Delete, make a phone call, send a text message dialog box

1-kehoutiactivity.java

Package Com.example.lenovo.textapp4;import Android.app.alertdialog;import Android.content.dialoginterface;import Android.content.intent;import Android.net.uri;import Android.support.v7.app.appcompatactivity;import Android.os.bundle;import Android.view.view;import Android.widget.edittext;import Android.widget.Toast;public class    Kehoutiactivity extends Appcompatactivity {EditText et_1;        @Override protected void OnCreate (Bundle savedinstancestate) {super.oncreate (savedinstancestate);    Setcontentview (R.layout.activity_kehouti); The public void bt_1 (View v) {alertdialog-alertdialog=new alertdialog.builder (this). Settitle (" Prompt "). Setmessage (" OK to delete? \ n to delete, tap yes "). Setpositivebutton (" Yes ", new Dialoginterface.onclickl                        Istener () {@Override public void OnClick (Dialoginterface dialog, int which) { Toast.maketext (Kehoutiactivity.this, "deleted", Toast.length_shoRT). Show (); }}). Setnegativebutton ("No", new Dialoginterface.onclicklistener () {@Ove Rride public void OnClick (Dialoginterface dialog, int which) {Toast.maketext (Ke                    Houtiactivity.this, "not deleted", Toast.length_short). Show ();    }}). Show ();        public void Bt_2 (View v) {Final View view=view.inflate (this, r.layout.shurudianhuahaoma, null);        et_1= (EditText) View.findviewbyid (r.id.et_1);    New Alertdialog.builder (this). Settitle ("Please enter a phone number"). Setview (view). Show ();        Public String Getphone () {string Phone=et_1.gettext (). toString (). Trim (); if (Phone.trim (). Length () ==0) {Toast.maketext (kehoutiactivity.this, "Please fill in the correct phone number", toast.length_short). Sh            ow ();        return null;    } return phone; } public void Bt_11 (View v)    {String phone=getphone ();        if (phone==null) return;        Intent intent=new Intent (intent.action_dial);        Uri Uri=uri.parse ("Tel:" + phone);        Intent.setdata (URI);    StartActivity (Intent);        Public String GetMessage () {String message = Et_1.gettext (). toString (). Trim ();             if (Message.length () ==0) {Toast.maketext (kehoutiactivity.this, "Please fill in the correct phone number", Toast.length_short). Show ();        return null;    } return message;          public void bt_22 (View v) {String message = GetMessage ();          if (message = = null) return;          Uri Smstouri = Uri.parse ("Smsto:message");         Intent Intent = new Intent (intent.action_sendto, Smstouri);         Intent.setdata (Uri.parse ("Smsto:" +message));    StartActivity (Intent); }}

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2-activity_kehouti.xml

<?XML version= "1.0" encoding= "Utf-8"?><LinearLayoutxmlns: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"Android:paddingbottom= "@dimen/activity_vertical_margin"Android:paddingleft= "@dimen/activity_horizontal_margin"Android:paddingright= "@dimen/activity_horizontal_margin"Android:paddingtop= "@dimen/activity_vertical_margin"Tools:context= "Com.example.lenovo.textapp4.KehoutiActivity"android:orientation= "vertical">    <ButtonAndroid:layout_width= "Match_parent"Android:layout_height= "Wrap_content"Android:text= "Delete"Android:onclick= "Bt_1"/>    <ButtonAndroid:layout_width= "Match_parent"Android:layout_height= "Wrap_content"Android:text= "Jump"Android:onclick= "Bt_2"/></LinearLayout>

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3-shuruhaoma.xml

<?XML version= "1.0" encoding= "Utf-8"?><LinearLayoutxmlns:android= "Http://schemas.android.com/apk/res/android"android:orientation= "vertical"Android:layout_width= "Match_parent"Android:layout_height= "Match_parent">    <EditTextAndroid:layout_width= "Match_parent"Android:layout_height= "Wrap_content"Android:id= "@+id/et_1"Android:inputtype= "Phone"/>    <LinearLayoutAndroid:layout_width= "Match_parent"Android:layout_height= "Wrap_content"android:orientation= "Horizontal">        <ButtonAndroid:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:layout_weight= "1"Android:text= "Outgoing call to this number"Android:onclick= "Bt_11"/>        <ButtonAndroid:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:layout_weight= "1"Android:text= "Send SMS to this number"Android:onclick= "Bt_22"/>    </LinearLayout></LinearLayout>

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Delete, make a phone call, send a text message dialog box