How to disable behind view click event Framelayout
Here i have one view pager activity which has one imageview and 2 overlay bars. there overlay bars i made using android xml file layout itself.
Here my requirement is like that
1) single tap on view pager's imageview first time = show top and bottom rectangle overlaybar. 2) single tap on view pager's imageview second time = hide these overlays.
These both are functions like android gallary view type.
But here when these top and bottom layout bar displays at that time i want to use only buttons click only which buttons are declare within this layout.
But I am not getting success to achieve this thing.
Problems
1) when top or bottom bar is there if i can click on next or previous button than its takes event for behind imageview single tap touch event, And my bar is getting invisible.
2) Only wants declare buttons event only
3) Avoid imageview getting clicked when i touch to overlay bar.
In short when my top and bottom image bar appears at that time no touh event takes place for imageview from top and bottom image bar. I can click on imageview but not making clickable when i click on actually next or previous or share button.
So these are the problems which i am facing, Please help me .
Source code :
activity_pager_image.xml
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<android.support.v4.view.ViewPager
android:id="@+id/pager"
android:layout_width="fill_parent"
android:layout_height="fill_parent" />
<RelativeLayout
android:id="@+id/rl_top_overlay"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="@drawable/slideshow_bar"
android:visibility="gone" >
<TextView
android:id="@+id/tv_top_overlay"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
android:textIsSelectable="false" />
</RelativeLayout>
<RelativeLayout
android:id="@+id/rl_bottom_overlay"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_gravity="bottom"
android:background="@drawable/slideshow_bar"
android:visibility="visible" >
<Button
android:id="@+id/btn_left_arrow"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_centerVertical="true"
android:layout_marginLeft="35dp"
android:background="@drawable/ic_left_arrow" />
<Button
android:id="@+id/btn_below_share"
style="@style/normalText"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_centerVertical="true"
android:layout_marginRight="35dp"
android:background="@drawable/ic_share"
android:visibility="visible" />
<Button
android:id="@+id/btn_right_arrow"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
android:layout_marginLeft="50dp"
android:layout_toRightOf="@id/btn_left_arrow"
android:background="@drawable/ic_right_arrow" />
</RelativeLayout>
</FrameLayout>
item_pager_image.xml
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<demo.android.library.imagezoom.ImageViewTouch
android:id="@+id/image"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:adjustViewBounds="true"
android:contentDescription="@string/descr_image"
android:scaleType="fitXY" />
</FrameLayout>
JAVA code
public class ImagePagerActivity extends BaseActivity {
private static final String STATE_POSITION = "STATE_POSITION";
private DisplayImageOptions options;
private String[] imageUrls;
private ViewPager pager;
private static int sCounter = 0;
private RelativeLayout mRlTopOverlayBar = null;
private RelativeLayout mRlBottomOverlayBar = null;
private TextView mPageNumberText = null;
private Button mLeftArrow = null;
private Button mRightArrow = null;
int mPageCounter = 0;
int mTotalImages = 0;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_image_pager);
mRlTopOverlayBar = (RelativeLayout) findViewById(R.id.rl_top_overlay);
mRlBottomOverlayBar = (RelativeLayout) findViewById(R.id.rl_bottom_overlay);
mPageNumberText = (TextView) findViewById(R.id.tv_top_overlay);
mLeftArrow = (Button) findViewById(R.id.btn_left_arrow);
mRightArrow = (Button) findViewById(R.id.btn_right_arrow);
Bundle bundle = getIntent().getExtras();
String[] imageUrls = bundle
.getStringArray(Constants.GALLARY_IMAGES_IMAGE_BUNDLE_KEY);
mTotalImages = imageUrls.length;
mPageCounter = bundle.getInt(
Constants.GALLARY_IMAGE_POSITION_BUNDLE_KEY, 0);
Log.d("TAG", "Pre Poistion " + mPageCounter);
if (savedInstanceState != null) {
mPageCounter = savedInstanceState.getInt(STATE_POSITION);
}
options = new DisplayImageOptions.Builder()
.showImageForEmptyUri(R.drawable.photo_default)
.showImageOnFail(R.drawable.ic_error).resetViewBeforeLoading()
.cacheOnDisc().imageScaleType(ImageScaleType.EXACTLY)
.bitmapConfig(Bitmap.Config.RGB_565)
.displayer(new FadeInBitmapDisplayer(300)).build();
pager = (ViewPager) findViewById(R.id.pager);
pager.setAdapter(new ImagePagerAdapter(imageUrls));
pager.setCurrentItem(mPageCounter);
mLeftArrow.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// int setCounter = mPageCounter - 1;
// if (setCounter >= 0) {
// }
pager.setCurrentItem(pager.getCurrentItem() - 1);
}
});
mRightArrow.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
pager.setCurrentItem(pager.getCurrentItem() + 1);
/*
* int setCounter = mPageCounter + 1; if (setCounter <
* mTotalImages) { pager.setCurrentItem(mPageCounter + 1); }
*/
}
});
}
@Override
public void onSaveInstanceState(Bundle outState) {
outState.putInt(STATE_POSITION, pager.getCurrentItem());
}
private class ImagePagerAdapter extends PagerAdapter {
private String[] images;
private LayoutInflater inflater;
ImagePagerAdapter(String[] images) {
this.images = images;
inflater = getLayoutInflater();
}
@Override
public void destroyItem(ViewGroup container, int position, Object object) {
((ViewPager) container).removeView((View) object);
}
@Override
public void finishUpdate(View container) {
}
@Override
public int getCount() {
return images.length;
}
@Override
public Object instantiateItem(ViewGroup view, int position) {
View imageLayout = inflater.inflate(R.layout.item_pager_image,
view, false);
Log.d("TAG", "Poistion " + position);
final ImageViewTouch imageView = (ImageViewTouch) imageLayout
.findViewById(R.id.image);
final DeactivableViewPager viewPager = new DeactivableViewPager(
ImagePagerActivity.this);
imageView.setOnScaleListener(new OnPageScaleListener() {
@Override
public void onScaleBegin() {
viewPager.deactivate();
}
@Override
public void onScaleEnd(float scale) {
if (scale > 1.0) {
viewPager.deactivate();
} else {
viewPager.activate();
}
}
});
imageView
.setSingleTapListener(new OnImageViewTouchSingleTapListener() {
@Override
public void onSingleTapConfirmed() {
Log.d("TAG", "setSingleTapListener");
sCounter++;
if (sCounter % 2 == 0) {
mRlTopOverlayBar.setVisibility(View.GONE);
mRlBottomOverlayBar.setVisibility(View.GONE);
} else {
mRlTopOverlayBar.setVisibility(View.VISIBLE);
mRlBottomOverlayBar.setVisibility(View.VISIBLE);
mRlBottomOverlayBar.setClickable(false);
mRlTopOverlayBar.setClickable(false);
}
}
});
imageLoader.displayImage(images[position], imageView, options,
new SimpleImageLoadingListener() {
@Override
public void onLoadingStarted(String imageUri, View view) {
// spinner.setVisibility(View.VISIBLE);
}
@Override
public void onLoadingFailed(String imageUri, View view,
FailReason failReason) {
String message = null;
switch (failReason.getType()) {
case IO_ERROR:
message = "Input/Output error";
break;
case DECODING_ERROR:
message = "Image can't be decoded";
break;
case NETWORK_DENIED:
message = "Downloads are denied";
break;
case OUT_OF_MEMORY:
message = "Out Of Memory error";
break;
case UNKNOWN:
message = "Unknown error";
break;
}
Toast.makeText(ImagePagerActivity.this, message,
Toast.LENGTH_SHORT).show();
// spinner.setVisibility(View.GONE);
}
@Override
public void onLoadingComplete(String imageUri,
View view, Bitmap loadedImage) {
// spinner.setVisibility(View.GONE);
}
});
((ViewPager) view).addView(imageLayout, 0);
return imageLayout;
}
@Override
public boolean isViewFromObject(View view, Object object) {
return view.equals(object);
}
@Override
public void restoreState(Parcelable state, ClassLoader loader) {
}
@Override
public Parcelable saveState() {
return null;
}
@Override
public void startUpdate(View container) {
}
}
}
image :
thanks
Answer
A better way is to set the top and bottom frame to be clickable, with:
android:clickable="true"
Doing so will make sure that the view/frame itself will trap all clicking events, and will not pass it through the view behind it. Note this method works for all layout/view/controls, but many controls (such as buttons) already have this function on by default.