Sunday, June 17, 2012

Android: Toast Example

In Android,Toast is a notification message that usees to displays a message to the user and message will disappear automatically after a certain period of time. Information can be simple text, it can be complex pictures and other content (shows a view) .

Android_Toast_Example Android_Toast_Example


main.xml:
<?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:orientation="vertical" >

<Button android:id="@+id/button1"
 android:layout_width="fill_parent"
 android:layout_height="wrap_content"
 android:text="Toast View"
/>
<Button android:id="@+id/button2"
 android:layout_width="fill_parent"
 android:layout_height="wrap_content"
 android:text=" Custom Toast View"
/>
</LinearLayout>


Add Layout for Toast my_toast.xml:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:background="@drawable/toast_border_one" >
    <ImageView 
        android:src="@drawable/warning"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        />
<TextView
    android:layout_width="wrap_content" 
    android:id="@+id/TextViewInfo"
    android:layout_height="wrap_content" 
    android:text="Your error message here"
    android:layout_gravity="center_vertical"
     >  
</TextView>
</LinearLayout>


ToastActivity.java:
public class ToastActivity extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
    
     Button btnone=(Button)findViewById(R.id.button1);
     btnone.setOnClickListener(btnoneListner);
     
     Button btntwo=(Button)findViewById(R.id.button2);
     btntwo.setOnClickListener(btntwoListner);
    }
    OnClickListener btnoneListner=new OnClickListener() {
  
  @Override
  public void onClick(View v) {
   // TODO Auto-generated method stub
   Toast.makeText(ToastActivity.this,"Your Text
           Here",Toast.LENGTH_LONG).show();
  }
 };
    OnClickListener btntwoListner=new OnClickListener() {
  
  @Override
  public void onClick(View v) {
   // TODO Auto-generated method stub
   showToast();
  }
 };
 public void showToast()
 {
       View toastRoot = getLayoutInflater()
                            .inflate(R.layout.my_toast, null);
       Toast toast=new Toast(getApplicationContext());
       toast.setView(toastRoot);
       toast.setGravity(Gravity.CENTER, 0, 40);
       toast.setDuration(Toast.LENGTH_LONG);
       TextView tv=(TextView)toastRoot.findViewById(R.id.TextViewInfo);
       tv.setText("Your error message here");
       toast.show();
 }
}


Download Source Code: CustomToast









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