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August 20, 2019 00:47
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Customized SwipeRefreshLayout for setting swipe distance to refresh.
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package com.sungardas.viewpoint.widget; | |
import android.content.Context; | |
import android.os.Build; | |
import android.support.v4.widget.SwipeRefreshLayout; | |
import android.util.AttributeSet; | |
import android.util.DisplayMetrics; | |
import android.view.View; | |
import android.view.ViewTreeObserver; | |
import java.lang.reflect.Field; | |
public class CustomSwipeToRefresh extends SwipeRefreshLayout implements ViewTreeObserver | |
.OnGlobalLayoutListener { | |
private static float MAX_SWIPE_DISTANCE_FACTOR = 0.6f; | |
private static int DEFAULT_REFRESH_TRIGGER_DISTANCE = 200; | |
private int refreshTriggerDistance = DEFAULT_REFRESH_TRIGGER_DISTANCE; | |
ViewTreeObserver vto; | |
public CustomSwipeToRefresh(Context context, AttributeSet attrs) { | |
super(context, attrs); | |
vto = getViewTreeObserver(); | |
vto.addOnGlobalLayoutListener(this); | |
} | |
@Override | |
public void onGlobalLayout() { | |
// Calculate the trigger distance. | |
final DisplayMetrics metrics = getResources().getDisplayMetrics(); | |
Float mDistanceToTriggerSync = Math.min( | |
((View) getParent()).getHeight() * MAX_SWIPE_DISTANCE_FACTOR, | |
refreshTriggerDistance * metrics.density); | |
try { | |
// Set the internal trigger distance using reflection. | |
Field field = SwipeRefreshLayout.class.getDeclaredField("mDistanceToTriggerSync"); | |
field.setAccessible(true); | |
field.setFloat(this, mDistanceToTriggerSync); | |
} catch (NoSuchFieldException e) { | |
e.printStackTrace(); | |
} catch (IllegalAccessException e) { | |
e.printStackTrace(); | |
} | |
// Only needs to be done once so remove listener. | |
ViewTreeObserver obs = getViewTreeObserver(); | |
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { | |
obs.removeOnGlobalLayoutListener(this); | |
} else { | |
//noinspection deprecation | |
obs.removeGlobalOnLayoutListener(this); | |
} | |
} | |
private int getRefreshTriggerDistance() { | |
return refreshTriggerDistance; | |
} | |
private void setRefreshTriggerDistance(int refreshTriggerDistance) { | |
this.refreshTriggerDistance = refreshTriggerDistance; | |
} | |
} |
Thanks
very well! thanks
Can you help me to solve this, its not worked for me.
I tried This code:
DisplayMetrics metrics = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(metrics);
swipeContainer.setRefreshTriggerDistance(metrics.heightPixels / 2);
Help me ASAP.
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I used this its works like a charm.Kudos.