78 lines
2.2 KiB
Java
78 lines
2.2 KiB
Java
package com.orastron.@NAME@;
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import android.app.Activity;
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import android.os.Bundle;
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import android.webkit.WebView;
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import android.webkit.WebSettings;
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import android.webkit.WebChromeClient;
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import android.webkit.WebViewClient;
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import android.webkit.JavascriptInterface;
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import android.content.Context;
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import android.content.pm.PackageManager;
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import androidx.core.app.ActivityCompat;
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public class MainActivity extends Activity {
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static {
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System.loadLibrary("@NAME@");
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}
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public native boolean nativeAudioStart();
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public native void nativeAudioStop();
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public native float nativeGetParameter(int i);
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public native void nativeSetParameter(int i, float v);
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private WebView webView;
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public class WebAppInterface {
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@JavascriptInterface
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public boolean hasAudioPermission() {
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return MainActivity.this.checkCallingOrSelfPermission(android.Manifest.permission.RECORD_AUDIO) == PackageManager.PERMISSION_GRANTED;
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}
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@JavascriptInterface
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public void requestAudioPermission() {
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ActivityCompat.requestPermissions(MainActivity.this, new String[] { android.Manifest.permission.RECORD_AUDIO }, 0);
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}
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@JavascriptInterface
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public boolean audioStart() {
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return nativeAudioStart();
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}
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@JavascriptInterface
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public void audioStop() {
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nativeAudioStop();
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}
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@JavascriptInterface
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public float getParameter(int i) {
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return nativeGetParameter(i);
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}
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@JavascriptInterface
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public void setParameter(int i, float v) {
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nativeSetParameter(i, v * 0.001f);
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}
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}
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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webView = new WebView(this);
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setContentView(webView);
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WebSettings webSettings = webView.getSettings();
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webSettings.setJavaScriptEnabled(true);
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webView.setWebChromeClient(new WebChromeClient());
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webView.setWebViewClient(new WebViewClient());
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webSettings.setDomStorageEnabled(true);
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webView.addJavascriptInterface(new WebAppInterface(), "Android");
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webView.loadUrl("file:///android_asset/index.html");
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}
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@Override
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public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
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if (grantResults.length > 0)
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webView.loadUrl("javascript:gotAudioPermission()");
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}
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}
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