Examples with LinearLayout android.widget.LinearLayout used on opensource projects

Example 41 with LinearLayout

use of android.widget.LinearLayout in project platform_frameworks_base by android.

the class SurfaceCompositionMeasuringActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
    // Detect Andromeda devices by having free-form window management feature.
    mAndromeda = getPackageManager().hasSystemFeature(PackageManager.FEATURE_FREEFORM_WINDOW_MANAGEMENT);
    detectRefreshRate();
    // To layouts in parent. First contains list of Surfaces and second
    // controls. Controls stay on top.
    RelativeLayout rootLayout = new RelativeLayout(this);
    rootLayout.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
    CustomLayout layout = new CustomLayout(this);
    layout.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
    Rect rect = new Rect();
    getWindow().getDecorView().getWindowVisibleDisplayFrame(rect);
    mWidth = rect.right;
    mHeight = rect.bottom;
    long maxMemoryPerSurface = roundToNextPowerOf2(mWidth) * roundToNextPowerOf2(mHeight) * 4;
    // Use 75% of available memory.
    int surfaceCnt = (int) ((getMemoryInfo().availMem * 3) / (4 * maxMemoryPerSurface));
    if (surfaceCnt < MIN_NUMBER_OF_SURFACES) {
        throw new RuntimeException("Not enough memory to allocate " + MIN_NUMBER_OF_SURFACES + " surfaces.");
    }
    if (surfaceCnt > MAX_NUMBER_OF_SURFACES) {
        surfaceCnt = MAX_NUMBER_OF_SURFACES;
    }
    LinearLayout controlLayout = new LinearLayout(this);
    controlLayout.setOrientation(LinearLayout.VERTICAL);
    controlLayout.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
    mMeasureCompositionButton = createButton("Compositor speed.", controlLayout);
    mMeasureAllocationButton = createButton("Allocation speed", controlLayout);
    String[] pixelFomats = new String[PIXEL_FORMATS.length];
    for (int i = 0; i < pixelFomats.length; ++i) {
        pixelFomats[i] = getPixelFormatInfo(PIXEL_FORMATS[i]);
    }
    mPixelFormatSelector = new Spinner(this);
    ArrayAdapter<String> pixelFormatSelectorAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, pixelFomats);
    pixelFormatSelectorAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
    mPixelFormatSelector.setAdapter(pixelFormatSelectorAdapter);
    mPixelFormatSelector.setLayoutParams(new LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT));
    controlLayout.addView(mPixelFormatSelector);
    mResultView = new TextView(this);
    mResultView.setBackgroundColor(0);
    mResultView.setText("Press button to start test.");
    mResultView.setLayoutParams(new LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT));
    controlLayout.addView(mResultView);
    mSystemInfoView = new TextView(this);
    mSystemInfoView.setBackgroundColor(0);
    mSystemInfoView.setLayoutParams(new LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT));
    controlLayout.addView(mSystemInfoView);
    for (int i = 0; i < surfaceCnt; ++i) {
        CustomSurfaceView view = new CustomSurfaceView(this, "Surface:" + i);
        // to mark as media overlay.
        if (i == 0) {
            view.setLayoutParams(new CustomLayout.LayoutParams(0, 0, mWidth, mHeight));
            view.setZOrderMediaOverlay(false);
        } else {
            // Z order of other layers is not predefined so make offset on x and reverse
            // offset on y to make sure that surface is visible in any layout.
            int x = i;
            int y = (surfaceCnt - i);
            view.setLayoutParams(new CustomLayout.LayoutParams(x, y, x + mWidth, y + mHeight));
            view.setZOrderMediaOverlay(true);
        }
        view.setVisibility(View.INVISIBLE);
        layout.addView(view);
        mViews.add(view);
    }
    rootLayout.addView(layout);
    rootLayout.addView(controlLayout);
    setContentView(rootLayout);
}

Example 42 with LinearLayout

use of android.widget.LinearLayout in project platform_frameworks_base by android.

the class RenderSessionImpl method setupTabHost.

/**
     * Sets up a {@link TabHost} object.
     * @param tabHost the TabHost to setup.
     * @param layoutlibCallback The project callback object to access the project R class.
     * @throws PostInflateException
     */
private void setupTabHost(TabHost tabHost, LayoutlibCallback layoutlibCallback) throws PostInflateException {
    // look for the TabWidget, and the FrameLayout. They have their own specific names
    View v = tabHost.findViewById(android.R.id.tabs);
    if (v == null) {
        throw new PostInflateException("TabHost requires a TabWidget with id \"android:id/tabs\".\n");
    }
    if (!(v instanceof TabWidget)) {
        throw new PostInflateException(String.format("TabHost requires a TabWidget with id \"android:id/tabs\".\n" + "View found with id 'tabs' is '%s'", v.getClass().getCanonicalName()));
    }
    v = tabHost.findViewById(android.R.id.tabcontent);
    if (v == null) {
        //noinspection SpellCheckingInspection
        throw new PostInflateException("TabHost requires a FrameLayout with id \"android:id/tabcontent\".");
    }
    if (!(v instanceof FrameLayout)) {
        //noinspection SpellCheckingInspection
        throw new PostInflateException(String.format("TabHost requires a FrameLayout with id \"android:id/tabcontent\".\n" + "View found with id 'tabcontent' is '%s'", v.getClass().getCanonicalName()));
    }
    FrameLayout content = (FrameLayout) v;
    // now process the content of the frameLayout and dynamically create tabs for it.
    final int count = content.getChildCount();
    // this must be called before addTab() so that the TabHost searches its TabWidget
    // and FrameLayout.
    tabHost.setup();
    if (count == 0) {
        // Create a dummy child to get a single tab
        TabSpec spec = tabHost.newTabSpec("tag").setIndicator("Tab Label", tabHost.getResources().getDrawable(android.R.drawable.ic_menu_info_details, null)).setContent(new TabHost.TabContentFactory() {

            @Override
            public View createTabContent(String tag) {
                return new LinearLayout(getContext());
            }
        });
        tabHost.addTab(spec);
    } else {
        // for each child of the frameLayout, add a new TabSpec
        for (int i = 0; i < count; i++) {
            View child = content.getChildAt(i);
            String tabSpec = String.format("tab_spec%d", i + 1);
            // child cannot be null.
            @SuppressWarnings("ConstantConditions") int id = child.getId();
            @SuppressWarnings("deprecation") Pair<ResourceType, String> resource = layoutlibCallback.resolveResourceId(id);
            String name;
            if (resource != null) {
                name = resource.getSecond();
            } else {
                // default name if id is unresolved.
                name = String.format("Tab %d", i + 1);
            }
            tabHost.addTab(tabHost.newTabSpec(tabSpec).setIndicator(name).setContent(id));
        }
    }
}

Example 43 with LinearLayout

use of android.widget.LinearLayout in project platform_frameworks_base by android.

the class ActionBarView method setNavigationMode.

public void setNavigationMode(int mode) {
    final int oldMode = mNavigationMode;
    if (mode != oldMode) {
        switch(oldMode) {
            case ActionBar.NAVIGATION_MODE_LIST:
                if (mListNavLayout != null) {
                    removeView(mListNavLayout);
                }
                break;
            case ActionBar.NAVIGATION_MODE_TABS:
                if (mTabScrollView != null && mIncludeTabs) {
                    removeView(mTabScrollView);
                }
        }
        switch(mode) {
            case ActionBar.NAVIGATION_MODE_LIST:
                if (mSpinner == null) {
                    mSpinner = new Spinner(mContext, null, com.android.internal.R.attr.actionDropDownStyle);
                    mSpinner.setId(com.android.internal.R.id.action_bar_spinner);
                    mListNavLayout = new LinearLayout(mContext, null, com.android.internal.R.attr.actionBarTabBarStyle);
                    LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.MATCH_PARENT);
                    params.gravity = Gravity.CENTER;
                    mListNavLayout.addView(mSpinner, params);
                }
                if (mSpinner.getAdapter() != mSpinnerAdapter) {
                    mSpinner.setAdapter(mSpinnerAdapter);
                }
                mSpinner.setOnItemSelectedListener(mNavItemSelectedListener);
                addView(mListNavLayout);
                break;
            case ActionBar.NAVIGATION_MODE_TABS:
                if (mTabScrollView != null && mIncludeTabs) {
                    addView(mTabScrollView);
                }
                break;
        }
        mNavigationMode = mode;
        requestLayout();
    }
}

Example 44 with LinearLayout

use of android.widget.LinearLayout in project platform_frameworks_base by android.

the class ListItemFactory method horizontalButtonSlots.

/**
     * Create a horizontal linear layout divided into thirds (with some margins
     * separating the thirds), filled with buttons into some slots.
     * @param context The context.
     * @param desiredHeight The height of the LL.
     * @param slots Which slots to fill with buttons.
     * @return The linear layout.
     */
public static View horizontalButtonSlots(Context context, int desiredHeight, Slot... slots) {
    final LinearLayout ll = new LinearLayout(context);
    ll.setOrientation(LinearLayout.HORIZONTAL);
    final LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(0, desiredHeight);
    lp.setMargins(10, 0, 10, 0);
    lp.weight = 0.33f;
    boolean left = false;
    boolean middle = false;
    boolean right = false;
    for (Slot slot : slots) {
        switch(slot) {
            case Left:
                left = true;
                break;
            case Middle:
                middle = true;
                break;
            case Right:
                right = true;
                break;
        }
    }
    if (left) {
        final Button button = new Button(context);
        button.setText("left");
        ll.addView(button, lp);
    } else {
        ll.addView(new View(context), lp);
    }
    if (middle) {
        final Button button = new Button(context);
        button.setText("center");
        ll.addView(button, lp);
    } else {
        ll.addView(new View(context), lp);
    }
    if (right) {
        final Button button = new Button(context);
        button.setText("right");
        ll.addView(button, lp);
    } else {
        ll.addView(new View(context), lp);
    }
    return ll;
}

Example 45 with LinearLayout

use of android.widget.LinearLayout in project platform_frameworks_base by android.

the class ListItemFactory method doubleText.

/**
     * Create a text view ready to be a list item.
     *
     * @param position      The position within the list.
     * @param context       The context.
     * @param text          The text of the button
     * @param desiredHeight The desired height of the button
     * @return The created view.
     */
public static View doubleText(int position, Context context, String text, int desiredHeight) {
    final LinearLayout ll = new LinearLayout(context);
    ll.setOrientation(LinearLayout.HORIZONTAL);
    final AbsListView.LayoutParams lp = new AbsListView.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, desiredHeight);
    ll.setLayoutParams(lp);
    ll.setId(position);
    TextView t1 = new TextView(context);
    t1.setHeight(desiredHeight);
    t1.setText(text);
    t1.setGravity(Gravity.START | Gravity.CENTER_VERTICAL);
    final ViewGroup.LayoutParams lp1 = new LinearLayout.LayoutParams(0, ViewGroup.LayoutParams.WRAP_CONTENT, 1.0f);
    ll.addView(t1, lp1);
    TextView t2 = new TextView(context);
    t2.setHeight(desiredHeight);
    t2.setText(text);
    t2.setGravity(Gravity.RIGHT | Gravity.CENTER_VERTICAL);
    final ViewGroup.LayoutParams lp2 = new LinearLayout.LayoutParams(0, ViewGroup.LayoutParams.WRAP_CONTENT, 1.0f);
    ll.addView(t2, lp2);
    ll.setTag("double");
    return ll;
}