| /* |
| * Copyright 2017 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.example.androidx.slice.demos; |
| |
| import static com.example.androidx.slice.demos.SampleSliceProvider.URI_PATHS; |
| import static com.example.androidx.slice.demos.SampleSliceProvider.getUri; |
| |
| import android.arch.lifecycle.LiveData; |
| import android.content.ContentResolver; |
| import android.content.Intent; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageInfo; |
| import android.content.pm.PackageManager; |
| import android.database.Cursor; |
| import android.database.MatrixCursor; |
| import android.net.Uri; |
| import android.os.Bundle; |
| import android.provider.BaseColumns; |
| import android.support.annotation.NonNull; |
| import android.support.annotation.RequiresApi; |
| import android.support.v7.app.AppCompatActivity; |
| import android.support.v7.widget.Toolbar; |
| import android.util.ArrayMap; |
| import android.util.Log; |
| import android.view.Menu; |
| import android.view.MenuItem; |
| import android.view.SubMenu; |
| import android.view.ViewGroup; |
| import android.widget.CursorAdapter; |
| import android.widget.SearchView; |
| import android.widget.SimpleCursorAdapter; |
| |
| import java.util.ArrayList; |
| import java.util.Comparator; |
| import java.util.List; |
| |
| import androidx.slice.Slice; |
| import androidx.slice.SliceItem; |
| import androidx.slice.widget.EventInfo; |
| import androidx.slice.widget.SliceLiveData; |
| import androidx.slice.widget.SliceView; |
| |
| /** |
| * Example use of SliceView. Uses a search bar to select/auto-complete a slice uri which is |
| * then displayed in the selected mode with SliceView. |
| */ |
| @RequiresApi(api = 28) |
| public class SliceBrowser extends AppCompatActivity implements SliceView.OnSliceActionListener { |
| |
| private static final String TAG = "SlicePresenter"; |
| |
| private static final String SLICE_METADATA_KEY = "android.metadata.SLICE_URI"; |
| private static final boolean TEST_INTENT = false; |
| private static final boolean TEST_THEMES = false; |
| private static final boolean SCROLLING_ENABLED = true; |
| |
| private ArrayList<Uri> mSliceUris = new ArrayList<Uri>(); |
| private int mSelectedMode; |
| private ViewGroup mContainer; |
| private SearchView mSearchView; |
| private SimpleCursorAdapter mAdapter; |
| private SubMenu mTypeMenu; |
| private LiveData<Slice> mSliceLiveData; |
| |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| setContentView(R.layout.activity_layout); |
| |
| Toolbar toolbar = findViewById(R.id.search_toolbar); |
| setSupportActionBar(toolbar); |
| |
| // Shows the slice |
| mContainer = findViewById(R.id.slice_preview); |
| mSearchView = findViewById(R.id.search_view); |
| |
| final String[] from = new String[]{"uri"}; |
| final int[] to = new int[]{android.R.id.text1}; |
| mAdapter = new SimpleCursorAdapter(this, R.layout.simple_list_item_1, |
| null, from, to, CursorAdapter.FLAG_REGISTER_CONTENT_OBSERVER); |
| mSearchView.setSuggestionsAdapter(mAdapter); |
| mSearchView.setIconifiedByDefault(false); |
| mSearchView.setOnSuggestionListener(new SearchView.OnSuggestionListener() { |
| @Override |
| public boolean onSuggestionClick(int position) { |
| mSearchView.setQuery(((Cursor) mAdapter.getItem(position)).getString(1), true); |
| return true; |
| } |
| |
| @Override |
| public boolean onSuggestionSelect(int position) { |
| mSearchView.setQuery(((Cursor) mAdapter.getItem(position)).getString(1), true); |
| return true; |
| } |
| }); |
| mSearchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() { |
| @Override |
| public boolean onQueryTextSubmit(String s) { |
| addSlice(Uri.parse(s)); |
| mSearchView.clearFocus(); |
| return false; |
| } |
| |
| @Override |
| public boolean onQueryTextChange(String s) { |
| populateAdapter(s); |
| return false; |
| } |
| }); |
| |
| mSelectedMode = (savedInstanceState != null) |
| ? savedInstanceState.getInt("SELECTED_MODE", SliceView.MODE_LARGE) |
| : SliceView.MODE_LARGE; |
| if (savedInstanceState != null) { |
| mSearchView.setQuery(savedInstanceState.getString("SELECTED_QUERY"), true); |
| } |
| |
| grantPackage(getPackageName()); |
| // TODO: Listen for changes. |
| updateAvailableSlices(); |
| if (TEST_INTENT) { |
| addSlice(new Intent("androidx.intent.SLICE_ACTION").setPackage(getPackageName())); |
| } |
| } |
| |
| @Override |
| public boolean onCreateOptionsMenu(Menu menu) { |
| mTypeMenu = menu.addSubMenu("Type"); |
| mTypeMenu.setIcon(R.drawable.ic_large); |
| mTypeMenu.getItem().setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS); |
| mTypeMenu.add("Shortcut"); |
| mTypeMenu.add("Small"); |
| mTypeMenu.add("Large"); |
| menu.add("Auth"); |
| super.onCreateOptionsMenu(menu); |
| return true; |
| } |
| |
| @Override |
| public boolean onOptionsItemSelected(MenuItem item) { |
| switch (item.getTitle().toString()) { |
| case "Auth": |
| authAllSlices(); |
| return true; |
| case "Shortcut": |
| mTypeMenu.setIcon(R.drawable.ic_shortcut); |
| mSelectedMode = SliceView.MODE_SHORTCUT; |
| updateSliceModes(); |
| return true; |
| case "Small": |
| mTypeMenu.setIcon(R.drawable.ic_small); |
| mSelectedMode = SliceView.MODE_SMALL; |
| updateSliceModes(); |
| return true; |
| case "Large": |
| mTypeMenu.setIcon(R.drawable.ic_large); |
| mSelectedMode = SliceView.MODE_LARGE; |
| updateSliceModes(); |
| return true; |
| } |
| return super.onOptionsItemSelected(item); |
| } |
| |
| @Override |
| protected void onSaveInstanceState(Bundle outState) { |
| super.onSaveInstanceState(outState); |
| outState.putInt("SELECTED_MODE", mSelectedMode); |
| outState.putString("SELECTED_QUERY", mSearchView.getQuery().toString()); |
| } |
| |
| private void authAllSlices() { |
| List<ApplicationInfo> packages = getPackageManager().getInstalledApplications(0); |
| packages.forEach(info -> { |
| grantPackage(info.packageName); |
| }); |
| } |
| |
| private void grantPackage(String packageName) { |
| for (int i = 0; i < URI_PATHS.length; i++) { |
| grantUriPermission(packageName, getUri(URI_PATHS[i], getApplicationContext()), |
| Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION |
| | Intent.FLAG_GRANT_WRITE_URI_PERMISSION); |
| } |
| } |
| |
| private void updateAvailableSlices() { |
| mSliceUris.clear(); |
| List<PackageInfo> packageInfos = getPackageManager() |
| .getInstalledPackages(PackageManager.GET_ACTIVITIES | PackageManager.GET_META_DATA); |
| for (PackageInfo pi : packageInfos) { |
| ActivityInfo[] activityInfos = pi.activities; |
| if (activityInfos != null) { |
| for (ActivityInfo ai : activityInfos) { |
| if (ai.metaData != null) { |
| String sliceUri = ai.metaData.getString(SLICE_METADATA_KEY); |
| if (sliceUri != null) { |
| mSliceUris.add(Uri.parse(sliceUri)); |
| } |
| } |
| } |
| } |
| } |
| for (int i = 0; i < URI_PATHS.length; i++) { |
| mSliceUris.add(getUri(URI_PATHS[i], getApplicationContext())); |
| } |
| populateAdapter(String.valueOf(mSearchView.getQuery())); |
| } |
| |
| private void addSlice(Intent intent) { |
| SliceView v = createSliceView(); |
| v.setTag(intent); |
| mContainer.removeAllViews(); |
| mContainer.addView(v); |
| mSliceLiveData = SliceLiveData.fromIntent(this, intent); |
| v.setMode(mSelectedMode); |
| mSliceLiveData.observe(this, v); |
| } |
| |
| private void addSlice(Uri uri) { |
| if (ContentResolver.SCHEME_CONTENT.equals(uri.getScheme())) { |
| SliceView v = createSliceView(); |
| v.setTag(uri); |
| mContainer.removeAllViews(); |
| mContainer.addView(v); |
| mSliceLiveData = SliceLiveData.fromUri(this, uri); |
| v.setMode(mSelectedMode); |
| mSliceLiveData.observe(this, v); |
| } else { |
| Log.w(TAG, "Invalid uri, skipping slice: " + uri); |
| } |
| } |
| |
| private void updateSliceModes() { |
| final int count = mContainer.getChildCount(); |
| for (int i = 0; i < count; i++) { |
| ((SliceView) mContainer.getChildAt(i)).setMode(mSelectedMode); |
| } |
| } |
| |
| private void populateAdapter(String query) { |
| final MatrixCursor c = new MatrixCursor(new String[]{BaseColumns._ID, "uri"}); |
| ArrayMap<String, Integer> ranking = new ArrayMap<>(); |
| ArrayList<String> suggestions = new ArrayList(); |
| mSliceUris.forEach(uri -> { |
| String uriString = uri.toString(); |
| if (uriString.contains(query)) { |
| ranking.put(uriString, uriString.indexOf(query)); |
| suggestions.add(uriString); |
| } |
| }); |
| suggestions.sort(new Comparator<String>() { |
| @Override |
| public int compare(String o1, String o2) { |
| return Integer.compare(ranking.get(o1), ranking.get(o2)); |
| } |
| }); |
| for (int i = 0; i < suggestions.size(); i++) { |
| c.addRow(new Object[]{i, suggestions.get(i)}); |
| } |
| mAdapter.changeCursor(c); |
| } |
| |
| @Override |
| public void onSliceAction(@NonNull EventInfo info, @NonNull SliceItem item) { |
| Log.w(TAG, "onSliceAction, info: " + info); |
| Log.w(TAG, "onSliceAction, sliceItem: \n" + item); |
| } |
| |
| private SliceView createSliceView() { |
| SliceView v = TEST_THEMES |
| ? (SliceView) getLayoutInflater().inflate( |
| R.layout.slice_view, mContainer, false) |
| : new SliceView(getApplicationContext()); |
| v.setOnSliceActionListener(this); |
| if (mSliceLiveData != null) { |
| mSliceLiveData.removeObservers(this); |
| } |
| v.setScrollable(SCROLLING_ENABLED); |
| return v; |
| } |
| } |