MainActivity如下:
import android.app.Activity;
import android.app.AlertDialog.Builder;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;
public class MainActivity extends Activity {
private Button mListButton;
private Button mProgressButton;
private Dialog mListDialog;
private ProgressDialog mProgressDialog;
private int currentProgress=0;
private int maxProgress=100;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
init();
}
private void init(){
mListButton=(Button) findViewById(R.id.listDialogButton);
mListButton.setOnClickListener(new ButtonOnClickListenerImpl());
mProgressButton=(Button) findViewById(R.id.progressDialogButton);
mProgressButton.setOnClickListener(new ButtonOnClickListenerImpl());
}
private class ButtonOnClickListenerImpl implements OnClickListener {
@Override
public void onClick(View view) {
switch (view.getId()) {
case R.id.listDialogButton:
Builder listBuilder=new Builder(MainActivity.this);
listBuilder.setIcon(R.drawable.ic_launcher);
listBuilder.setTitle(getResources().getString(R.string.list_dialog_title));
listBuilder.setItems(getResources().getStringArray(R.array.listDialogArray), new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
String selected=getResources().getStringArray(R.array.listDialogArray)[which];
Toast.makeText(MainActivity.this,selected, Toast.LENGTH_SHORT).show();
}
});
mListDialog=listBuilder.create();
mListDialog.show();
break;
case R.id.progressDialogButton:
mProgressDialog=new ProgressDialog(MainActivity.this);
mProgressDialog.setMax(maxProgress);
mProgressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
mProgressDialog.setTitle(R.string.progress_dialog_title);
mProgressDialog.setIcon(R.drawable.ic_launcher);
mProgressDialog.setMessage(getResources().getString(R.string.progress_dialog_message));
mProgressDialog.setCancelable(false);
mProgressDialog.show();
new Thread(){
public void run() {
try {
while(currentProgress<=maxProgress){
mProgressDialog.setProgress(currentProgress++);
Thread.sleep(500);
}
mProgressDialog.cancel();
} catch (Exception e) {
mProgressDialog.cancel();
}
};
}.start();
break;
default:
break;
}
}
}
}
main.xml如下:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:gravity="center_horizontal"
android:orientation="vertical"
>
<Button
android:id="@+id/listDialogButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/listDialog_button"
android:layout_marginTop="100dip"
android:textSize="20sp"
/>
<Button
android:id="@+id/progressDialogButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/progressDialog_button"
android:layout_marginTop="100dip"
android:textSize="20sp"
/>
</LinearLayout>
