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