Android自定义Dialog内部透明、外部遮罩效果

package com.gxjl.pe.gxjlpesdk.view; import android.app.Dialog;import android.content.Context;import android.os.Bundle;import android.support.annotation.NonNull;import android.support.annotation.Nullable;import android.util.DisplayMetrics;import android.view.Gravity;import android.view.View;import android.view.Window;import android.view.WindowManager;import android.widget.TextView; import com.gxjl.pe.gxjlpesdk.R; /** * 相机、相册选择 弹框 * Created by xiaoshuai on 2018/8/20. */ public abstract class CameraPhotoDialog extends Dialog implements View.OnClickListener{ private Context context;  public CameraPhotoDialog(@NonNull Context context) {  super(context, R.style.dialogTransparent);//内容样式在这里引入   this.context = context; }  public CameraPhotoDialog(@NonNull Context context, int themeResId) {  super(context, themeResId); }  protected CameraPhotoDialog(@NonNull Context context, boolean cancelable, @Nullable OnCancelListener cancelListener) {  super(context, cancelable, cancelListener); }  @Override protected void onCreate(Bundle savedInstanceState) {  super.onCreate(savedInstanceState);   setContentView(R.layout.dialog_camrea_photo);  //tv_title = findViewById(R.id.tv_title);   Window dialogWindow = getWindow();  WindowManager.LayoutParams lp = dialogWindow.getAttributes();  DisplayMetrics d = context.getResources().getDisplayMetrics(); // 获取屏幕宽、高用  lp.width = (int) (d.widthPixels * 0.9); // 宽度设置为屏幕宽度的80%  //lp.dimAmount=0.0f;//外围遮罩透明度0.0f-1.0f  dialogWindow.setAttributes(lp);  dialogWindow.setGravity(Gravity.BOTTOM);//内围区域底部显示  }  @Override public void onClick(View view) {  int i = view.getId();  if (i == R.id.tv_cancel) {   this.dismiss();  } }  protected abstract void confirm();}

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="wrap_content" android:background="@android:color/transparent" android:orientation="vertical">  <LinearLayout  android:layout_width="match_parent"  android:layout_height="wrap_content"  android:layout_marginBottom="10dp"  android:background="@android:color/transparent"  android:orientation="vertical">   <LinearLayout   android:layout_width="match_parent"   android:layout_height="wrap_content"   android:background="@drawable/bg_camera_check"   android:orientation="vertical">    <TextView    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:padding="15dp"    android:layout_gravity="center_horizontal"    android:text="拍照"    android:textSize="16sp"    android:textColor="@color/font_007AFF"/>    <View    android:layout_width="match_parent"    android:layout_height="1dp"    android:background="@color/line_ECECED"/>    <TextView    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:padding="15dp"    android:layout_gravity="center_horizontal"    android:text="照片图库"    android:textSize="16sp"    android:textColor="@color/font_007AFF"/>  </LinearLayout>   <LinearLayout   android:layout_width="match_parent"   android:layout_height="wrap_content"   android:layout_marginTop="10dp"   android:background="@drawable/bg_camera_check"   android:orientation="vertical">    <TextView    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:padding="15dp"    android:layout_gravity="center_horizontal"    android:text="拍照"    android:textSize="16sp"    android:textColor="@color/font_007AFF"/>  </LinearLayout> </LinearLayout></LinearLayout>

<?xml version="1.0" encoding="utf-8"?><resources>  <style name="dialogTransparent" parent="@android:style/Theme.Dialog">  <item name="android:windowFrame">@null</item> <!--边框-->  <item name="android:windowIsFloating">true</item> <!--是否浮现在activity之上-->  <item name="android:windowIsTranslucent">true</item> <!--半透明-->  <item name="android:windowNoTitle">true</item> <!--无标题-->  <item name="android:background">@android:color/transparent</item> <!--背景透明-->  <item name="android:windowBackground">@android:color/transparent</item> <!--背景透明-->  <item name="android:backgroundDimEnabled">true</item> <!--模糊-->  <item name="android:backgroundDimAmount">0.6</item> <!--背景透明度--> </style></resources>