package?com.dialog;
import?android.os.Bundle;
import?android.app.Activity;
import?android.app.AlertDialog;
import?android.content.DialogInterface;
import?android.view.Menu;
import?android.view.View;
import?android.view.View.OnClickListener;
import?android.widget.Toast;
public?class?MainActivity?extends?Activity?{
@Override
protected?void?onCreate(Bundle?savedInstanceState)?{
super.onCreate(savedInstanceState);
setContentView(R.layout.item);
init();
}
private?void?init(){
findViewById(R.id.Button).setOnClickListener(new?OnClickListener()?{
@Override
public?void?onClick(View?v)?{
//?TODO?Auto-generated?method?stub
show();
}
});
}
private?void?show(){
AlertDialog.Builder?bulider?=?new?AlertDialog.Builder(this);
bulider.setTitle("確認對話框");
bulider.setIcon(R.drawable.ic_launcher);
bulider.setMessage("確認退出?");
bulider.setPositiveButton("確定",?new?DialogInterface.OnClickListener()?{
@Override
public?void?onClick(DialogInterface?dialog,?int?which)?{
//?TODO?Auto-generated?method?stub
Toast.makeText(MainActivity.this,?"點擊了確定按鈕",?Toast.LENGTH_LONG).show();
}
});
bulider.setNegativeButton("取消",?new?DialogInterface.OnClickListener()?{
@Override
public?void?onClick(DialogInterface?dialog,?int?which)?{
//?TODO?Auto-generated?method?stub
Toast.makeText(MainActivity.this,?"點擊了取消按鈕",?Toast.LENGTH_LONG).show();
}
});
AlertDialog?dialog?=?bulider.create();
dialog.show();
}
}
2016-09-12
我也是,你解決了沒有?
2015-11-29
最好把錯誤信息貼出來。剛剛在我的android studio中測試可以運行的
2015-11-29
應該有提示空指針出現在哪一行的