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Gadgetbridge/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/ExternalPebbleJSActivity.java

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Java
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package nodomain.freeyourgadget.gadgetbridge.activities;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.app.NavUtils;
import android.view.MenuItem;
import android.view.View;
import android.webkit.JavascriptInterface;
import android.webkit.ValueCallback;
import android.webkit.WebView;
import android.widget.FrameLayout;
import android.widget.Toast;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.UUID;
import nodomain.freeyourgadget.gadgetbridge.R;
import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
import nodomain.freeyourgadget.gadgetbridge.model.DeviceService;
import nodomain.freeyourgadget.gadgetbridge.util.GB;
import nodomain.freeyourgadget.gadgetbridge.util.WebViewSingleton;
public class ExternalPebbleJSActivity extends GBActivity {
private static final Logger LOG = LoggerFactory.getLogger(ExternalPebbleJSActivity.class);
private UUID appUuid;
private Uri confUri;
private GBDevice mGBDevice = null;
private WebView myWebView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Bundle extras = getIntent().getExtras();
if (extras != null) {
mGBDevice = extras.getParcelable(GBDevice.EXTRA_DEVICE);
appUuid = (UUID) extras.getSerializable(DeviceService.EXTRA_APP_UUID);
} else {
throw new IllegalArgumentException("Must provide a device when invoking this activity");
}
setContentView(R.layout.activity_external_pebble_js);
myWebView = WebViewSingleton.getorInitWebView(this, mGBDevice, appUuid);
myWebView.setWillNotDraw(false);
myWebView.addJavascriptInterface(new ActivityJSInterface(ExternalPebbleJSActivity.this), "GBActivity");
FrameLayout fl = (FrameLayout) findViewById(R.id.webview_placeholder);
fl.addView(myWebView);
myWebView.addOnAttachStateChangeListener(new View.OnAttachStateChangeListener() {
@Override
public void onViewAttachedToWindow(View v) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
// chromium, enable hardware acceleration
v.setLayerType(View.LAYER_TYPE_HARDWARE, null);
} else {
// older android version, disable hardware acceleration
v.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
}
String queryString = "";
if (confUri != null) {
//getting back with configuration data
try {
appUuid = UUID.fromString(confUri.getHost());
queryString = confUri.getEncodedQuery();
} catch (IllegalArgumentException e) {
GB.toast("returned uri: " + confUri.toString(), Toast.LENGTH_LONG, GB.ERROR);
}
((WebView) v).loadUrl("file:///android_asset/app_config/configure.html?" + queryString);
} else {
//show configuration
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
myWebView.evaluateJavascript("Pebble.evaluate('showConfiguration');", new ValueCallback<String>() {
@Override
public void onReceiveValue(String s) {
LOG.debug("Callback from showConfiguration", s);
}
});
} else {
((WebView) v).loadUrl("javascript:Pebble.evaluate('showConfiguration');");
}
}
}
@Override
public void onViewDetachedFromWindow(View v) {
myWebView.removeJavascriptInterface("GBActivity");
myWebView.setWillNotDraw(true);
FrameLayout fl = (FrameLayout) findViewById(R.id.webview_placeholder);
fl.removeAllViews();
}
});
}
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@Override
protected void onNewIntent(Intent incoming) {
incoming.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
super.onNewIntent(incoming);
confUri = incoming.getData();
}
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@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
NavUtils.navigateUpFromSameTask(this);
return true;
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}
return super.onOptionsItemSelected(item);
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}
private class ActivityJSInterface {
Context mContext;
public ActivityJSInterface(Context c) {
mContext = c;
}
@JavascriptInterface
public void closeActivity() {
NavUtils.navigateUpFromSameTask((ExternalPebbleJSActivity) mContext);
}
}
}