gogio: [android] make singleInstance if schemes in use

Signed-off-by: inkeliz <[email protected]>

gogio/androidbuild.go

@@ -463,6 +463,7 @@ func exeAndroid(tmpDir string, tools *androidTools, bi *buildInfo, extraJars, pe
 			android:theme="@style/Theme.GioApp"
 			android:configChanges="screenSize|screenLayout|smallestScreenSize|orientation|keyboardHidden"
 			android:windowSoftInputMode="adjustResize"
+			android:launchMode= "singleInstance"
 			android:exported="true">
 			<intent-filter>
 				<action android:name="android.intent.action.MAIN" />

gogio/help.go

@@ -78,8 +78,8 @@ for details. If not provided, the password will be prompted.
 The -notaryteamid flag specifies the team ID to use for notarization of MacOS app, ignored if
 -notaryid is not provided.
 
-The -schemes flag specifies a list of comma separated URI schemes, which the program can 
-handle. For example, use -schemes yourAppName to get transfer.URLEvent when access URI 
+The -schemes flag specifies a list of comma separated URI schemes that the program can 
+handle. For example, use -schemes yourAppName to receive a transfer.URLEvent for URIs 
 starting with yourAppName://. It is only supported on Android, iOS, macOS and Windows. 
 On Windows, it will restrict the program to a single instance.
 `

gogio/iosbuild.go

@@ -400,12 +400,12 @@ func buildInfoPlist(bi *buildInfo) (string, error) {
 </dict>
 </plist>`)
 	if err != nil {
-		return "", err
+		panic(err)
 	}
 
 	var manifestBuffer bytes.Buffer
 	if err := tmpl.Execute(&manifestBuffer, manifestSrc); err != nil {
-		return "", err
+		panic(err)
 	}
 
 	return manifestBuffer.String(), nil

gogio/macosbuild.go

@@ -168,12 +168,12 @@ func (b *macBuilder) setInfo(buildInfo *buildInfo, name string) error {
 </dict>
 </plist>`)
 	if err != nil {
-		return err
+		panic(err)
 	}
 
 	var manifest bytes.Buffer
 	if err := t.Execute(&manifest, manifestSrc); err != nil {
-		return err
+		panic(err)
 	}
 	b.Manifest = manifest.Bytes()