本文实例分析了Android中AlertDialog用法,分享给大家供大家参考,具体如下:
Android中AlertDialog为一些程序提供了对话框,有些功能能够进一步满足程序的需要。下面举例介绍。
程序如下:
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import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
public class A01Activity extends Activity {
Button b;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super .onCreate(savedInstanceState);
setContentView(R.layout.main);
b=(Button)findViewById(R.id.button);
b.setOnClickListener( new OnClickListener(){
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
new AlertDialog.Builder(A01Activity. this )
.setTitle(R.string.str_title)
.setIcon(R.drawable.fei)
.setMessage(R.string.str_message)
.setPositiveButton( "OK" , new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
finish(); //结束该程序的Activity
}
})
//返回该程序的Activity
.setNegativeButton( "NO" , new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
}
}).show();
}
});
}
}
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希望本文所述对大家Android程序设计有所帮助。