diff options
| -rw-r--r-- | src/com/android/packageinstaller/PackageInstallerActivity.java | 133 | ||||
| -rw-r--r-- | src/com/android/packageinstaller/TabsAdapter.java | 155 |
2 files changed, 156 insertions, 132 deletions
diff --git a/src/com/android/packageinstaller/PackageInstallerActivity.java b/src/com/android/packageinstaller/PackageInstallerActivity.java index 4d7b0c04..afe6e012 100644 --- a/src/com/android/packageinstaller/PackageInstallerActivity.java +++ b/src/com/android/packageinstaller/PackageInstallerActivity.java @@ -29,15 +29,13 @@ import android.content.pm.ApplicationInfo; import android.content.pm.ManifestDigest; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; -import android.content.pm.PackageUserState; import android.content.pm.PackageManager.NameNotFoundException; import android.content.pm.PackageParser; +import android.content.pm.PackageUserState; import android.content.pm.VerificationParams; -import android.graphics.Rect; import android.net.Uri; import android.os.Bundle; import android.provider.Settings; -import android.support.v4.view.PagerAdapter; import android.support.v4.view.ViewPager; import android.util.Log; import android.view.LayoutInflater; @@ -46,13 +44,10 @@ import android.view.View.OnClickListener; import android.view.ViewGroup; import android.widget.AppSecurityPermissions; import android.widget.Button; -import android.widget.ScrollView; import android.widget.TabHost; -import android.widget.TabWidget; import android.widget.TextView; import java.io.File; -import java.util.ArrayList; /* * This activity is launched when a new application is installed via side loading @@ -98,132 +93,6 @@ public class PackageInstallerActivity extends Activity implements OnCancelListen private static final int DLG_INSTALL_ERROR = DLG_BASE + 4; private static final int DLG_ALLOW_SOURCE = DLG_BASE + 5; - /** - * This is a helper class that implements the management of tabs and all - * details of connecting a ViewPager with associated TabHost. It relies on a - * trick. Normally a tab host has a simple API for supplying a View or - * Intent that each tab will show. This is not sufficient for switching - * between pages. So instead we make the content part of the tab host - * 0dp high (it is not shown) and the TabsAdapter supplies its own dummy - * view to show as the tab content. It listens to changes in tabs, and takes - * care of switch to the correct paged in the ViewPager whenever the selected - * tab changes. - */ - public static class TabsAdapter extends PagerAdapter - implements TabHost.OnTabChangeListener, ViewPager.OnPageChangeListener { - private final Context mContext; - private final TabHost mTabHost; - private final ViewPager mViewPager; - private final ArrayList<TabInfo> mTabs = new ArrayList<TabInfo>(); - private final Rect mTempRect = new Rect(); - - static final class TabInfo { - private final String tag; - private final View view; - - TabInfo(String _tag, View _view) { - tag = _tag; - view = _view; - } - } - - static class DummyTabFactory implements TabHost.TabContentFactory { - private final Context mContext; - - public DummyTabFactory(Context context) { - mContext = context; - } - - @Override - public View createTabContent(String tag) { - View v = new View(mContext); - v.setMinimumWidth(0); - v.setMinimumHeight(0); - return v; - } - } - - public TabsAdapter(Activity activity, TabHost tabHost, ViewPager pager) { - mContext = activity; - mTabHost = tabHost; - mViewPager = pager; - mTabHost.setOnTabChangedListener(this); - mViewPager.setAdapter(this); - mViewPager.setOnPageChangeListener(this); - } - - public void addTab(TabHost.TabSpec tabSpec, View view) { - tabSpec.setContent(new DummyTabFactory(mContext)); - String tag = tabSpec.getTag(); - - TabInfo info = new TabInfo(tag, view); - mTabs.add(info); - mTabHost.addTab(tabSpec); - notifyDataSetChanged(); - } - - @Override - public int getCount() { - return mTabs.size(); - } - - @Override - public Object instantiateItem(ViewGroup container, int position) { - View view = mTabs.get(position).view; - container.addView(view); - return view; - } - - @Override - public void destroyItem(ViewGroup container, int position, Object object) { - container.removeView((View)object); - } - - @Override - public boolean isViewFromObject(View view, Object object) { - return view == object; - } - - @Override - public void onTabChanged(String tabId) { - int position = mTabHost.getCurrentTab(); - mViewPager.setCurrentItem(position); - } - - @Override - public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) { - } - - @Override - public void onPageSelected(int position) { - // Unfortunately when TabHost changes the current tab, it kindly - // also takes care of putting focus on it when not in touch mode. - // The jerk. - // This hack tries to prevent this from pulling focus out of our - // ViewPager. - TabWidget widget = mTabHost.getTabWidget(); - int oldFocusability = widget.getDescendantFocusability(); - widget.setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS); - mTabHost.setCurrentTab(position); - widget.setDescendantFocusability(oldFocusability); - - // Scroll the current tab into visibility if needed. - View tab = widget.getChildTabViewAt(position); - mTempRect.set(tab.getLeft(), tab.getTop(), tab.getRight(), tab.getBottom()); - widget.requestRectangleOnScreen(mTempRect, false); - - // Make sure the scrollbars are visible for a moment after selection - final View contentView = mTabs.get(position).view; - if (contentView instanceof CaffeinatedScrollView) { - ((CaffeinatedScrollView) contentView).awakenScrollBars(); - } - } - - @Override - public void onPageScrollStateChanged(int state) { - } - } - private void startInstallConfirm() { TabHost tabHost = (TabHost)findViewById(android.R.id.tabhost); tabHost.setup(); diff --git a/src/com/android/packageinstaller/TabsAdapter.java b/src/com/android/packageinstaller/TabsAdapter.java new file mode 100644 index 00000000..3509e092 --- /dev/null +++ b/src/com/android/packageinstaller/TabsAdapter.java @@ -0,0 +1,155 @@ +/* +** +** Copyright 2013, The Android Open Source Project +** +** Licensed under the Apache License, Version 2.0 (the "License"); +** you may not use this file except in compliance with the License. +** You may obtain a copy of the License at +** +** http://www.apache.org/licenses/LICENSE-2.0 +** +** Unless required by applicable law or agreed to in writing, software +** distributed under the License is distributed on an "AS IS" BASIS, +** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +** See the License for the specific language governing permissions and +** limitations under the License. +*/ +package com.android.packageinstaller; + +import android.app.Activity; +import android.content.Context; +import android.graphics.Rect; +import android.support.v4.view.PagerAdapter; +import android.support.v4.view.ViewPager; +import android.view.View; +import android.view.ViewGroup; +import android.widget.TabHost; +import android.widget.TabWidget; + +import java.util.ArrayList; + +/** + * This is a helper class that implements the management of tabs and all + * details of connecting a ViewPager with associated TabHost. It relies on a + * trick. Normally a tab host has a simple API for supplying a View or + * Intent that each tab will show. This is not sufficient for switching + * between pages. So instead we make the content part of the tab host + * 0dp high (it is not shown) and the TabsAdapter supplies its own dummy + * view to show as the tab content. It listens to changes in tabs, and takes + * care of switch to the correct paged in the ViewPager whenever the selected + * tab changes. + */ +public class TabsAdapter extends PagerAdapter + implements TabHost.OnTabChangeListener, ViewPager.OnPageChangeListener { + private final Context mContext; + private final TabHost mTabHost; + private final ViewPager mViewPager; + private final ArrayList<TabInfo> mTabs = new ArrayList<TabInfo>(); + private final Rect mTempRect = new Rect(); + + static final class TabInfo { + private final String tag; + private final View view; + + TabInfo(String _tag, View _view) { + tag = _tag; + view = _view; + } + } + + static class DummyTabFactory implements TabHost.TabContentFactory { + private final Context mContext; + + public DummyTabFactory(Context context) { + mContext = context; + } + + @Override + public View createTabContent(String tag) { + View v = new View(mContext); + v.setMinimumWidth(0); + v.setMinimumHeight(0); + return v; + } + } + + public TabsAdapter(Activity activity, TabHost tabHost, ViewPager pager) { + mContext = activity; + mTabHost = tabHost; + mViewPager = pager; + mTabHost.setOnTabChangedListener(this); + mViewPager.setAdapter(this); + mViewPager.setOnPageChangeListener(this); + } + + public void addTab(TabHost.TabSpec tabSpec, View view) { + tabSpec.setContent(new DummyTabFactory(mContext)); + String tag = tabSpec.getTag(); + + TabInfo info = new TabInfo(tag, view); + mTabs.add(info); + mTabHost.addTab(tabSpec); + notifyDataSetChanged(); + } + + @Override + public int getCount() { + return mTabs.size(); + } + + @Override + public Object instantiateItem(ViewGroup container, int position) { + View view = mTabs.get(position).view; + container.addView(view); + return view; + } + + @Override + public void destroyItem(ViewGroup container, int position, Object object) { + container.removeView((View)object); + } + + @Override + public boolean isViewFromObject(View view, Object object) { + return view == object; + } + + @Override + public void onTabChanged(String tabId) { + int position = mTabHost.getCurrentTab(); + mViewPager.setCurrentItem(position); + } + + @Override + public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) { + } + + @Override + public void onPageSelected(int position) { + // Unfortunately when TabHost changes the current tab, it kindly + // also takes care of putting focus on it when not in touch mode. + // The jerk. + // This hack tries to prevent this from pulling focus out of our + // ViewPager. + TabWidget widget = mTabHost.getTabWidget(); + int oldFocusability = widget.getDescendantFocusability(); + widget.setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS); + mTabHost.setCurrentTab(position); + widget.setDescendantFocusability(oldFocusability); + + // Scroll the current tab into visibility if needed. + View tab = widget.getChildTabViewAt(position); + mTempRect.set(tab.getLeft(), tab.getTop(), tab.getRight(), tab.getBottom()); + widget.requestRectangleOnScreen(mTempRect, false); + + // Make sure the scrollbars are visible for a moment after selection + final View contentView = mTabs.get(position).view; + if (contentView instanceof CaffeinatedScrollView) { + ((CaffeinatedScrollView) contentView).awakenScrollBars(); + } + } + + @Override + public void onPageScrollStateChanged(int state) { + } +} |