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Revert "Failed adding of auto-generated fragment based activity"

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This reverts commit 72670bc65b.
This commit is contained in:
Graham Jones
2023-08-30 20:52:52 +01:00
parent 8c40afaab3
commit 328dfedcbe
14 changed files with 5 additions and 299 deletions
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45
app/src/main/java/uk/org/openseizuredetector/MainActivity2.java
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@@ -1,45 +0,0 @@
package uk.org.openseizuredetector;
import android.os.Bundle;
import com.google.android.material.floatingactionbutton.FloatingActionButton;
import com.google.android.material.snackbar.Snackbar;
import com.google.android.material.tabs.TabLayout;
import androidx.viewpager.widget.ViewPager;
import androidx.appcompat.app.AppCompatActivity;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import uk.org.openseizuredetector.ui.main.SectionsPagerAdapter;
import uk.org.openseizuredetector.databinding.ActivityMainBinding;
public class MainActivity2 extends AppCompatActivity {
private ActivityMainBinding binding;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
binding = ActivityMainBinding.inflate(getLayoutInflater());
setContentView(binding.getRoot());
SectionsPagerAdapter sectionsPagerAdapter = new SectionsPagerAdapter(this, getSupportFragmentManager());
ViewPager viewPager = binding.viewPager;
viewPager.setAdapter(sectionsPagerAdapter);
TabLayout tabs = binding.tabs;
tabs.setupWithViewPager(viewPager);
FloatingActionButton fab = binding.fab;
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
.setAction("Action", null).show();
}
});
}
}

26
app/src/main/java/uk/org/openseizuredetector/ui/main/PageViewModel.java
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@@ -1,26 +0,0 @@
package uk.org.openseizuredetector.ui.main;
import androidx.arch.core.util.Function;
import androidx.lifecycle.LiveData;
import androidx.lifecycle.MutableLiveData;
import androidx.lifecycle.Transformations;
import androidx.lifecycle.ViewModel;
public class PageViewModel extends ViewModel {
private MutableLiveData<Integer> mIndex = new MutableLiveData<>();
private LiveData<String> mText = Transformations.map(mIndex, new Function<Integer, String>() {
@Override
public String apply(Integer input) {
return "Hello world from section: " + input;
}
});
public void setIndex(int index) {
mIndex.setValue(index);
}
public LiveData<String> getText() {
return mText;
}
}

70
app/src/main/java/uk/org/openseizuredetector/ui/main/PlaceholderFragment.java
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@@ -1,70 +0,0 @@
package uk.org.openseizuredetector.ui.main;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import androidx.annotation.Nullable;
import androidx.annotation.NonNull;
import androidx.fragment.app.Fragment;
import androidx.lifecycle.Observer;
import androidx.lifecycle.ViewModelProvider;
import uk.org.openseizuredetector.R;
import uk.org.openseizuredetector.databinding.FragmentMainBinding;
/**
* A placeholder fragment containing a simple view.
*/
public class PlaceholderFragment extends Fragment {
private static final String ARG_SECTION_NUMBER = "section_number";
private PageViewModel pageViewModel;
private FragmentMainBinding binding;
public static PlaceholderFragment newInstance(int index) {
PlaceholderFragment fragment = new PlaceholderFragment();
Bundle bundle = new Bundle();
bundle.putInt(ARG_SECTION_NUMBER, index);
fragment.setArguments(bundle);
return fragment;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
pageViewModel = new ViewModelProvider(this).get(PageViewModel.class);
int index = 1;
if (getArguments() != null) {
index = getArguments().getInt(ARG_SECTION_NUMBER);
}
pageViewModel.setIndex(index);
}
@Override
public View onCreateView(
@NonNull LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
binding = FragmentMainBinding.inflate(inflater, container, false);
View root = binding.getRoot();
final TextView textView = binding.sectionLabel;
pageViewModel.getText().observe(getViewLifecycleOwner(), new Observer<String>() {
@Override
public void onChanged(@Nullable String s) {
textView.setText(s);
}
});
return root;
}
@Override
public void onDestroyView() {
super.onDestroyView();
binding = null;
}
}

46
app/src/main/java/uk/org/openseizuredetector/ui/main/SectionsPagerAdapter.java
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@@ -1,46 +0,0 @@
package uk.org.openseizuredetector.ui.main;
import android.content.Context;
import androidx.annotation.Nullable;
import androidx.annotation.StringRes;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentManager;
import androidx.fragment.app.FragmentPagerAdapter;
import uk.org.openseizuredetector.R;
/**
* A [FragmentPagerAdapter] that returns a fragment corresponding to
* one of the sections/tabs/pages.
*/
public class SectionsPagerAdapter extends FragmentPagerAdapter {
@StringRes
private static final int[] TAB_TITLES = new int[]{R.string.tab_text_1, R.string.tab_text_2};
private final Context mContext;
public SectionsPagerAdapter(Context context, FragmentManager fm) {
super(fm);
mContext = context;
}
@Override
public Fragment getItem(int position) {
// getItem is called to instantiate the fragment for the given page.
// Return a PlaceholderFragment.
return PlaceholderFragment.newInstance(position + 1);
}
@Nullable
@Override
public CharSequence getPageTitle(int position) {
return mContext.getResources().getString(TAB_TITLES[position]);
}
@Override
public int getCount() {
// Show 2 total pages.
return 2;
}
}