Fix modified beam search for iOS and android (#76)

* Use Int type for sampling rate

* Fix swift

* Fix iOS

.github/scripts/.gitignore

@@ -1,2 +1,3 @@
 Makefile
 *.jar
+hs_err_pid*.log

.github/scripts/Main.kt

@@ -4,7 +4,7 @@ import android.content.res.AssetManager
 
 fun main() {
     var featConfig = FeatureConfig(
-        sampleRate = 16000.0f,
+        sampleRate = 16000,
         featureDim = 80,
     )
 
@@ -13,7 +13,7 @@ fun main() {
         decoder = "./sherpa-onnx-streaming-zipformer-en-2023-02-21/decoder-epoch-99-avg-1.onnx",
         joiner = "./sherpa-onnx-streaming-zipformer-en-2023-02-21/joiner-epoch-99-avg-1.onnx",
         tokens = "./sherpa-onnx-streaming-zipformer-en-2023-02-21/tokens.txt",
-        numThreads = 4,
+        numThreads = 1,
         debug = false,
     )
 
@@ -24,22 +24,31 @@ fun main() {
         featConfig = featConfig,
         endpointConfig = endpointConfig,
         enableEndpoint = true,
+        decodingMethod = "greedy_search",
+        maxActivePaths = 4,
     )
 
     var model = SherpaOnnx(
         assetManager = AssetManager(),
         config = config,
     )
+
     var samples = WaveReader.readWave(
         assetManager = AssetManager(),
         filename = "./sherpa-onnx-streaming-zipformer-en-2023-02-21/test_wavs/1089-134686-0001.wav",
     )
 
-    model.decodeSamples(samples!!)
+    model.acceptWaveform(samples!!, sampleRate=16000)
+    while (model.isReady()) {
+      model.decode()
+    }
 
     var tail_paddings = FloatArray(8000) // 0.5 seconds
-    model.decodeSamples(tail_paddings)
-
+    model.acceptWaveform(tail_paddings, sampleRate=16000)
     model.inputFinished()
+    while (model.isReady()) {
+      model.decode()
+    }
+
     println("results: ${model.text}")
 }