Android之对话框Dialog

//确认对话框
private void showLog1() {
AlertDialog.Builder dialog = new AlertDialog.Builder(this);
dialog.setTitle("清华大学"); //设置标题
dialog.setIcon(R.mipmap.ic_launcher);//设置图片
dialog.setMessage("确认报考清华大学？"); //设置内容
dialog.setPositiveButton("确认", new DialogInterface.OnClickListener() {//确认安妮
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(MainActivity.this, "你真棒", Toast.LENGTH_SHORT).show();
}
});
dialog.setNegativeButton("取消", new DialogInterface.OnClickListener() { //取消按钮
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(MainActivity.this, "真遗憾", Toast.LENGTH_SHORT).show();
}
});
dialog.show();//千万不要忘记将对话框show出来
}

//单选对话框
private void showLog2() {
AlertDialog.Builder dialog = new AlertDialog.Builder(this);
dialog.setTitle("选择性别");
dialog.setIcon(R.mipmap.ic_launcher);
dialog.setSingleChoiceItems(sex, 0, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
String str = sex[which];
Toast.makeText(MainActivity.this, "你选择了"+str, Toast.LENGTH_SHORT).show();
}
});
dialog.show();
}

//多选对话框
private void showLog3() {
AlertDialog.Builder dialog = new AlertDialog.Builder(this);
dialog.setTitle("爱好");
dialog.setIcon(R.mipmap.ic_launcher);
dialog.setMultiChoiceItems(favorite, null, new DialogInterface.OnMultiChoiceClickListener() {
@Override
public void onClick(DialogInterface dialog, int which, boolean isChecked) {
if(isChecked){
Toast.makeText(MainActivity.this, "我喜欢上了"+favorite[which]+"!", Toast.LENGTH_SHORT).show();
}else{
Toast.makeText(MainActivity.this, "我不喜欢"+favorite[which]+"!", Toast.LENGTH_SHORT).show();
}
}
});
dialog.setNegativeButton("取消", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
dialog.show(); }

//列表对话框
private void showLog4() {
AlertDialog.Builder dialog = new AlertDialog.Builder(this);
dialog.setTitle("爱好列表");
dialog.setIcon(R.mipmap.ic_launcher);
dialog.setItems(item, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(MainActivity.this, "我喜欢"+item[which]+"!", Toast.LENGTH_SHORT).show();
}
}); dialog.show();
}