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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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51
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);
@@ -54,17 +45,19 @@ 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(
new View.OnLayoutChangeListener() {
@Override @Override
public void onLayoutChange(View v, public void onLayoutChange(View v, int left, int top,
int left, int top, int right, int bottom, int right, int bottom, int oldLeft, int oldTop,
int oldLeft, int oldTop, int oldRight, int oldBottom) { int oldRight, int oldBottom) {
if (bottom < oldBottom) { if (bottom < oldBottom) {
recyclerView.postDelayed(new Runnable() { recyclerView.postDelayed(new Runnable() {
@Override @Override
public void run() { public void run() {
scrollToPosition( scrollToPosition(
recyclerView.getAdapter().getItemCount() - 1); recyclerView.getAdapter()
.getItemCount() - 1);
} }
}, 100); }, 100);
} }
@@ -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;
}
} }