android.app.Activity类的使用及代码示例

x33g5p2x  于2022-01-15 转载在 其他  
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本文整理了Java中android.app.Activity类的一些代码示例，展示了Activity类的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Activity类的具体详情如下：
包路径：android.app.Activity
类名称：Activity

Activity介绍

暂无

代码示例

代码示例来源：origin: googlesamples/android-testing

@Override
protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_show_text);
  // Get the message from the Intent.
  Intent intent = getIntent();
  String message = Strings.nullToEmpty(intent.getStringExtra(KEY_EXTRA_MESSAGE));
  // Show message.
  ((TextView)findViewById(R.id.show_text_view)).setText(message);
}

代码示例来源：origin: stackoverflow.com

Activity activity = ...;
AlertDialog dialog = ...;

// retrieve display dimensions
Rect displayRectangle = new Rect();
Window window = activity.getWindow();
window.getDecorView().getWindowVisibleDisplayFrame(displayRectangle);

// inflate and adjust layout
LayoutInflater inflater = (LayoutInflater)activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View layout = inflater.inflate(R.layout.your_dialog_layout, null);
layout.setMinimumWidth((int)(displayRectangle.width() * 0.9f));
layout.setMinimumHeight((int)(displayRectangle.height() * 0.9f));

dialog.setView(layout);

代码示例来源：origin: TommyLemon/APIJSON

@Override
public void finish() {
  setResult(RESULT_OK, new Intent()
      .putExtra(RESULT_ID, id)
      .putExtra(RESULT_URL, url)
      .putExtra(RESULT_METHOD, method)
      .putExtra(RESULT_NAME, name)
      .putExtra(RESULT_RESPONSE, resultJson)
  );
  super.finish();
}

代码示例来源：origin: square/picasso

public void launch(Activity activity) {
  activity.startActivity(new Intent(activity, activityClass));
  activity.finish();
 }
}

代码示例来源：origin: stackoverflow.com

@Override
public void navigateUpTo(Activity activity, Intent upIntent) {
  upIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
  activity.startActivity(upIntent);
  activity.finish();
}

代码示例来源：origin: bumptech/glide

@Override
 public void onClick(View view) {
  ClipboardManager clipboard =
    (ClipboardManager) activity.getSystemService(Context.CLIPBOARD_SERVICE);
  ClipData clip =
    ClipData.newPlainText("giphy_url", result.images.fixed_height.url);
  Preconditions.checkNotNull(clipboard).setPrimaryClip(clip);
  Intent fullscreenIntent = FullscreenActivity.getIntent(activity, result);
  activity.startActivity(fullscreenIntent);
 }
});

代码示例来源：origin: nuptboyzhb/SuperSwipeRefreshLayout

@Override
protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_scrollview);
  swipeRefreshLayout = (SuperSwipeRefreshLayout) findViewById(R.id.swipe_refresh);
  View child = LayoutInflater.from(swipeRefreshLayout.getContext())
      .inflate(R.layout.layout_head, null);
  progressBar = (ProgressBar) child.findViewById(R.id.pb_view);
  textView = (TextView) child.findViewById(R.id.text_view);
  textView.setText("下拉刷新");
  imageView = (ImageView) child.findViewById(R.id.image_view);
  imageView.setVisibility(View.VISIBLE);
  imageView.setImageResource(R.drawable.down_arrow);
  progressBar.setVisibility(View.GONE);
  swipeRefreshLayout.setHeaderView(child);

代码示例来源：origin: ukanth/afwall

if (convertView == null) {
  convertView = inflater.inflate(R.layout.main_list, parent, false);
  holder = new AppStateHolder();
  holder.box_wifi = (CheckBox) convertView.findViewById(R.id.itemcheck_wifi);
  holder.text = (TextView) convertView.findViewById(R.id.itemtext);
  holder.icon = (ImageView) convertView.findViewById(R.id.itemicon);
    holder.icon.setVisibility(View.GONE);
    activity.findViewById(R.id.imageHolder).setVisibility(View.GONE);
  convertView.setTag(holder);
  holder.icon = (ImageView) convertView.findViewById(R.id.itemicon);
  if (G.disableIcons()) {
    holder.icon.setVisibility(View.GONE);
    activity.findViewById(R.id.imageHolder).setVisibility(View.GONE);
  holder.text.setText(holder.app.toStringWithUID());
} else {
  holder.text.setText(holder.app.toString());
  holder.icon.setVisibility(View.GONE);
  activity.findViewById(R.id.imageHolder).setVisibility(View.GONE);

代码示例来源：origin: osmandapp/Osmand

super.onCreate(savedInstanceState);
setContentView(R.layout.main);
descriptionTextView.setText(Html.fromHtml(getString(R.string.plugin_description)));
Intent intentPlus = new Intent();
intentPlus.setComponent(new ComponentName(OSMAND_COMPONENT_PLUS, OSMAND_ACTIVITY));
intentPlus.setFlags(Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
ResolveInfo resolved = getPackageManager().resolveActivity(intentPlus, PackageManager.MATCH_DEFAULT_ONLY);
if(resolved != null) {
  } else {
    logEvent(this, "open_dialog");
    findViewById(R.id.buyButton).setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {

代码示例来源：origin: ksoichiro/Android-ObservableScrollView

@Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View view = inflater.inflate(R.layout.fragment_scrollview_noheader, container, false);

    final ObservableScrollView scrollView = (ObservableScrollView) view.findViewById(R.id.scroll);
    Activity parentActivity = getActivity();
    scrollView.setTouchInterceptionViewGroup((ViewGroup) parentActivity.findViewById(R.id.container));
    if (parentActivity instanceof ObservableScrollViewCallbacks) {
      scrollView.setScrollViewCallbacks((ObservableScrollViewCallbacks) parentActivity);
    }
    return view;
  }
}

代码示例来源：origin: vekexasia/android-edittext-validator

@Override
protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.layout_examplegeneric);
  flContainer = (FrameLayout) findViewById(R.id.fl);
  tvExplanation = (TextView) findViewById(R.id.tv_explanation);
  tvTitle = (TextView) findViewById(R.id.tv_title);
  flContainer.addView(LayoutInflater.from(this).inflate(getIntent().getIntExtra(EXTRA_LAYOUT_RES, 0), flContainer, false));
  tvExplanation.setText(getIntent().getIntExtra(EXTRA_LAYOUT_EXPL_STR_RES, 0));
  tvTitle.setText(getIntent().getStringExtra(EXTRA_TITLE));
}

代码示例来源：origin: jjhesk/KickAssSlidingMenu

@SuppressLint("ResourceAsColor")
@Override
public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  LayoutInflater inflater = LayoutInflater.from(this);
  setContentView(inflater.inflate(R.layout.horz_scroll_with_image_menu, null));
  app = inflater.inflate(R.layout.horz_scroll_app, null);
  ViewGroup tabBar = (ViewGroup) app.findViewById(R.id.tabBar);
  ListView listView = (ListView) app.findViewById(R.id.list);
  ViewUtils.initListView(this, listView, "Item ", 30, android.R.layout.simple_list_item_1);
  btnSlide.setOnClickListener(new HorzScrollWithListMenu.ClickListenerForScrolling(scrollView, menu));
  View transparent = new TextView(this);
  transparent.setBackgroundColor(android.R.color.transparent);

代码示例来源：origin: stackoverflow.com

View layout = inflater.inflate(R.layout.toast_layout, (ViewGroup) activity.findViewById(R.id.toast_root));
ImageView image = (ImageView) layout.findViewById(R.id.toast_image);
image.setImageResource(R.drawable.skipper_toast);
TextView text_toast = (TextView) layout.findViewById(R.id.toast_text);
text_toast.setText(text);

代码示例来源：origin: vekexasia/android-edittext-validator

@Override
protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.layout_examplegeneric);
  flContainer = (FrameLayout) findViewById(R.id.fl);
  tvExplanation = (TextView) findViewById(R.id.tv_explanation);
  tvTitle = (TextView) findViewById(R.id.tv_title);
  flContainer.addView(LayoutInflater.from(this).inflate(R.layout.example_email_or_creditcard, flContainer, false));
  tvExplanation.setText(R.string.explanation_emailorcredit);
  tvTitle.setText(R.string.emailorcredit_title);
  //Interesting stuff starts here
  FormEditText fdt = (FormEditText) findViewById(R.id.et);
  fdt.addValidator(
      new OrValidator(
          "This is neither a creditcard or an email",
          new CreditCardValidator(null), // we specify null as the message string cause the Or validator will use his own message
          new EmailValidator(null) // same here for null
      )
  );
}

代码示例来源：origin: stackoverflow.com

try {
 LayoutInflater inflater = callingActivity.getLayoutInflater();
 dlg = inflater.inflate(R.layout.alertmono, (ViewGroup) callingActivity.findViewById(R.id.dlgView));
 tvText = (TextView) dlg.findViewById(R.id.dlgText);
} catch(InflateException e) {
tvText.setText( "22-05-2012 20:51:13 114 58 00:04:19\n"+
        "22-05-2012 20:59:15  84 52 00:01:25\n"+
        "22-05-2012 22:49:48  96 51 00:01:32\n"+
 .setTitle(callingActivity.getString(R.string.app_name))
 .setCancelable(true)
 .setIcon(R.drawable.ic_launcher)

代码示例来源：origin: ksoichiro/Android-ObservableScrollView

@Override
protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_touchinterception_webview);
  ((TextView) findViewById(R.id.title)).setText(getClass().getSimpleName());
  mScrollable = (Scrollable) findViewById(R.id.scrollable);
  mScrollable.setScrollViewCallbacks(this);
  ((WebView) mScrollable).loadUrl("file:///android_asset/lipsum.html");
  mIntersectionHeight = getResources().getDimensionPixelSize(R.dimen.intersection_height);
  mHeaderBarHeight = getResources().getDimensionPixelSize(R.dimen.header_bar_height);
  mInterceptionLayout = (TouchInterceptionFrameLayout) findViewById(R.id.scroll_wrapper);
  mInterceptionLayout.setScrollInterceptionListener(mInterceptionListener);
}

代码示例来源：origin: alexjlockwood/adp-activity-transitions

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, final Bundle savedInstanceState) {
  View rootView = inflater.inflate(R.layout.fragment_details, container, false);
  mAlbumImage = (ImageView) rootView.findViewById(R.id.details_album_image);
  final ImageView backgroundImage = (ImageView) rootView.findViewById(R.id.details_background_image);
  View textContainer = rootView.findViewById(R.id.details_text_container);
  TextView albumTitleText = (TextView) textContainer.findViewById(R.id.details_album_title);
  String albumImageUrl = ALBUM_IMAGE_URLS[mAlbumPosition];
  String backgroundImageUrl = BACKGROUND_IMAGE_URLS[mAlbumPosition];
  String albumName = ALBUM_NAMES[mAlbumPosition];
  albumTitleText.setText(albumName);
  mAlbumImage.setTransitionName(albumName);
  RequestCreator albumImageRequest = Picasso.with(getActivity()).load(albumImageUrl);
  RequestCreator backgroundImageRequest = Picasso.with(getActivity()).load(backgroundImageUrl).fit().centerCrop();
  if (mIsTransitioning) {
    albumImageRequest.noFade();
    backgroundImageRequest.noFade();
    backgroundImage.setAlpha(0f);
    getActivity().getWindow().getSharedElementEnterTransition().addListener(new TransitionListenerAdapter() {
      @Override
      public void onTransitionEnd(Transition transition) {
        backgroundImage.animate().setDuration(mBackgroundImageFadeMillis).alpha(1f);
      }
    });
  }
  albumImageRequest.into(mAlbumImage, mImageCallback);
  backgroundImageRequest.into(backgroundImage);
  return rootView;
}

代码示例来源：origin: jjhesk/KickAssSlidingMenu

@Override
public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  LayoutInflater inflater = LayoutInflater.from(this);
  scrollView = (MyHorizontalScrollView) inflater.inflate(R.layout.horz_scroll_with_list_menu, null);
  setContentView(scrollView);
  menu = inflater.inflate(R.layout.horz_scroll_menu, null);
  app = inflater.inflate(R.layout.horz_scroll_app, null);
  ViewGroup tabBar = (ViewGroup) app.findViewById(R.id.tabBar);
  ListView listView = (ListView) app.findViewById(R.id.list);
  ViewUtils.initListView(this, listView, "Item ", 30, android.R.layout.simple_list_item_1);
  listView = (ListView) menu.findViewById(R.id.list);
  ViewUtils.initListView(this, listView, "Menu ", 30, android.R.layout.simple_list_item_1);
  btnSlide = (ImageView) tabBar.findViewById(R.id.BtnSlide);
  btnSlide.setOnClickListener(new ClickListenerForScrolling(scrollView, menu));
  final View[] children = new View[] { menu, app };
  // Scroll to app (view[1]) when layout finished.
  int scrollToViewIdx = 1;
  scrollView.initViews(children, scrollToViewIdx, new SizeCallbackForMenu(btnSlide));
}

代码示例来源：origin: stackoverflow.com

public class CustomToast {

  public static Toast makeToast(Activity activity, String text, int duraion ){
    LayoutInflater inflater = activity.getLayoutInflater();
    View layout = inflater.inflate(R.layout.toast_achievement, (ViewGroup) activity.findViewById(R.id.toast_layout_root));

    TextView textView = (TextView) layout.findViewById(R.id.text);
    textView.setText(text);

    Toast toast = new Toast(activity.getApplicationContext());
    toast.setDuration(duraion);
    toast.setView(layout);
    toast.setGravity(Gravity.CENTER, 0, 0);
    return toast;
  }
}

代码示例来源：origin: jjdxmashl/jjdxm_ijkplayer

if (rootView == null) {
  query = new LayoutQuery(mActivity);
  rl_box = mActivity.findViewById(R.id.app_video_box);
  videoView = (IjkVideoView) mActivity.findViewById(R.id.video_view);
  settingsContainer = mActivity.findViewById(R.id.simple_player_settings_container);
  settingsContainer.setVisibility(View.GONE);
  volumeControllerContainer = mActivity.findViewById(R.id.simple_player_volume_controller_container);
  volumeController = (SeekBar) mActivity.findViewById(R.id.simple_player_volume_controller);
  volumeController.setMax(100);
  volumeController.setOnSeekBarChangeListener(this.onVolumeControllerChangeListener);
  brightnessControllerContainer = mActivity.findViewById(R.id.simple_player_brightness_controller_container);
  brightnessController = (SeekBar) mActivity.findViewById(R.id.simple_player_brightness_controller);
  brightnessController.setMax(100);
} else {
  query = new LayoutQuery(mActivity, rootView);
  rl_box = rootView.findViewById(R.id.app_video_box);
  videoView = (IjkVideoView) rootView.findViewById(R.id.video_view);
  int e = Settings.System.getInt(this.mContext.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS);
  float progress = 1.0F * (float) e / 255.0F;
  android.view.WindowManager.LayoutParams layout = this.mActivity.getWindow().getAttributes();
  layout.screenBrightness = progress;
  mActivity.getWindow().setAttributes(layout);
} catch (Settings.SettingNotFoundException var7) {
  var7.printStackTrace();
  streamSelectView = (LinearLayout) mActivity.findViewById(R.id.simple_player_select_stream_container);

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