android 确认对话框实例

package com.dialog; import android.app.Activity; import android.app.AlertDialog; import android.app.Dialog; import android.content.DialogInterface; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.LinearLayout; /** * 对话确认框例子代码 * @author CRF * */ public class exeDialogComfirm extends Activity { /** Called when the activity is first created. */ static final int DIALOG_PAUSED_ID = 0; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); LinearLayout layout = new LinearLayout(this); Button button = new Button(this); button.setText("I'm So great Button"); button.setOnClickListener(new OnClickListener() { public void onClick(View v) { showDialog(DIALOG_PAUSED_ID); } }); layout.addView(button); setContentView(layout); } @Override protected Dialog onCreateDialog(int id) { 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) { exeDialogComfirm.this.finish(); } }) .setNegativeButton("No", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { dialog.cancel(); } }); AlertDialog alert = builder.create(); return alert; } } -------------------------------------------------------------------- 例子二：提示信息窗口例子 package com.dialog; import android.app.Activity; import android.content.Context; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.LinearLayout; import android.widget.Toast; /** * 点击按钮，提示信息框例子 * @author CRF * */ public class excDialog extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // setContentView(R.layout.main); LinearLayout layout = new LinearLayout(this); Button button = new Button(this); button.setText("I'm So great Button"); button.setOnClickListener(new OnClickListener(){ public void onClick(View v) { //提示信息显示 Context context = getApplicationContext(); CharSequence text = "Hello toast!"; int duration = Toast.LENGTH_SHORT; Toast toast = Toast.makeText(context, text, duration); toast.show(); } }); layout.addView(button); setContentView(layout); } }

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