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revise ActionBar samples to include an action view using SearchView,

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also modify the sub-menu item to something that makes sense
and demonstrate how to invalidate the action bar and redraw it

Change-Id: I84f5414c74ab47f7657c226daa2334e7e4449e91
This commit is contained in:
Scott Main
2010-11-29 15:55:21 -08:00
parent 6499e7fc3a
commit 6b7558c9a5
3 changed files with 61 additions and 13 deletions
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49
samples/ApiDemos/src/com/example/android/apis/app/ActionBarUsage.java
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@@ -16,9 +16,14 @@
package com.example.android.apis.app;
import android.app.Activity;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.widget.SearchView;
import android.widget.SearchView.OnQueryChangeListener;
import android.widget.TextView;
import android.widget.Toast;
import com.example.android.apis.R;
@@ -29,14 +34,35 @@ import com.example.android.apis.R;
* menu data itself. If you'd like to see how these things work under the hood, see
* ActionBarMechanics.
*/
public class ActionBarUsage extends Activity {
public class ActionBarUsage extends Activity implements OnQueryChangeListener {
TextView mSearchText;
int mSortMode = -1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mSearchText = new TextView(this);
setContentView(mSearchText);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.actions, menu);
SearchView searchView = (SearchView) menu.findItem(R.id.action_search).getActionView();
searchView.setOnQueryChangeListener(this);
return true;
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
if (mSortMode != -1) {
Drawable icon = menu.findItem(mSortMode).getIcon();
menu.findItem(R.id.action_sort).setIcon(icon);
}
return super.onPrepareOptionsMenu(menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
Toast.makeText(this, "Selected Item: " + item.getTitle(), Toast.LENGTH_SHORT).show();
@@ -46,7 +72,24 @@ public class ActionBarUsage extends Activity {
// This method is specified as an onClick handler in the menu xml and will
// take precedence over the Activity's onOptionsItemSelected method.
// See res/menu/actions.xml for more info.
public void onSearch(MenuItem item) {
Toast.makeText(this, "Searching...", Toast.LENGTH_SHORT).show();
public void onSort(MenuItem item) {
mSortMode = item.getItemId();
// Request a call to onPrepareOptionsMenu so we can change the sort icon
invalidateOptionsMenu();
}
// The following callbacks are called for the SearchView.OnQueryChangeListener
// For more about using SearchView, see src/.../view/SearchView1.java and SearchView2.java
@Override
public boolean onQueryTextChanged(String newText) {
newText = newText.isEmpty() ? "" : "Query so far: " + newText;
mSearchText.setText(newText);
return true;
}
@Override
public boolean onSubmitQuery(String query) {
Toast.makeText(this, "Searching for: " + query + "...", Toast.LENGTH_SHORT).show();
return true;
}
}