Dialog弹窗

##弹窗

 Button bt1,bt2,bt3,bt4,bt5,bt6,bt7;
    int i;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        bt1=findViewById(R.id.bt1);
        bt2=findViewById(R.id.bt2);
        bt3=findViewById(R.id.bt3);
        bt4=findViewById(R.id.bt4);
        bt5=findViewById(R.id.bt5);
        bt6=findViewById(R.id.bt6);
        bt7=findViewById(R.id.bt7);

        //普通对话框
        bt1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
                builder.setIcon(R.mipmap.ic_launcher);
                builder.setTitle("普通对话框");
                builder.setMessage("请选择");
                builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialogInterface, int i) {
                        Toast.makeText(MainActivity.this, "你选择了确定", Toast.LENGTH_SHORT).show();
                    }
                });
                builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialogInterface, int i) {
                        Toast.makeText(MainActivity.this, "你选择了取消", Toast.LENGTH_SHORT).show();
                    }
                });
                AlertDialog dialog = builder.create();
                dialog.setCanceledOnTouchOutside(false);
                dialog.show();
            }
        });


        //进度条对话框
        bt2.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                final ProgressDialog progressDialog = new ProgressDialog(MainActivity.this);
                progressDialog.setIcon(R.mipmap.ic_launcher);
                progressDialog.setTitle("正在下载中。。。。。。");
                progressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
                progressDialog.setMax(100);
                progressDialog.onStart();
                progressDialog.setCanceledOnTouchOutside(false);
                progressDialog.show();

                new Thread(){
                    @Override
                    public void run() {
                        super.run();

                            try {
                                while (i<=100){
                                    Thread.sleep(500);
                                    progressDialog.setProgress(i);
                                    i+=10;
                                }
                                if (i>=100){
                                    progressDialog.dismiss();
                                }

                            } catch (InterruptedException e) {
                                e.printStackTrace();
                            }
                    }
                }.start();
            }
        });


        //日期对话框
        bt3.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                DatePickerDialog datePickerDialog=new DatePickerDialog(MainActivity.this, new DatePickerDialog.OnDateSetListener() {
                    @Override
                    public void onDateSet(DatePicker datePicker, int i, int i1, int i2) {
                        Toast.makeText(MainActivity.this, i+"年"+(i1+1)+"月"+i2+"日", Toast.LENGTH_SHORT).show();
                    }
                },2020,07,14);
                datePickerDialog.show();
            }
        });


        //时间对话框
        bt4.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                TimePickerDialog timePickerDialog = new TimePickerDialog(MainActivity.this, new TimePickerDialog.OnTimeSetListener() {
                    @Override
                    public void onTimeSet(TimePicker timePicker, int i, int i1) {
                        Toast.makeText(MainActivity.this, i+":"+i1, Toast.LENGTH_SHORT).show();
                    }
                },20,41,true);
                timePickerDialog.show();
            }
        });

        //列表对话框
        bt5.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
                builder.setTitle("请选择");
                builder.setIcon(R.mipmap.ic_launcher);
                final String[] strings = new String[]{"唱","跳","rap"};

                //单选对话框
//                builder.setSingleChoiceItems(strings, 1, new DialogInterface.OnClickListener() {
//                    @Override
//                    public void onClick(DialogInterface dialogInterface, int i) {
//                        Toast.makeText(MainActivity.this, "你的选择是"+i+"-"+strings[i], Toast.LENGTH_SHORT).show();
//                    }
//                });

                //多选对话框
                builder.setMultiChoiceItems(strings, new boolean[]{true, false, false}, new DialogInterface.OnMultiChoiceClickListener() {
                    @Override
                    public void onClick(DialogInterface dialogInterface, int i, boolean b) {
                        if (b==true){
                            Toast.makeText(MainActivity.this, "你的选择是"+i+"-"+strings[i], Toast.LENGTH_SHORT).show();
                        }
                    }
                });


                //列表对话框
//                builder.setItems(strings, new DialogInterface.OnClickListener() {
//                    @Override
//                    public void onClick(DialogInterface dialogInterface, int i) {
//                        Toast.makeText(MainActivity.this, "你的选择是"+i+"-"+strings[i], Toast.LENGTH_SHORT).show();
//                    }
//                });

                builder.show();
            }
        });

        //自定义对话框
        bt6.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                AlertDialog.Builder builder=new AlertDialog.Builder(MainActivity.this);
                View view1 = LayoutInflater.from(MainActivity.this).inflate(R.layout.item1_layout,null);
                builder.setTitle("自定义对话框");
                builder.setView(view1);
                Button bu1 = view1.findViewById(R.id.bu1);
                Button bu2 = view1.findViewById(R.id.bu2);
                final AlertDialog dialog = builder.create();
                dialog.show();
                bu1.setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View view) {
                        Toast.makeText(MainActivity.this, "确定", Toast.LENGTH_SHORT).show();
                        dialog.dismiss();
                    }
                });

                bu2.setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View view) {
                        Toast.makeText(MainActivity.this, "取消", Toast.LENGTH_SHORT).show();
                        dialog.dismiss();
                    }
                });
            }
        });


        bt7.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                final ProgressDialog progressDialog = new ProgressDialog(MainActivity.this);
                progressDialog.setIcon(R.mipmap.ic_launcher);
                progressDialog.setTitle("正在加载中。。。。。。");
                progressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
                progressDialog.setMax(100);
                progressDialog.onStart();
                progressDialog.setCanceledOnTouchOutside(false);
                progressDialog.show();

                new Thread(){
                    @Override
                    public void run() {
                        super.run();

                        try {
                            while (i<=100){
                                Thread.sleep(500);
                                progressDialog.setProgress(i);
                                i+=10;
                            }
                            if (i>=100){
                                Intent intent = new Intent();
                                intent.setClass(MainActivity.this,Main2Activity.class);
                                startActivity(intent);
                            }

                        } catch (InterruptedException e) {
                            e.printStackTrace();
                        }
                    }
                }.start();
            }
        });

    }