Share Screenshot using cache

Author: tanvidadu

app/src/main/java/fr/free/nrw/commons/Achievements.java

@@ -1,23 +1,34 @@
 package fr.free.nrw.commons;
 
+import android.content.Intent;
+import android.graphics.Bitmap;
+import android.net.Uri;
+import android.os.Environment;
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
 import android.util.DisplayMetrics;
+import android.util.Log;
 import android.view.Menu;
 import android.view.MenuInflater;
+import android.view.MenuItem;
 import android.view.View;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.RelativeLayout;
+import android.widget.Toast;
 import android.widget.Toolbar;
 
+import java.io.File;
+import java.io.FileOutputStream;
+import java.util.Random;
+
 import fr.free.nrw.commons.theme.NavigationBaseActivity;
 
 public class Achievements extends AppCompatActivity {
 
     private static final double badge_image_ratio_width = 0.5;
     private static final double badge_image_ratio_height = 0.5;
-
+    private ImageView imageView;
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -28,7 +39,7 @@ protected void onCreate(Bundle savedInstanceState) {
         int height = displayMetrics.heightPixels;
         int width = displayMetrics.widthPixels;
 
-        ImageView imageView = (ImageView)findViewById(R.id.achievement_badge);
+        imageView = (ImageView)findViewById(R.id.achievement_badge);
 
         RelativeLayout.LayoutParams params = (RelativeLayout.LayoutParams)
                 imageView.getLayoutParams();
@@ -38,11 +49,56 @@ protected void onCreate(Bundle savedInstanceState) {
         imageView.requestLayout();
 
         android.support.v7.widget.Toolbar toolbar = (android.support.v7.widget.Toolbar) findViewById(R.id.toolbar);
-        toolbar.inflateMenu(R.menu.menu_about);
+        setSupportActionBar(toolbar);
+
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        // Inflate the menu; this adds items to the action bar if it is present.
+        getMenuInflater().inflate(R.menu.menu_about, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        int id = item.getItemId();
+        if (id == R.id.share_app_icon) {
+            View rootView = getWindow().getDecorView().findViewById(android.R.id.content);
+            Bitmap screenShot = getScreenShot(rootView);
+            imageView.setImageBitmap(screenShot);
+            shareScreen(screenShot);
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+
+    public static Bitmap getScreenShot(View view) {
+        View screenView = view.getRootView();
+        screenView.setDrawingCacheEnabled(true);
+        Bitmap bitmap = Bitmap.createBitmap(screenView.getDrawingCache());
+        screenView.setDrawingCacheEnabled(false);
+        return bitmap;
+    }
 
+    void shareScreen ( Bitmap bitmap){
+        try {
+            File file = new File(this.getExternalCacheDir(),"screen.png");
+            FileOutputStream fOut = new FileOutputStream(file);
+            bitmap.compress(Bitmap.CompressFormat.PNG, 100, fOut);
+            fOut.flush();
+            fOut.close();
+            file.setReadable(true, false);
+            final Intent intent = new Intent(android.content.Intent.ACTION_SEND);
+            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+            intent.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(file));
+            intent.setType("image/png");
+            startActivity(Intent.createChooser(intent, "Share image via"));
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
     }
 
-    
 
 
 }