feat: add sharing image to the Android demo app

Signed-off-by: D4ryl00 <d4ryl00@gmail.com>
ipfs-shipyard · Dec 15, 2021 · 1214be0 · 1214be0
1 parent 692ec85
commit 1214be0
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Showing 15 changed files with 512 additions and 71 deletions.
diff --git a/android/.idea/runConfigurations.xml b/android/.idea/runConfigurations.xml
diff --git a/android/app/build.gradle b/android/app/build.gradle
@@ -37,6 +37,8 @@ android {
 
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
+	implementation 'com.google.zxing:core:3.4.1'
+	implementation 'com.journeyapps:zxing-android-embedded:4.2.0'
     implementation 'androidx.appcompat:appcompat:1.3.0'
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
     testImplementation 'junit:junit:4.12'

diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
@@ -2,13 +2,19 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="ipfs.gomobile.example">
 
+    <uses-permission android:name="android.permission.BLUETOOTH" />
+    <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
+    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
+    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
+
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
-        android:theme="@style/AppTheme">
+        android:theme="@style/AppTheme"
+        android:hardwareAccelerated="true">
         <activity
             android:name=".MainActivity"
             android:label="Gomobile IPFS Example"
@@ -24,6 +30,10 @@
             android:name=".DisplayImageActivity"
             android:parentActivityName=".MainActivity" >
         </activity>
+        <activity
+            android:name=".ShowQRCode"
+            android:parentActivityName=".MainActivity" >
+        </activity>
     </application>
 
 </manifest>
diff --git a/android/app/src/main/java/ipfs/gomobile/example/DisplayImageActivity.java b/android/app/src/main/java/ipfs/gomobile/example/DisplayImageActivity.java
@@ -12,6 +12,8 @@
 public class DisplayImageActivity extends AppCompatActivity {
     private static final String TAG = "DisplayImageActivity";
 
+    public static byte[] fetchedData;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -27,8 +29,7 @@ protected void onCreate(Bundle savedInstanceState) {
         }
 
         try {
-            byte[] data = intent.getExtras().getByteArray("ImageData");
-            Bitmap bitmap = BitmapFactory.decodeByteArray(data, 0, data.length);
+            Bitmap bitmap = BitmapFactory.decodeByteArray(fetchedData, 0, fetchedData.length);
 
             ImageView imageView = findViewById(R.id.imageView);
             imageView.setImageBitmap(bitmap);

diff --git a/android/app/src/main/java/ipfs/gomobile/example/FetchFile.java b/android/app/src/main/java/ipfs/gomobile/example/FetchFile.java
@@ -0,0 +1,76 @@
+package ipfs.gomobile.example;
+
+import android.content.Intent;
+import android.os.AsyncTask;
+import android.util.Log;
+
+import org.json.JSONObject;
+
+import java.lang.ref.WeakReference;
+import java.util.Random;
+
+import ipfs.gomobile.android.IPFS;
+
+final class FetchFile extends AsyncTask<Void, Void, String> {
+    private static final String TAG = "FetchIPFSFile";
+
+    private final WeakReference<MainActivity> activityRef;
+    private boolean backgroundError;
+    private byte[] fetchedData;
+    private String cid;
+
+    FetchFile(MainActivity activity, String cid) {
+        activityRef = new WeakReference<>(activity);
+        this.cid = cid;
+    }
+
+    @Override
+    protected void onPreExecute() {
+        MainActivity activity = activityRef.get();
+        if (activity == null || activity.isFinishing()) return;
+
+        activity.displayStatusProgress(activity.getString(R.string.titleImageFetching));
+    }
+
+    @Override
+    protected String doInBackground(Void... v) {
+        MainActivity activity = activityRef.get();
+        if (activity == null || activity.isFinishing()) {
+            cancel(true);
+            return null;
+        }
+
+        IPFS ipfs = activity.getIpfs();
+
+        try {
+            fetchedData = ipfs.newRequest("cat")
+                .withArgument(cid)
+                .send();
+
+//            Log.d(TAG, "fetched file data=" + MainActivity.bytesToHex(fetchedData));
+            return activity.getString(R.string.titleFetchedImage);
+        } catch (Exception err) {
+            backgroundError = true;
+            return MainActivity.exceptionToString(err);
+        }
+    }
+
+    protected void onPostExecute(String result) {
+        MainActivity activity = activityRef.get();
+        if (activity == null || activity.isFinishing()) return;
+
+        if (backgroundError) {
+            activity.displayStatusError(activity.getString(R.string.titleImageFetchingErr), result);
+            Log.e(TAG, "Ipfs image fetch error: " + result);
+        } else {
+            activity.displayStatusSuccess();
+
+            // Put directly data through this way because of size limit with Intend
+            DisplayImageActivity.fetchedData = fetchedData;
+
+            Intent intent = new Intent(activity, DisplayImageActivity.class);
+            intent.putExtra("Title", result);
+            activity.startActivity(intent);
+        }
+    }
+}
diff --git a/android/app/src/main/java/ipfs/gomobile/example/FetchRandomXKCD.java b/android/app/src/main/java/ipfs/gomobile/example/FetchRandomXKCD.java
@@ -33,7 +33,7 @@ protected void onPreExecute() {
         MainActivity activity = activityRef.get();
         if (activity == null || activity.isFinishing()) return;
 
-        activity.displayFetchProgress();
+        activity.displayStatusProgress(activity.getString(R.string.titleXKCDFetching));
     }
 
     @Override
@@ -86,13 +86,15 @@ protected void onPostExecute(String result) {
         if (activity == null || activity.isFinishing()) return;
 
         if (backgroundError) {
-            activity.displayFetchError(result);
+            activity.displayStatusError(activity.getString(R.string.titleXKCDFetchingErr), result);
             Log.e(TAG, "XKCD fetch error: " + result);
         } else {
-            activity.displayFetchSuccess();
+            activity.displayStatusSuccess();
+
+            // Put directly data through this way because of size limit with Intend
+            DisplayImageActivity.fetchedData = fetchedData;
 
             Intent intent = new Intent(activity, DisplayImageActivity.class);
-            intent.putExtra("ImageData", fetchedData);
             intent.putExtra("Title", result);
             activity.startActivity(intent);
         }