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Code Issues Projects Releases Wiki Activity

Don't allow 'this' to escape the constructor.

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This commit is contained in:
akwizgran
2016-04-26 10:03:28 +01:00
parent 141d6497ef
commit 8630f6f24f
1 changed files with 33 additions and 38 deletions
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71
briar-android/src/org/briarproject/android/util/BriarRecyclerView.java
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@@ -21,27 +21,18 @@ public class BriarRecyclerView extends FrameLayout {
public BriarRecyclerView(Context context) { public BriarRecyclerView(Context context) {
super(context); super(context);
initViews();
} }
public BriarRecyclerView(Context context, AttributeSet attrs) { public BriarRecyclerView(Context context, AttributeSet attrs) {
super(context, attrs); super(context, attrs);
initViews();
} }
public BriarRecyclerView(Context context, AttributeSet attrs, public BriarRecyclerView(Context context, AttributeSet attrs,
int defStyle) { int defStyle) {
super(context, attrs, defStyle); super(context, attrs, defStyle);
initViews();
} }
private void initViews() { private void initViews() {
if (isInEditMode()) {
return;
}
View v = LayoutInflater.from(getContext()).inflate( View v = LayoutInflater.from(getContext()).inflate(
R.layout.briar_recycler_view, this, true); R.layout.briar_recycler_view, this, true);
@@ -54,22 +45,24 @@ public class BriarRecyclerView extends FrameLayout {
// scroll down when opening keyboard // scroll down when opening keyboard
if (Build.VERSION.SDK_INT >= 11) { if (Build.VERSION.SDK_INT >= 11) {
recyclerView.addOnLayoutChangeListener(new View.OnLayoutChangeListener() { recyclerView.addOnLayoutChangeListener(
@Override new View.OnLayoutChangeListener() {
public void onLayoutChange(View v, @Override
int left, int top, int right, int bottom, public void onLayoutChange(View v, int left, int top,
int oldLeft, int oldTop, int oldRight, int oldBottom) { int right, int bottom, int oldLeft, int oldTop,
if (bottom < oldBottom) { int oldRight, int oldBottom) {
recyclerView.postDelayed(new Runnable() { if (bottom < oldBottom) {
@Override recyclerView.postDelayed(new Runnable() {
public void run() { @Override
scrollToPosition( public void run() {
recyclerView.getAdapter().getItemCount() - 1); scrollToPosition(
recyclerView.getAdapter()
.getItemCount() - 1);
}
}, 100);
} }
}, 100); }
} });
}
});
} }
emptyObserver = new RecyclerView.AdapterDataObserver() { emptyObserver = new RecyclerView.AdapterDataObserver() {
@@ -82,10 +75,13 @@ public class BriarRecyclerView extends FrameLayout {
} }
public void setLayoutManager(RecyclerView.LayoutManager layout) { public void setLayoutManager(RecyclerView.LayoutManager layout) {
if (recyclerView == null) initViews();
recyclerView.setLayoutManager(layout); recyclerView.setLayoutManager(layout);
} }
public void setAdapter(RecyclerView.Adapter adapter) { public void setAdapter(RecyclerView.Adapter adapter) {
if (recyclerView == null) initViews();
RecyclerView.Adapter oldAdapter = recyclerView.getAdapter(); RecyclerView.Adapter oldAdapter = recyclerView.getAdapter();
if (oldAdapter != null) { if (oldAdapter != null) {
oldAdapter.unregisterAdapterDataObserver(emptyObserver); oldAdapter.unregisterAdapterDataObserver(emptyObserver);
@@ -105,35 +101,34 @@ public class BriarRecyclerView extends FrameLayout {
} }
public void setEmptyText(String text) { public void setEmptyText(String text) {
if (recyclerView == null) initViews();
emptyView.setText(text); emptyView.setText(text);
} }
public void showProgressBar() { public void showProgressBar() {
recyclerView.setVisibility(View.INVISIBLE); if (recyclerView == null) initViews();
emptyView.setVisibility(View.INVISIBLE); recyclerView.setVisibility(INVISIBLE);
progressBar.setVisibility(View.VISIBLE); emptyView.setVisibility(INVISIBLE);
progressBar.setVisibility(VISIBLE);
} }
public void showData() { public void showData() {
RecyclerView.Adapter<?> adapter = recyclerView.getAdapter(); if (recyclerView == null) initViews();
RecyclerView.Adapter adapter = recyclerView.getAdapter();
if (adapter != null) { if (adapter != null) {
if (adapter.getItemCount() == 0) { if (adapter.getItemCount() == 0) {
emptyView.setVisibility(View.VISIBLE); emptyView.setVisibility(VISIBLE);
recyclerView.setVisibility(View.INVISIBLE); recyclerView.setVisibility(INVISIBLE);
} else { } else {
emptyView.setVisibility(View.INVISIBLE); emptyView.setVisibility(INVISIBLE);
recyclerView.setVisibility(View.VISIBLE); recyclerView.setVisibility(VISIBLE);
} }
progressBar.setVisibility(View.INVISIBLE); progressBar.setVisibility(INVISIBLE);
} }
} }
public void scrollToPosition(int position) { public void scrollToPosition(int position) {
if (recyclerView == null) initViews();
recyclerView.scrollToPosition(position); recyclerView.scrollToPosition(position);
} }
public RecyclerView getRecyclerView() {
return recyclerView;
}
} }