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package com.mapbox.mapboxsdk.testapp.activity.offline;
import android.content.Context;
import android.os.Bundle;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.text.InputType;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import com.mapbox.mapboxsdk.maps.MapView;
import com.mapbox.mapboxsdk.offline.OfflineManager;
import com.mapbox.mapboxsdk.offline.OfflineRegion;
import com.mapbox.mapboxsdk.testapp.R;
import com.mapbox.mapboxsdk.testapp.utils.OfflineUtils;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
/**
* Test activity showing integration of updating metadata of an OfflineRegion.
*/
public class UpdateMetadataActivity extends AppCompatActivity implements AdapterView.OnItemClickListener,
AdapterView.OnItemLongClickListener {
private OfflineRegionMetadataAdapter adapter;
private MapView mapView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_metadata_update);
ListView listView = findViewById(R.id.listView);
listView.setAdapter(adapter = new OfflineRegionMetadataAdapter(this));
listView.setEmptyView(findViewById(android.R.id.empty));
listView.setOnItemClickListener(this);
listView.setOnItemLongClickListener(this);
}
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
final OfflineRegion region = adapter.getItem(position);
String metadata = OfflineUtils.convertRegionName(region.getMetadata());
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("Rename metadata");
final EditText input = new EditText(this);
input.setText(metadata);
input.setInputType(InputType.TYPE_CLASS_TEXT);
if (metadata != null) {
input.setSelection(metadata.length());
}
builder.setView(input);
builder.setPositiveButton("OK", (dialog, which) ->
updateMetadata(region, OfflineUtils.convertRegionName(input.getText().toString()))
);
builder.setNegativeButton("Cancel", (dialog, which) -> dialog.cancel());
builder.show();
}
@Override
public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
ViewGroup container = findViewById(R.id.container);
container.removeAllViews();
container.addView(mapView = new MapView(view.getContext()));
mapView.onCreate(null);
mapView.getMapAsync(map -> map.setOfflineRegionDefinition(adapter.getItem(position).getDefinition()));
mapView.onStart();
mapView.onResume();
return true;
}
private void updateMetadata(OfflineRegion region, byte[] metadata) {
region.updateMetadata(metadata, new OfflineRegion.OfflineRegionUpdateMetadataCallback() {
@Override
public void onUpdate(byte[] metadata) {
adapter.notifyDataSetChanged();
}
@Override
public void onError(String error) {
Toast.makeText(
UpdateMetadataActivity.this,
"Region metadata update failed with " + error,
Toast.LENGTH_LONG
).show();
}
});
}
@Override
protected void onStart() {
super.onStart();
loadOfflineRegions();
}
private void loadOfflineRegions() {
OfflineManager.getInstance(this).listOfflineRegions(new OfflineManager.ListOfflineRegionsCallback() {
@Override
public void onList(OfflineRegion[] offlineRegions) {
if (offlineRegions != null && offlineRegions.length > 0) {
adapter.setOfflineRegions(Arrays.asList(offlineRegions));
}
}
@Override
public void onError(String error) {
Toast.makeText(UpdateMetadataActivity.this, "Error loading regions " + error, Toast.LENGTH_LONG).show();
}
});
}
@Override
protected void onDestroy() {
super.onDestroy();
if (mapView != null) {
mapView.onPause();
mapView.onStop();
mapView.onDestroy();
}
}
private static class OfflineRegionMetadataAdapter extends BaseAdapter {
private Context context;
private List<OfflineRegion> offlineRegions;
OfflineRegionMetadataAdapter(Context ctx) {
context = ctx;
offlineRegions = new ArrayList<>();
}
void setOfflineRegions(List<OfflineRegion> offlineRegions) {
this.offlineRegions = offlineRegions;
notifyDataSetChanged();
}
@Override
public int getCount() {
return offlineRegions.size();
}
@Override
public OfflineRegion getItem(int position) {
return offlineRegions.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder;
if (convertView == null) {
holder = new ViewHolder();
convertView = LayoutInflater.from(context).inflate(android.R.layout.simple_list_item_1, parent, false);
holder.text = (TextView) convertView.findViewById(android.R.id.text1);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
holder.text.setText(OfflineUtils.convertRegionName(getItem(position).getMetadata()));
return convertView;
}
static class ViewHolder {
TextView text;
}
}
}
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