[mobile] improve debug view

- ListView should be significantly faster thanks to the ViewHolder pattern
- ability to remove/copy items be long-pressing them
This commit is contained in:
fkloft
2014-08-13 11:41:42 +02:00
parent ad07f8685c
commit e3542dabbf
6 changed files with 185 additions and 82 deletions

View File

@ -1,6 +1,5 @@
package com.cradle.iitc_mobile;
import android.annotation.SuppressLint;
import android.database.DataSetObserver;
import android.view.View;
import android.view.ViewGroup;
@ -12,50 +11,52 @@ import com.cradle.iitc_mobile.Log.Message;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.text.SimpleDateFormat;
public class IITC_LogAdapter extends ArrayAdapter<Log.Message> implements Log.Receiver {
@SuppressLint("SimpleDateFormat")
private static final SimpleDateFormat FORMATTER = new SimpleDateFormat("HH:mm:ss.SSS");
private final IITC_Mobile mIitc;
private int mObservers = 0;
private IITC_Mobile mIitc;
public IITC_LogAdapter(IITC_Mobile iitc) {
public IITC_LogAdapter(final IITC_Mobile iitc) {
super(iitc, 0);
mIitc = iitc;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
Message item = getItem(position);
View v = mIitc.getLayoutInflater().inflate(R.layout.view_log_msg, parent, false);
public View getView(final int position, View v, final ViewGroup parent) {
final Message item = getItem(position);
ViewHolder holder;
if (v != null && v.getTag() != null && v.getTag() instanceof ViewHolder) {
holder = (ViewHolder) v.getTag();
} else {
v = mIitc.getLayoutInflater().inflate(R.layout.view_log_msg, parent, false);
holder = new ViewHolder();
holder.icon = (ImageView) v.findViewById(R.id.log_type);
holder.tag = (TextView) v.findViewById(R.id.log_tag);
holder.time = (TextView) v.findViewById(R.id.log_time);
holder.msg = (TextView) v.findViewById(R.id.log_msg);
v.setTag(holder);
}
ImageView iv = (ImageView) v.findViewById(R.id.log_type);
switch (item.getPriority()) {
case Log.ASSERT:
case Log.ERROR:
iv.setImageResource(R.drawable.ic_action_error_red);
holder.icon.setImageResource(R.drawable.ic_action_error_red);
break;
case Log.WARN:
iv.setImageResource(R.drawable.ic_action_warning_yellow);
holder.icon.setImageResource(R.drawable.ic_action_warning_yellow);
break;
default:
iv.setImageResource(R.drawable.ic_action_about);
holder.icon.setImageResource(R.drawable.ic_action_about);
}
TextView tv;
tv = (TextView) v.findViewById(R.id.log_tag);
tv.setText(item.getTag());
tv = (TextView) v.findViewById(R.id.log_time);
tv.setText(FORMATTER.format(item.getDate()));
holder.tag.setText(item.getTag());
holder.time.setText(item.getDateString());
String msg = item.getMsg();
if (item.getTr() != null) {
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
final StringWriter sw = new StringWriter();
final PrintWriter pw = new PrintWriter(sw);
item.getTr().printStackTrace(pw);
if (msg == null || msg.isEmpty())
@ -64,8 +65,7 @@ public class IITC_LogAdapter extends ArrayAdapter<Log.Message> implements Log.Re
msg += "\n" + sw.toString();
}
tv = (TextView) v.findViewById(R.id.log_msg);
tv.setText(msg);
holder.msg.setText(msg);
return v;
}
@ -75,27 +75,6 @@ public class IITC_LogAdapter extends ArrayAdapter<Log.Message> implements Log.Re
return 1;
}
@Override
public void unregisterDataSetObserver(DataSetObserver observer) {
super.unregisterDataSetObserver(observer);
mObservers--;
if (mObservers < 1) {
clear();
Log.removeReceiver(this);
}
}
@Override
public void registerDataSetObserver(DataSetObserver observer) {
super.registerDataSetObserver(observer);
if (mObservers < 1)
Log.addReceiver(this);
mObservers++;
}
@Override
public void handle(final Message message) {
mIitc.runOnUiThread(new Runnable() {
@ -105,4 +84,32 @@ public class IITC_LogAdapter extends ArrayAdapter<Log.Message> implements Log.Re
}
});
}
@Override
public void registerDataSetObserver(final DataSetObserver observer) {
super.registerDataSetObserver(observer);
if (mObservers < 1)
Log.addReceiver(this);
mObservers++;
}
@Override
public void unregisterDataSetObserver(final DataSetObserver observer) {
super.unregisterDataSetObserver(observer);
mObservers--;
if (mObservers < 1) {
clear();
Log.removeReceiver(this);
}
}
private class ViewHolder {
private ImageView icon;
private TextView msg;
private TextView tag;
private TextView time;
}
}