Android Alert Dialog with ListView and Example of Simple AlertDialog

Here with Below Code for Use in  Eclipse with Android SDK ,you can create Simple Demo for Custom Alert Dialog With ListView in it .

First Things in for Use of java Code files is Below:

In Activity 's OnCreate Method Add Following Code .


mButton = (Button) findViewById(R.id.btnalert);
mButton_Sample=(Button)findViewById(R.id.simpleid);
mListview = new ListView(this);
values = new String[] { "ListItem1", "ListItem2", "ListItem3",
"ListItem4", "ListItem5", "ListItem6", "ListItem7",
"ListItem8", "ListItem9", "ListItem10" };
   //Adapter Use in ListView
adpter = new ArrayAdapter<String>(this,R.layout.simplelist_item_text, values);

mListview.setOnItemClickListener(this);
mListview.setAdapter(adpter);
prepareAlertDialog();

mButton_Sample.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
SimpleAlertDialog();
}
});

mButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
mAlertDialog.show();
}
});


And Now After OnCreate Method brace Complete Add Following Method For Create Alert Dialog

This Method Create AlertDialog With ListView in it.

public void prepareAlertDialog() {
WindowManager.LayoutParams lp = new WindowManager.LayoutParams();
AlertDialog.Builder mBuider = new AlertDialog.Builder(
CustomAlertDialogActivity.this);
mBuider.setTitle("ListItems");
mBuider.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {

// Do what you like on Ok Button
}
});
mBuider.setNegativeButton("Cancel",
new DialogInterface.OnClickListener() {

@Override
public void onClick(DialogInterface dialog, int which) {
dialog.cancel();
}
});
mBuider.setView(mListview);
mAlertDialog = mBuider.create();

lp.copyFrom(mAlertDialog.getWindow().getAttributes());

}



//This Method For Create Simple AlertDialog In android

public void SimpleAlertDialog(){
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setMessage("Are you sure you want to exit?")
      .setCancelable(false)
      .setPositiveButton("Yes", new DialogInterface.OnClickListener() {
          public void onClick(DialogInterface dialog, int id) {
          CustomAlertDialogActivity.this.finish();
          }
      })
      .setNegativeButton("No", new DialogInterface.OnClickListener() {
          public void onClick(DialogInterface dialog, int id) {
               dialog.cancel();
          }
      });
AlertDialog alert = builder.create();
alert.show();
}




And Finally Don't Forget To Activity to implements OnItemClickListener for Override this method used for Listview item.

@Override
public void onItemClick(AdapterView<?> adapter, View view, int position,
long log) {
// Do what you want on List Item Click
TextView mTextView;
mTextView = (TextView) view;
String txtstr;
txtstr = mTextView.getText().toString();
Toast.makeText(CustomAlertDialogActivity.this, "Your Select Item  is "+  txtstr, Toast.LENGTH_SHORT).show();
mAlertDialog.cancel();
}

in Your Class File Add Following Class member on Top


        ListView mListview;
Button mButton,mButton_Sample;
AlertDialog mAlertDialog;
String[] values;
ArrayAdapter<String> adpter;




Here are Some Used Layout Files in Demo.
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" >

    <TextView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/hello" />
  
    <Button
        android:text="OpenAlert"
        android:id="@+id/btnalert"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        />
  
    <Button
        android:id="@+id/simpleid"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="SimpleDialog"
        />

</LinearLayout>


<---------------------------------------                    ----------------------------------------------->
simplelist_item_text.xml

You can use this xml for text context in ListView to change Color,textsize,font etc

<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@android:id/text1"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:textAppearance="?android:attr/textAppearanceLarge"
    android:gravity="center_vertical"
    android:paddingLeft="6dip"
    android:minHeight="?android:attr/listPreferredItemHeight"
    android:textColor="#0000FF"
/>