Android多种dialog的实现方法(推荐)

  多种弹出对话框
  图片按钮
  单选按钮
  复选按钮
  关闭

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package com.example.shiyan1_4;
import android.app.Dialog;
import android.content.DialogInterface;
import android.preference.DialogPreference;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import static android.R.attr.id;
public class Shiyan1_4Activity extends AppCompatActivity {
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_shiyan1_4);
    ImageView img = (ImageView) findViewById(R.id.img);
    Button button1 = (Button) findViewById(R.id.button1);
    Button button2 = (Button) findViewById(R.id.button2);
    img.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        AlertDialog.Builder dialog1 = new AlertDialog.Builder(Shiyan1_4Activity.this);
        dialog1.setTitle(R.string.dialog_img)
            .setMessage("您点击了图片按钮！")
            .setNegativeButton(R.string.close, null)
            .create()
            .show();
      }
    });
    button1.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        AlertDialog.Builder dialog1 = new AlertDialog.Builder(Shiyan1_4Activity.this);
        String str1 = "";
        //获取复选按钮的值
        CheckBox Checkbox1 = (CheckBox)findViewById(R.id.Checkbox1);
        if(Checkbox1.isChecked()){
          str1 += Checkbox1.getText() + "is selected !";
        }
        CheckBox Checkbox2 = (CheckBox)findViewById(R.id.Checkbox2);
        if(Checkbox2.isChecked()){
          str1 += Checkbox2.getText() + " is selected !\n";
        }
        dialog1.setTitle(R.string.dialog_box)
            .setMessage(str1)
            .setNegativeButton(R.string.close, null)
            .create()
            .show();
      }
    });
    button2.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        AlertDialog.Builder dialog2 = new AlertDialog.Builder(Shiyan1_4Activity.this);
        String str2 = "";
        //获取单选按钮的值
        RadioGroup radioGroup = (RadioGroup)findViewById(R.id.radioGroup);
        for (int i = 0; i