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maxmemaxme
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Move pull to refresh to Utils
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‎WordPressUtils/build.gradle‎

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@@ -13,11 +13,15 @@ apply plugin: 'maven'
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repositories {
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mavenCentral()
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maven { url 'http://wordpress-mobile.github.io/WordPress-Android' }
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}
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dependencies {
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compile 'commons-lang:commons-lang:2.6'
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compile 'com.mcxiaoke.volley:library:1.0.+'
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compile 'com.github.castorflex.smoothprogressbar:library:0.4.0'
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compile 'org.wordpress:pulltorefresh-main:+@aar' // org.wordpress version includes some fixes
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compile 'com.android.support:support-v13:19.0.+'
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}
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android {

‎WordPressUtils/src/main/java/org/wordpress/android/util/ptr/PullToRefreshHeaderTransformer.java‎

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package org.wordpress.android.util.ptr;
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import android.animation.AnimatorSet;
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import android.animation.ObjectAnimator;
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import android.app.Activity;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.animation.Animation;
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import org.wordpress.android.util.R;
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import uk.co.senab.actionbarpulltorefresh.library.DefaultHeaderTransformer;
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import uk.co.senab.actionbarpulltorefresh.library.sdk.Compat;
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public class PullToRefreshHeaderTransformer extends DefaultHeaderTransformer {
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private View mHeaderView;
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private ViewGroup mContentLayout;
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private long mAnimationDuration;
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private boolean mShowProgressBarOnly;
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private Animation mHeaderOutAnimation;
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private OnTopScrollChangedListener mOnTopScrollChangedListener;
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public interface OnTopScrollChangedListener {
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public void onTopScrollChanged(boolean scrolledOnTop);
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}
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public void setShowProgressBarOnly(boolean progressBarOnly) {
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mShowProgressBarOnly = progressBarOnly;
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}
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@Override
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public void onViewCreated(Activity activity, View headerView) {
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super.onViewCreated(activity, headerView);
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mHeaderView = headerView;
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mContentLayout = (ViewGroup) headerView.findViewById(R.id.ptr_content);
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mAnimationDuration = activity.getResources().getInteger(android.R.integer.config_shortAnimTime);
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}
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@Override
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public boolean hideHeaderView() {
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mShowProgressBarOnly = false;
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return super.hideHeaderView();
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}
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@Override
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public boolean showHeaderView() {
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// Workaround to avoid this bug https://github.com/chrisbanes/ActionBar-PullToRefresh/issues/265
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// Note, that also remove the alpha animation
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resetContentLayoutAlpha();
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boolean changeVis = mHeaderView.getVisibility() != View.VISIBLE;
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mContentLayout.setVisibility(View.VISIBLE);
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if (changeVis) {
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mHeaderView.setVisibility(View.VISIBLE);
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AnimatorSet animSet = new AnimatorSet();
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ObjectAnimator alphaAnim = ObjectAnimator.ofFloat(mHeaderView, "alpha", 0f, 1f);
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ObjectAnimator transAnim = ObjectAnimator.ofFloat(mContentLayout, "translationY",
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-mContentLayout.getHeight(), 10f);
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animSet.playTogether(transAnim, alphaAnim);
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animSet.play(alphaAnim);
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animSet.setDuration(mAnimationDuration);
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animSet.start();
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if (mShowProgressBarOnly) {
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mContentLayout.setVisibility(View.INVISIBLE);
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}
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}
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return changeVis;
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}
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@Override
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public void onPulled(float percentagePulled) {
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super.onPulled(percentagePulled);
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}
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private void resetContentLayoutAlpha() {
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Compat.setAlpha(mContentLayout, 1f);
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}
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@Override
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public void onReset() {
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super.onReset();
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// Reset the Content Layout
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if (mContentLayout != null) {
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Compat.setAlpha(mContentLayout, 1f);
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mContentLayout.setVisibility(View.VISIBLE);
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}
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}
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@Override
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public void onTopScrollChanged(boolean scrolledOnTop) {
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if (mOnTopScrollChangedListener != null) {
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mOnTopScrollChangedListener.onTopScrollChanged(scrolledOnTop);
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}
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}
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public void setOnTopScrollChangedListener(OnTopScrollChangedListener listener) {
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mOnTopScrollChangedListener = listener;
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}
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}

‎WordPressUtils/src/main/java/org/wordpress/android/util/ptr/PullToRefreshHelper.java‎

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package org.wordpress.android.util.ptr;
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import android.app.Activity;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.content.SharedPreferences;
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import android.content.SharedPreferences.Editor;
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import android.preference.PreferenceManager;
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import android.support.v4.content.LocalBroadcastManager;
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import android.view.View;
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import org.wordpress.android.util.R;
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import org.wordpress.android.util.ToastUtils;
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import org.wordpress.android.util.ToastUtils.Duration;
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import java.lang.ref.WeakReference;
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import java.util.Arrays;
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import java.util.HashSet;
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import java.util.Set;
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import uk.co.senab.actionbarpulltorefresh.library.ActionBarPullToRefresh;
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import uk.co.senab.actionbarpulltorefresh.library.ActionBarPullToRefresh.SetupWizard;
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import uk.co.senab.actionbarpulltorefresh.library.Options;
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import uk.co.senab.actionbarpulltorefresh.library.PullToRefreshLayout;
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import uk.co.senab.actionbarpulltorefresh.library.listeners.OnRefreshListener;
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import uk.co.senab.actionbarpulltorefresh.library.viewdelegates.ViewDelegate;
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public class PullToRefreshHelper implements OnRefreshListener {
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public static final String BROADCAST_ACTION_REFRESH_MENU_PRESSED = "REFRESH_MENU_PRESSED";
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private static final String REFRESH_BUTTON_HIT_COUNT = "REFRESH_BUTTON_HIT_COUNT";
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private static final Set<Integer> TOAST_FREQUENCY = new HashSet<Integer>(Arrays.asList(1, 5, 10, 20, 40, 80, 160,
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320, 640));
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private PullToRefreshHeaderTransformer mHeaderTransformer;
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private PullToRefreshLayout mPullToRefreshLayout;
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private RefreshListener mRefreshListener;
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private WeakReference<Activity> mActivityRef;
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public PullToRefreshHelper(Activity activity, PullToRefreshLayout pullToRefreshLayout, RefreshListener listener) {
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init(activity, pullToRefreshLayout, listener, null);
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}
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public PullToRefreshHelper(Activity activity, PullToRefreshLayout pullToRefreshLayout, RefreshListener listener,
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java.lang.Class<?> viewClass) {
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init(activity, pullToRefreshLayout, listener, viewClass);
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}
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public void init(Activity activity, PullToRefreshLayout pullToRefreshLayout, RefreshListener listener,
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java.lang.Class<?> viewClass) {
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mActivityRef = new WeakReference<Activity>(activity);
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mRefreshListener = listener;
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mPullToRefreshLayout = pullToRefreshLayout;
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mHeaderTransformer = new PullToRefreshHeaderTransformer();
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SetupWizard setupWizard = ActionBarPullToRefresh.from(activity).options(Options.create().headerTransformer(
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mHeaderTransformer).build()).allChildrenArePullable().listener(this);
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if (viewClass != null) {
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setupWizard.useViewDelegate(viewClass, new ViewDelegate() {
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@Override
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public boolean isReadyForPull(View view, float v, float v2) {
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return true;
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}
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}
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);
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}
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setupWizard.setup(mPullToRefreshLayout);
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}
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public void setRefreshing(boolean refreshing) {
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mHeaderTransformer.setShowProgressBarOnly(refreshing);
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mPullToRefreshLayout.setRefreshing(refreshing);
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}
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public boolean isRefreshing() {
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return mPullToRefreshLayout.isRefreshing();
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}
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@Override
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public void onRefreshStarted(View view) {
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mRefreshListener.onRefreshStarted(view);
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}
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public interface RefreshListener {
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public void onRefreshStarted(View view);
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}
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public void setEnabled(boolean enabled) {
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mPullToRefreshLayout.setEnabled(enabled);
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}
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public void refreshAction() {
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Activity activity = mActivityRef.get();
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if (activity == null) {
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return;
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}
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setRefreshing(true);
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mRefreshListener.onRefreshStarted(mPullToRefreshLayout);
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SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(activity);
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int refreshHits = preferences.getInt(REFRESH_BUTTON_HIT_COUNT, 0);
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refreshHits += 1;
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if (TOAST_FREQUENCY.contains(refreshHits)) {
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ToastUtils.showToast(activity, R.string.ptr_tip_message, Duration.LONG);
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}
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Editor editor = preferences.edit();
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editor.putInt(REFRESH_BUTTON_HIT_COUNT, refreshHits);
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editor.commit();
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}
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public void registerReceiver(Context context) {
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if (context == null) {
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return;
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}
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IntentFilter filter = new IntentFilter();
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filter.addAction(BROADCAST_ACTION_REFRESH_MENU_PRESSED);
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LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(context);
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lbm.registerReceiver(mReceiver, filter);
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}
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public void unregisterReceiver(Context context) {
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if (context == null) {
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return;
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}
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try {
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LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(context);
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lbm.unregisterReceiver(mReceiver);
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} catch (IllegalArgumentException e) {
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// exception occurs if receiver already unregistered (safe to ignore)
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}
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}
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private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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if (intent == null || intent.getAction() == null) {
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return;
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}
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if (intent.getAction().equals(BROADCAST_ACTION_REFRESH_MENU_PRESSED)) {
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refreshAction();
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}
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}
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};
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}

‎WordPressUtils/src/main/res/values/strings.xml‎

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<?xml version="1.0" encoding="utf-8"?>
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<resources>
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<string name="ptr_tip_message">Tip: Pull down to refresh</string>
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</resources>

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