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Code Issues Projects Releases Packages Wiki Activity Actions 1

Use callback pattern in Welcome activity/adapter.

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This commit is contained in:
Dmitry Brant 2017-05-26 17:06:03 -04:00
parent 8656098dc5
commit 040789ca2e
2 changed files with 29 additions and 9 deletions
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17
app/src/main/java/fr/free/nrw/commons/WelcomeActivity.java
View file

@ -13,6 +13,7 @@ public class WelcomeActivity extends BaseActivity {
@BindView(R.id.welcomePager) ViewPager pager;
@BindView(R.id.welcomePagerIndicator) CirclePageIndicator indicator;
private WelcomePagerAdapter adapter = new WelcomePagerAdapter();
@Override
public void onCreate(Bundle savedInstanceState) {
@ -24,11 +25,19 @@ public class WelcomeActivity extends BaseActivity {
}
ButterKnife.bind(this);
setUpAdapter();
pager.setAdapter(adapter);
indicator.setViewPager(pager);
adapter.setCallback(new WelcomePagerAdapter.Callback() {
@Override
public void onYesClicked() {
finish();
}
});
}
private void setUpAdapter() {
pager.setAdapter(new WelcomePagerAdapter());
indicator.setViewPager(pager);
@Override
public void onDestroy() {
adapter.setCallback(null);
super.onDestroy();
}
}

21
app/src/main/java/fr/free/nrw/commons/WelcomePagerAdapter.java
View file

@ -1,6 +1,6 @@
package fr.free.nrw.commons;
import android.app.Activity;
import android.support.annotation.Nullable;
import android.support.v4.view.PagerAdapter;
import android.view.LayoutInflater;
import android.view.View;
@ -11,6 +11,11 @@ import butterknife.OnClick;
public class WelcomePagerAdapter extends PagerAdapter {
private static final int PAGE_FINAL = 4;
private Callback callback;
public interface Callback {
void onYesClicked();
}
static final int[] PAGE_LAYOUTS = new int[]{
R.layout.welcome_wikipedia,
@ -20,6 +25,10 @@ public class WelcomePagerAdapter extends PagerAdapter {
R.layout.welcome_final
};
public void setCallback(@Nullable Callback callback) {
this.callback = callback;
}
@Override
public int getCount() {
return PAGE_LAYOUTS.length;
@ -48,14 +57,16 @@ public class WelcomePagerAdapter extends PagerAdapter {
container.removeView((View) obj);
}
public static class ViewHolder {
public ViewHolder(View view) {
class ViewHolder {
ViewHolder(View view) {
ButterKnife.bind(this, view);
}
@OnClick(R.id.welcomeYesButton)
void onClicked(View view) {
((Activity) view.getContext()).finish();
void onClicked() {
if (callback != null) {
callback.onYesClicked();
}
}
}
}