Adding the same context menu to multiple activities
I'm trying to figure out how to include common pieces of code in multiple activities.
More specifically, I have a context menu that I would like to include in several activities. I saw this, but just don't understand how to extend to multiple activities. http://developer.android.com/guide/topics/ui/menus.html
I have this set up as Menu.java
public class Menu extends Activity{
// bottom menus
public static final int Menu1 = 1;
public static final int Menu2 = 2;
public static final int Menu3 = 3;
public static final int Menu4 = 4;
public static final int Menu5 = 5;
public static final int Menu6 = 6;
public static final int Menu7 = 7;
// / Creates the menu items
public boolean onCreateOptionsMenu(Menu menu) {
menu.add(0, Menu3, 0, "Create Profile").setIcon(
this.getResources().getDrawable(R.drawable.ic_menu_add));
menu.add(0, Menu5, 0, "Log In").setIcon(
this.getResources().getDrawable(R.drawable.ic_menu_login));
menu.add(0, Menu2, 0, "Settings").setIcon(
this.getResources().getDr开发者_StackOverflowawable(R.drawable.ic_menu_preferences));
menu.add(0, Menu4, 0, "About").setIcon(
this.getResources().getDrawable(R.drawable.ic_menu_help));
menu.add(0, Menu1, 0, "Report A Bug").setIcon(
this.getResources().getDrawable(R.drawable.ic_menu_start_conversation));
menu.add(0, Menu6, 0, "New Stuff").setIcon(
this.getResources().getDrawable(R.drawable.ic_menu_view));
return true;
}
private MenuItem add(int i, int menu32, int j, String string) {
// TODO Auto-generated method stub
return null;
}
// Handles item selections from preference menu
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case Menu1:
startActivity(new Intent(this, Bug.class));
return true;
case Menu2:
startActivity(new Intent(this, EditPreferences.class));
return true;
case Menu3:
startActivity(new Intent(this, CreateAccount.class));
return true;
case Menu4:
startActivity(new Intent(this, About.class));
return true;
case Menu5:
startActivity(new Intent(this, Login.class));
return true;
case Menu6:
startActivity(new Intent(this, NewAdditions.class));
return true;
}
return false;
}
}
if you want to add same functionality in more than 1 activity than create 1 common activity like BaseActivity and extend that activity will include that common functions in your inherited all activities
for example i have called checklogin function , you can put your menu code here,
public class BaseActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
settings = getSharedPreferences(PREFS_NAME, 0);
if (IsFullScreen) {
requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
}
this.CheckLogin();
}
// Check login function
// Your menu code
}
now you can extend it in your activities
public class MainScreen extends BaseActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
this.setContentView(R.layout.mainscreen);
}
}
You can define a menu in an xml file and then load the menu in onCreateOptionsMenu. You will still need to handle each menu item in each activity. You could also create a BaseActivity class that handles the menu stuff that each Activity could extend.
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<item android:id="@+id/about" android:title="About"
android:icon="@drawable/ic_menu_about"/>
<item android:id="@+id/search"
android:icon="@drawable/ic_menu_search" android:title="Search"></item>
<item android:id="@+id/my_location"
android:title="My Location"
android:icon="@drawable/ic_menu_mylocation">
</item>
</menu>
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.options_menu, menu);
return super.onCreateOptionsMenu(menu);
}
Try to use a abstract
class
abstract class BaseMenu extends Activity
{
//Initialize your menus
// bottom menus
public static final int Menu1 = 1;
public static final int Menu2 = 2;
public static final int Menu3 = 3;
public static final int Menu4 = 4;
public static final int Menu5 = 5;
public static final int Menu6 = 6;
public static final int Menu7 = 7;
// / Creates the menu items
public boolean onCreateOptionsMenu(Menu menu) {
menu.add(0, Menu3, 0, "Create Profile").setIcon(
this.getResources().getDrawable(R.drawable.ic_menu_add));
menu.add(0, Menu5, 0, "Log In").setIcon(
this.getResources().getDrawable(R.drawable.ic_menu_login));
menu.add(0, Menu2, 0, "Settings").setIcon(
this.getResources().getDrawable(R.drawable.ic_menu_preferences));
menu.add(0, Menu4, 0, "About").setIcon(
this.getResources().getDrawable(R.drawable.ic_menu_help));
menu.add(0, Menu1, 0, "Report A Bug").setIcon(
this.getResources().getDrawable(R.drawable.ic_menu_start_conversation));
menu.add(0, Menu6, 0, "New Stuff").setIcon(
this.getResources().getDrawable(R.drawable.ic_menu_view));
return true;
}
private MenuItem add(int i, int menu32, int j, String string) {
// TODO Auto-generated method stub
return null;
}
// Handles item selections from preference menu
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case Menu1:
startActivity(new Intent(this, Bug.class));
return true;
case Menu2:
startActivity(new Intent(this, EditPreferences.class));
return true;
case Menu3:
startActivity(new Intent(this, CreateAccount.class));
return true;
case Menu4:
startActivity(new Intent(this, About.class));
return true;
case Menu5:
startActivity(new Intent(this, Login.class));
return true;
case Menu6:
startActivity(new Intent(this, NewAdditions.class));
return true;
}
return false;
}}
Now extend the class BaseMenu
instead of Activity
I Think this could help you out.
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