自定义AlertDialog(仿微信)

来源：互联网发布：网站流量统计软件编辑：程序博客网时间：2024/05/20 16:12

安卓自定义AlertDialog，原理很简单：

AlertDialog dialog = new AlertDialog.Builder(MainActivity.this).create();  dialog.show();  Window window = dialog.getWindow();  window.setContentView(R.layout.alert_dialog);

通过window设置自定义dialog布局；

效果如图：
这里写图片描述
主界面MainActivity代码：

import android.app.Activity;  import android.app.AlertDialog;  import android.os.Bundle;  import android.view.View;  import android.view.View.OnClickListener;  import android.view.Window;  import android.widget.Button;  import android.widget.TextView;  import android.widget.Toast;  public class MainActivity extends Activity {      AlertDialog dialog=null;      @Override      protected void onCreate(Bundle savedInstanceState) {          super.onCreate(savedInstanceState);          setContentView(R.layout.activity_main);          dialog = new AlertDialog.Builder(MainActivity.this).create();          Button btn = (Button) findViewById(R.id.btn);          btn.setOnClickListener(new OnClickListener() {              @Override              public void onClick(View arg0) {                  dialog.show();                  Window window = dialog.getWindow();                  window.setContentView(R.layout.alert_dialog);                  //选项1                  ((TextView)window.findViewById(R.id.tv_item1)).setOnClickListener(new OnClickListener() {                      @Override                      public void onClick(View arg0) {                          Toast.makeText(getApplicationContext(), "选项1", Toast.LENGTH_LONG).show();                          dialog.cancel();                      }                  });                //选项2                  ((TextView)window.findViewById(R.id.tv_item2)).setOnClickListener(new OnClickListener() {                      @Override                      public void onClick(View arg0) {                          Toast.makeText(getApplicationContext(), "选项2", Toast.LENGTH_LONG).show();                          dialog.cancel();                      }                  });              }          });      }  }

源码下载地址

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