First show the renderings of the four dialog boxes:
normal dialog
Radio Dialog:
Multiple selection dialog:
Progress bar dialog:
A simple layout with four buttons:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" tools:context=".MainActivity" > <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:onClick="click1" android:text="普通对话框" /> <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:onClick="click2" android:text="单选对话框" /> <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:onClick="click3" android:text="多选对话框" /> <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:onClick="click4" android:text="进度条对话框" /> </LinearLayout>
Four dialog boxes:
package org.dreamtech.dialog; import android.os.Bundle; import android.os.SystemClock; import android.app.Activity; import android.app.AlertDialog; import android.app.AlertDialog.Builder; import android.app.ProgressDialog; import android.content.DialogInterface; import android.content.DialogInterface.OnClickListener; import android.content.DialogInterface.OnMultiChoiceClickListener; import android.view.View; import android.widget.Toast; public class MainActivity extends Activity { @Override protected void onCreate (Bundle savedInstanceState) { super .onCreate (savedInstanceState); setContentView(R.layout.activity_main); } // Ordinary dialog public void click1(View v) { AlertDialog.Builder builder = new Builder(this); builder.setTitle( "Dialog Title" ); builder.setMessage( "Dialog content" ); builder.setPositiveButton("确认", new OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { Toast.makeText(getApplicationContext(), "Clicked the OK button" , Toast.LENGTH_LONG).show(); } }); builder.setNegativeButton("取消", new OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { Toast.makeText(getApplicationContext(), "Clicked the cancel button" , Toast.LENGTH_LONG).show(); } }); builder.show(); } // Single selection dialog public void click2(View v) { AlertDialog.Builder builder = new Builder(this); builder.setTitle( "Dialog Title" ); final String items[] = { "Option 1", "Option 2", "Option 3" }; builder.setSingleChoiceItems(items, -1, new OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { String item = items[which]; Toast.makeText(getApplicationContext(), "selected" + item, Toast.LENGTH_LONG).show(); dialog.dismiss(); } }); builder.show(); } // Multiple selection dialog public void click3(View v) { AlertDialog.Builder builder = new Builder(this); builder.setTitle( "Dialog Title" ); final String items[] = { "Option 1", "Option 2", "Option 3" }; final boolean checkItems[] = { false , false , false }; builder.setMultiChoiceItems(items, checkItems, new OnMultiChoiceClickListener() { @Override public void onClick(DialogInterface dialog, int which, boolean isChecked) { } }); builder.setPositiveButton("确定", new OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { StringBuffer sb = new StringBuffer(); for (int i = 0; i < checkItems.length; i++) { if (checkItems[i]) { String choice = items[i]; sb.append(choice + " "); } } Toast.makeText(getApplicationContext(), "selected" + sb.toString(), Toast.LENGTH_LONG).show(); dialog.dismiss(); } }); builder.show(); } // Progress bar dialog public void click4(View v) { final ProgressDialog dialog = new ProgressDialog( this ); dialog.setTitle( "Loading" ); dialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); dialog.show(); new Thread() { public void run() { dialog.setMax(100); for (int i = 0; i <= 100; i++) { dialog.setProgress(i); SystemClock.sleep(50); } dialog.dismiss(); }; }.start(); } }