Combine AdapterView with Navigation Drawer

Question

I have a navigation drawer in the MainActivity of my application. In this activity, an AdapterView is set. When I click one of the rows of the adapter, I want a new activity to be opened, but under the same navigation drawer :

searchResultList.setOnItemClickListener(new AdapterView.OnItemClickListener() {
    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
        startActivity(new Intent(MainActivity.this, Details.class));
    }
});

Right now, the new activity (Details) is opened without showing the navigation drawer.

Please show me how to do it, without writing the code of navigation drawer for each activity...

Thanks in advance.

Answer 1

Hey before you look at the answer you should watch this Android dev Summit Video , it will give you a good idea to what to do plus it has a new way of easily achieving a navigational drawer layout. For that you have two options, first and most preferable is to use Fragments instead of your Activities and have one FragmentActivity that has your DrawerLayout and a FrameLayout that will contain the `Fragment' view.

FragmentActivity.java

    <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 main content view -->
<FrameLayout
    android:id="@+id/content_frame"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />
<!-- The navigation drawer -->
<ListView android:id="@+id/left_drawer"
    android:layout_width="240dp"
    android:layout_height="match_parent"
    android:layout_gravity="start"
    android:choiceMode="singleChoice"
    android:divider="@android:color/transparent"
    android:dividerHeight="0dp"
    android:background="#111"/>

Thats what is in the Android documentation for using DrawerLayout you can find it more in details here .

If you are wondering of how you can add Fragments to your Activity in code, here is what you have to do:

      FragmentManager fm = getSupportFragmentManager();
      /*if you are using a FragmentActivity or an AppCompatActivity as
      your super class you'll need to use getSupportFragmentManager 
      method*/
      FragmentTransaction ft = fm.beginTransaction();
      ft.replace(R.id.YOUR_FRAMELAYOUT_ID, fragment, fargmentTag);
      /*Here you should add your frameLayout ID as your first argument
      Thats where your new fragment will reside on the screen its like
      an iframe.
      This will replace the current fragment shown in your frameLayout if any and 
      add the new one*/
      ft.addToBackStack(null);
      /*You can add your fragment to your backstack and assign a String value 
      as its key if you want to get back to it in the future*/
      ft.commit();
      //By commiting you apply the Fragment transaction and start 
      //drawing the Fragment on screen

---

The other option is to have a Parent Activity that has the code and view setup for the DrawerLayout and you extend from that ParentActivity in your Activities . You will also need to use have an parent_activity.xml that will have your DrawerLayout as the main tag and have a ViewStub to add each of your Activity view in it.

parent_activity.xml

<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">
<ViewStub
    android:id="@+id/layout_stub"
    android:inflatedId="@+id/myActivityLayout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"/>

and here what your ParentActivty that you should inherit from should look like:

ParentActivty.java

public class ParentActivity extends AppCompatActivity {

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.parent_activity);
}

public void setUpChildActivityView(int childActivityView){
    ViewStub stub = (ViewStub) findViewById(R.id.layout_stub);
    stub.setLayoutResource(childActivityView);
    View inflated = stub.inflate();
}}

You can call the setUpChildActivtiyView() method from your new Activity to set your content, you can also achieve the same result without using a ViewStub but with inflating and adding your new Activity view to the ParentActivity view using addView() method.

---

Personally i prefer the first option since its the convention that is there in the documentation, but you can do it either way.