Thank you asheesh!!!!
On Wednesday, October 17, 2012 2:34:36 PM UTC+5:30, asheesh arya wrote:
>
> this is the code how to delete the contact,calender and sms using checkbox
>
> --------------------------------------------------------------------------------------------------------------------
> import java.util.Vector;
> import android.app.Activity;
> import android.content.ContentResolver;
> import android.database.Cursor;
> import android.net.Uri;
> import android.os.Bundle;
> import android.provider.Contacts;
> import android.util.Log;
> import android.view.View;
> import android.widget.Button;
> import android.widget.CheckBox;
> import android.widget.Toast;
> public class deleteall extends Activity {
> String TAG = "Delete Activity";
> ContentResolver cr = null;
> Activity m_activity = this;
> /** Called when the activity is first created. */
> @Override
> public void onCreate(Bundle savedInstanceState) {
> super.onCreate(savedInstanceState);
> setContentView(R.layout.main7);
> cr = getContentResolver();
> Button button = null;
> button = (Button)findViewById(R.id.Button01);//delete button
> if(button != null){
> button.setOnClickListener(new View.OnClickListener(){
>
> @Override
> public void onClick(View v) {
> // TODO Auto-generated method stub
> CheckBox checkbox = null;
> checkbox =
> (CheckBox)findViewById(R.id.CheckBox01);//contact checkbox
> if(checkbox != null){
> if(checkbox.isChecked()){
> deleteAllContact();
> }
> }
> checkbox =
> (CheckBox)findViewById(R.id.CheckBox02);//calendar checkbox
> if(checkbox != null){
> if(checkbox.isChecked()){
> deleteAllCalendar();
> }
> }
> checkbox =
> (CheckBox)findViewById(R.id.CheckBox03);//sms checkbox
> if(checkbox != null){
> if(checkbox.isChecked()){
> deleteAllSms();
> }
> }
> }
> }
> );
> }
> button = (Button)findViewById(R.id.Button02);//exit button
> if(button != null){
> button.setOnClickListener(new View.OnClickListener(){
>
> @Override
> public void onClick(View v) {
> // TODO Auto-generated method stub
> m_activity.finish();
> }
> }
> );
> }
> Log.i(TAG, "Out onCreate()");
> }
>
> void deleteAllContact(){
> Log.i(TAG, "In deleteAllContact()");
> Uri uri_contacts = Contacts.People.CONTENT_URI;
> String[] projection = {Contacts.People._ID};
> int columnIndex = 0;
> String str_id = "";
> Vector<String> vector_id = new Vector<String>();
> int delRow = 0;
> String where = "";
> try {
> Cursor cursor = cr.query(uri_contacts, projection, null, null,
> null);
> if(cursor.moveToFirst()){
> do{
> columnIndex =
> cursor.getColumnIndex(Contacts.People._ID);
> str_id = cursor.getString(columnIndex);
> vector_id.add(str_id);
> }while(cursor.moveToNext());
> }
> cursor.close();
> for(int i=0; i<vector_id.size(); i++){
> str_id = vector_id.get(i);
> where = Contacts.People._ID+"="+str_id;
> delRow = cr.delete(uri_contacts, where, null);
> Log.i(TAG, "deleteAllContact(),delRow:"+delRow);
> }
> } catch (Exception e) {
> // TODO Auto-generated catch block
> Log.e(TAG, "deleteAllContact(),Exception");
> e.printStackTrace();
> }
> Log.i(TAG, "Out deleteAllContact()");
> Toast.makeText(this, "All Contacts from your mobile deleted
> sucessfully",
> Toast.LENGTH_LONG).show();
> }
>
> void deleteAllCalendar(){
> Log.i(TAG, "In deleteAllCalendar()");
> String strUriEvents = "content://calendar/events";
> Uri uri_calendar = Uri.parse(strUriEvents);
> String str_column_name = "_id";
> String[] projection = {str_column_name};
> int columnIndex = 0;
> String str_id = "";
> Vector<String> vector_id = new Vector<String>();
> int delRow = 0;
> String where = "";
> try {
> Cursor cursor = cr.query(uri_calendar, projection, null, null,
> null);
> if(cursor.moveToFirst()){
> do{
> columnIndex =
> cursor.getColumnIndex(str_column_name);
> str_id = cursor.getString(columnIndex);
> vector_id.add(str_id);
> }while(cursor.moveToNext());
> }
> cursor.close();
> for(int i=0; i<vector_id.size(); i++){
> str_id = vector_id.get(i);
> where = str_column_name+"="+str_id;
> delRow = cr.delete(uri_calendar, where, null);
> Log.i(TAG, "deleteAllCalendar(),delRow:"+delRow);
> }
> } catch (Exception e) {
> // TODO Auto-generated catch block
> Log.e(TAG, "deleteAllCalendar(),Exception");
> e.printStackTrace();
> }
> Log.i(TAG, "Out deleteAllCalendar()");
> Toast.makeText(this, "All Calender from your mobile deleted
> sucessfully",
> Toast.LENGTH_LONG).show();
> }
>
> void deleteAllSms(){
> Log.i(TAG, "In deleteAllSms()");
> Uri uri_sms = Uri.parse("content://sms");;
> String str_column_name = "_id";
> String[] projection = {str_column_name};
> int columnIndex = 0;
> String str_id = "";
> Vector<String> vector_id = new Vector<String>();
> int delRow = 0;
> String where = "";
> try {
> Cursor cursor = cr.query(uri_sms, projection, null, null,
> null);
> if(cursor.moveToFirst()){
> do{
> columnIndex =
> cursor.getColumnIndex(str_column_name);
> str_id = cursor.getString(columnIndex);
> vector_id.add(str_id);
> }while(cursor.moveToNext());
> }
> cursor.close();
> for(int i=0; i<vector_id.size(); i++){
> str_id = vector_id.get(i);
> where = str_column_name+"="+str_id;
> delRow = cr.delete(uri_sms, where, null);
> Log.i(TAG, "deleteAllSms(),delRow:"+delRow);
> }
> } catch (Exception e) {
> // TODO Auto-generated catch block
> Log.e(TAG, "deleteAllSms(),Exception");
> e.printStackTrace();
> }
> Log.i(TAG, "Out deleteAllSms()");
> Toast.makeText(this, "All Sms from your mobile deleted
> sucessfully",
> Toast.LENGTH_LONG).show();
> }
> }
> ----------------------------------------------------------------------------xml
>
> file-----------------------------------------------------------------------
> <?xml version="1.0" encoding="utf-8"?>
> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android";
> android:orientation="vertical"
> android:layout_width="fill_parent"
> android:layout_height="fill_parent"
> android:background="@drawable/delete"
> >
> <LinearLayout android:id="@+id/LinearLayout01"
> android:layout_width="wrap_content"
> android:layout_height="wrap_content"
> android:layout_gravity="center">
>
> <TextView
> android:layout_width="fill_parent"
> android:layout_height="wrap_content"
> android:text="@string/app_name"
> android:textSize="20px"/>
> </LinearLayout>
> <LinearLayout
> android:id="@+id/LinearLayout02"
> android:layout_width="wrap_content"
> android:layout_height="wrap_content"
> android:orientation="vertical"
> android:layout_gravity="center"
> android:layout_weight="1">
> <CheckBox android:id="@+id/CheckBox01"
> android:layout_width="wrap_content"
> android:layout_height="wrap_content"
> android:text="Contacts"
> android:textSize="20px">
>
> </CheckBox>
> <CheckBox android:id="@+id/CheckBox02"
> android:layout_width="wrap_content"
> android:layout_height="wrap_content"
> android:text="Calendar"
> android:textSize="20px">
>
> </CheckBox>
> <CheckBox
> android:id="@+id/CheckBox03"
> android:layout_width="wrap_content"
> android:layout_height="wrap_content"
> android:text="SMS"
> android:textSize="20px">
>
> </CheckBox>
>
> </LinearLayout>
>
>
>
> <LinearLayout
> android:id="@+id/LinearLayout03"
> android:layout_height="wrap_content"
> android:layout_gravity="center"
> android:layout_width="wrap_content">
> <Button android:id="@+id/Button01"
> android:layout_height="wrap_content"
> android:text="Delete"
> android:layout_width="wrap_content"
> android:width="100px">
>
> </Button>
> <Button android:id="@+id/Button02"
> android:layout_height="wrap_content"
> android:text="Exit"
> android:layout_width="wrap_content"
> android:width="100px">
>
> </Button>
> </LinearLayout>
>
>
>
> </LinearLayout>
>
>
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