androidx.appcompat.app.ActionBar#setElevation ( )源码实例Demo

@Override
protected void onCreate(final Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_linking_app_information);

    ActionBar actionBar = getSupportActionBar();
    if (actionBar != null) {
        actionBar.setDisplayHomeAsUpEnabled(true);
        actionBar.setElevation(0);
    }

    TextView tv = findViewById(R.id.activity_detail_version);
    if (tv != null) {
        tv.setText(getVersionName(this));
    }
}
 

private void initGUI()
{
    // Action bar (v7 compatibility library): use Toolbar
    mToolbar = findViewById(R.id.toolbar);
    setSupportActionBar(mToolbar);
    final ActionBar actionBar = getSupportActionBar();
    if (actionBar != null)
    {
        actionBar.setDisplayHomeAsUpEnabled(true);
        actionBar.setElevation(5.0f);
    }
    // activate toolbar separator, if necessary
    {
        final int sepColor = CompatUtils.getThemeColorAttr(this, R.attr.colorToolBarSeparator);
        if (sepColor != Color.TRANSPARENT && findViewById(R.id.toolbar_separator) != null)
        {
            findViewById(R.id.toolbar_separator).setVisibility(View.VISIBLE);
        }
    }

    // Action bar drawer
    mDrawerLayout = findViewById(R.id.main_drawer_layout);
    navigationView = findViewById(R.id.navigation_view);
    if (navigationView != null)
    {
        prepareNavigationView();
    }

    // ActionBarDrawerToggle ties together the the proper interactions
    // between the sliding drawer and the action bar app icon
    mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, mToolbar,
            R.string.drawer_open, R.string.drawer_open)
    {
        public void onDrawerOpened(View drawerView)
        {
            super.onDrawerOpened(drawerView);
        }
    };
    CompatUtils.setDrawerListener(mDrawerLayout, mDrawerToggle);
}
 

@Override
protected void onCreate(final Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_linking_induction);

    ActionBar actionBar = getSupportActionBar();
    if (actionBar != null) {
        actionBar.setDisplayHomeAsUpEnabled(true);
        actionBar.setElevation(0);
    }

    Button linkingBtn = findViewById(R.id.fragment_linking_app);
    if (linkingBtn != null) {
        linkingBtn.setOnClickListener((v) -> {
            LinkingUtil.startLinkingApp(getApplicationContext());
        });
    }

    Button googleBtn = findViewById(R.id.fragment_linking_setting_google_play_btn);
    if (googleBtn != null) {
        googleBtn.setOnClickListener((v) -> {
            LinkingUtil.startGooglePlay(getApplicationContext());
        });
    }

    Button updateBtn = findViewById(R.id.fragment_linking_setting_update_btn);
    if (updateBtn != null) {
        updateBtn.setOnClickListener((v) -> {
            LinkingUtil.startGooglePlay(getApplicationContext());
        });
    }
}
 

@Override
protected void onCreate(final Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_linking_device);

    mUtil = PreferenceUtil.getInstance(getApplicationContext());

    ActionBar actionBar = getSupportActionBar();
    if (actionBar != null) {
        actionBar.setDisplayHomeAsUpEnabled(true);
        actionBar.setTitle(getString(R.string.activity_device_title));
        actionBar.setElevation(0);
    }

    Intent intent = getIntent();
    if (intent != null) {
        Bundle args = intent.getExtras();
        if (args != null) {
            mDevice = getLinkingDeviceByAddress(args.getString(EXTRA_ADDRESS));
            if (mDevice != null) {
                setupUI();
            }
        }
    }

    if (mDevice == null) {
        finish();
    }
}
 

@Override
protected void onCreate(final Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_linking_setting);

    ActionBar actionBar = getSupportActionBar();
    if (actionBar != null) {
        actionBar.setElevation(0);
    }

    pageTitle[0] = getString(R.string.activity_setting_tab_paring);
    pageTitle[1] = getString(R.string.activity_setting_tab_beacon);

    mFragments[0] = LinkingDeviceListFragment.newInstance();
    mFragments[1] = LinkingBeaconListFragment.newInstance();

    TabLayout tabLayout = findViewById(R.id.activity_setting_tabs);
    ViewPager viewPager = findViewById(R.id.activity_setting_view_pager);

    if (viewPager != null) {
        viewPager.setAdapter(new MyFragmentPagerAdapter(getSupportFragmentManager()));
        if (tabLayout != null) {
            tabLayout.setupWithViewPager(viewPager);
        }
    }

    checkArguments(getIntent());

    if (LinkingUtil.getVersionCode(this) < LinkingUtil.LINKING_APP_VERSION) {
        openUpdateDialog();
    }
}
 

private void initGUI()
{
    setContentView(orientation == android.content.res.Configuration.ORIENTATION_PORTRAIT ?
            R.layout.activity_main_port : R.layout.activity_main_land);

    if (configuration.isKeepScreenOn())
    {
        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
    }

    toolbar = findViewById(R.id.toolbar);
    toolbar.setTitle(R.string.app_short_name);
    setSupportActionBar(toolbar);
    final ActionBar actionBar = getSupportActionBar();
    if (actionBar != null)
    {
        actionBar.setDisplayHomeAsUpEnabled(true);
        actionBar.setTitle(R.string.app_short_name);
        actionBar.setElevation(5.0f);
    }

    // Create the adapter that will return a fragment for each of the three
    // primary sections of the activity.
    pagerAdapter = new MainPagerAdapter(this, getSupportFragmentManager(), configuration);

    // Set up the ViewPager with the sections adapter.
    viewPager = findViewById(R.id.view_pager);
    viewPager.setAdapter(pagerAdapter);

    final TabLayout tabLayout = findViewById(R.id.tab_layout);
    tabLayout.setupWithViewPager(viewPager);

    // Navigation drawer
    navigationDrawer = new MainNavigationDrawer(this, versionName);
    // ActionBarDrawerToggle ties together the the proper interactions
    // between the sliding drawer and the action bar app icon
    mDrawerToggle = new ActionBarDrawerToggle(this, navigationDrawer.getDrawerLayout(), toolbar,
            R.string.drawer_open, R.string.drawer_open)
    {
        public void onDrawerOpened(View drawerView)
        {
            super.onDrawerOpened(drawerView);
            navigationDrawer.updateNavigationContent(stateHolder.getState());
        }
    };
    Utils.setDrawerListener(navigationDrawer.getDrawerLayout(), mDrawerToggle);
}
 

@Override
protected void onCreate(final Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_linking_beacon);

    ActionBar actionBar = getSupportActionBar();
    if (actionBar != null) {
        actionBar.setDisplayHomeAsUpEnabled(true);
        actionBar.setTitle(getString(R.string.activity_beacon_title));
        actionBar.setElevation(0);
    }

    Intent intent = getIntent();
    if (intent != null) {
        Bundle args = intent.getExtras();
        if (args != null) {
            int extraId = args.getInt(EXTRA_ID);
            int vendorId = args.getInt(VENDOR_ID);
            LinkingApplication app = (LinkingApplication) getApplication();
            LinkingBeaconManager mgr = app.getLinkingBeaconManager();
            mLinkingBeacon = mgr.findBeacon(extraId, vendorId);
        }
    }

    if (BuildConfig.DEBUG) {
        Log.i(TAG, "LinkingBeaconActivity#onCreate");
        Log.i(TAG, "Beacon: " + mLinkingBeacon);
    }

    Button clearBtn = (Button) findViewById(R.id.activity_beacon_clear_btn);
    if (clearBtn != null) {
        clearBtn.setOnClickListener((v) -> {
            clearTextView();
        });
    }

    setBeaconData();

    if (mLinkingBeacon == null) {
        finish();
    }
}