这个ContactPicker就是自己写一个Intent Filter 去接收ContactPickerTest中发过来的动作，由ContactPicker负责打开联系人表，再返回指定联系人！我知道可以从ContactPickerTest中直接打开联系人，写这个ContactPicker主要是为了练一下Intent Filter，但不知为何每次按了BUTTON之后都会报错，请高手们指教一下
ContactPickerActivity.java
package org.example.ContactPicker;
import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.Contacts.People;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
import android.widget.SimpleCursorAdapter;
@SuppressWarnings("deprecation")
public class ContactPickerActivity extends Activity {
public String TAG ="ContactPicker";
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Log.d("TAG","onCreate");
setContentView(R.layout.main);
Intent intent = getIntent();
final String dataPath = intent.getData().toString();
Uri uri = Uri.parse(dataPath + "people/");
final Cursor cursor = managedQuery(uri,null,null,null,null);
Log.d(TAG,"success get cursor");
String[] from = new String[] {People.NAME};
int[] to = new int[] {R.id.my_list_view_item};
SimpleCursorAdapter adapter = new SimpleCursorAdapter(this, R.layout.list_view_item, cursor, from, to);
ListView lv =(ListView)findViewById(R.id.myListView);
lv.setAdapter(adapter);
lv.setOnItemClickListener(new OnItemClickListener(){
@Override
public void onItemClick(AdapterView<?> parent, View view, int position,
long id) {
// TODO Auto-generated method stub
cursor.moveToPosition(position);
int rowId = cursor.getInt(cursor.getColumnIndexOrThrow("_id"));
Uri outUri =Uri.parse(dataPath + rowId);
Intent outData = new Intent();
outData.setData(outUri);
setResult(Activity.RESULT_OK,outData);
finish();
}
});
}
}
ContactPickerTest.java
package org.example.ContactPicker;
import android.app.Activity;
import android.content.ActivityNotFoundException;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.Contacts.People;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
@SuppressWarnings("deprecation")
public class ContactPickerTest extends Activity {
public static final int PICK_CONTACT = 1;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.test_main_layout);
Button button = (Button)findViewById(R.id.button);
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
//Intent intent = new Intent(Intent.ACTION_PICK,Uri.parse("content://contacts/"));
try
{
Intent intent = new Intent();
intent.setAction(Intent.ACTION_PICK);
intent.setData(Uri.parse("content://contacts/"));
startActivityForResult(intent, PICK_CONTACT);