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Code Issues Projects Releases Packages Wiki Activity Actions

New loading-progress animation for story lists. (#582)

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This commit is contained in:
dosiecki 2015-02-19 23:28:06 -08:00
parent 184d0375a3
commit d2b16b2897
3 changed files with 83 additions and 2 deletions
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6
clients/android/NewsBlur/res/layout/activity_itemslist.xml
View file

@ -10,6 +10,12 @@
android:layout_height="match_parent"
android:layout_alignParentTop="true" />
<com.newsblur.view.ProgressThrobber
android:id="@+id/itemlist_topthrob"
android:layout_width="fill_parent"
android:layout_height="3dp"
android:layout_alignParentTop="true" />
<TextView
android:id="@+id/itemlist_sync_status"
android:layout_width="fill_parent"

12
clients/android/NewsBlur/src/com/newsblur/activity/ItemsList.java
View file

@ -27,6 +27,7 @@ import com.newsblur.util.ReadFilterChangedListener;
import com.newsblur.util.StateFilter;
import com.newsblur.util.StoryOrder;
import com.newsblur.util.StoryOrderChangedListener;
import com.newsblur.view.ProgressThrobber;
import com.newsblur.view.StateToggleButton.StateChangedListener;
public abstract class ItemsList extends NbActivity implements StateChangedListener, StoryOrderChangedListener, ReadFilterChangedListener, DefaultFeedViewChangedListener {
@ -38,6 +39,7 @@ public abstract class ItemsList extends NbActivity implements StateChangedListen
public static final String BUNDLE_FEED_IDS = "feedIds";
protected ItemListFragment itemListFragment;
protected ProgressThrobber progressView;
protected FragmentManager fragmentManager;
private TextView overlayStatusText;
protected StateFilter currentState;
@ -55,7 +57,6 @@ public abstract class ItemsList extends NbActivity implements StateChangedListen
this.fs = createFeedSet();
requestWindowFeature(Window.FEATURE_PROGRESS);
requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
getWindow().setBackgroundDrawableResource(android.R.color.transparent);
setContentView(R.layout.activity_itemslist);
@ -64,6 +65,7 @@ public abstract class ItemsList extends NbActivity implements StateChangedListen
getActionBar().setDisplayHomeAsUpEnabled(true);
this.overlayStatusText = (TextView) findViewById(R.id.itemlist_sync_status);
this.progressView = (ProgressThrobber) findViewById(R.id.itemlist_topthrob);
}
protected abstract FeedSet createFeedSet();
@ -139,7 +141,13 @@ public abstract class ItemsList extends NbActivity implements StateChangedListen
private void updateStatusIndicators() {
boolean isLoading = NBSyncService.isFeedSetSyncing(this.fs, this);
setProgressBarIndeterminateVisibility(isLoading);
if (progressView != null ) {
if (isLoading) {
progressView.setVisibility(View.VISIBLE);
} else {
progressView.setVisibility(View.GONE);
}
}
if (overlayStatusText != null) {
String syncStatus = NBSyncService.getSyncStatusMessage(this);

67
clients/android/NewsBlur/src/com/newsblur/view/ProgressThrobber.java Normal file
View file

@ -0,0 +1,67 @@
package com.newsblur.view;
import android.animation.ObjectAnimator;
import android.animation.ValueAnimator;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;
import com.newsblur.R;
/**
* A indeterminate loading indicator that pulses between two colours.
*/
public class ProgressThrobber extends View {
ObjectAnimator animator;
int color = Color.BLUE;
float saturation = 1f;
public ProgressThrobber(Context context) {
super(context);
setupAnimator();
}
public ProgressThrobber(Context context, AttributeSet attrs) {
super(context, attrs);
setupAnimator();
}
public void setColor(int color) {
this.color = color;
}
private void setupAnimator() {
animator = ObjectAnimator.ofFloat(this, "saturation", 0f, 1f);
animator.setRepeatCount(ValueAnimator.INFINITE);
animator.setRepeatMode(ValueAnimator.REVERSE);
animator.setDuration(1500L);
animator.start();
}
public void setSaturation(float sat) {
this.saturation = sat;
this.invalidate();
}
protected void onDraw(Canvas canvas) {
float[] hsv = new float[3];
Color.colorToHSV(color, hsv);
hsv[1] = saturation;
canvas.drawColor(Color.HSVToColor(hsv));
}
@Override
public void setVisibility(int visibility) {
super.setVisibility(visibility);
if (visibility == View.VISIBLE) {
animator.start();
} else {
animator.end();
}
}
}