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Code Issues Releases Wiki Activity

extract generic LoaderFragment superclass from KeyList

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This commit is contained in:
Vincent Breitmoser 2014-05-08 13:39:59 +02:00
parent 5c747a747f
commit 596478a212
4 changed files with 187 additions and 150 deletions
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71
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListFragment.java
View File

@ -29,7 +29,6 @@ import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.Messenger;
import android.support.v4.app.Fragment;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
@ -45,10 +44,8 @@ import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.animation.AnimationUtils;
import android.widget.AbsListView.MultiChoiceModeListener;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.FrameLayout;
import android.widget.ImageButton;
import android.widget.ImageView;
@ -78,18 +75,13 @@ import se.emilsjolander.stickylistheaders.StickyListHeadersListView;
* Public key list with sticky list headers. It does _not_ extend ListFragment because it uses
* StickyListHeaders library which does not extend upon ListView.
*/
public class KeyListFragment extends Fragment
public class KeyListFragment extends LoaderFragment
implements SearchView.OnQueryTextListener, AdapterView.OnItemClickListener,
LoaderManager.LoaderCallbacks<Cursor> {
private KeyListAdapter mAdapter;
private StickyListHeadersListView mStickyList;
// rebuild functionality of ListFragment, http://stackoverflow.com/a/12504097
boolean mListShown;
View mProgressContainer;
View mListContainer;
private String mCurQuery;
private SearchView mSearchView;
// empty list layout
@ -101,14 +93,15 @@ public class KeyListFragment extends Fragment
* Load custom layout with StickyListView from library
*/
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View root = inflater.inflate(R.layout.key_list_fragment, container, false);
public View onCreateView(LayoutInflater inflater, ViewGroup superContainer, Bundle savedInstanceState) {
View root = super.onCreateView(inflater, superContainer, savedInstanceState);
View view = inflater.inflate(R.layout.key_list_fragment, getContainer());
mStickyList = (StickyListHeadersListView) root.findViewById(R.id.key_list_list);
mStickyList = (StickyListHeadersListView) view.findViewById(R.id.key_list_list);
mStickyList.setOnItemClickListener(this);
// empty view
mButtonEmptyCreate = (BootstrapButton) root.findViewById(R.id.key_list_empty_button_create);
mButtonEmptyCreate = (BootstrapButton) view.findViewById(R.id.key_list_empty_button_create);
mButtonEmptyCreate.setOnClickListener(new OnClickListener() {
@Override
@ -120,7 +113,7 @@ public class KeyListFragment extends Fragment
startActivityForResult(intent, 0);
}
});
mButtonEmptyImport = (BootstrapButton) root.findViewById(R.id.key_list_empty_button_import);
mButtonEmptyImport = (BootstrapButton) view.findViewById(R.id.key_list_empty_button_import);
mButtonEmptyImport.setOnClickListener(new OnClickListener() {
@Override
@ -131,11 +124,6 @@ public class KeyListFragment extends Fragment
}
});
// rebuild functionality of ListFragment, http://stackoverflow.com/a/12504097
mListContainer = root.findViewById(R.id.key_list_list_container);
mProgressContainer = root.findViewById(R.id.key_list_progress_container);
mListShown = true;
return root;
}
@ -234,9 +222,8 @@ public class KeyListFragment extends Fragment
// We have a menu item to show in action bar.
setHasOptionsMenu(true);
// NOTE: Not supported by StickyListHeader, but reimplemented here
// Start out with a progress indicator.
setListShown(false);
setContentShown(false);
// Create an empty adapter we will use to display the loaded data.
mAdapter = new KeyListAdapter(getActivity(), null, 0);
@ -298,12 +285,11 @@ public class KeyListFragment extends Fragment
// this view is made visible if no data is available
mStickyList.setEmptyView(getActivity().findViewById(R.id.key_list_empty));
// NOTE: Not supported by StickyListHeader, but reimplemented here
// The list should now be shown.
if (isResumed()) {
setListShown(true);
setContentShown(true);
} else {
setListShownNoAnimation(true);
setContentShownNoAnimation(true);
}
}
@ -418,43 +404,6 @@ public class KeyListFragment extends Fragment
return true;
}
// rebuild functionality of ListFragment, http://stackoverflow.com/a/12504097
public void setListShown(boolean shown, boolean animate) {
if (mListShown == shown) {
return;
}
mListShown = shown;
if (shown) {
if (animate) {
mProgressContainer.startAnimation(AnimationUtils.loadAnimation(
getActivity(), android.R.anim.fade_out));
mListContainer.startAnimation(AnimationUtils.loadAnimation(
getActivity(), android.R.anim.fade_in));
}
mProgressContainer.setVisibility(View.GONE);
mListContainer.setVisibility(View.VISIBLE);
} else {
if (animate) {
mProgressContainer.startAnimation(AnimationUtils.loadAnimation(
getActivity(), android.R.anim.fade_in));
mListContainer.startAnimation(AnimationUtils.loadAnimation(
getActivity(), android.R.anim.fade_out));
}
mProgressContainer.setVisibility(View.VISIBLE);
mListContainer.setVisibility(View.INVISIBLE);
}
}
// rebuild functionality of ListFragment, http://stackoverflow.com/a/12504097
public void setListShown(boolean shown) {
setListShown(shown, true);
}
// rebuild functionality of ListFragment, http://stackoverflow.com/a/12504097
public void setListShownNoAnimation(boolean shown) {
setListShown(shown, false);
}
/**
* Implements StickyListHeadersAdapter from library
*/

78
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/LoaderFragment.java Normal file
View File

@ -0,0 +1,78 @@
package org.sufficientlysecure.keychain.ui;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.AnimationUtils;
import org.sufficientlysecure.keychain.R;
/** This is a fragment helper class, which implements a generic
* progressbar/container view.
*
* To use it in a fragment, simply subclass, use onCreateView to create the
* layout's root view, and ues getContainer() as root view of your subclass.
* The layout shows a progress bar by default, and can be switched to the
* actual contents by calling setContentShown().
*
*/
public class LoaderFragment extends Fragment {
private boolean mContentShown;
private View mProgressContainer;
private ViewGroup mContainer;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View root = inflater.inflate(R.layout.loader_layout, container, false);
mContentShown = true;
mContainer = (ViewGroup) root.findViewById(R.id.loader_container);
mProgressContainer = root.findViewById(R.id.loader_progress);
// content is not shown (by visibility statuses in the layout files)
mContentShown = false;
return root;
}
protected ViewGroup getContainer() {
return mContainer;
}
public void setContentShown(boolean shown, boolean animate) {
if (mContentShown == shown) {
return;
}
mContentShown = shown;
if (shown) {
if (animate) {
mProgressContainer.startAnimation(AnimationUtils.loadAnimation(
getActivity(), android.R.anim.fade_out));
mContainer.startAnimation(AnimationUtils.loadAnimation(
getActivity(), android.R.anim.fade_in));
}
mProgressContainer.setVisibility(View.GONE);
mContainer.setVisibility(View.VISIBLE);
} else {
if (animate) {
mProgressContainer.startAnimation(AnimationUtils.loadAnimation(
getActivity(), android.R.anim.fade_in));
mContainer.startAnimation(AnimationUtils.loadAnimation(
getActivity(), android.R.anim.fade_out));
}
mProgressContainer.setVisibility(View.VISIBLE);
mContainer.setVisibility(View.INVISIBLE);
}
}
public void setContentShown(boolean shown) {
setContentShown(shown, true);
}
public void setContentShownNoAnimation(boolean shown) {
setContentShown(shown, false);
}
}

149
OpenKeychain/src/main/res/layout/key_list_fragment.xml
View File

@ -6,103 +6,74 @@
android:orientation="vertical">
<!--rebuild functionality of ListFragment -->
<LinearLayout
android:id="@+id/key_list_progress_container"
android:orientation="vertical"
<se.emilsjolander.stickylistheaders.StickyListHeadersListView
android:id="@+id/key_list_list"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:visibility="visible"
android:gravity="center">
android:clipToPadding="false"
android:drawSelectorOnTop="true"
android:fastScrollEnabled="true"
android:paddingBottom="16dp"
android:paddingLeft="16dp"
android:paddingRight="32dp"
android:scrollbarStyle="outsideOverlay" />
<ProgressBar
style="?android:attr/progressBarStyleLarge"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<LinearLayout
android:id="@+id/key_list_empty"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:orientation="vertical"
android:visibility="visible">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceSmall"
android:text=""
android:paddingTop="4dip"
android:singleLine="true" />
android:gravity="center"
android:text="@string/key_list_empty_text1"
android:textAppearance="?android:attr/textAppearanceLarge" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center"
android:text=""
android:textAppearance="?android:attr/textAppearanceLarge" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="4dp"
android:gravity="center"
android:text="@string/key_list_empty_text2"
android:textAppearance="?android:attr/textAppearanceSmall" />
<com.beardedhen.androidbootstrap.BootstrapButton
android:id="@+id/key_list_empty_button_create"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="4dp"
android:text="@string/key_list_empty_button_create"
bootstrapbutton:bb_icon_left="fa-plus"
bootstrapbutton:bb_type="default" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="4dp"
android:gravity="center"
android:text="@string/key_list_empty_text3"
android:textAppearance="?android:attr/textAppearanceSmall" />
<com.beardedhen.androidbootstrap.BootstrapButton
android:id="@+id/key_list_empty_button_import"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="4dp"
android:text="@string/key_list_empty_button_import"
bootstrapbutton:bb_icon_left="fa-download"
bootstrapbutton:bb_type="default" />
</LinearLayout>
<FrameLayout
android:id="@+id/key_list_list_container"
android:layout_width="match_parent"
android:layout_height="match_parent">
<se.emilsjolander.stickylistheaders.StickyListHeadersListView
android:id="@+id/key_list_list"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:clipToPadding="false"
android:drawSelectorOnTop="true"
android:fastScrollEnabled="true"
android:paddingBottom="16dp"
android:paddingLeft="16dp"
android:paddingRight="32dp"
android:scrollbarStyle="outsideOverlay" />
<LinearLayout
android:id="@+id/key_list_empty"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:orientation="vertical"
android:visibility="gone">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center"
android:text="@string/key_list_empty_text1"
android:textAppearance="?android:attr/textAppearanceLarge" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center"
android:text=""
android:textAppearance="?android:attr/textAppearanceLarge" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="4dp"
android:gravity="center"
android:text="@string/key_list_empty_text2"
android:textAppearance="?android:attr/textAppearanceSmall" />
<com.beardedhen.androidbootstrap.BootstrapButton
android:id="@+id/key_list_empty_button_create"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="4dp"
android:text="@string/key_list_empty_button_create"
bootstrapbutton:bb_icon_left="fa-plus"
bootstrapbutton:bb_type="default" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="4dp"
android:gravity="center"
android:text="@string/key_list_empty_text3"
android:textAppearance="?android:attr/textAppearanceSmall" />
<com.beardedhen.androidbootstrap.BootstrapButton
android:id="@+id/key_list_empty_button_import"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="4dp"
android:text="@string/key_list_empty_button_import"
bootstrapbutton:bb_icon_left="fa-download"
bootstrapbutton:bb_type="default" />
</LinearLayout>
</FrameLayout>
</FrameLayout>

39
OpenKeychain/src/main/res/layout/loader_layout.xml Normal file
View File

@ -0,0 +1,39 @@
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:bootstrapbutton="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<!--rebuild functionality of ListFragment -->
<LinearLayout
android:id="@+id/loader_progress"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center">
<ProgressBar
style="?android:attr/progressBarStyleLarge"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceSmall"
android:text=""
android:paddingTop="4dip"
android:singleLine="true" />
</LinearLayout>
<FrameLayout
android:id="@+id/loader_container"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:visibility="gone">
</FrameLayout>
</FrameLayout>