import android.content.Context;
import android.media.AudioManager;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.KeyEvent;
import android.view.View;
import android.webkit.WebChromeClient;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.ProgressBar;
public class MainActivity extends AppCompatActivity {
WebView webView;
ProgressBar progressBar;
private AudioManager audio;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
audio = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
webView = (WebView) findViewById(R.id.webView);
webView.setWebViewClient(new WebViewClient());
webView.getSettings().setSupportZoom(true);
webView.setVerticalScrollBarEnabled(true);
webView.setHorizontalScrollBarEnabled(true);
webView.getSettings().setLoadWithOverviewMode(true);
webView.getSettings().setUseWideViewPort(true);
//webView.getSettings().setBuiltInZoomControls(true);
webView.loadUrl("https://alpha.wallhaven.cc/");
//Barra de progreso
progressBar = (ProgressBar) findViewById(R.id.progressBar);
webView.setWebChromeClient(new WebChromeClient() {
@Override
public void onProgressChanged(WebView view, int progress) {
progressBar.setProgress(0);
progressBar.setVisibility(View.VISIBLE);
MainActivity.this.setProgress(progress * 1000);
progressBar.incrementProgressBy(progress);
if (progress == 100) {
progressBar.setVisibility(View.GONE);
}
}
});
/*Adding shortcut for MainActivity
//on Home screen
Intent shortcutIntent = new Intent(getApplicationContext(),
MainActivity.class);
shortcutIntent.setAction(Intent.ACTION_MAIN);
Intent addIntent = new Intent();
addIntent.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
addIntent.putExtra(Intent.EXTRA_SHORTCUT_NAME, "HelloWorldShortcut");
addIntent.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE,
Intent.ShortcutIconResource.fromContext(getApplicationContext(),
R.drawable.ic_launcher));
addIntent.putExtra("duplicate", false);
addIntent.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
getApplicationContext().sendBroadcast(addIntent);*/
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
switch (keyCode) {
case KeyEvent.KEYCODE_VOLUME_UP:
audio.adjustStreamVolume(AudioManager.STREAM_MUSIC,
AudioManager.ADJUST_RAISE, AudioManager.FLAG_SHOW_UI);
return true;
case KeyEvent.KEYCODE_VOLUME_DOWN:
audio.adjustStreamVolume(AudioManager.STREAM_MUSIC,
AudioManager.ADJUST_LOWER, AudioManager.FLAG_SHOW_UI);
return true;
case KeyEvent.KEYCODE_BACK:
if (webView.canGoBack()) {
//if Back key pressed and webview can navigate to previous page
webView.goBack();
// go back to previous page
return true;
} else {
finish();
// finish the activity
}
return super.onKeyDown(keyCode, event);
default:
return false;
}
}
}