Java Code Examples for android.widget.ListView#getChildCount()

The following examples show how to use android.widget.ListView#getChildCount() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may want to check out the right sidebar which shows the related API usage.
Example 1
Source Project: ListBuddies   File: ListBuddiesLayout.java    License: Apache License 2.0 6 votes vote down vote up
private void findViewClicked(MotionEvent event, float eventY, ListView list) {
    mChildCount = list.getChildCount();
    mListViewCoords = new int[2];
    list.getLocationOnScreen(mListViewCoords);
    int x = (int) event.getRawX() - mListViewCoords[0];
    int y = (int) event.getRawY() - mListViewCoords[1];
    View child;
    for (int i = 0; i < mChildCount; i++) {
        child = list.getChildAt(i);
        child.getHitRect(mRect);
        if (mRect.contains(x, y)) {
            mDownView = child;
            mDownEventY = eventY;
            break;
        }
    }
}
 
Example 2
Source Project: letv   File: TopRecommendFragment.java    License: Apache License 2.0 6 votes vote down vote up
private void loadImage(ListView listView) {
    if (listView != null) {
        try {
            int count = listView.getChildCount();
            for (int i = 0; i < count; i++) {
                Object tag = listView.getChildAt(i).getTag();
                if (tag != null) {
                    ViewHolder holder = (ViewHolder) tag;
                    Object t1 = holder.iv_1.getTag();
                    if (t1 != null) {
                        ImageDownloader.getInstance().download(holder.iv_1, (String) t1);
                        holder.iv_1.setTag(null);
                    }
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}
 
Example 3
Source Project: letv   File: ListViewAutoScrollHelper.java    License: Apache License 2.0 6 votes vote down vote up
public boolean canTargetScrollVertically(int direction) {
    ListView target = this.mTarget;
    int itemCount = target.getCount();
    if (itemCount == 0) {
        return false;
    }
    int childCount = target.getChildCount();
    int firstPosition = target.getFirstVisiblePosition();
    int lastPosition = firstPosition + childCount;
    if (direction > 0) {
        if (lastPosition >= itemCount && target.getChildAt(childCount - 1).getBottom() <= target.getHeight()) {
            return false;
        }
    } else if (direction >= 0) {
        return false;
    } else {
        if (firstPosition <= 0 && target.getChildAt(0).getTop() >= 0) {
            return false;
        }
    }
    return true;
}
 
Example 4
Source Project: NMSAlphabetAndroidApp   File: SettingsFragment.java    License: MIT License 6 votes vote down vote up
private void updatePreferences(ListView accountList){
    for(int i = 0; i < accountList.getChildCount(); i++) {
        try {
            LinearLayout rootLayout = (LinearLayout) accountList.getChildAt(i);
            RelativeLayout preferenceLayout = (RelativeLayout) rootLayout.getChildAt(1);
            TextView titleView = (TextView) preferenceLayout.getChildAt(0);
            TextView summaryView = (TextView) preferenceLayout.getChildAt(1);
            if(titleView.getText().toString().equals(getString(R.string.language))) {
                summaryView.setCompoundDrawablePadding(10);
                summaryView.setCompoundDrawablesRelativeWithIntrinsicBounds(LanguageUtil.getLanguageFlagDrawable(getActivity(),
                        LanguageUtil.getCurrentLanguageCode(getActivity())), null, null, null);
            } else if(titleView.getText().toString().equals(getString(R.string.theme))) {
                summaryView.setText(ThemeUtil.getThemePreview(getActivity(), ThemeUtil.getCurrentTheme(getActivity())));
                summaryView.setTextSize(30);
            }
        } catch (Exception e){
            e.printStackTrace();
        }
    }
}
 
Example 5
Source Project: zone-sdk   File: ViewShot.java    License: MIT License 6 votes vote down vote up
/**
 * 截图listview
 **/
public static Bitmap getBitmapByListView(ListView listView) {
    int h = 0;
    Bitmap bitmap = null;
    // 获取listView实际高度
    for (int i = 0; i < listView.getChildCount(); i++) {
        h += listView.getChildAt(i).getHeight();
    }
    Log.d(TAG, "实际高度:" + h);
    Log.d(TAG, "list 高度:" + listView.getHeight());
    // 创建对应大小的bitmap
    bitmap = Bitmap.createBitmap(listView.getWidth(), h,
            Bitmap.Config.ARGB_8888);
    final Canvas canvas = new Canvas(bitmap);
    listView.draw(canvas);
    return bitmap;
}
 
Example 6
@Override
public void onDoubleClick(View v) {
       //双击事件
    Activity context = (Activity)v.getContext();
       ListView lvMicroBlog = (ListView)context.findViewById(R.id.lvMicroBlog);
       if (lvMicroBlog != null) {
     		ListAdapter adapter = lvMicroBlog.getAdapter();
		CacheAdapter<?> cacheAdapter = getCacheAdapter(adapter);
        if (cacheAdapter != null) {
            cacheAdapter.reclaim(ReclaimLevel.MODERATE);
        }
        if (lvMicroBlog.getChildCount() > 1) {
        	lvMicroBlog.setSelection(1);
        }
       }
}
 
Example 7
Source Project: Dashchan   File: ThreadsPage.java    License: Apache License 2.0 6 votes vote down vote up
@Override
public void onImageLoadComplete(String key, Bitmap bitmap, boolean error) {
	UiManager uiManager = getUiManager();
	ThreadsAdapter adapter = getAdapter();
	ListView listView = getListView();
	for (int i = 0; i < listView.getChildCount(); i++) {
		View view = listView.getChildAt(i);
		if (adapter.isGridMode()) {
			if (view instanceof ViewGroup) {
				ViewGroup viewGroup = (ViewGroup) view;
				for (int j = 0; j < viewGroup.getChildCount(); j++) {
					View child = viewGroup.getChildAt(j);
					if (child.getVisibility() == View.VISIBLE) {
						uiManager.view().displayLoadedThumbnailsForView(child, key, bitmap, error);
					}
				}
			}
		} else {
			uiManager.view().displayLoadedThumbnailsForView(view, key, bitmap, error);
		}
	}
}
 
Example 8
public View getViewByPosition(int pos, ListView listView) {
    final int firstListItemPosition = listView.getFirstVisiblePosition();
    final int lastListItemPosition = firstListItemPosition + listView.getChildCount() - 1;

    if (pos < firstListItemPosition || pos > lastListItemPosition ) {
        return null;
    } else {
        final int childIndex = pos - firstListItemPosition;
        return listView.getChildAt(childIndex);
    }
}
 
Example 9
Source Project: soas   File: SwipeRefreshListFragment.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * Utility method to check whether a {@link ListView} can scroll up from it's current position.
 * Handles platform version differences, providing backwards compatible functionality where
 * needed.
 */
private static boolean canListViewScrollUp(ListView listView) {
    if (SdkUtils.hasIceCreamSandwich()) {
        // For ICS and above we can call canScrollVertically() to determine this
        return ViewCompat.canScrollVertically(listView, -1);
    } else {
        // Pre-ICS we need to manually check the first visible item and the child view's top
        // value
        return listView.getChildCount() > 0 &&
                (listView.getFirstVisiblePosition() > 0
                        || listView.getChildAt(0).getTop() < listView.getPaddingTop());
    }
}
 
Example 10
private static boolean canListViewScrollUp(ListView listView) {
    if (android.os.Build.VERSION.SDK_INT >= 14) {
        // For ICS and above we can call canScrollVertically() to determine this
        return ViewCompat.canScrollVertically(listView, -1);
    } else {
        // Pre-ICS we need to manually check the first visible item and the child view's top
        // value
        return listView.getChildCount() > 0 &&
                (listView.getFirstVisiblePosition() > 0
                        || listView.getChildAt(0).getTop() < listView.getPaddingTop());
    }
}
 
Example 11
private void renderView(int position) {
	View view = gridViewsArray[position];
	if (view != null) {
		ListView listView = (ListView) view.findViewById(R.id.list_view);
		for (int i = 0; i < listView.getChildCount(); i++) {
			renderThumbView(listView.getChildAt(i));
		}
	}
}
 
Example 12
/**
 * Utility method to check whether a {@link ListView} can scroll up from it's current position.
 * Handles platform version differences, providing backwards compatible functionality where
 * needed.
 */
private static boolean canListViewScrollUp(ListView listView) {
    if (android.os.Build.VERSION.SDK_INT >= 14) {
        // For ICS and above we can call canScrollVertically() to determine this
        return ViewCompat.canScrollVertically(listView, -1);
    } else {
        // Pre-ICS we need to manually check the first visible item and the child view's top
        // value
        return listView.getChildCount() > 0 &&
                (listView.getFirstVisiblePosition() > 0
                        || listView.getChildAt(0).getTop() < listView.getPaddingTop());
    }
}
 
Example 13
Source Project: iqra-android   File: SearchResultsActivity.java    License: MIT License 5 votes vote down vote up
public View getViewByPosition(int pos, ListView listView) {
    final int firstListItemPosition = listView.getFirstVisiblePosition();
    final int lastListItemPosition = firstListItemPosition + listView.getChildCount() - 1;

    if (pos < firstListItemPosition || pos > lastListItemPosition) {
        return listView.getAdapter().getView(pos, null, listView);
    } else {
        final int childIndex = pos - firstListItemPosition;
        return listView.getChildAt(childIndex);
    }
}
 
Example 14
@Override
public boolean canTargetScrollVertically(int direction) {
    final ListView target = mTarget;
    final int itemCount = target.getCount();
    final int childCount = target.getChildCount();
    final int firstPosition = target.getFirstVisiblePosition();
    final int lastPosition = firstPosition + childCount;

    if (direction > 0) {
        // Are we already showing the entire last item?
        if (lastPosition >= itemCount) {
            final View lastView = target.getChildAt(childCount - 1);
            if (lastView.getBottom() <= target.getHeight()) {
                return false;
            }
        }
    } else if (direction < 0) {
        // Are we already showing the entire first item?
        if (firstPosition <= 0) {
            final View firstView = target.getChildAt(0);
            if (firstView.getTop() >= 0) {
                return false;
            }
        }
    } else {
        // The behavior for direction 0 is undefined and we can return
        // whatever we want.
        return false;
    }

    return true;
}
 
Example 15
Source Project: a   File: ConvertUtils.java    License: GNU General Public License v3.0 4 votes vote down vote up
/**
 * 把view转化为bitmap(截图)
 * 参见:http://www.cnblogs.com/lee0oo0/p/3355468.html
 */
public static Bitmap toBitmap(View view) {
    int width = view.getWidth();
    int height = view.getHeight();
    if (view instanceof ListView) {
        height = 0;
        // 获取listView实际高度
        ListView listView = (ListView) view;
        for (int i = 0; i < listView.getChildCount(); i++) {
            height += listView.getChildAt(i).getHeight();
        }
    } else if (view instanceof ScrollView) {
        height = 0;
        // 获取scrollView实际高度
        ScrollView scrollView = (ScrollView) view;
        for (int i = 0; i < scrollView.getChildCount(); i++) {
            height += scrollView.getChildAt(i).getHeight();
        }
    }
    view.setDrawingCacheEnabled(true);
    view.clearFocus();
    view.setPressed(false);
    boolean willNotCache = view.willNotCacheDrawing();
    view.setWillNotCacheDrawing(false);
    // Reset the drawing cache background color to fully transparent for the duration of this operation
    int color = view.getDrawingCacheBackgroundColor();
    view.setDrawingCacheBackgroundColor(Color.WHITE);//截图去黑色背景(透明像素)
    if (color != Color.WHITE) {
        view.destroyDrawingCache();
    }
    view.buildDrawingCache();
    Bitmap cacheBitmap = view.getDrawingCache();
    if (cacheBitmap == null) {
        return null;
    }
    Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);
    canvas.drawBitmap(cacheBitmap, 0, 0, null);
    canvas.save();
    canvas.restore();
    if (!bitmap.isRecycled()) {
        bitmap.recycle();
    }
    // Restore the view
    view.destroyDrawingCache();
    view.setWillNotCacheDrawing(willNotCache);
    view.setDrawingCacheBackgroundColor(color);
    return bitmap;
}
 
Example 16
Source Project: FilePicker   File: ConvertUtils.java    License: MIT License 4 votes vote down vote up
/**
 * 把view转化为bitmap(截图)
 * 参见:http://www.cnblogs.com/lee0oo0/p/3355468.html
 */
public static Bitmap toBitmap(View view) {
    int width = view.getWidth();
    int height = view.getHeight();
    if (view instanceof ListView) {
        height = 0;
        // 获取listView实际高度
        ListView listView = (ListView) view;
        for (int i = 0; i < listView.getChildCount(); i++) {
            height += listView.getChildAt(i).getHeight();
        }
    } else if (view instanceof ScrollView) {
        height = 0;
        // 获取scrollView实际高度
        ScrollView scrollView = (ScrollView) view;
        for (int i = 0; i < scrollView.getChildCount(); i++) {
            height += scrollView.getChildAt(i).getHeight();
        }
    }
    view.setDrawingCacheEnabled(true);
    view.clearFocus();
    view.setPressed(false);
    boolean willNotCache = view.willNotCacheDrawing();
    view.setWillNotCacheDrawing(false);
    // Reset the drawing cache background color to fully transparent for the duration of this operation
    int color = view.getDrawingCacheBackgroundColor();
    view.setDrawingCacheBackgroundColor(Color.WHITE);//截图去黑色背景(透明像素)
    if (color != Color.WHITE) {
        view.destroyDrawingCache();
    }
    view.buildDrawingCache();
    Bitmap cacheBitmap = view.getDrawingCache();
    if (cacheBitmap == null) {
        return null;
    }
    Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);
    canvas.drawBitmap(cacheBitmap, 0, 0, null);
    canvas.save(Canvas.ALL_SAVE_FLAG);
    canvas.restore();
    if (!bitmap.isRecycled()) {
        LogUtils.verbose("recycle bitmap: " + bitmap.toString());
        bitmap.recycle();
    }
    // Restore the view
    view.destroyDrawingCache();
    view.setWillNotCacheDrawing(willNotCache);
    view.setDrawingCacheBackgroundColor(color);
    return bitmap;
}
 
Example 17
/**
 * 把view转化为bitmap(截图)
 * 参见:http://www.cnblogs.com/lee0oo0/p/3355468.html
 */
public static Bitmap toBitmap(View view) {
    int width = view.getWidth();
    int height = view.getHeight();
    if (view instanceof ListView) {
        height = 0;
        // 获取listView实际高度
        ListView listView = (ListView) view;
        for (int i = 0; i < listView.getChildCount(); i++) {
            height += listView.getChildAt(i).getHeight();
        }
    } else if (view instanceof ScrollView) {
        height = 0;
        // 获取scrollView实际高度
        ScrollView scrollView = (ScrollView) view;
        for (int i = 0; i < scrollView.getChildCount(); i++) {
            height += scrollView.getChildAt(i).getHeight();
        }
    }
    view.setDrawingCacheEnabled(true);
    view.clearFocus();
    view.setPressed(false);
    boolean willNotCache = view.willNotCacheDrawing();
    view.setWillNotCacheDrawing(false);
    // Reset the drawing cache background color to fully transparent for the duration of this operation
    int color = view.getDrawingCacheBackgroundColor();
    view.setDrawingCacheBackgroundColor(Color.WHITE);//截图去黑色背景(透明像素)
    if (color != Color.WHITE) {
        view.destroyDrawingCache();
    }
    view.buildDrawingCache();
    Bitmap cacheBitmap = view.getDrawingCache();
    if (cacheBitmap == null) {
        return null;
    }
    Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);
    canvas.drawBitmap(cacheBitmap, 0, 0, null);
    canvas.save();
    canvas.restore();
    if (!bitmap.isRecycled()) {
        bitmap.recycle();
    }
    // Restore the view
    view.destroyDrawingCache();
    view.setWillNotCacheDrawing(willNotCache);
    view.setDrawingCacheBackgroundColor(color);
    return bitmap;
}
 
Example 18
Source Project: AndroidPicker   File: ConvertUtils.java    License: MIT License 4 votes vote down vote up
/**
 * 把view转化为bitmap(截图)
 * 参见:http://www.cnblogs.com/lee0oo0/p/3355468.html
 */
public static Bitmap toBitmap(View view) {
    int width = view.getWidth();
    int height = view.getHeight();
    if (view instanceof ListView) {
        height = 0;
        // 获取listView实际高度
        ListView listView = (ListView) view;
        for (int i = 0; i < listView.getChildCount(); i++) {
            height += listView.getChildAt(i).getHeight();
        }
    } else if (view instanceof ScrollView) {
        height = 0;
        // 获取scrollView实际高度
        ScrollView scrollView = (ScrollView) view;
        for (int i = 0; i < scrollView.getChildCount(); i++) {
            height += scrollView.getChildAt(i).getHeight();
        }
    }
    view.setDrawingCacheEnabled(true);
    view.clearFocus();
    view.setPressed(false);
    boolean willNotCache = view.willNotCacheDrawing();
    view.setWillNotCacheDrawing(false);
    // Reset the drawing cache background color to fully transparent for the duration of this operation
    int color = view.getDrawingCacheBackgroundColor();
    view.setDrawingCacheBackgroundColor(Color.WHITE);//截图去黑色背景(透明像素)
    if (color != Color.WHITE) {
        view.destroyDrawingCache();
    }
    view.buildDrawingCache();
    Bitmap cacheBitmap = view.getDrawingCache();
    if (cacheBitmap == null) {
        return null;
    }
    Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);
    canvas.drawBitmap(cacheBitmap, 0, 0, null);
    canvas.save();
    canvas.restore();
    if (!bitmap.isRecycled()) {
        LogUtils.verbose("recycle bitmap: " + bitmap.toString());
        bitmap.recycle();
    }
    // Restore the view
    view.destroyDrawingCache();
    view.setWillNotCacheDrawing(willNotCache);
    view.setDrawingCacheBackgroundColor(color);
    return bitmap;
}
 
Example 19
Source Project: YiBo   File: HomePageActivity.java    License: Apache License 2.0 4 votes vote down vote up
@Override
protected void onNewIntent(Intent newIntent) {
	super.onNewIntent(newIntent);
	if (Logger.isDebug()) {
		Log.v(TAG, "onNewIntent……" + ", Intent : " + newIntent);
	}

	LocalAccount account = (LocalAccount)newIntent.getSerializableExtra("ACCOUNT");
	if (account == null) {
		updateContentView(null);
		return;
	}
	int contentType = newIntent.getIntExtra("CONTENT_TYPE", Skeleton.TYPE_MY_HOME);

	sheJiaoMao.setCurrentAccount(account); // 设置当前帐号
	skeleton.setCurrentAccount(account, true);
	skeleton.setContentType(contentType);

	// move to head
	ListView lvMicroBlog = (ListView) this.findViewById(R.id.lvMicroBlog);
	if (lvMicroBlog != null) {
		ListAdapter adapter = lvMicroBlog.getAdapter();
		CacheAdapter<?> cacheAdapter = AdapterUtil.getCacheAdapter(adapter);
		//有可能处于分组中
		if (contentType == Skeleton.TYPE_MY_HOME
			&& cacheAdapter instanceof GroupStatusesListAdapter) {
			Cache cache = CacheManager.getInstance().getCache(account);
			AdapterCollectionCache adapterCache = (AdapterCollectionCache)cache;
			if (adapterCache != null) {
				cacheAdapter = adapterCache.getMyHomeListAdapter();
				lvMicroBlog.setAdapter(cacheAdapter);
				TextView tvTitle = (TextView)this.findViewById(R.id.tvTitle);
				String title = "";
				if (account.getUser() != null) {
				    title += account.getUser().getScreenName() + "@";
				}
				title += account.getServiceProvider().getSpName();
				tvTitle.setText(title);
			}
		}
        if (cacheAdapter != null && cacheAdapter.refresh()) {
            cacheAdapter.reclaim(ReclaimLevel.MODERATE);
        }
        if (lvMicroBlog.getChildCount() > 1) {
        	lvMicroBlog.setSelection(1);
        }
	}
}
 
Example 20
Source Project: Dashchan   File: ViewUnit.java    License: Apache License 2.0 4 votes vote down vote up
public void notifyUnbindListView(ListView listView) {
	for (int i = 0; i < listView.getChildCount(); i++) {
		notifyUnbindView(listView.getChildAt(i));
	}
}