public class MainActivity extends Activity implements View.OnClickListener {   private int i = -1;   @Override  public void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.activity_main);    findViewById(R.id.basic_test).setOnClickListener(this);    findViewById(R.id.under_text_test).setOnClickListener(this);    findViewById(R.id.error_text_test).setOnClickListener(this);    findViewById(R.id.success_text_test).setOnClickListener(this);    findViewById(R.id.warning_confirm_test).setOnClickListener(this);    findViewById(R.id.warning_cancel_test).setOnClickListener(this);    findViewById(R.id.custom_img_test).setOnClickListener(this);    findViewById(R.id.progress_dialog).setOnClickListener(this);  }   @Override  public void onClick(View v) {    switch (v.getId()) {      case R.id.basic_test:        // default title "Here's a message!"        SweetAlertDialog sd = new SweetAlertDialog(this);        sd.setCancelable(true);        sd.setCanceledOnTouchOutside(true);        sd.show();        break;      case R.id.under_text_test:        new SweetAlertDialog(this)            .setContentText("It's pretty, isn't it?")            .show();        break;      case R.id.error_text_test:        new SweetAlertDialog(this, SweetAlertDialog.ERROR_TYPE)            .setTitleText("Oops...")            .setContentText("Something went wrong!")            .show();        break;      case R.id.success_text_test:        new SweetAlertDialog(this, SweetAlertDialog.SUCCESS_TYPE)            .setTitleText("Good job!")            .setContentText("You clicked the button!")            .show();        break;      case R.id.warning_confirm_test:        new SweetAlertDialog(this, SweetAlertDialog.WARNING_TYPE)            .setTitleText("Are you sure?")            .setContentText("Won't be able to recover this file!")            .setConfirmText("Yes,delete it!")            .setConfirmClickListener(new SweetAlertDialog.OnSweetClickListener() {            @Override            public void onClick(SweetAlertDialog sDialog) {              // reuse previous dialog instance              sDialog.setTitleText("Deleted!")                  .setContentText("Your imaginary file has been deleted!")                  .setConfirmText("OK")                  .setConfirmClickListener(null)                  .changeAlertType(SweetAlertDialog.SUCCESS_TYPE);            }            })            .show();        break;      case R.id.warning_cancel_test:        new SweetAlertDialog(this, SweetAlertDialog.WARNING_TYPE)            .setTitleText("Are you sure?")            .setContentText("Won't be able to recover this file!")            .setCancelText("No,cancel plx!")            .setConfirmText("Yes,delete it!")            .showCancelButton(true)            .setCancelClickListener(new SweetAlertDialog.OnSweetClickListener() {              @Override              public void onClick(SweetAlertDialog sDialog) {                // reuse previous dialog instance, keep widget user state, reset them if you need                sDialog.setTitleText("Cancelled!")                    .setContentText("Your imaginary file is safe :)")                    .setConfirmText("OK")                    .showCancelButton(false)                    .setCancelClickListener(null)                    .setConfirmClickListener(null)                    .changeAlertType(SweetAlertDialog.ERROR_TYPE);                 // or you can new a SweetAlertDialog to show                /* sDialog.dismiss();                new SweetAlertDialog(SampleActivity.this, SweetAlertDialog.ERROR_TYPE)                    .setTitleText("Cancelled!")                    .setContentText("Your imaginary file is safe :)")                    .setConfirmText("OK")                    .show();*/              }            })            .setConfirmClickListener(new SweetAlertDialog.OnSweetClickListener() {              @Override              public void onClick(SweetAlertDialog sDialog) {                sDialog.setTitleText("Deleted!")                    .setContentText("Your imaginary file has been deleted!")                    .setConfirmText("OK")                    .showCancelButton(false)                    .setCancelClickListener(null)                    .setConfirmClickListener(null)                    .changeAlertType(SweetAlertDialog.SUCCESS_TYPE);              }            })            .show();        break;      case R.id.custom_img_test:        new SweetAlertDialog(this, SweetAlertDialog.CUSTOM_IMAGE_TYPE)            .setTitleText("Sweet!")            .setContentText("Here's a custom image.")            .setCustomImage(R.drawable.custom_img)            .show();        break;      case R.id.progress_dialog:        final SweetAlertDialog pDialog = new SweetAlertDialog(this, SweetAlertDialog.PROGRESS_TYPE)            .setTitleText("Loading");        pDialog.show();        pDialog.setCancelable(false);        new CountDownTimer(800 * 7, 800) {          public void onTick(long millisUntilFinished) {            // you can change the progress bar color by ProgressHelper every 800 millis            i++;            switch (i){              case 0:                pDialog.getProgressHelper().setBarColor(getResources().getColor(R.color.blue_btn_bg_color));                break;              case 1:                pDialog.getProgressHelper().setBarColor(getResources().getColor(R.color.material_deep_teal_50));                break;              case 2:                pDialog.getProgressHelper().setBarColor(getResources().getColor(R.color.success_stroke_color));                break;              case 3:                pDialog.getProgressHelper().setBarColor(getResources().getColor(R.color.material_deep_teal_20));                break;              case 4:                pDialog.getProgressHelper().setBarColor(getResources().getColor(R.color.material_blue_grey_80));                break;              case 5:                pDialog.getProgressHelper().setBarColor(getResources().getColor(R.color.warning_stroke_color));                break;              case 6:                pDialog.getProgressHelper().setBarColor(getResources().getColor(R.color.success_stroke_color));                break;            }          }           public void onFinish() {            i = -1;            pDialog.setTitleText("Success!")                .setConfirmText("OK")                .changeAlertType(SweetAlertDialog.SUCCESS_TYPE);          }        }.start();        break;    }  }}

<?xml version="1.0" encoding="utf-8"?><ScrollView android:layout_width="match_parent"   android:layout_height="match_parent"   android:background="#FFF"   xmlns:android="http://schemas.android.com/apk/res/android">    <RelativeLayout android:layout_width="match_parent"      android:paddingBottom="10dp"      android:layout_height="wrap_content">       <ImageView         android:id="@+id/logo_img"         android:layout_width="180dp"         android:layout_height="wrap_content"         android:src="@drawable/logo_big"         android:layout_marginTop="10dp"         android:layout_marginBottom="15dp"         android:layout_centerHorizontal="true"         android:contentDescription="@string/app_name"/>          <TextView            android:id="@+id/txt_0"            android:layout_alignLeft="@id/logo_img"            android:layout_below="@id/logo_img"            android:layout_marginLeft="15dp"            android:text="show material progress"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:textSize="14sp"            android:textColor="#797979"/>          <Button            android:layout_centerHorizontal="true"            android:layout_below="@id/txt_0"            android:id="@+id/progress_dialog"            style="@style/dialog_blue_button"            android:layout_margin="10dp"            android:text="Try me!"/>         <TextView            android:id="@+id/txt_1"            android:layout_alignLeft="@id/logo_img"            android:layout_below="@id/progress_dialog"            android:layout_marginLeft="15dp"            android:text="A basic message"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:textSize="14sp"            android:textColor="#797979"/>         <Button            android:layout_centerHorizontal="true"            android:layout_below="@id/txt_1"            android:id="@+id/basic_test"            style="@style/dialog_blue_button"            android:layout_margin="10dp"            android:text="Try me!"/>        <TextView           android:id="@+id/txt_2"           android:layout_alignLeft="@id/logo_img"           android:layout_below="@id/basic_test"           android:layout_marginLeft="15dp"           android:text="A title with a text under"           android:layout_width="wrap_content"           android:layout_height="wrap_content"           android:textSize="14sp"           android:layout_marginTop="15dp"           android:textColor="#797979"/>        <Button           android:layout_centerHorizontal="true"           android:layout_below="@id/txt_2"           android:id="@+id/under_text_test"           style="@style/dialog_blue_button"           android:layout_margin="10dp"           android:text="Try me!"/>        <TextView           android:id="@+id/txt_3"           android:layout_alignLeft="@id/logo_img"           android:layout_below="@id/under_text_test"           android:layout_marginLeft="15dp"           android:text="show error message"           android:layout_width="wrap_content"           android:layout_height="wrap_content"           android:textSize="14sp"           android:layout_marginTop="15dp"           android:textColor="#797979"/>        <Button          android:layout_centerHorizontal="true"          android:layout_below="@id/txt_3"          android:id="@+id/error_text_test"          style="@style/dialog_blue_button"          android:layout_margin="10dp"          android:text="Try me!"/>        <TextView          android:id="@+id/txt_4"          android:layout_alignLeft="@id/logo_img"          android:layout_below="@id/error_text_test"          android:layout_marginLeft="15dp"          android:text="A success message"          android:layout_width="wrap_content"          android:layout_height="wrap_content"          android:textSize="14sp"          android:layout_marginTop="15dp"          android:textColor="#797979"/>        <Button          android:layout_centerHorizontal="true"          android:layout_below="@id/txt_4"          android:id="@+id/success_text_test"          style="@style/dialog_blue_button"          android:layout_margin="10dp"          android:text="Try me!"/>        <TextView          android:id="@+id/txt_5"          android:layout_alignLeft="@id/logo_img"          android:layout_below="@id/success_text_test"          android:layout_marginLeft="15dp"          android:text="A warning message, with a listener bind to the Confirm-button..."          android:layout_width="200dp"          android:layout_height="wrap_content"          android:textSize="14sp"          android:layout_marginTop="15dp"          android:textColor="#797979"/>       <Button          android:layout_centerHorizontal="true"          android:layout_below="@id/txt_5"          android:id="@+id/warning_confirm_test"          style="@style/dialog_blue_button"          android:layout_margin="10dp"          android:text="Try me!"/>       <TextView          android:id="@+id/txt_6"          android:layout_alignLeft="@id/logo_img"          android:layout_below="@id/warning_confirm_test"          android:layout_marginLeft="15dp"          android:text="A warning message, with listeners bind to Cancel and Confirm button..."          android:layout_width="200dp"          android:layout_height="wrap_content"          android:textSize="14sp"          android:layout_marginTop="15dp"          android:textColor="#797979"/>       <Button         android:layout_centerHorizontal="true"         android:layout_below="@id/txt_6"         android:id="@+id/warning_cancel_test"         style="@style/dialog_blue_button"         android:layout_margin="10dp"         android:text="Try me!"/>       <TextView         android:id="@+id/txt_7"         android:layout_alignLeft="@id/logo_img"         android:layout_below="@id/warning_cancel_test"         android:layout_marginLeft="15dp"         android:text="A message with a custom icon"         android:layout_width="200dp"         android:layout_height="wrap_content"         android:textSize="14sp"         android:layout_marginTop="15dp"         android:textColor="#797979"/>      <Button         android:layout_centerHorizontal="true"         android:layout_below="@id/txt_7"         android:id="@+id/custom_img_test"         style="@style/dialog_blue_button"         android:layout_margin="10dp"         android:text="Try me!"/>    </RelativeLayout></ScrollView>