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package org.madore.android.unicodeMap;
import java.util.Arrays;
import java.util.List;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.widget.*;
import android.app.ListActivity;
import android.app.ProgressDialog;
public final class UnicodeMapActivity extends ListActivity {
protected static enum UnicodeRange {
BASIC_LATIN(0x0000, 0x0080, "Basic Latin"),
LATIN_1_SUPPLEMENT(0x0080, 0x0100, "Latin-1 Supplement"),
LATIN_EXTENDED_A(0x0100, 0x0180, "Latin Extended-A"),
LATIN_EXTENDED_B(0x0180, 0x0250, "Latin Extended-B"),
IPA_EXTENSIONS(0x0250, 0x02b0, "IPA Extensions");
protected final int from; protected final int to;
protected final String descr;
UnicodeRange(int from, int to, String descr) {
this.from = from;
this.to = to;
this.descr = descr;
}
public String toString() { return this.descr; }
public int getFrom() { return this.from; }
public int getTo() { return this.to; }
}
protected final List<UnicodeRange> list
= Arrays.asList(UnicodeRange.values());
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
android.util.Log.v("UnicodeMapActivity", "creating activity");
final UnicodeDatabase db = new UnicodeDatabase(this);
final boolean needPopulate = db.needPopulate();
db.close();
if ( needPopulate ) {
final ProgressDialog progress = new ProgressDialog(this);
progress.setOwnerActivity(this);
progress.setTitle("Loading Unicode database");
progress.setMessage("Please wait");
progress.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
progress.setCancelable(false);
progress.show();
final Handler handler = new Handler() {
public void handleMessage(Message msg) {
int done = msg.getData().getInt("done");
int total = msg.getData().getInt("total");
progress.setMax(total);
progress.setProgress(done);
if ( done >= total )
progress.dismiss();
}
};
final Thread thr = new Thread() {
public void run() {
final UnicodeDatabase db
= new UnicodeDatabase(UnicodeMapActivity.this);
db.populate(handler);
}
};
thr.start();
}
setListAdapter(new ArrayAdapter<UnicodeRange>(this, R.layout.list_item, list));
ListView lv = getListView();
lv.setTextFilterEnabled(true);
lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
UnicodeRange it = (UnicodeRange)parent.getItemAtPosition(position);
Intent intent = new Intent(UnicodeMapActivity.this,
UnicodeListActivity.class);
intent.putExtra(UnicodeListActivity.EXTRA_FROM, it.getFrom());
intent.putExtra(UnicodeListActivity.EXTRA_TO, it.getTo());
startActivity(intent);
}
});
}
}
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