Remove app icons view from Display Size (Fix #1)

<?xml version="1.0" encoding="utf-8"?>

<!-- Copyright (C) 2016 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.

-->

<com.android.settings.display.AppGridView

    xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:importantForAccessibility="noHideDescendants" />

<?xml version="1.0" encoding="utf-8"?>

<!-- Copyright (C) 2016 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.

-->

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"

             android:layout_width="match_parent"

             android:layout_height="wrap_content"

             android:importantForAccessibility="noHideDescendants">

    <LinearLayout

        android:layout_width="@dimen/screen_zoom_preview_app_icon_width"

        android:layout_height="wrap_content"

        android:layout_gravity="center_horizontal|top"

        android:gravity="center_horizontal"

        android:orientation="vertical"

        android:padding="8dp">

        <ImageView

            android:id="@android:id/icon1"

            android:layout_width="64dp"

            android:layout_height="64dp"

            android:layout_marginBottom="4dp"

            android:scaleType="fitCenter" />

        <TextView

            android:id="@android:id/text1"

            android:layout_width="match_parent"

            android:layout_height="wrap_content"

            android:ellipsize="end"

            android:gravity="center_horizontal|top"

            android:singleLine="true"

            android:textAppearance="@android:style/TextAppearance.Material.Caption" />

    </LinearLayout>

</FrameLayout>

 No newline at end of file

/*

 * Copyright (C) 2016 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.settings.display;

import com.android.settings.R;

import android.content.Context;

import android.content.Intent;

import android.content.pm.PackageManager;

import android.content.pm.ResolveInfo;

import android.graphics.drawable.Drawable;

import android.util.AttributeSet;

import android.view.View;

import android.view.ViewGroup;

import android.widget.ArrayAdapter;

import android.widget.GridView;

import android.widget.ImageView;

import java.util.ArrayList;

import java.util.Collections;

import java.util.List;

public class AppGridView extends GridView {

    public AppGridView(Context context) {

        this(context, null);

    }

    public AppGridView(Context context, AttributeSet attrs) {

        this(context, attrs, 0);

    }

    public AppGridView(Context context, AttributeSet attrs, int defStyleAttr) {

        this(context, attrs, defStyleAttr, 0);

    }

    public AppGridView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleResId) {

        super(context, attrs, defStyleAttr, defStyleResId);

        setNumColumns(AUTO_FIT);

        final int columnWidth = getResources().getDimensionPixelSize(

                R.dimen.screen_zoom_preview_app_icon_width);

        setColumnWidth(columnWidth);

        setAdapter(new AppsAdapter(context, R.layout.screen_zoom_preview_app_icon,

                android.R.id.text1, android.R.id.icon1));

    }

    /**

     * Loads application labels and icons.

     */

    private static class AppsAdapter extends ArrayAdapter<ActivityEntry> {

        private final PackageManager mPackageManager;

        private final int mIconResId;

        public AppsAdapter(Context context, int layout, int textResId, int iconResId) {

            super(context, layout, textResId);

            mIconResId = iconResId;

            mPackageManager = context.getPackageManager();

            loadAllApps();

        }

        @Override

        public View getView(int position, View convertView, ViewGroup parent) {

            final View view = super.getView(position, convertView, parent);

            final ActivityEntry entry = getItem(position);

            final ImageView iconView = (ImageView) view.findViewById(mIconResId);

            final Drawable icon = entry.info.loadIcon(mPackageManager);

            iconView.setImageDrawable(icon);

            return view;

        }

        @Override

        public boolean hasStableIds() {

            return true;

        }

        @Override

        public long getItemId(int position) {

            return position;

        }

        @Override

        public boolean isEnabled(int position) {

            return false;

        }

        private void loadAllApps() {

            final Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);

            mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);

            final PackageManager pm = mPackageManager;

            final ArrayList<ActivityEntry> results = new ArrayList<>();

            final List<ResolveInfo> infos = pm.queryIntentActivities(mainIntent, 0);

            for (ResolveInfo info : infos) {

                final CharSequence label = info.loadLabel(pm);

                if (label != null) {

                    results.add(new ActivityEntry(info, label.toString()));

                }

            }

            Collections.sort(results);

            addAll(results);

        }

    }

    /**

     * Class used for caching the activity label and icon.

     */

    private static class ActivityEntry implements Comparable<ActivityEntry> {

        public final ResolveInfo info;

        public final String label;

        public ActivityEntry(ResolveInfo info, String label) {

            this.info = info;

            this.label = label;

        }

        @Override

        public int compareTo(ActivityEntry entry) {

            return label.compareToIgnoreCase(entry.label);

        }

        @Override

        public String toString() {

            return label;

        }

    }

}

        // This should be replaced once the final preview sample screen is in place.

        mPreviewSampleResIds = new int[]{R.layout.screen_zoom_preview_1,

                R.layout.screen_zoom_preview_2,

                R.layout.screen_zoom_preview_settings};

        final DisplayDensityUtils density = new DisplayDensityUtils(getContext());