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mirror of https://codeberg.org/Freeyourgadget/Gadgetbridge synced 2024-11-29 05:16:51 +01:00

Bangle.js: Attempt to fix some of the warnings generated by Android Studio - some addec null checks, and appending using StringBuilder

This commit is contained in:
Gordon Williams 2023-11-20 11:42:41 +00:00
parent 140c62ac55
commit 66b36564ab

View File

@ -306,7 +306,7 @@ public class BangleJSDeviceSupport extends AbstractBTLEDeviceSupport {
}
}
};
GBApplication.getContext().registerReceiver(globalUartReceiver, commandFilter);
GBApplication.getContext().registerReceiver(globalUartReceiver, commandFilter); // should be RECEIVER_EXPORTED
}
@Override
@ -374,7 +374,7 @@ public class BangleJSDeviceSupport extends AbstractBTLEDeviceSupport {
if (v instanceof String) {
/* Convert a string, escaping chars we can't send over out UART connection */
String s = (String)v;
String json = "\"";
StringBuilder json = new StringBuilder("\"");
//String rawString = "";
for (int i=0;i<s.length();i++) {
int ch = (int)s.charAt(i); // 0..255
@ -383,21 +383,21 @@ public class BangleJSDeviceSupport extends AbstractBTLEDeviceSupport {
if (ch<8) {
// if the next character is a digit, it'd be interpreted
// as a 2 digit octal character, so we can't use `\0` to escape it
if (nextCh>='0' && nextCh<='7') json += "\\x0" + ch;
else json += "\\" + ch;
} else if (ch==8) json += "\\b";
else if (ch==9) json += "\\t";
else if (ch==10) json += "\\n";
else if (ch==11) json += "\\v";
else if (ch==12) json += "\\f";
else if (ch==34) json += "\\\""; // quote
else if (ch==92) json += "\\\\"; // slash
if (nextCh>='0' && nextCh<='7') json.append("\\x0").append(ch);
else json.append("\\").append(ch);
} else if (ch==8) json.append("\\b");
else if (ch==9) json.append("\\t");
else if (ch==10) json.append("\\n");
else if (ch==11) json.append("\\v");
else if (ch==12) json.append("\\f");
else if (ch==34) json.append("\\\""); // quote
else if (ch==92) json.append("\\\\"); // slash
else if (ch<32 || ch==127 || ch==173 ||
((ch>=0xC2) && (ch<=0xF4))) // unicode start char range
json += "\\x"+Integer.toHexString((ch&255)|256).substring(1);
json.append("\\x").append(Integer.toHexString((ch & 255) | 256).substring(1));
else if (ch>255)
json += "\\u"+Integer.toHexString((ch&65535)|65536).substring(1);
else json += s.charAt(i);
json.append("\\u").append(Integer.toHexString((ch & 65535) | 65536).substring(1));
else json.append(s.charAt(i));
}
// if it was less characters to send base64, do that!
if (json.length() > 5+(s.length()*4/3)) {
@ -406,24 +406,24 @@ public class BangleJSDeviceSupport extends AbstractBTLEDeviceSupport {
}
// for debugging...
//addReceiveHistory("\n---------------------\n"+rawString+"\n---------------------\n");
return json + "\"";
return json.append("\"").toString();
} else if (v instanceof JSONArray) {
JSONArray a = (JSONArray)v;
String json = "[";
StringBuilder json = new StringBuilder("[");
for (int i=0;i<a.length();i++) {
if (i>0) json += ",";
if (i>0) json.append(",");
Object o = null;
try {
o = a.get(i);
} catch (JSONException e) {
LOG.warn("jsonToString array error: " + e.getLocalizedMessage());
}
json += jsonToStringInternal(o);
json.append(jsonToStringInternal(o));
}
return json+"]";
return json.append("]").toString();
} else if (v instanceof JSONObject) {
JSONObject obj = (JSONObject)v;
String json = "{";
StringBuilder json = new StringBuilder("{");
Iterator<String> iter = obj.keys();
while (iter.hasNext()) {
String key = iter.next();
@ -433,10 +433,10 @@ public class BangleJSDeviceSupport extends AbstractBTLEDeviceSupport {
} catch (JSONException e) {
LOG.warn("jsonToString object error: " + e.getLocalizedMessage());
}
json += "\""+key+"\":"+jsonToStringInternal(o);
if (iter.hasNext()) json+=",";
json.append("\"").append(key).append("\":").append(jsonToStringInternal(o));
if (iter.hasNext()) json.append(",");
}
return json+"}";
return json.append("}").toString();
} else if (v==null) {
// else int/double/null
return "null";
@ -652,7 +652,7 @@ public class BangleJSDeviceSupport extends AbstractBTLEDeviceSupport {
/**
* Handle "act" packet, used to send activity reports
*/
private void handleActivity(JSONObject json) throws JSONException {
private void handleActivity(JSONObject json) {
BangleJSActivitySample sample = new BangleJSActivitySample();
int timestamp = (int) (json.optLong("ts", System.currentTimeMillis()) / 1000);
int hrm = json.optInt("hrm", 0);
@ -1146,14 +1146,14 @@ public class BangleJSDeviceSupport extends AbstractBTLEDeviceSupport {
}
if (hasCJK) {
// split every 2 chars
String result = "";
StringBuilder result = new StringBuilder();
for (int i=0;i<word.length();i+=2) {
int len = 2;
if (i+len > word.length())
len = word.length()-i;
result += renderUnicodeWordPartAsImage(word.substring(i, i+len));
result.append(renderUnicodeWordPartAsImage(word.substring(i, i + len)));
}
return result;
return result.toString();
}
// else just render the word as-is
return renderUnicodeWordPartAsImage(word);
@ -1170,7 +1170,8 @@ public class BangleJSDeviceSupport extends AbstractBTLEDeviceSupport {
if (!devicePrefs.getBoolean(PREF_BANGLEJS_TEXT_BITMAP, false))
return EmojiConverter.convertUnicodeEmojiToAscii(txt, GBApplication.getContext());
// Otherwise split up and check each word
String word = "", result = "";
String word = "";
StringBuilder result = new StringBuilder();
boolean needsTranslate = false;
for (int i=0;i<txt.length();i++) {
char ch = txt.charAt(i);
@ -1181,16 +1182,16 @@ public class BangleJSDeviceSupport extends AbstractBTLEDeviceSupport {
else if (ch =='。') ch='.';
else if (ch =='【') ch='[';
else if (ch =='】') ch=']';
else if (ch=='' || ch=='' || ch =='' || ch=='' || ch=='' || ch=='ʹ') ch='\'';
else if (ch=='' || ch=='' || ch=='' || ch=='' || ch=='ʹ') ch='\'';
else if (ch=='“' || ch=='”' || ch =='„' || ch=='‟' || ch=='″') ch='"';
// chars which break words up
if (" -_/:.,?!'\"&*()[]".indexOf(ch)>=0) {
// word split
if (needsTranslate) { // convert word
LOG.info("renderUnicodeAsImage converting " + word);
result += renderUnicodeWordAsImage(word)+ch;
result.append(renderUnicodeWordAsImage(word)).append(ch);
} else { // or just copy across
result += word+ch;
result.append(word).append(ch);
}
word = "";
needsTranslate = false;
@ -1202,11 +1203,11 @@ public class BangleJSDeviceSupport extends AbstractBTLEDeviceSupport {
}
if (needsTranslate) { // convert word
LOG.info("renderUnicodeAsImage converting " + word);
result += renderUnicodeWordAsImage(word);
result.append(renderUnicodeWordAsImage(word));
} else { // or just copy across
result += word;
result.append(word);
}
return result;
return result.toString();
}
/// Crop a text string to ensure it's not longer than requested
@ -1492,7 +1493,8 @@ public class BangleJSDeviceSupport extends AbstractBTLEDeviceSupport {
} else {
o.put("value", card.getCardId());
}
o.put("type", card.getBarcodeFormat().toString());
if (card.getBarcodeFormat() != null)
o.put("type", card.getBarcodeFormat().toString());
if (card.getExpiry() != null)
o.put("expiration", card.getExpiry().getTime()/1000);
o.put("color", card.getColor());
@ -1505,7 +1507,7 @@ public class BangleJSDeviceSupport extends AbstractBTLEDeviceSupport {
o.put("balance", renderUnicodeAsImage(cropToLength(card.getBalance() +
" " + balanceType, 20)));
}
if (card.getNote() != "")
if (card.getNote() != null)
o.put("note", renderUnicodeAsImage(cropToLength(card.getNote(),200)));
a.put(o);
}