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

Example 21 with LinearLayout

use of android.widget.LinearLayout in project android_frameworks_base by ParanoidAndroid.

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 22 with LinearLayout

use of android.widget.LinearLayout in project android_frameworks_base by ParanoidAndroid.

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;
}

Example 23 with LinearLayout

use of android.widget.LinearLayout in project android_frameworks_base by ParanoidAndroid.

the class ListItemFactory method twoButtonsSeparatedByFiller.

/**
     * Create a view with a button at the top and bottom, with filler in between.
     * The filler is sized to take up any space left over within desiredHeight.
     *
     * @param position      The position within the list.
     * @param context       The context.
     * @param desiredHeight The desired height of the entire view.
     * @return The created view.
     */
public static View twoButtonsSeparatedByFiller(int position, Context context, int desiredHeight) {
    if (desiredHeight < 90) {
        throw new IllegalArgumentException("need at least 90 pixels of height " + "to create the two buttons and leave 10 pixels for the filler");
    }
    final LinearLayout ll = new LinearLayout(context);
    ll.setOrientation(LinearLayout.VERTICAL);
    final LinearLayout.LayoutParams buttonLp = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, 50);
    final Button topButton = new Button(context);
    topButton.setLayoutParams(buttonLp);
    topButton.setText("top (position " + position + ")");
    ll.addView(topButton);
    final TextView middleFiller = new TextView(context);
    middleFiller.setLayoutParams(new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, desiredHeight - 100));
    middleFiller.setText("filler");
    ll.addView(middleFiller);
    final Button bottomButton = new Button(context);
    bottomButton.setLayoutParams(buttonLp);
    bottomButton.setText("bottom (position " + position + ")");
    ll.addView(bottomButton);
    ll.setTag("twoButtons");
    return ll;
}

Example 24 with LinearLayout

use of android.widget.LinearLayout in project android_frameworks_base by ParanoidAndroid.

the class ListScenario method onCreate.

@Override
protected void onCreate(Bundle icicle) {
    super.onCreate(icicle);
    // for test stability, turn off title bar
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    mScreenHeight = getWindowManager().getDefaultDisplay().getHeight();
    final Params params = createParams();
    init(params);
    readAndValidateParams(params);
    mListView = createListView();
    mListView.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
    mListView.setDrawSelectorOnTop(false);
    for (int i = 0; i < mHeaderViewCount; i++) {
        TextView header = mHeadersFocusable ? new EditText(this) : new TextView(this);
        header.setText("Header: " + i);
        mListView.addHeaderView(header);
    }
    for (int i = 0; i < mFooterViewCount; i++) {
        TextView header = new TextView(this);
        header.setText("Footer: " + i);
        mListView.addFooterView(header);
    }
    if (params.mConnectAdapter) {
        setAdapter(mListView);
    }
    mListView.setItemsCanFocus(mItemsFocusable);
    if (mStartingSelectionPosition >= 0) {
        mListView.setSelection(mStartingSelectionPosition);
    }
    mListView.setPadding(0, 0, 0, 0);
    mListView.setStackFromBottom(mStackFromBottom);
    mListView.setDivider(null);
    mListView.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {

        public void onItemSelected(AdapterView parent, View v, int position, long id) {
            positionSelected(position);
        }

        public void onNothingSelected(AdapterView parent) {
            nothingSelected();
        }
    });
    mListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {

        public void onItemClick(AdapterView parent, View v, int position, long id) {
            positionClicked(position);
        }
    });
    // height for test stability
    if (params.mFadingEdgeScreenSizeFactor != null) {
        mListView.setFadingEdgeLength((int) (params.mFadingEdgeScreenSizeFactor * mScreenHeight));
    } else {
        mListView.setFadingEdgeLength((int) ((64.0 / 480) * mScreenHeight));
    }
    if (mIncludeHeader) {
        mLinearLayout = new LinearLayout(this);
        mHeaderTextView = new TextView(this);
        mHeaderTextView.setText("hi");
        mHeaderTextView.setLayoutParams(new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
        mLinearLayout.addView(mHeaderTextView);
        mLinearLayout.setOrientation(LinearLayout.VERTICAL);
        mLinearLayout.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
        mListView.setLayoutParams((new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, 0, 1f)));
        mLinearLayout.addView(mListView);
        setContentView(mLinearLayout);
    } else {
        mLinearLayout = new LinearLayout(this);
        mLinearLayout.setOrientation(LinearLayout.VERTICAL);
        mLinearLayout.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
        mListView.setLayoutParams((new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, 0, 1f)));
        mLinearLayout.addView(mListView);
        setContentView(mLinearLayout);
    }
}

Example 25 with LinearLayout

use of android.widget.LinearLayout in project android_frameworks_base by ParanoidAndroid.

the class ScrollViewScenario method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    // for test stability, turn off title bar
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    int screenHeight = getWindowManager().getDefaultDisplay().getHeight() - 25;
    mLinearLayout = new LinearLayout(this);
    mLinearLayout.setOrientation(LinearLayout.VERTICAL);
    // initialize params
    final Params params = new Params();
    init(params);
    // create views specified by params
    for (ViewFactory viewFactory : params.mViewFactories) {
        int height = ViewGroup.LayoutParams.WRAP_CONTENT;
        if (viewFactory.getHeightRatio() >= 0) {
            height = (int) (viewFactory.getHeightRatio() * screenHeight);
        }
        final LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, height);
        mLinearLayout.addView(viewFactory.create(this), lp);
    }
    mScrollView = createScrollView();
    mScrollView.setPadding(0, params.mTopPadding, 0, params.mBottomPadding);
    mScrollView.addView(mLinearLayout, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
    // no animation to speed up tests
    mScrollView.setSmoothScrollingEnabled(false);
    setContentView(mScrollView);
}