(R.id.action_settings).setVisible(!drawerOpen);
return super.onPrepareOptionsMenu(menu);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
答案 0 :(得分：0)
除非您有该活动的抽屉，否则您无法在其他活动中打开抽屉。
我建议你使用片段。
在决定你的设计之前，我建议你先看一下这个链接
http://developer.android.com/design/patterns/navigation.html
在oncreate
if (savedInstanceState == null){
getUrl(0);
}
在onItemClick致电getUrl(position)
然后在getUrl
protected String getUrl(int position) {
FragmentTransaction fragTran = getFragmentManager()
.beginTransaction();
switch (position) {
case 0:
// make one a Fragment
fragTran.replace(R.id.content_frame, fragment1);
break;
case 1:
// second fragment
fragTran.replace(R.id.content_frame, fragment2);
break
case 2:
// third fragment
fragTran.replace(R.id.content_frame, fragment3);
break;
}
// Commit the transaction and close the drawer
fragTran.commit();
mDrawerList.setItemChecked(position, true);
mDrawerLayout.closeDrawer(drawerList);
}
示例：
public class Fragment1 extends Fragment {
String[] titles={"A","B","C"};
@Override
public View onCreateView(
LayoutInflater inflater,
ViewGroup container,
Bundle savedInstanceState){
View rootView = inflater.inflate(R.layout.fragment1, container, false);
return rootView;
}
}
MainActivity.java
public class MainActivity extends Activity {
// Fields -----------------------------------------------------------------
private DrawerLayout drawerLayout;
private ListView drawerList;
private ActionBarDrawerToggle drawerToggle;
private MenuListAdapter menuAdapter;
private int[] icons;
private Fragment fragment1;
private Fragment fragment2;
private Fragment fragment3;
private CharSequence drawerTitle;
private CharSequence title;
private final String[] titles = new String[]{
"Title Fragment #1",
"Title Fragment #2",
"Title Fragment #3"
};
private final String[] subtitles = new String[]{
"Subtitle Fragment #1",
"Subtitle Fragment #2",
"Subtitle Fragment #3"
};
// Lifecycle Callbacks ----------------------------------------------------
@Override
protected void onCreate(Bundle savedInstanceState) {
// Base implemenation
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// Instantiate the fragments
fragment1 = new Fragment1();
fragment2 = new Fragment2();
fragment3 = new Fragment3();
// Get the title from this activity
title = drawerTitle = getTitle();
// Get the icons from the drawables folder
icons = new int[]{
R.drawable.action_about,
R.drawable.action_settings,
R.drawable.collections_cloud
};
// Get the drawer layout from the XML file and the ListView inside it
drawerLayout = (DrawerLayout)findViewById(R.id.drawer_layout);
drawerList = (ListView)findViewById(R.id.listview_drawer);
// Set a custom shadow over that overlays the main content
// when the drawer opens
drawerLayout.setDrawerShadow(
R.drawable.drawer_shadow, GravityCompat.START);
// Pass the string arrays to the MenuListAdapter, set the drawer
// list adapter to it and set up its click listener
menuAdapter = new MenuListAdapter(
MainActivity.this, titles, subtitles, icons);
drawerList.setAdapter(menuAdapter);
drawerList.setOnItemClickListener(new DrawerItemClickListener());
// Enable the action bar to have up navigation
getActionBar().setHomeButtonEnabled(true);
//getActionBar().setDisplayHomeAsUpEnabled(true);
// Allow the the action bar to toggle the drawer
drawerToggle = new ActionBarDrawerToggle(
this,
drawerLayout,
R.drawable.ic_drawer,
R.string.drawer_open,
R.string.drawer_close){
public void onDrawerClosed(View view){
super.onDrawerClosed(view);
}
public void onDrawerOpened(View view){
getSupportActionBar().setTitle(drawerTitle);
super.onDrawerOpened(view);
}
};
drawerLayout.setDrawerListener(drawerToggle);
// If this is the first time opening this activity,
// start with loading fragment #1
if (savedInstanceState == null){
selectItem(0);
}
}
// Methods ----------------------------------------------------------------
@Override
public boolean onOptionsItemSelected(MenuItem item){
// If the user has pressed the action bar icon
if (item.getItemId() == android.R.id.home){
// If the drawer is open, close it; vice versa
if (drawerLayout.isDrawerOpen(drawerList)){
drawerLayout.closeDrawer(drawerList);
} else {
drawerLayout.openDrawer(drawerList);
}
}
// Finish by letting the super class do the rest
return super.onOptionsItemSelected(item);
}
@Override
protected void onPostCreate(Bundle savedInstanceState){
// Call the super implementation and synchronize the drawer
super.onPostCreate(savedInstanceState);
drawerToggle.syncState();
}
@Override
public void onConfigurationChanged(Configuration newConfig){
// Call the super implemenation on this activity
// and the drawer toggle object
super.onConfigurationChanged(newConfig);
drawerToggle.onConfigurationChanged(newConfig);
}
private void selectItem(int position){
// Create a new fragment transaction and start it
FragmentTransaction fragTran = getFragmentManager()
.beginTransaction();
// Locate the position selected replace the content view
// with the fragment of the number selected
switch (position){
case 0:{
fragTran.replace(R.id.content_frame, fragment1);
break;
}
case 1:{
fragTran.replace(R.id.content_frame, fragment2);
break;
}
case 2:{
fragTran.replace(R.id.content_frame, fragment3);
break;
}
}
// Commit the transaction and close the drawer
fragTran.commit();
drawerList.setItemChecked(position, true);
drawerLayout.closeDrawer(drawerList);
}
public void setTitle(CharSequence title){
// Save the passed in title and set the action bar title
this.title = title;
getActionBar().setTitle(title);
}
// Classes ----------------------------------------------------------------
private class DrawerItemClickListener
implements ListView.OnItemClickListener{
@Override
public void onItemClick(
AdapterView<?> parent,
View view,
int position,
long id) {
// When clicked, select open the appropriate fragment
selectItem(position);
}
}
}
Fragment2.java
public class Fragment2 extends Fragment {
@Override
public View onCreateView(
LayoutInflater inflater,
ViewGroup container,
Bundle savedInstanceState){
View rootView = inflater.inflate(R.layout.fragment2, container, false);
return rootView;
}
}
Fragment3.java
public class Fragment3 extends Fragment {
@Override
public View onCreateView(
LayoutInflater inflater,
ViewGroup container,
Bundle savedInstanceState){
View rootView = inflater.inflate(R.layout.fragment3, container, false);
return rootView;
}
}
activity_main.xml中
<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">
<FrameLayout
android:id="@+id/content_frame"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
<ListView
android:id="@+id/listview_drawer"
android:layout_width="240dp"
android:layout_height="match_parent"
android:layout_gravity="start"
android:background="#111"
android:choiceMode="singleChoice"
android:divider="@android:color/transparent"
android:dividerHeight="0dp"/>
</android.support.v4.widget.DrawerLayout>
drawer_list.xml
<?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/darker_gray"
android:orientation="horizontal"
style="?attr/dropdownListPreferredItemHeight" >
<ImageView
android:id="@+id/icon"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:adjustViewBounds="true"/>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:gravity="center_vertical|left"
android:orientation="vertical">
<TextView
android:id="@+id/title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:ellipsize="end"
android:singleLine="true"
style="?attr/spinnerDropDownItemStyle"/>
<TextView
android:id="@+id/subtitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:ellipsize="end"
android:singleLine="true"
style="?attr/spinnerDropDownItemStyle"/>
</LinearLayout>
</LinearLayout>
拥有framen1.xml，framgent2.xml和fragment3.xml并自定义您想要的方式。