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Code Issues Packages Projects Releases Wiki Activity

NullPointerException checks in MainActivity

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This commit is contained in:
Sonu Sourav 2019-03-02 18:21:43 +05:30 committed by Isaac Hutt
parent 04b6d07b2b
commit c34934c8b9
1 changed files with 51 additions and 36 deletions
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87
app/src/main/java/org/kiwix/kiwixmobile/main/MainActivity.java
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@ -532,15 +532,20 @@ public class MainActivity extends BaseActivity implements WebViewCallback,
}
private void updateBottomToolbarArrowsAlpha() {
if (getCurrentWebView().canGoForward()) {
bottomToolbarArrowForward.setAlpha(1f);
} else {
bottomToolbarArrowForward.setAlpha(0.6f);
if (checkNull(bottomToolbarArrowBack)) {
if (getCurrentWebView().canGoForward()) {
bottomToolbarArrowForward.setAlpha(1f);
} else {
bottomToolbarArrowForward.setAlpha(0.6f);
}
}
if (getCurrentWebView().canGoBack()) {
bottomToolbarArrowBack.setAlpha(1f);
} else {
bottomToolbarArrowBack.setAlpha(0.6f);
if (checkNull(bottomToolbarArrowForward)) {
if (getCurrentWebView().canGoBack()) {
bottomToolbarArrowBack.setAlpha(1f);
} else {
bottomToolbarArrowBack.setAlpha(0.6f);
}
}
}
@ -1284,20 +1289,22 @@ public class MainActivity extends BaseActivity implements WebViewCallback,
}
private void updateBottomToolbarVisibility() {
if (sharedPreferenceUtil.getPrefBottomToolbar() && !HOME_URL.equals(
getCurrentWebView().getUrl())
&& tabSwitcherRoot.getVisibility() != View.VISIBLE) {
bottomToolbar.setVisibility(View.VISIBLE);
if (getCurrentWebView() instanceof ToolbarStaticKiwixWebView
&& sharedPreferenceUtil.getPrefBottomToolbar()) {
contentFrame.setPadding(0, 0, 0,
(int) getResources().getDimension(R.dimen.bottom_toolbar_height));
if (checkNull(bottomToolbar)) {
if (sharedPreferenceUtil.getPrefBottomToolbar() && !HOME_URL.equals(
getCurrentWebView().getUrl())
&& tabSwitcherRoot.getVisibility() != View.VISIBLE) {
bottomToolbar.setVisibility(View.VISIBLE);
if (getCurrentWebView() instanceof ToolbarStaticKiwixWebView
&& sharedPreferenceUtil.getPrefBottomToolbar()) {
contentFrame.setPadding(0, 0, 0,
(int) getResources().getDimension(R.dimen.bottom_toolbar_height));
} else {
contentFrame.setPadding(0, 0, 0, 0);
}
} else {
bottomToolbar.setVisibility(View.GONE);
contentFrame.setPadding(0, 0, 0, 0);
}
} else {
bottomToolbar.setVisibility(View.GONE);
contentFrame.setPadding(0, 0, 0, 0);
}
}
@ -1574,14 +1581,16 @@ public class MainActivity extends BaseActivity implements WebViewCallback,
}
private void refreshBookmarkSymbol() {
if (getCurrentWebView().getUrl() != null &&
ZimContentProvider.getId() != null &&
!getCurrentWebView().getUrl().equals(HOME_URL)) {
int icon = bookmarks.contains(getCurrentWebView().getUrl()) ? R.drawable.ic_bookmark_24dp
: R.drawable.ic_bookmark_border_24dp;
bottomToolbarBookmark.setImageResource(icon);
} else {
bottomToolbarBookmark.setImageResource(R.drawable.ic_bookmark_border_24dp);
if (checkNull(bottomToolbarBookmark)) {
if (getCurrentWebView().getUrl() != null &&
ZimContentProvider.getId() != null &&
!getCurrentWebView().getUrl().equals(HOME_URL)) {
int icon = bookmarks.contains(getCurrentWebView().getUrl()) ? R.drawable.ic_bookmark_24dp
: R.drawable.ic_bookmark_border_24dp;
bottomToolbarBookmark.setImageResource(icon);
} else {
bottomToolbarBookmark.setImageResource(R.drawable.ic_bookmark_border_24dp);
}
}
}
@ -1832,16 +1841,18 @@ public class MainActivity extends BaseActivity implements WebViewCallback,
@Override
public void webViewProgressChanged(int progress) {
progressBar.setProgress(progress);
if (progress == 100) {
if (requestClearHistoryAfterLoad) {
Log.d(TAG_KIWIX,
"Loading article finished and requestClearHistoryAfterLoad -> clearHistory");
getCurrentWebView().clearHistory();
requestClearHistoryAfterLoad = false;
}
if (checkNull(progressBar)) {
progressBar.setProgress(progress);
if (progress == 100) {
if (requestClearHistoryAfterLoad) {
Log.d(TAG_KIWIX,
"Loading article finished and requestClearHistoryAfterLoad -> clearHistory");
getCurrentWebView().clearHistory();
requestClearHistoryAfterLoad = false;
}
Log.d(TAG_KIWIX, "Loaded URL: " + getCurrentWebView().getUrl());
Log.d(TAG_KIWIX, "Loaded URL: " + getCurrentWebView().getUrl());
}
}
}
@ -1941,4 +1952,8 @@ public class MainActivity extends BaseActivity implements WebViewCallback,
fileSearch.scan(sharedPreferenceUtil.getPrefStorage());
}
}
public boolean checkNull(View view) {
return view != null;
}
}