Following line will use to delete messages.
mContext.getContentResolver().delete(Uri.parse("content://sms/"), null, null);
We also need following permission in project’s Manifest file
<uses-permission android:name="android.permission.WRITE_SMS"/>
Complete code is below:
[sociallocker]
activity_main.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" > <Button android:id="@+id/btnDeleteAllMessages" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Delete All Messages" /> </RelativeLayout>
MainActivity.java
import android.app.Activity; import android.content.Context; import android.net.Uri; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.Toast; public class MainActivity extends Activity { private Context mContext; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mContext=this; Button btnDeleteAllMessages=(Button)findViewById(R.id.btnDeleteAllMessages); btnDeleteAllMessages.setOnClickListener(new OnClickListener() { @Override public void onClick(View arg0) { if(deleteAllMessages()){ Toast.makeText(mContext, "All messages are deleted.", Toast.LENGTH_LONG).show(); }else{ Toast.makeText(mContext, "Sorry we can't delete messages.", Toast.LENGTH_LONG).show(); } } }); } private boolean deleteAllMessages(){ boolean isDeleted=false; try { mContext.getContentResolver().delete(Uri.parse("content://sms/"), null, null); isDeleted = true; } catch (Exception ex) { isDeleted = false; } return isDeleted; }
[/sociallocker]