1 files changed, 168 insertions, 0 deletions
diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/offline/DeleteRegionActivity.java b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/offline/DeleteRegionActivity.java
new file mode 100644
index 0000000000..220f46f4e8
--- /dev/null
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/offline/DeleteRegionActivity.java
@@ -0,0 +1,168 @@
+package com.mapbox.mapboxsdk.testapp.activity.offline;
+
+import android.content.Context;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.support.v7.app.AlertDialog;
+import android.support.v7.app.AppCompatActivity;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.AdapterView;
+import android.widget.BaseAdapter;
+import android.widget.ListView;
+import android.widget.TextView;
+import android.widget.Toast;
+
+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 deleting an OfflineRegion.
+ */
+public class DeleteRegionActivity extends AppCompatActivity implements AdapterView.OnItemClickListener {
+
+  private OfflineRegionAdapter adapter;
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    setContentView(R.layout.activity_offline_region_delete);
+
+    ListView listView = (ListView) findViewById(R.id.listView);
+    listView.setAdapter(adapter = new OfflineRegionAdapter(this));
+    listView.setEmptyView(findViewById(android.R.id.empty));
+    listView.setOnItemClickListener(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("Delete region");
+
+    final TextView input = new TextView(this);
+    input.setText(metadata);
+    builder.setView(input);
+
+    builder.setPositiveButton("OK", new DialogInterface.OnClickListener() {
+      @Override
+      public void onClick(DialogInterface dialog, int which) {
+        delete(region);
+      }
+    });
+    builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
+      @Override
+      public void onClick(DialogInterface dialog, int which) {
+        dialog.cancel();
+      }
+    });
+
+    builder.show();
+  }
+
+  private void delete(OfflineRegion region) {
+    region.delete(new OfflineRegion.OfflineRegionDeleteCallback() {
+      @Override
+      public void onDelete() {
+        Toast.makeText(
+          DeleteRegionActivity.this,
+          "Region deleted",
+          Toast.LENGTH_SHORT
+        ).show();
+        loadOfflineRegions();
+      }
+
+      @Override
+      public void onError(String error) {
+        Toast.makeText(
+          DeleteRegionActivity.this,
+          "Region deletion 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(DeleteRegionActivity.this, "Error loading regions " + error, Toast.LENGTH_LONG).show();
+      }
+    });
+  }
+
+  private static class OfflineRegionAdapter extends BaseAdapter {
+
+    private Context context;
+    private List<OfflineRegion> offlineRegions;
+
+    OfflineRegionAdapter(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;
+    }
+  }
+}