Andriod studio学习 之 对话框

Dialog对话框

一 常用的对话框

1.普通对话框

//普通对话框
        public void  normal_dialog(){
            WindowManager.LayoutParams lp = getWindow().getAttributes();
            AlertDialog.Builder builder = new AlertDialog.Builder(this);
            //设置属性
            builder.setIcon(R.drawable.ic_launcher_background);//设置图标
            builder.setTitle("hello body");//设置标题
            builder.setMessage("这是内容");//设置内容
    
            //设置确定按钮
            builder.setPositiveButton("ok", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    Toast.makeText(MainActivity.this, "你点击了ok", Toast.LENGTH_SHORT).show();
                }
            });
            //设置取消按钮
            builder.setNegativeButton("cancel", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    Toast.makeText(MainActivity.this, "你点击了cancle", Toast.LENGTH_SHORT).show();
                }
            });
            //使用建造者创建对话框
            AlertDialog dialog = builder.create();
            //显示
            dialog.show();

2.单选对话框

//单选对话框
    public void single_dialog(){
        //构建者
        AlertDialog.Builder builder = new AlertDialog.Builder(this);
        //设置属性
        builder.setIcon(R.drawable.ic_launcher_background);//设置图标
        builder.setTitle("好好学习了吗?");//设置标题
        builder.setPositiveButton("ok", new DialogInterface.OnClickListener() {
            @Override
            public void onClick( DialogInterface dialog, int which) {
                Toast.makeText(MainActivity.this, "你点击了ok", Toast.LENGTH_SHORT).show();  
            }
        });
        builder.setNegativeButton("cancle", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                Toast.makeText(MainActivity.this, "你点击了Cancle", Toast.LENGTH_SHORT).show();
            }
        });
        final String[] items={"是的","没有","还行"};
        //设置单选列表
        //参数一 列表 参数二 默认选中下表 参数三 事件监听
        builder.setSingleChoiceItems(items, 2, new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                Toast.makeText(MainActivity.this, "你选择"+items[which], Toast.LENGTH_SHORT).show();
            }
        });
        //使用建造者创建对话框
        AlertDialog dialog = builder.create();
        //显示
        dialog.show();

3.多选对话框

private void mulite_dialog(){
        final String[] items ={"凤姐","小赵","如花","翠花"};
        final boolean[] flags={true,true,true,false};
        //构建者
        AlertDialog.Builder builder = new AlertDialog.Builder(this);
        //画图
        builder.setIcon(R.drawable.ic_launcher_background);
        builder.setTitle("小姐姐们");//设置标题
        builder.setPositiveButton("ok", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                for (int i = 0; i < flags.length; i++) {
                    if (flags[i]){
                        Toast.makeText(MainActivity.this, "是", Toast.LENGTH_SHORT).show();
                    }
                }
            }
        });
        builder.setNegativeButton("cancle", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                Toast.makeText(MainActivity.this, "你点击了cancle", Toast.LENGTH_SHORT).show();
            }
        });
        //设置多选列表
        //参数一 列表 参数二 默认选中下表 参数三 事件监听
        builder.setMultiChoiceItems(items, flags, new DialogInterface.OnMultiChoiceClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which, boolean isChecked) {
                flags[which]=isChecked;
            }
        });
        //使用建造者创建对话框
        AlertDialog dialog = builder.create();
        //显示
        dialog.show();
    }

4.自定义对话框

private void Mydialog(){
        View view = LayoutInflater.from(MainActivity.this).inflate(R.layo