You’re trying to show a Dialog after you’ve exited an Activity. [EDIT] This question is one of the top search on google for android developer, therefore Adding few important points from comments, which might be more helpful for future investigator without going in depth of comment conversation. Answer 1 : You’re trying to show a … Read more
To fix the OutOfMemory error, you should do something like this: BitmapFactory.Options options = new BitmapFactory.Options(); options.inSampleSize = 8; Bitmap preview_bitmap = BitmapFactory.decodeStream(is, null, options); This inSampleSize option reduces memory consumption. Here’s a complete method. First it reads image size without decoding the content itself. Then it finds the best inSampleSize value, it should be … Read more
Here’s a correct table of percentages to hex values for opacity. E.g. for 50% white you’d use #80FFFFFF. To think in terms of transparency instead, flip the order of the percentages (more opaque = less transparent). % Hex 100% FF 95% F2 90% E6 85% D9 80% CC 75% BF 70% B3 65% A6 60% … Read more
Simple way: use online tool https://www.decompiler.com/, upload apk and get source code. Procedure for decoding .apk files, step-by-step method: Step 1: Make a new folder and copy over the .apk file that you want to decode. Now rename the extension of this .apk file to .zip (e.g. rename from filename.apk to filename.zip) and save it. … Read more
Their names should help you: android:gravity sets the gravity of the contents (i.e. its subviews) of the View it’s used on. android:layout_gravity sets the gravity of the View or Layout relative to its parent. And an example is here.
Using the Application Class Depending on what you’re doing in your initialization you could consider creating a new class that extends Application and moving your initialization code into an overridden onCreate method within that class. public class MyApplicationClass extends Application { @Override public void onCreate() { super.onCreate(); // TODO Put your application initialization code here. … Read more
They’re the same thing (in API Level 8+). Use match_parent. FILL_PARENT (renamed MATCH_PARENT in API Level 8 and higher), which means that the view wants to be as big as its parent (minus padding) … fill_parent: The view should be as big as its parent (minus padding). This constant is deprecated starting from API Level … Read more
In your current Activity, create a new Intent: String value=”Hello world”; Intent i = new Intent(CurrentActivity.this, NewActivity.class); i.putExtra(“key”,value); startActivity(i); Then in the new Activity, retrieve those values: Bundle extras = getIntent().getExtras(); if (extras != null) { String value = extras.getString(“key”); //The key argument here must match that used in the other activity } Use this … Read more
If you’re using the Gradle plugin/Android Studio, as of version 0.7.0, version code and version name are available statically in BuildConfig. Make sure you import your app’s package, and not another BuildConfig: import com.yourpackage.BuildConfig; … int versionCode = BuildConfig.VERSION_CODE; String versionName = BuildConfig.VERSION_NAME; No Context object needed! Also make sure to specify them in your … Read more
According to Network security configuration – Starting with Android 9 (API level 28), cleartext support is disabled by default. Also have a look at Android M and the war on cleartext traffic Codelabs explanation from Google Option 1 – First try hitting the URL with https:// instead of http:// Option 2 – Create file res/xml/network_security_config.xml … Read more