Java 类android.support.v4.widget.DrawerLayout.LayoutParams 实例源码

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

  drawerLayout = new DrawerLayout(this);
  drawerLayout.setId(android.R.id.primary);

  FrameLayout main = new FrameLayout(this);
  LayoutParams mainParams = new LayoutParams(MATCH_PARENT, MATCH_PARENT);
  drawerLayout.addView(main, mainParams);

  FrameLayout drawer = new FrameLayout(this);
  drawer.setBackgroundColor(Color.WHITE);
  LayoutParams drawerParams = new LayoutParams(300, MATCH_PARENT, RIGHT);
  drawerLayout.addView(drawer, drawerParams);

  setContentView(drawerLayout);
}

/**
 * drawer
 */
private void initLeftDrawer() {
    if (hasMenu) {
        return;
    }

    Log.d(TAG, "initializing left drawer");

    // menu: left drawer
    menu = new FrameLayout(proxy.getActivity());
    LayoutParams menuLayout = new LayoutParams(LayoutParams.WRAP_CONTENT,
            LayoutParams.MATCH_PARENT);
    menuLayout.gravity = Gravity.START;
    menu.setLayoutParams(menuLayout);

    ((DrawerLayout) getNativeView()).addView(menu);

    hasMenu = true;

    if (hasToggle) {
        initDrawerToggle();
    }
}

private void initRightDrawer() {
    if (hasFilter) {
        return;
    }

    Log.d(TAG, "initializing right drawer");

    // filter: right drawer
    filter = new FrameLayout(proxy.getActivity());
    LayoutParams filterLayout = new LayoutParams(LayoutParams.WRAP_CONTENT,
            LayoutParams.MATCH_PARENT);
    filterLayout.gravity = Gravity.END;
    filter.setLayoutParams(filterLayout);

    ((DrawerLayout) getNativeView()).addView(filter);

    hasFilter = true;
}

public ContentViewHolder(Context context, ContentView contentView) {
    super(context);
    mContentView = contentView;
    addView(mContentView, new LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
}