material-design

How to implement endless list with RecyclerView?

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Thanks to @Kushal and this is how I implemented it private boolean loading = true; int pastVisiblesItems, visibleItemCount, totalItemCount; mRecyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() { @Override public void onScrolled(RecyclerView recyclerView, int dx, int dy) { if (dy > 0) { //check for scroll down visibleItemCount = mLayoutManager.getChildCount(); totalItemCount = mLayoutManager.getItemCount(); pastVisiblesItems = mLayoutManager.findFirstVisibleItemPosition(); if (loading) { if ((visibleItemCount … Read more

How to change progress bar’s progress color in Android

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For a horizontal ProgressBar, you can use a ColorFilter, too, like this: progressBar.getProgressDrawable().setColorFilter( Color.RED, android.graphics.PorterDuff.Mode.SRC_IN); Note: This modifies the appearance of all progress bars in your app. To only modify one specific progress bar, do this: Drawable progressDrawable = progressBar.getProgressDrawable().mutate(); progressDrawable.setColorFilter(Color.RED, android.graphics.PorterDuff.Mode.SRC_IN); progressBar.setProgressDrawable(progressDrawable); If progressBar is indeterminate then use getIndeterminateDrawable() instead of getProgressDrawable(). Since Lollipop … Read more

This Activity already has an action bar supplied by the window decor

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I think you’re developing for Android Lollipop, but anyway include this line: <item name=”windowActionBar”>false</item> to your theme declaration inside of your app/src/main/res/values/styles.xml. Also, if you’re using AppCompatActivity support library of version 22.1 or greater, add this line: <item name=”windowNoTitle”>true</item> Your theme declaration may look like this after all these additions: <!– Base application theme. –> … Read more

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