Android之对话框Dialog

首先是确认对话框

//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

 //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

 //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

 //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();

    }