OutOfMemoryError when setting ImageView

Question

I am trying to add a few Linearlayouts which every one contains a TextView and an ImageView at runtime.

Everything works but the application crashed when trying to setImageResource. (OutOfMemoryError)

Heres my Activity (relevant part):

my_icon is the name of the drawable in res folder (the name is different in every loop (name comes from xml).

// looping through all item nodes <item>
                    for (int i = 0; i < nl.getLength(); i++) {
                        Element e = (Element) nl.item(i);

                        String my_icon = parser.getValue(e, "my_icon"); // my_icon child value
                        int my_count = Integer.parseInt(parser.getValue(e, "my_count")); // my_count child value
                        String my_text = parser.getValue(e, "my_text"); // my_text child value

                        //Create Child-Views
                        LinearLayout tempLinearLayout = new LinearLayout(AnleitungActivity.this);
                        linearLayout.addView(tempLinearLayout);
                            tempLinearLayout.setOrientation(LinearLayout.HORIZONTAL);
                            ViewGroup.LayoutParams params = tempLinearLayout.getLayoutParams();
                            params.width = ViewGroup.LayoutParams.MATCH_PARENT;
                            params.height = 240;
                            tempLinearLayout.setBackgroundColor(ContextCompat.getColor(AnleitungActivity.this, R.color.anleitung_kachel_hintergrundfarbe));

                            ViewGroup.MarginLayoutParams marginParams = (ViewGroup.MarginLayoutParams) tempLinearLayout.getLayoutParams();
                            marginParams.setMargins(0,5,0,0); //für die Margin-Werte brauchen wir extra MarginLayoutParams...
                            tempLinearLayout.setLayoutParams(params); //layoutParams setzen
                            tempLinearLayout.setLayoutParams(marginParams); //MarginLayoutParams setzen

                        TextView tv = new TextView(AnleitungActivity.this);
                        tempLinearLayout.addView(tv);
                            LinearLayout.LayoutParams tvParams  = new LinearLayout.LayoutParams(70, ViewGroup.LayoutParams.MATCH_PARENT,1f);
                            tv.setLayoutParams(tvParams);
                            tv.setText(transformText(my_text));
                            tv.setTextSize(17);
                            tv.setPadding(5,0,0,0);
                            tv.setTextColor(ContextCompat.getColor(AnleitungActivity.this, R.color.anleitung_text_farbe));

                        ImageView imageView = new ImageView(AnleitungActivity.this);
                        tempLinearLayout.addView(imageView);
                            imageView.getLayoutParams().height = dp2px(getResources(), 60);
                            imageView.getLayoutParams().width = dp2px(getResources(), 60);
                            imageView.setImageResource(getDrawableRessorceIdByName(AnleitungActivity.this, removeFileExtensionFromString(my_icon)));



                    }

help method

    public String removeFileExtensionFromString(String str){
    return str.substring(0, str.indexOf("."));
}

you can find this question here : stackoverflow.com/questions/33279223/… — an_droid_dev
– an_droid_dev, Commented May 11, 2017 at 14:46
I am not sure about this method "getDrawableRessorceIdByName", you might to use this method instead "Resources.getIdentifier" or probably you already use it. — vsatkh
– vsatkh, Commented May 11, 2017 at 14:56

Ranjan · Accepted Answer · 2017-05-11 15:09:20Z

0

There are two ways to solve this problem.

1.Try to reduce the size of image [ HIGHLY RECOMMENDED]

You can visit tinyJPG.com to reduce the size and also maintain the quality of image.
Make sure you didn't use very high resolution image as they are not useful.

2.Use largeHeap [NOT RECOMMENDED]

Add largeHeap="true" in your Manifest.
This may reduce the performance of app a little bit.

answered May 11, 2017 at 15:09

Ranjan

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