ANDROID Toast Notification Usage example detailed _android

This example describes the Android toast notification usage. Share to everyone for your reference, specific as follows:

Toast displays a message to the user on the phone screen, and the information disappears automatically after a period of time.

1. Default usage

Copy Code code as follows:

Toast.maketext (Getapplicationcontext (), "Default Toast style", Toast.length_short). Show ();

The usage in 2.Fragment

Copy Code code as follows:

Toast.maketext (Getactivity (), "Network connection error, please check network Settings", Toast.length_long). Show ();

3. Customize the display position effect

Toast = Toast.maketext (Getapplicationcontext (), "Custom location Toast", Toast.length_long);
Toast.setgravity (gravity.center, 0, 0);
Toast.show ();

4. With picture effect

Toast = Toast.maketext (Getapplicationcontext (), "toast with pictures", toast.length_long);
Toast.setgravity (gravity.center, 0, 0);
LinearLayout Toastview = (linearlayout) toast.getview ();
ImageView imagecodeproject = new ImageView (Getapplicationcontext ());
Imagecodeproject.setimageresource (R.drawable.icon);
Toastview.addview (imagecodeproject, 0);
Toast.show ();

5. Full Custom effect

Layoutinflater inflater = Getlayoutinflater ();
View layout = Inflater.inflate (R.layout.custom, (ViewGroup) Findviewbyid (r.id.lltoast));
ImageView image = (ImageView) Layout.findviewbyid (r.id.tvimagetoast);
Image.setimageresource (R.drawable.icon);
TextView title = (TextView) Layout.findviewbyid (r.id.tvtitletoast);
Title.settext ("Attention");
TextView Text = (TextView) Layout.findviewbyid (r.id.tvtexttoast);
Text.settext ("Fully customizable Toast");
Toast = new Toast (Getapplicationcontext ());
Toast.setgravity (Gravity.right | Gravity.top,);
Toast.setduration (Toast.length_long);
Toast.setview (layout);
Toast.show ();

6. Other Threads

Main.java Code:

Package com.wjq.toast;
Import android.app.Activity;
Import Android.os.Bundle;
Import Android.os.Handler;
Import android.view.Gravity;
Import Android.view.LayoutInflater;
Import Android.view.View;
Import Android.view.ViewGroup;
Import Android.view.View.OnClickListener;
Import Android.widget.ImageView;
Import Android.widget.LinearLayout;
Import Android.widget.TextView;
Import Android.widget.Toast;
  public class Main extends activity implements Onclicklistener {Handler Handler = new Handler ();
    @Override public void OnCreate (Bundle savedinstancestate) {super.oncreate (savedinstancestate);
    Setcontentview (R.layout.main);
    Findviewbyid (R.id.btnsimpletoast). Setonclicklistener (this);
    Findviewbyid (r.id.btnsimpletoastwithcustomposition). Setonclicklistener (this);
    Findviewbyid (r.id.btnsimpletoastwithimage). Setonclicklistener (this);
    Findviewbyid (R.id.btncustomtoast). Setonclicklistener (this);
  Findviewbyid (R.id.btnruntoastfromotherthread). Setonclicklistener (this); }
  public void Showtoast () {handler.post, new Runnable () {@Override public void run () {Toast.mak EText (Getapplicationcontext (), "I come from other threads!"
      ", Toast.length_short). Show ();
  }
    });
    @Override public void OnClick (View v) {Toast Toast = null; Switch (V.getid ()) {Case R.id.btnsimpletoast:toast.maketext (Getapplicationcontext (), default Toast style, Toast.length_
      Short). Show ();
    Break Case r.id.btnsimpletoastwithcustomposition:toast = Toast.maketext (Getapplicationcontext (), "Custom location toast", Toast.LENG
      Th_long);
      Toast.setgravity (gravity.center, 0, 0);
      Toast.show ();
    Break
      Case r.id.btnsimpletoastwithimage:toast = Toast.maketext (Getapplicationcontext (), "Toast with picture", Toast.length_long);
      Toast.setgravity (gravity.center, 0, 0);
      LinearLayout Toastview = (linearlayout) Toast.getview ();
      ImageView imagecodeproject = new ImageView (Getapplicationcontext ()); Imagecodeproject.setimageresource (R.DRawable.icon);
      Toastview.addview (imagecodeproject, 0);
      Toast.show ();
    Break
      Case R.id.btncustomtoast:layoutinflater Inflater = Getlayoutinflater ();
      View layout = Inflater.inflate (R.layout.custom, (ViewGroup) Findviewbyid (r.id.lltoast));
      ImageView image = (ImageView) Layout.findviewbyid (r.id.tvimagetoast);
      Image.setimageresource (R.drawable.icon);
      TextView title = (TextView) Layout.findviewbyid (r.id.tvtitletoast);
      Title.settext ("Attention");
      TextView Text = (TextView) Layout.findviewbyid (r.id.tvtexttoast);
      Text.settext ("Fully customizable toast");
      Toast = new Toast (Getapplicationcontext ()); Toast.setgravity (Gravity.right |
      Gravity.top, 12, 40);
      Toast.setduration (Toast.length_long);
      Toast.setview (layout);
      Toast.show ();
    Break 
        Case R.id.btnruntoastfromotherthread:new Thread (new Runnable () {public void run () {showtoast ());
      }). Start ();
    Break
 } }
}

 

Main.xml Code:

<?xml version= "1.0" encoding= "Utf-8"?> <linearlayout xmlns:android= "http://schemas.android.com/apk/res/" Android "Android:layout_width=" Fill_parent "android:layout_height=" fill_parent "android:gravity=" center "android:o rientation= "vertical" android:padding= "5dip" > <button android:id= "@+id/btnsimpletoast" Android:layout_w
    Idth= "Fill_parent" android:layout_height= "wrap_content" android:text= "Default" > </Button> <button Android:id= "@+id/btnsimpletoastwithcustomposition" android:layout_width= "Fill_parent" android:layout_height= " 
    Wrap_content "android:text=" Custom display location > </Button> <button android:id= "@+id/btnsimpletoastwithimage" Android:layout_width= "Fill_parent" android:layout_height= "Wrap_content" android:text= "with pictures" > </Button > <button android:id= "@+id/btncustomtoast" android:layout_width= "Fill_parent" W Rap_content "android:text=" full customization> </Button> <button android:id= "@+id/btnruntoastfromotherthread" android:layout_width= "fill_parent

 "Android:layout_height=" Wrap_content "android:text=" Other Threads "> </Button> </LinearLayout>

Custom.xml:

<?xml version= "1.0" encoding= "Utf-8"?> <linearlayout xmlns:android= "http://schemas.android.com/apk/res/" Android "android:id=" @+id/lltoast "android:layout_width=" wrap_content "android:layout_height=" Wrap_content "Androi" D:background= "#ffffffff" android:orientation= "vertical" > <textview android:id= "@+id/tvtitletoast" Andro Id:layout_width= "Fill_parent" android:layout_height= "wrap_content" android:layout_margin= "1dip" android:backgr Ound= "#bb000000" android:gravity= "center" android:textcolor= "#ffffffff"/> <linearlayout android:id= "@ +id/lltoastcontent "android:layout_width=" wrap_content "android:layout_height=" Wrap_content "Android:layout_ma" Rginbottom= "1dip" android:layout_marginleft= "1dip" android:layout_marginright= "1dip" android:background= "#4400 0000 "android:orientation=" vertical "android:padding=" 15dip "> <imageview android:id=" @+id/tvimage Toast "Android:layout_width= "Wrap_content" android:layout_height= "wrap_content" android:layout_gravity= "center"/> <textview
      Android:id= "@+id/tvtexttoast" android:layout_width= "wrap_content" android:layout_height= "Wrap_content" android:gravity= "center" android:paddingleft= "10dip" android:paddingright= "10dip" android:textcolor= "

 #ff000000 "/> </LinearLayout> </LinearLayout>

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