Android开发丶自定义Dialog并设置宽高适应子布局XML

package com.fantasychong.customdialogtest1108; import android.app.Dialog; import android.support.v7.app.AlertDialog; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.Display; import android.view.LayoutInflater; import android.view.View; import android.view.Window; import android.view.WindowManager; import android.widget.Button; import android.widget.ImageView; import android.widget.LinearLayout; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); findViewById(R.id.main_btn).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { //加载自定义布局并初始化控件 AlertDialog.Builder builder= new AlertDialog.Builder(MainActivity.this); View view= LayoutInflater.from(MainActivity.this).inflate(R.layout.custom_share_dialog, null); ImageView wechat= view.findViewById(R.id.dialog_wechat); ImageView wechatmoment= view.findViewById(R.id.dialog_wechatmoment); final Dialog dialog= builder.create(); dialog.show(); Window window= dialog.getWindow(); window.setContentView(view); //弹窗时隐藏软键盘 window.clearFlags(WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM); //设置dialog弹窗宽高 WindowManager.LayoutParams params= window.getAttributes(); //dialog宽高适应子布局xml params.height= LinearLayout.LayoutParams.WRAP_CONTENT; params.width= LinearLayout.LayoutParams.MATCH_PARENT; // //dialog宽高适应屏幕 // WindowManager manager= getWindowManager(); // Display display= manager.getDefaultDisplay(); // params.height= (int) (display.getHeight()* 0.8); // params.width= (int) (display.getWidth()* 0.5); window.setAttributes(params); wechat.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { dialog.dismiss(); } }); wechatmoment.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { dialog.dismiss(); } }); } }); } }