AndroidでProgressDialogを表示する

プログレスバーを表示する

package com.example.progresstest;

import android.app.Activity;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;

public class MainActivity extends Activity {
	private EditText mResultText = null;
	private ProgressDialog mProgressDialog;
	private int mProgress = 0;
	private Handler mProgressHandler = null;
	
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        Button button;
        button = (Button) findViewById(R.id.ButtonAlertDialogOK);
        button.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View v) {
				mProgressDialog = new ProgressDialog(MainActivity.this);
				mProgressDialog.setTitle("Progress Dialod");
				mProgressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
				mProgressDialog.setMax(100);
				mProgressDialog.setButton
                                ("OK", new DialogInterface.OnClickListener() {			
					@Override
					public void onClick(DialogInterface dialog, int which) {
						mResultText.setText(
                                                    "Progress Dialog [OK] pressed at "
                                                    + mProgress + "%");
					}
				});
				mProgressDialog.setButton2
                                ("Cancel", new DialogInterface.OnClickListener() {
					@Override
					public void onClick(DialogInterface dialog, int which) {
						mResultText.setText(
                                                    "Progress Dialog [Cancel] pressed at "
                                                    + mProgress + "%");
					}
				});
				mProgress = 0;
				mProgressDialog.show();
				mProgressDialog.setProgress(0);
				mProgressHandler.sendEmptyMessage(0);
			}
		});
        mResultText = (EditText) findViewById(R.id.TextResult);
        mProgressHandler = new Handler() {
        	@Override
        	public void handleMessage(Message msg) {
        		super.handleMessage(msg);
        		if (mProgress >= 100) {
        			mProgressDialog.dismiss();
        			mResultText.setText("Progress Dialog finished " + mProgress + "%");
        		} else {
        			mProgress++;
        			mProgressDialog.incrementProgressBy(1);
        			mProgressHandler.sendEmptyMessageDelayed(0, 100);
        		}
        	}
        };
    }
}

ProgressDialogの表示形式

// プログレスバーの表示
setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);

// 渦巻きタイプの表示
setProgressStyle(ProgressDialog.STYLE_SPIN);

プログレスバーのタイプと渦巻きタイプの2種類のみが定義されています。