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ProfileActivity: Replace fragments instead of hiding

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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Samuel Holland
2017-08-09 05:12:00 -05:00
parent 2e3daa8913
commit 52cdf3e7e5
11 changed files with 149 additions and 106 deletions
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app/src/main/java/com/wireguard/android/PlaceholderFragment.java
+18
View File
@@ -0,0 +1,18 @@
package com.wireguard.android;
import android.app.Fragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
/**
* Fragment that shows a placeholder message.
*/
public class PlaceholderFragment extends Fragment {
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup parent, Bundle savedInstanceState) {
return inflater.inflate(R.layout.placeholder_fragment, parent, false);
}
}
app/src/main/java/com/wireguard/android/ProfileActivity.java
+2 -1
View File
@@ -8,10 +8,11 @@ import android.view.MenuItem;
* Base class for activities that use ProfileListFragment and ProfileDetailFragment.
*/
class ProfileActivity extends ServiceClientActivity<ProfileServiceInterface> {
abstract class ProfileActivity extends ServiceClientActivity<ProfileServiceInterface> {
public static final String KEY_PROFILE_NAME = "profile_name";
protected static final String TAG_DETAIL = "detail";
protected static final String TAG_LIST = "list";
protected static final String TAG_PLACEHOLDER = "placeholder";
private String currentProfile;
app/src/main/java/com/wireguard/android/ProfileDetailActivity.java
+19
View File
@@ -0,0 +1,19 @@
package com.wireguard.android;
import android.app.Fragment;
import android.os.Bundle;
/**
* Activity that allows viewing information about a single WireGuard profile.
*/
public class ProfileDetailActivity extends ProfileActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.profile_detail_activity);
setTitle(getCurrentProfile());
Fragment detailFragment = getFragmentManager().findFragmentByTag(TAG_DETAIL);
((ProfileDetailFragment) detailFragment).setProfile(getCurrentProfile());
}
}
app/src/main/java/com/wireguard/android/ProfileListActivity.java
+36 -38
View File
@@ -1,9 +1,8 @@
package com.wireguard.android;
import android.app.Fragment;
import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.content.res.Configuration;
import android.content.Intent;
import android.os.Bundle;
/**
@@ -13,56 +12,55 @@ import android.os.Bundle;
public class ProfileListActivity extends ProfileActivity {
private boolean isSplitLayout;
@Override
public void onBackPressed() {
final FragmentManager fm = getFragmentManager();
if (fm.getBackStackEntryCount() > 0) {
fm.popBackStack();
} else {
super.onBackPressed();
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Set up the base layout and fill it with fragments.
setContentView(R.layout.profile_list_activity);
final int orientation = getResources().getConfiguration().orientation;
isSplitLayout = orientation == Configuration.ORIENTATION_LANDSCAPE;
updateLayout(getCurrentProfile());
isSplitLayout = findViewById(R.id.fragment_container) != null;
if (!isSplitLayout) {
// Avoid ProfileDetailFragment adding its menu when it is not in the view hierarchy.
final Fragment fragment = getFragmentManager().findFragmentByTag(TAG_DETAIL);
if (fragment != null) {
final FragmentTransaction transaction = getFragmentManager().beginTransaction();
transaction.remove(fragment);
transaction.commit();
}
}
onProfileSelected(getCurrentProfile());
}
public void onProfileSelected(String profile) {
updateLayout(profile);
setCurrentProfile(profile);
if (isSplitLayout) {
updateLayout(profile);
setCurrentProfile(profile);
} else if (profile != null) {
final Intent intent = new Intent(this, ProfileDetailActivity.class);
intent.putExtra(KEY_PROFILE_NAME, profile);
startActivity(intent);
setCurrentProfile(null);
}
}
private void updateLayout(String profile) {
final FragmentManager fm = getFragmentManager();
final Fragment detailFragment = fm.findFragmentByTag(TAG_DETAIL);
final Fragment listFragment = fm.findFragmentByTag(TAG_LIST);
final FragmentTransaction transaction = fm.beginTransaction();
public void updateLayout(String profile) {
final Fragment fragment = getFragmentManager().findFragmentById(R.id.fragment_container);
if (profile != null) {
if (isSplitLayout) {
if (listFragment.isHidden())
transaction.show(listFragment);
if (fragment instanceof ProfileDetailFragment) {
final ProfileDetailFragment detailFragment = (ProfileDetailFragment) fragment;
detailFragment.setProfile(profile);
} else {
transaction.hide(listFragment);
final ProfileDetailFragment detailFragment = new ProfileDetailFragment();
detailFragment.setProfile(profile);
final FragmentTransaction transaction = getFragmentManager().beginTransaction();
transaction.replace(R.id.fragment_container, detailFragment, TAG_DETAIL);
transaction.commit();
}
if (detailFragment.isHidden())
transaction.show(detailFragment);
} else {
if (isSplitLayout) {
if (detailFragment.isHidden())
transaction.show(detailFragment);
} else {
transaction.hide(detailFragment);
if (!(fragment instanceof PlaceholderFragment)) {
final PlaceholderFragment placeholderFragment = new PlaceholderFragment();
final FragmentTransaction transaction = getFragmentManager().beginTransaction();
transaction.replace(R.id.fragment_container, placeholderFragment, TAG_PLACEHOLDER);
transaction.commit();
}
if (listFragment.isHidden())
transaction.show(listFragment);
}
transaction.commit();
((ProfileDetailFragment) detailFragment).setProfile(profile);
}
}