Java Code Examples for android.app.Activity#findViewById()

private GalleryFullscreenImpl(Activity activity) {
    window = activity.getWindow();
    decorView = activity.getWindow().getDecorView();
    decorView.setOnSystemUiVisibilityChangeListener(this);
    actionBar = activity.getActionBar();
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
        int color = ThemeUtils.getThemeColor(activity.getTheme(), R.attr.materialPrimary, Color.WHITE);
        actionBar.setBackgroundDrawable(new ColorDrawable(color & Color.argb(192, 255, 255, 255)));
    }
    galleryNavbarView = (ViewGroup) activity.findViewById(R.id.gallery_navigation_bar_container);
    galleryNavbarView.setAlpha(0.75f);
    
    setTranslucentPanels();
    showUI(true);
    fixNavbarOverlay();
}
 

/**
     * Fix the bug of 5497 in Android.
     * <p>Don't set adjustResize</p>
     *
     * @param activity The activity.
     */
    public static void fixAndroidBug5497(final Activity activity) {
//        Window window = activity.getWindow();
//        int softInputMode = window.getAttributes().softInputMode;
//        window.setSoftInputMode(softInputMode & ~WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
        final FrameLayout contentView = activity.findViewById(android.R.id.content);
        final View contentViewChild = contentView.getChildAt(0);
        final int paddingBottom = contentViewChild.getPaddingBottom();
        sContentViewInvisibleHeightPre5497 = getContentViewInvisibleHeight(activity);
        contentView.getViewTreeObserver()
                .addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
                    @Override
                    public void onGlobalLayout() {
                        int height = getContentViewInvisibleHeight(activity);
                        if (sContentViewInvisibleHeightPre5497 != height) {
                            contentViewChild.setPadding(
                                    contentViewChild.getPaddingLeft(),
                                    contentViewChild.getPaddingTop(),
                                    contentViewChild.getPaddingRight(),
                                    paddingBottom + getDecorViewInvisibleHeight(activity)
                            );
                            sContentViewInvisibleHeightPre5497 = height;
                        }
                    }
                });
    }
 

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    if (getArguments().containsKey(ARG_ITEM_ID)) {
        // Load the dummy content specified by the fragment
        // arguments. In a real-world scenario, use a Loader
        // to load content from a content provider.
        mItem = DummyContent.ITEM_MAP.get(getArguments().getString(ARG_ITEM_ID));

        Activity activity = this.getActivity();
        CollapsingToolbarLayout appBarLayout = (CollapsingToolbarLayout) activity.findViewById(R.id.toolbar_layout);
        if (appBarLayout != null) {
            appBarLayout.setTitle(mItem.content);
        }
    }
}
 

/**
 * 解决顶部与布局重叠问题
 * Sets fits system windows.
 *
 * @param activity the activity
 */
public static void setFitsSystemWindows(Activity activity) {
    ViewGroup parent = (ViewGroup) activity.findViewById(android.R.id.content);
    for (int i = 0, count = parent.getChildCount(); i < count; i++) {
        View childView = parent.getChildAt(i);
        if (childView instanceof ViewGroup) {
            childView.setFitsSystemWindows(true);
            ((ViewGroup) childView).setClipToPadding(true);
        }
    }
}
 

@Override
public void onActivityStarted(Activity activity) {
    Timber.i("%s - onActivityStarted", activity);
    if (!activity.getIntent().getBooleanExtra("isInitToolbar", false)) {
        //由于加强框架的兼容性,故将 setContentView 放到 onActivityCreated 之后,onActivityStarted 之前执行
        //而 findViewById 必须在 Activity setContentView() 后才有效,所以将以下代码从之前的 onActivityCreated 中移动到 onActivityStarted 中执行
        activity.getIntent().putExtra("isInitToolbar", true);
        //这里全局给Activity设置toolbar和title,你想象力有多丰富,这里就有多强大,以前放到BaseActivity的操作都可以放到这里
        if (activity.findViewById(R.id.toolbar) != null) {
            if (activity instanceof AppCompatActivity) {
                ((AppCompatActivity) activity).setSupportActionBar(activity.findViewById(R.id.toolbar));
                Objects.requireNonNull(((AppCompatActivity) activity).getSupportActionBar()).setDisplayShowTitleEnabled(false);
            } else {
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
                    activity.setActionBar(activity.findViewById(R.id.toolbar));
                    Objects.requireNonNull(activity.getActionBar()).setDisplayShowTitleEnabled(false);
                }
            }
        }
        if (activity.findViewById(R.id.toolbar_title) != null) {
            ((TextView) activity.findViewById(R.id.toolbar_title)).setText(activity.getTitle());
        }
        if (activity.findViewById(R.id.toolbar_back) != null) {
            activity.findViewById(R.id.toolbar_back).setOnClickListener(v -> activity.onBackPressed());
        }
    }
}
 

public void setUpQueueSwitch(Activity activity) {
	// TODO Auto-generated method stub
	albumArt = (RelativeLayout) activity.findViewById(R.id.audio_player_album_art_wrapper);
       listQueue = (RelativeLayout) activity.findViewById(R.id.audio_player_queue_wrapper);
       mQueue.setOnClickListener(new OnClickListener() {
           @Override
           public void onClick(View v) {
           	if(albumArt.getVisibility()==View.VISIBLE){
           		listQueue.removeAllViews();
           		getFragmentManager().beginTransaction().add(R.id.audio_player_queue_wrapper, new NowPlayingFragment(), "NowPlayingTag").commit();
           		mQueue.setImageResource(R.drawable.music_btn_switch_queue_active);
                   albumArt.setVisibility(View.GONE);
                   listQueue.setVisibility(View.VISIBLE);
                   // Fade out the pager container
                   fade(albumArt, 0f);
                   // Fade in the album art
                   fade(listQueue, 1f);
           	}
           	else{
                   listQueue.setVisibility(View.GONE);
                   albumArt.setVisibility(View.VISIBLE);
           		mQueue.setImageResource(R.drawable.music_btn_switch_queue);
                   // Fade out the pager container
                   fade(listQueue, 0f);
                   // Fade in the album art
                   fade(albumArt, 1f);
           	}
           	
           }
       });
	
}
 

public VideoPlayer(Activity activity, int fragmentContainerResID, VideoPlayerStateListener l) {
  super();

  mListener = l;
  mContext = activity.getApplicationContext();

  // install video fragment
  // will already exist if restoring Activity
  mVideoFragment = (VideoPlayerFragment) activity.getFragmentManager()
      .findFragmentById(fragmentContainerResID);

  // hide top bar when going fullscreen
  mTopBar = activity.findViewById(R.id.top_bar);
  mVideoFragment.setVideoFragmentListener(new VideoPlayerFragment.VideoFragmentListener() {

    @Override
    public void onFullScreen(boolean fullscreen) {
      mTopBar.setVisibility(fullscreen ? View.GONE : View.VISIBLE);
    }

    @Override
    public void playerInitialized() {
      if (AppUtils.instance(mContext).alwaysPlayFullscreen())
        mVideoFragment.setFullscreen(true);

      // we avoid showing the view until after fullscreen is set after the player is setup
      mVideoBox.setVisibility(View.VISIBLE);
    }
  });

  mVideoBox = activity.findViewById(R.id.video_player_box);

  setupToolbar();
}
 

/**
 * @param context
 * @param act
 * @param mainViewId main layout id
 * @param displayLayoutId displayLayoutId
 */
public ScalingActivityAnimator(Context context, Activity act, int mainViewId, int displayLayoutId){
    this.mActivity = act;
    this.mMainView = act.findViewById(mainViewId);
    this.mPopupView = LayoutInflater.from(context).inflate(displayLayoutId, null);
    Point outSize = new Point();
    mActivity.getWindowManager().getDefaultDisplay().getSize(outSize);
    screenHeight = outSize.y;
    popHeight = screenHeight/2;
}
 

/**
 * 添加半透明矩形条
 *
 * @param activity       需要设置的 activity
 * @param statusBarAlpha 透明值
 */
private static void addTranslucentView(Activity activity, int statusBarAlpha) {
    ViewGroup contentView = (ViewGroup) activity.findViewById(android.R.id.content);
    // 移除半透明矩形,以免叠加
    if (contentView.getChildCount() > 1) {
        contentView.removeViewAt(1);
    }
    contentView.addView(createTranslucentStatusBarView(activity, statusBarAlpha));
}
 

/**
 * 添加半透明矩形条
 *
 * @param activity       需要设置的 activity
 * @param statusBarAlpha 透明值
 */
private static void addTranslucentView(Activity activity, @IntRange(from = 0, to = 255) int statusBarAlpha) {
    ViewGroup contentView = (ViewGroup) activity.findViewById(android.R.id.content);
    View fakeTranslucentView = contentView.findViewById(FAKE_TRANSLUCENT_VIEW_ID);
    if (fakeTranslucentView != null) {
        if (fakeTranslucentView.getVisibility() == View.GONE) {
            fakeTranslucentView.setVisibility(View.VISIBLE);
        }
        fakeTranslucentView.setBackgroundColor(Color.argb(statusBarAlpha, 0, 0, 0));
    } else {
        contentView.addView(createTranslucentStatusBarView(activity, statusBarAlpha));
    }
}
 

private MainUIUtil(Activity activity){
    this.activity = activity;
    activity. setContentView(R.layout.activity_main2);
    viewPager = (ViewPager) activity.findViewById(R.id.vp_container);
    bottomTabLayout = (PagerBottomTabLayout) activity.findViewById(R.id.tab);


}
 

public void set(Activity activity, int viewId, String regex, int errMsgId) {
    View view = activity.findViewById(viewId);
    String errMsg = activity.getResources().getString(errMsgId);
    if (view instanceof EditText) {
        set((EditText) view, regex, errMsg);
    } else if (view instanceof TextInputLayout) {
        set((TextInputLayout) view, regex, errMsg);
    }
}
 

/**
 * 设置根布局参数
 */
private static void setRootView(Activity activity) {
    ViewGroup parent = activity.findViewById(android.R.id.content);
    for (int i = 0, count = parent.getChildCount(); i < count; i++) {
        View childView = parent.getChildAt(i);
        if (childView instanceof ViewGroup) {
            childView.setFitsSystemWindows(true);
            ((ViewGroup) childView).setClipToPadding(true);
        }
    }
}
 

SetIndicatorInfo(Activity activity) {
    try {
        setHomeAsUpIndicator = ActionBar.class.getDeclaredMethod("setHomeAsUpIndicator",
                Drawable.class);
        setHomeActionContentDescription = ActionBar.class.getDeclaredMethod(
                "setHomeActionContentDescription", Integer.TYPE);

        // If we got the method we won't need the stuff below.
        return;
    } catch (NoSuchMethodException e) {
        // Oh well. We'll use the other mechanism below instead.
    }

    final View home = activity.findViewById(android.R.id.home);
    if (home == null) {
        // Action bar doesn't have a known configuration, an OEM messed with things.
        return;
    }

    final ViewGroup parent = (ViewGroup) home.getParent();
    final int childCount = parent.getChildCount();
    if (childCount != 2) {
        // No idea which one will be the right one, an OEM messed with things.
        return;
    }

    final View first = parent.getChildAt(0);
    final View second = parent.getChildAt(1);
    final View up = first.getId() == android.R.id.home ? second : first;

    if (up instanceof ImageView) {
        // Jackpot! (Probably...)
        upIndicatorView = (ImageView) up;
    }
}
 

private FullScreenKeyboradBug(Activity activity) {
    FrameLayout content = (FrameLayout) activity.findViewById(android.R.id.content);
    mChildOfContent = content.getChildAt(0);
    mChildOfContent.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
        public void onGlobalLayout() {
            possiblyResizeChildOfContent();
        }
    });
    frameLayoutParams = (FrameLayout.LayoutParams) mChildOfContent.getLayoutParams();
}
 

public static void setActionBarSubtitleEllipsizeMiddle(Activity activity) {
    // http://blog.wu-man.com/2011/12/actionbar-api-provided-by-google-on.html
    int subtitleId = activity.getResources().getIdentifier("action_bar_subtitle", "id", "android");
    TextView subtitleView = (TextView) activity.findViewById(subtitleId);
    subtitleView.setEllipsize(TextUtils.TruncateAt.MIDDLE);
}
 

public static View getAppContentView(Activity activity) {
    final View appView = activity.findViewById(android.R.id.content);
    return appView;

}
 

public void testDowngrade(){

        for(final View caseView : mCaseListIndexView){
           if (((WXTextView)caseView).getText().toString().equals("TC_Downgrade")){
               Log.e(TAG, "TC_Downgrade find");

               final WXTextView inputView  = (WXTextView)caseView;
                mInstrumentation.runOnMainSync(new Runnable() {
                    @Override
                    public void run() {
                        inputView.requestFocus();
                        inputView.performClick();
                    }
                });

               sleep(2000);

               setActivity(WXPageActivity.wxPageActivityInstance);
               Activity activity2 = getActivity();

               ViewGroup myGroup = (ViewGroup)(activity2.findViewById(R.id.container));
               ArrayList<View> inputListView = new ArrayList<View>();
               inputListView =  ViewUtil.findViewWithText(myGroup, "TC_Downgrade_appV_True");

//               myGroup.findViewsWithText(inputListView, "TC_Downgrade_appV_True", View.FIND_VIEWS_WITH_TEXT);

               Log.e(TAG, "TC_Downgrade_appV_True== " + inputListView.size());
               sleep(2000);

               if(inputListView.size()!=0){
                  final WXTextView inputTypeView = (WXTextView)inputListView.get(0);

                   mInstrumentation.runOnMainSync(new Runnable() {
                       @Override
                       public void run() {
                           inputTypeView.requestFocus();
                           inputTypeView.performClick();
                           Log.e(TAG, "TC_Downgrade_appV_True clcik!");

                       }
                   });

                   sleep(2000);
                   Log.e(TAG, "TC_Downgrade_appV_True snap!");
//                   screenShot("TC_Downgrade_appV_True");
                   ScreenShot.takeScreenShotIncludeDialog(getActivity(), "TC_Downgrade_appV_True");

                   sleep(2000);

               }
           }
        }

    }
 

public void testTextType(){

        for(final View caseView : mCaseListIndexView){
           if (((WXTextView)caseView).getText().toString().equals("TC_Text")){
               Log.e(TAG, "TC_Text find");

               final WXTextView inputView  = (WXTextView)caseView;
                mInstrumentation.runOnMainSync(new Runnable() {
                    @Override
                    public void run() {
                        inputView.requestFocus();
                        inputView.performClick();
                    }
                });

               sleep(2000);

               setActivity(WXPageActivity.wxPageActivityInstance);
               Activity activity2 = getActivity();
               Log.e(TAG, "activity2 = " + activity2.toString());

               ViewGroup myGroup = (ViewGroup)(activity2.findViewById(R.id.container));
               Log.e(TAG, myGroup.toString());

               ArrayList<View> inputListView = new ArrayList<View>();
               inputListView = ViewUtil.findViewWithText(myGroup, "TC_Text_Type");

//               myGroup.findViewsWithText(inputListView, "TC_Text_Type", View.FIND_VIEWS_WITH_TEXT);

               Log.e(TAG, "TC_Text_Type size== " + inputListView.size());

               if(inputListView.size()!=0){
                  final WXTextView inputTypeView = (WXTextView)inputListView.get(0);

                   mInstrumentation.runOnMainSync(new Runnable() {
                       @Override
                       public void run() {
                           inputTypeView.requestFocus();
                           inputTypeView.performClick();
                           Log.e(TAG, "TC_Text_Type clcik!");


//                           screenShot("TC_Input_Type");
                       }
                   });


                   sleep(3000);
                   Log.e(TAG, "TC_Text_Type snap!");
                   screenShot("TC_Text_Type");

               }
           }
        }

    }
 

/**
 * findview
 *
 * @param activity
 * @param viewName
 * @param <T>
 * @return
 */
public static <T extends View> T findViewByName(Context context, Activity activity, String viewName) {
    int id = getResources(context).getIdentifier(viewName, "id", context.getPackageName());
    T v = (T) activity.findViewById(id);
    return v;
}