UI Refresh: a new app info header for app/notification.

- moved force stop and uninstall button to bottom of page (as footer)
- Forked appheader layout file, and created AppHeaderController to
  contain all binding logic for header.

Bug: 32442716
Test: RunSettingsRoboTests
Change-Id: Id4eb365ca25e035c043c068867f5cbc3a202b201

src/com/android/settings/applications/AppHeaderController.java

@@ -0,0 +1,163 @@
+/*
+ * 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.applications;
+
+import android.app.Fragment;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageInfo;
+import android.content.pm.ResolveInfo;
+import android.content.res.Resources;
+import android.support.annotation.IntDef;
+import android.text.TextUtils;
+import android.util.Log;
+import android.view.View;
+import android.widget.ImageButton;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.android.settings.R;
+import com.android.settings.Utils;
+import com.android.settingslib.applications.ApplicationsState;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+public class AppHeaderController {
+
+    @IntDef({ActionType.ACTION_APP_INFO,
+            ActionType.ACTION_APP_PREFERENCE,
+            ActionType.ACTION_STORE_DEEP_LINK,
+            ActionType.ACTION_NOTIF_PREFERENCE})
+    @Retention(RetentionPolicy.SOURCE)
+    @interface ActionType {
+        int ACTION_APP_INFO = 0;
+        int ACTION_STORE_DEEP_LINK = 1;
+        int ACTION_APP_PREFERENCE = 2;
+        int ACTION_NOTIF_PREFERENCE = 3;
+    }
+
+    private static final String TAG = "AppDetailFeature";
+
+    private final Context mContext;
+
+    public AppHeaderController(Context context) {
+        mContext = context;
+    }
+
+    public void bindAppHeader(View appSnippet, PackageInfo packageInfo,
+            ApplicationsState.AppEntry appEntry) {
+        final String versionName = packageInfo == null ? null : packageInfo.versionName;
+        final Resources res = appSnippet.getResources();
+
+        // Set Icon
+        final ImageView iconView = (ImageView) appSnippet.findViewById(android.R.id.icon);
+        if (appEntry.icon != null) {
+            iconView.setImageDrawable(appEntry.icon.getConstantState().newDrawable(res));
+        }
+
+        // Set application name.
+        final TextView labelView = (TextView) appSnippet.findViewById(android.R.id.title);
+        labelView.setText(appEntry.label);
+
+        // Version number of application
+        final TextView appVersion = (TextView) appSnippet.findViewById(android.R.id.summary);
+
+        if (!TextUtils.isEmpty(versionName)) {
+            appVersion.setSelected(true);
+            appVersion.setVisibility(View.VISIBLE);
+            appVersion.setText(res.getString(R.string.version_text, String.valueOf(versionName)));
+        } else {
+            appVersion.setVisibility(View.INVISIBLE);
+        }
+    }
+
+    public void bindAppHeaderButtons(Fragment fragment, View appLinkButtons, String packageName,
+            @ActionType int leftAction, @ActionType int rightAction) {
+        ImageButton leftButton = (ImageButton) appLinkButtons.findViewById(R.id.left_button);
+        ImageButton rightButton = (ImageButton) appLinkButtons.findViewById(R.id.right_button);
+
+        bindAppDetailButton(fragment, packageName, leftButton, leftAction);
+        bindAppDetailButton(fragment, packageName, rightButton, rightAction);
+    }
+
+    private void bindAppDetailButton(Fragment fragment, String packageName,
+            ImageButton button, @ActionType int action) {
+        if (button == null) {
+            return;
+        }
+        switch (action) {
+            case ActionType.ACTION_APP_INFO: {
+                if (packageName == null || packageName.equals(Utils.OS_PKG)) {
+                    button.setVisibility(View.GONE);
+                } else {
+                    // TODO
+                    button.setImageResource(com.android.settings.R.drawable.ic_info);
+                    button.setVisibility(View.VISIBLE);
+                }
+                return;
+            }
+            case ActionType.ACTION_STORE_DEEP_LINK: {
+                final Intent intent = new Intent(Intent.ACTION_SHOW_APP_INFO)
+                        .setPackage(getInstallerPackageName(mContext, packageName));
+                final Intent result = resolveIntent(intent);
+                if (result == null) {
+                    button.setVisibility(View.GONE);
+                } else {
+                    result.putExtra(Intent.EXTRA_PACKAGE_NAME, packageName);
+                    button.setImageResource(R.drawable.ic_sim_sd);
+                    button.setOnClickListener(v -> fragment.startActivity(intent));
+                    button.setVisibility(View.VISIBLE);
+                }
+                return;
+            }
+            case ActionType.ACTION_NOTIF_PREFERENCE: {
+                // TODO
+                return;
+            }
+            case ActionType.ACTION_APP_PREFERENCE: {
+                final Intent intent = resolveIntent(
+                        new Intent(Intent.ACTION_APPLICATION_PREFERENCES).setPackage(packageName));
+                if (intent == null) {
+                    button.setVisibility(View.GONE);
+                    return;
+                }
+                button.setOnClickListener(v -> fragment.startActivity(intent));
+                button.setVisibility(View.VISIBLE);
+                return;
+            }
+        }
+    }
+
+    private String getInstallerPackageName(Context context, String packageName) {
+        try {
+            return context.getPackageManager().getInstallerPackageName(packageName);
+        } catch (IllegalArgumentException e) {
+            Log.e(TAG, "Exception while retrieving the package installer of " + packageName, e);
+            return null;
+        }
+    }
+
+    private Intent resolveIntent(Intent i) {
+        ResolveInfo result = mContext.getPackageManager().resolveActivity(i, 0);
+        if (result != null) {
+            return new Intent(i.getAction())
+                    .setClassName(result.activityInfo.packageName, result.activityInfo.name);
+        }
+        return null;
+    }
+}