Toast will display a simple prompt message on the program interface

toast A simple prompt message will be displayed on the program interface
This information prompt box is used to generate simple prompt messages for users , It has the following characteristics
1、toast Prompt messages will not live in focus
2、toast The prompt message will disappear automatically after a period of time

send total Method of generating prompt message
1、 call toast Constructor , or maketext（） The static method creates one total object
2、 call toast Method to set the alignment of the message prompt , Margins, etc
3、 call toast Of show Method to show him
total The function and usage are relatively simple , Generally, simple text prompt information is displayed , If you need to display something like a picture , Complex tips like lists , It is generally recommended to use dialog boxes to complete , Or use toast Construction example , Calling setview Method to set the toast According to the view Components

public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.bt);

            Button bt = (Button) findViewById(R.id.bt01);
            bt.setOnClickListener(new OnClickListener() {

                    @Override
                    public void onClick(View arg0) {
                            // TODO Auto-generated method stub
                            //  Create a toast Prompt information  Toast.LENGTH_LONG) Prompt information time 
                            Toast ts = Toast.makeText(MainActivity.this, " I wish you a happy and bitter day , Mountains, rivers, stars and moon all make congratulatory gifts ",
                                            Toast.LENGTH_LONG);
                            ts.show();
                    }
            });
            Button bt1 = (Button) findViewById(R.id.bt02);
            //  Set the prompt message with picture 
            bt1.setOnClickListener(new OnClickListener() {

                    @Override
                    public void onClick(View arg0) {
                            // TODO Auto-generated method stub
                            //  Create a total Prompt information 
                            Toast ts = new Toast(MainActivity.this);
                            //  Set the prompt display position 
                            ts.setGravity(Gravity.CENTER, 0, 0);
                            //  Create a imageview
                            ImageView image = new ImageView(MainActivity.this);
                            image.setImageResource(R.drawable.love);
                            //  Create a linearlayout Containers 
                            LinearLayout ly = new LinearLayout(MainActivity.this);
                            //  Add pictures and original... To the container view
                            ly.addView(image);
                            //  Create a textview
                            TextView tv = new TextView(MainActivity.this);
                            tv.setText("love mia");
                            //  Set the size and font color of the text box 
                            tv.setTextSize(24);
                            tv.setTextColor(Color.MAGENTA);
                            ly.addView(tv);
                            //  Set display custom view
                            ts.setView(ly);
                            //  Set up toast Display time 
                            ts.setDuration(Toast.LENGTH_LONG);
                            ts.show();
                    }
            });
    }

}