Android alertDialog

Android alertDialog

package com.example.dialogue; import android.app.Activity; import android.app.AlertDialog; import android.app.Dialog; import android.content.DialogInterface; import android.os.Bundle; import android.view.Menu; import android.widget.Toast; public class MainActivity extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); final String[] arrayFruit = new String[] { "苹果", "橘子", "草莓", "香蕉" }; final boolean[] arrayFruitSelected = new boolean[] { true, true, false, false }; Dialog alertDialog = new AlertDialog.Builder(this) .setTitle("你喜欢吃哪种水果？") .setIcon(R.drawable.ic_launcher) .setMultiChoiceItems(arrayFruit, arrayFruitSelected, new DialogInterface.OnMultiChoiceClickListener() { @Override public void onClick(DialogInterface dialog, int which, boolean isChecked) { arrayFruitSelected[which] = isChecked; } }) .setPositiveButton("确认", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { StringBuilder stringBuilder = new StringBuilder(); for (int i = 0; i < arrayFruitSelected.length; i++) { if (arrayFruitSelected[i] == true) { stringBuilder.append(arrayFruit[i] + "、"); } } Toast.makeText(MainActivity.this, stringBuilder.toString(), Toast.LENGTH_SHORT) .show(); } }) .setNegativeButton("取消", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { // TODO Auto-generated method stub } }).create(); alertDialog.show(); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } }

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