make sharing activity transparent

Author: lz233

app/src/main/AndroidManifest.xml

@@ -50,6 +50,8 @@
         <activity
             android:name=".ReceiveOpenActivity"
             android:excludeFromRecents="true"
+            android:launchMode="singleInstance"
+            android:theme="@style/AppTheme.NoDisplay"
             android:exported="true">
             <intent-filter
                 android:label="@string/convert_text"

app/src/main/java/top/linesoft/open2share/ReceiveOpenActivity.java

@@ -32,12 +32,12 @@ protected void onCreate(Bundle savedInstanceState) {
 //        StrictMode.setVmPolicy(builder.build());
 //        builder.detectFileUriExposure();
 
-        setContentView(R.layout.activity_receive_open);
+        //setContentView(R.layout.activity_receive_open);
         //Toast.makeText(this,"已经将打开文件转换为分享文件",Toast.LENGTH_LONG).show();
 
         Intent sendIntent = new Intent();
         sendIntent.setAction(Intent.ACTION_SEND);
-        sendIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        //sendIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
         sendIntent.addCategory("android.intent.category.DEFAULT");
 //        Log.d("分享","Data："+ getIntent().getData().toString());
 //        Log.d("分享","Type："+ getIntent().getType());

app/src/main/res/values/styles.xml

@@ -7,4 +7,11 @@
         <item name="colorAccent">@color/colorAccent</item>
     </style>
 
+    <style name="AppTheme.NoDisplay" parent="AppTheme">
+        <item name="windowActionBar">false</item>
+        <item name="windowNoTitle">true</item>
+        <item name="android:windowBackground">@android:color/transparent</item>
+        <item name="android:windowIsTranslucent">true</item>
+        <item name="android:statusBarColor">@android:color/transparent</item>
+    </style>
 </resources>