Display app name, company and version when opening a .pbw file from a filemanager

app/src/main/AndroidManifest.xml

@@ -8,6 +8,7 @@
     <uses-permission android:name="android.permission.CALL_PHONE" />
     <uses-permission android:name="android.permission.RECEIVE_SMS" />
     <uses-permission android:name="android.permission.READ_CONTACTS" />
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
     <uses-permission android:name="com.fsck.k9.permission.READ_MESSAGES" />
 
     <application
@@ -33,11 +34,26 @@
 
         <activity
             android:name=".AppManagerActivity"
-            android:label="App Manager">
+            android:label="@string/title_activity_appmanager">
             <meta-data
                 android:name="android.support.PARENT_ACTIVITY"
                 android:value=".ControlCenter" />
         </activity>
+        <activity
+            android:name=".AppInstallerActivity"
+            android:label="@string/title_activity_appinstaller">
+            <meta-data
+                android:name="android.support.PARENT_ACTIVITY"
+                android:value=".AppManagerActivity" />
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+
+                <data android:host="*" />
+                <data android:scheme="file" />
+                <data android:pathPattern=".*\\.pbw" />
+            </intent-filter>
+        </activity>
 
         <service
             android:name=".NotificationListener"

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/AppInstallerActivity.java

@@ -0,0 +1,98 @@
+package nodomain.freeyourgadget.gadgetbridge;
+
+import android.app.Activity;
+import android.content.ContentResolver;
+import android.net.Uri;
+import android.os.Bundle;
+import android.support.v4.app.NavUtils;
+import android.view.MenuItem;
+import android.widget.TextView;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.io.ByteArrayOutputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipInputStream;
+
+
+public class AppInstallerActivity extends Activity {
+
+    private final String TAG = this.getClass().getSimpleName();
+
+    TextView debugTextView;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_appinstaller);
+        getActionBar().setDisplayHomeAsUpEnabled(true);
+
+        debugTextView = (TextView) findViewById(R.id.debugTextView);
+        debugTextView.setText("contents:\n");
+        Uri uri = getIntent().getData();
+
+        ContentResolver cr = getContentResolver();
+        InputStream fin = null;
+        try {
+            fin = cr.openInputStream(uri);
+        } catch (FileNotFoundException e) {
+            e.printStackTrace();
+            return;
+        }
+        ZipInputStream zis = new ZipInputStream(fin);
+        ZipEntry ze = null;
+        GBDeviceApp app;
+        try {
+            while ((ze = zis.getNextEntry()) != null) {
+                if (ze.getName().equals("appinfo.json")) {
+                    long bytes = ze.getSize();
+                    if (bytes > 8192) // that should be too much
+                        break;
+
+                    ByteArrayOutputStream baos = new ByteArrayOutputStream();
+                    byte[] buffer = new byte[1024];
+                    int count;
+                    while ((count = zis.read(buffer)) != -1) {
+                        baos.write(buffer, 0, count);
+                    }
+
+                    String jsonString = baos.toString();
+                    try {
+                        JSONObject json = new JSONObject(jsonString);
+                        String appName = json.getString("shortName");
+                        String appCreator = json.getString("companyName");
+                        String appVersion = json.getString("versionLabel");
+                        if (appName != null && appCreator != null && appVersion != null) {
+                            debugTextView.setText("This is just a test, you cant install anything yet \n\n" + appName + " Version " + appVersion + " by " + appCreator + "\n");
+                        }
+                    } catch (JSONException e) {
+                        e.printStackTrace();
+                        break;
+                    }
+                }
+            }
+            zis.close();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case android.R.id.home:
+                NavUtils.navigateUpFromSameTask(this);
+                return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+    }
+}

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/ControlCenter.java

@@ -61,8 +61,7 @@ public class ControlCenter extends Activity {
                             mGBDeviceAdapter.notifyDataSetChanged();
                             if (state == GBDevice.State.CONNECTED) {
                                 hintTextView.setText("tap connected device for App Mananger");
-                            }
-                            else if (state == GBDevice.State.NOT_CONNECTED ) {
+                            } else if (state == GBDevice.State.NOT_CONNECTED) {
                                 hintTextView.setText("tap a device to connect");
                             }
                             break;
@@ -77,7 +76,7 @@ public class ControlCenter extends Activity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_controlcenter);
-        hintTextView = (TextView)  findViewById(R.id.hintTextView);
+        hintTextView = (TextView) findViewById(R.id.hintTextView);
         deviceListView = (ListView) findViewById(R.id.deviceListView);
         mGBDeviceAdapter = new GBDeviceAdapter(this, deviceList);
         deviceListView.setAdapter(this.mGBDeviceAdapter);

app/src/main/res/layout/activity_appinstaller.xml

@@ -0,0 +1,16 @@
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingBottom="@dimen/activity_vertical_margin"
+    android:paddingLeft="@dimen/activity_horizontal_margin"
+    android:paddingRight="@dimen/activity_horizontal_margin"
+    android:paddingTop="@dimen/activity_vertical_margin"
+    tools:context="nodomain.freeyourgadget.gadgetbridge.AppInstallerActivity">
+
+    <TextView
+        android:id="@+id/debugTextView"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+</RelativeLayout>

app/src/main/res/values/strings.xml

@@ -14,6 +14,9 @@
     <string name="title_activity_appmanager">App Manager</string>
     <string name="appmananger_app_delete">Delete</string>
 
+    <!-- Strings related to AppInstaller -->
+    <string name="title_activity_appinstaller">App Installer</string>
+
     <!-- Strings related to Settings -->
     <string name="title_activity_settings">Settings</string>
     <string name="pref_header_general">General Settings</string>