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ViewHolder Pattern Implemented

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This commit is contained in:
Sreeram Boyapati
2014-03-10 11:49:18 +05:30
parent 7d2c3f860e
commit b47f291d12
1 changed files with 39 additions and 26 deletions
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65
OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysAdapter.java
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@@ -42,7 +42,15 @@ public class ImportKeysAdapter extends ArrayAdapter<ImportKeysListEntry> {
protected Activity mActivity; protected Activity mActivity;
protected List<ImportKeysListEntry> data; protected List<ImportKeysListEntry> data;
static class ViewHolder{
private TextView mainUserId;
private TextView mainUserIdRest;
private TextView keyId;
private TextView fingerprint;
private TextView algorithm;
private TextView status;
}
public ImportKeysAdapter(Activity activity) { public ImportKeysAdapter(Activity activity) {
super(activity, -1); super(activity, -1);
mActivity = activity; mActivity = activity;
@@ -86,16 +94,21 @@ public class ImportKeysAdapter extends ArrayAdapter<ImportKeysListEntry> {
public View getView(int position, View convertView, ViewGroup parent) { public View getView(int position, View convertView, ViewGroup parent) {
ImportKeysListEntry entry = data.get(position); ImportKeysListEntry entry = data.get(position);
ViewHolder holder;
View view = mInflater.inflate(R.layout.import_keys_list_entry, null); if(convertView == null) {
holder = new ViewHolder();
TextView mainUserId = (TextView) view.findViewById(R.id.mainUserId); convertView = mInflater.inflate(R.layout.import_keys_list_entry, null);
TextView mainUserIdRest = (TextView) view.findViewById(R.id.mainUserIdRest); holder.mainUserId = (TextView) convertView.findViewById(R.id.mainUserId);
TextView keyId = (TextView) view.findViewById(R.id.keyId); holder.mainUserIdRest = (TextView) convertView.findViewById(R.id.mainUserIdRest);
TextView fingerprint = (TextView) view.findViewById(R.id.fingerprint); holder.keyId = (TextView) convertView.findViewById(R.id.keyId);
TextView algorithm = (TextView) view.findViewById(R.id.algorithm); holder.fingerprint = (TextView) convertView.findViewById(R.id.fingerprint);
TextView status = (TextView) view.findViewById(R.id.status); holder.algorithm = (TextView) convertView.findViewById(R.id.algorithm);
holder.status = (TextView) convertView.findViewById(R.id.status);
convertView.setTag(holder);
}
else{
holder = (ViewHolder)convertView.getTag();
}
// main user id // main user id
String userId = entry.userIds.get(0); String userId = entry.userIds.get(0);
String[] userIdSplit = PgpKeyHelper.splitUserId(userId); String[] userIdSplit = PgpKeyHelper.splitUserId(userId);
@@ -105,39 +118,39 @@ public class ImportKeysAdapter extends ArrayAdapter<ImportKeysListEntry> {
// show red user id if it is a secret key // show red user id if it is a secret key
if (entry.secretKey) { if (entry.secretKey) {
userIdSplit[0] = mActivity.getString(R.string.secret_key) + " " + userIdSplit[0]; userIdSplit[0] = mActivity.getString(R.string.secret_key) + " " + userIdSplit[0];
mainUserId.setTextColor(Color.RED); holder.mainUserId.setTextColor(Color.RED);
} }
mainUserId.setText(userIdSplit[0]); holder.mainUserId.setText(userIdSplit[0]);
} else { } else {
mainUserId.setText(R.string.user_id_no_name); holder.mainUserId.setText(R.string.user_id_no_name);
} }
// email // email
if (userIdSplit[1] != null) { if (userIdSplit[1] != null) {
mainUserIdRest.setText(userIdSplit[1]); holder.mainUserIdRest.setText(userIdSplit[1]);
mainUserIdRest.setVisibility(View.VISIBLE); holder.mainUserIdRest.setVisibility(View.VISIBLE);
} else { } else {
mainUserIdRest.setVisibility(View.GONE); holder.mainUserIdRest.setVisibility(View.GONE);
} }
keyId.setText(entry.hexKeyId); holder.keyId.setText(entry.hexKeyId);
if (entry.fingerPrint != null) { if (entry.fingerPrint != null) {
fingerprint.setText(mActivity.getString(R.string.fingerprint) + " " + entry.fingerPrint); holder.fingerprint.setText(mActivity.getString(R.string.fingerprint) + " " + entry.fingerPrint);
fingerprint.setVisibility(View.VISIBLE); holder.fingerprint.setVisibility(View.VISIBLE);
} else { } else {
fingerprint.setVisibility(View.GONE); holder.fingerprint.setVisibility(View.GONE);
} }
algorithm.setText("" + entry.bitStrength + "/" + entry.algorithm); holder.algorithm.setText("" + entry.bitStrength + "/" + entry.algorithm);
if (entry.revoked) { if (entry.revoked) {
status.setText(R.string.revoked); holder.status.setText(R.string.revoked);
} else { } else {
status.setVisibility(View.GONE); holder.status.setVisibility(View.GONE);
} }
LinearLayout ll = (LinearLayout) view.findViewById(R.id.list); LinearLayout ll = (LinearLayout) convertView.findViewById(R.id.list);
if (entry.userIds.size() == 1) { if (entry.userIds.size() == 1) {
ll.setVisibility(View.GONE); ll.setVisibility(View.GONE);
} else { } else {
@@ -162,10 +175,10 @@ public class ImportKeysAdapter extends ArrayAdapter<ImportKeysListEntry> {
} }
} }
CheckBox cBox = (CheckBox) view.findViewById(R.id.selected); CheckBox cBox = (CheckBox) convertView.findViewById(R.id.selected);
cBox.setChecked(entry.isSelected()); cBox.setChecked(entry.isSelected());
return view; return convertView;
} }
} }