{"id":2346,"date":"2022-08-30T15:24:06","date_gmt":"2022-08-30T15:24:06","guid":{"rendered":"https:\/\/unknownerror.org\/index.php\/2014\/01\/05\/problem-about-android-textview-collection-of-common-programming-errors\/"},"modified":"2022-08-30T15:24:06","modified_gmt":"2022-08-30T15:24:06","slug":"problem-about-android-textview-collection-of-common-programming-errors","status":"publish","type":"post","link":"https:\/\/unknownerror.org\/index.php\/2022\/08\/30\/problem-about-android-textview-collection-of-common-programming-errors\/","title":{"rendered":"problem about android-textview-Collection of common programming errors"},"content":{"rendered":"<ul>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/dd8f23e11d5c5e8e535ffaa544385e7a?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nIdolon<br \/>\nandroid android-textview<br \/>\nI want to display a block character &#8220;ALT-219&#8221; in a TextView. It isn&#8217;t easy to search Google or stackoverflow for this as block means so many other things but I tried. I experimented with saving the file as a UTF-8 and my entire project crashed in some unexplainable way, I went to backups, that crashed in even worse ways. I finally backed out of what I did and rebuilt so I am back to scratch but I am not inclined to experiment without asking for help.What I am really trying to do is create a ps<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/cd8ae5b8144e059faa39c021fa6694b1?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nandrew<br \/>\nandroid android-layout android-textview<br \/>\nBasically in my app I have a &#8216;graph&#8217; (from holographlibrary). That is irrelevant though, we&#8217;ll just call it a textview.So in my layout-small files I do not have set textview that I have in my layout-normal files. So if I run the app on a small screen, when the code tries to find it, it can&#8217;t and the app crashes. Is there some easy way to only call findviewbyid if it is the the layout file, and then stop the other code involving it from running.<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/93c64446ca3e32f7cb774696489043d2?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nValdemar<br \/>\nandroid android-textview<br \/>\nI&#8217;m having a hard time reseting the maxLines attribute of a TextView programmatically.Just tried setting to 0 and it doesn&#8217;t work. -1 crashes the application. I could use a simpler workaround and set the maxLines to 5000 but I don&#8217;t want to do that.Any ideas how to do that?UPDATEDWell, I&#8217;ve found one problem.. I&#8217;ve set the Ellipsize as well&#8230; I&#8217;m just going to use the following workaround:TextView questionDetail = (TextView) mQuestionDetailHeader.findViewById(R.id.desc);questionDetail.setText(m<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/acf0cb6977a68d29cb574da513f36bfd?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nuser1838667<br \/>\njava android expandablelistview android-textview<br \/>\nI&#8217;ve got a ExpandableListView which when I click to expand the child it throws a &#8220;Id not found&#8221; error when I try and update the Text on a TextView in the child Layout. If I comment this section out it works fine. I&#8217;ve based my project off examples I&#8217;ve found round the place. Can anyone spot where I&#8217;ve gone wrong?Here&#8217;s the child layout:&lt;?xml version=&#8221;1.0&#8243; encoding=&#8221;utf-8&#8243;?&gt; &lt;LinearLayout xmlns:android=&#8221;http:\/\/schemas.android.com\/apk\/res\/android&#8221;android:layout_width=&#8221;match_parent&#8221;android<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/i.stack.imgur.com\/IIAjr.jpg?s=32&amp;g=1\" \/><br \/>\nCRUSADER<br \/>\nandroid android-edittext android-textview textwatcher<br \/>\nI cant set text in an android textview item using an edittext:public class MainActivity extends Activity {TextView textView1;private Button button1;private EditText editText1;private Editable e;private String ee;private SharedPreferences sh1;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);textView1 = (TextView) findViewById(R.id.textView1);button1 = (Button) findViewById(R.id.button1);button1.setOnClickListe<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/d3b0e77fb3ed36907532cd12d34efbfc?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nDravic<br \/>\njava android android-layout dynamic android-textview<br \/>\nIm trying to develop a text adventure for android. Already found a subtle way to change &#8216;pages&#8217; without creating new Activity.Now I was trying to include permanent int values on each of my layouts that would get updated immediately when changed.I.e. gold\/health values. Depending on the choice of player ingame, it would: &#8211; change the layout to the corresponding page &#8211; change int value of Gold +10, health -1I developed this code in the mainactivity class:package com.example.textadventure;import an<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/i.stack.imgur.com\/IiMwT.jpg?s=32&amp;g=1\" \/><br \/>\nTarsem<br \/>\njava android android-textview<br \/>\nI want to append new line in the text view of my app:I used this codetextView.setText(&#8220;part 1&#8243;); TextView nline = null; nline.setText(&#8221; \\n&#8221;); textView.setText(&#8220;part 2&#8221;);My app is crashing as I go to the page which implements this.<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/165a1e53fc013e63ed60d395bbf6ac6c?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nRob<br \/>\nandroid web android-textview<br \/>\nMy App crashes when I run this code:protected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_biografie);setTitle(&#8220;Biografie&#8221;);try {\/\/ Create a URL for the desired pageURL url = new URL(&#8220;http:\/\/xxx.nl\/api\/biografie.php?dataid=998&#8221;);\/\/ Read all the text returned by the serverBufferedReader in = new BufferedReader(new InputStreamReader(url.openStream()));String str;while ((str = in.readLine()) != null) {\/\/ str is one line of text; readL<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/e8bb85befb6901591dac2187a3b7be90?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nArslan<br \/>\nandroid android-layout button android-textview<br \/>\nI&#8217;m new to Android development and I have this strange problem.. Depending on the order of my layout the app works perfectly or just crashes before it&#8217;s opened.My java code:package com.exmple.helloandroid;import android.app.Activity; import android.os.Bundle; import android.widget.Button; import android.widget.Toast; import android.view.View;public class HelloAndroid extends Activity{ \/** Called when the activity is first created. *\/@Override public void onCreate(Bundle savedInstanceState) {supe<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/i.stack.imgur.com\/0vhup.jpg?s=32&amp;g=1\" \/><br \/>\ncodeMagic<br \/>\nandroid android-edittext android-textview android-spinner<br \/>\nI&#8217;m creating an Android app that takes in basic user input (from keyboard) via an EditText widget. I&#8217;m getting some stubborn behavior from a line I call within the OnItemSelected function for my Activity&#8217;s Spinners. I am gathering the double value from my EditText (doing appropriate type conversions), and the app crashes. My logcat&#8217;s report that the error is that &#8220;&#8221; is not an appropriate double value, which means that this function is being called while the EditText is still empty (I&#8217;m guessing<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/c46eb97171a0e38273b951d9d0e4edf5?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nuser2421903<br \/>\nandroid android-layout android-textview typeface<br \/>\nWhen I call addView about 80 times ,app will close automatically, how can i fix it?MainActivityprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);LinearLayout l = new LinearLayout(this);for (int i = 0; i &lt; 80; i++)l.addView(new MyTextView(this));setContentView(l);}MyTextViewpublic class MyTextView extends TextView {public MyTextView(Context context) {super(context);\/\/ TODO Auto-generated constructor stubsetTypeface(Typeface.createFromAsset(context.getAssets<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/445a44fabea1ff44487a1a5f7340fb1a?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nlord_sneed<br \/>\nandroid android-textview<br \/>\nI am trying to get a TextView to display a string depending on a condition. However, when I tried to implement it, it causes the app to stop working. Here is the relevant code\/xml:\/\/ class declaration, etc. TextView textString;\/\/ other code@Override protected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_name);&#8230;textString = (TextView) findViewById(R.id.textId);&#8230;@Overridepublic void onClick(View v) {switch (v.getId()) {case R.id.<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/cd858680a4bc933d6f0b4dc45c1900f9?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nAbizern<br \/>\nandroid crash stop android-textview settext<br \/>\nAfter added checkAnsText.setText the application stopped unexpectedly. I cant find where the error is. I hope someone can help meHere is the codepublic class QuestActivity extends Activity implements OnClickListener{private Quest currentQ; private SetGame currentGame;@Override public void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.questactivitylayout);currentGame = ((TheApplication)getApplication()).getCurrentGame();currentQ = currentGame.getN<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/i.stack.imgur.com\/LfmPD.jpg?s=32&amp;g=1\" \/><br \/>\nAshwin Thomas<br \/>\nandroid android-textview<br \/>\nLayout file-listitem_discuss.xml&lt;?xml version=&#8221;1.0&#8243; encoding=&#8221;utf-8&#8243;?&gt; &lt;LinearLayout xmlns:android=&#8221;http:\/\/schemas.android.com\/apk\/res\/android&#8221; android:layout_width=&#8221;fill_parent&#8221; android:layout_height=&#8221;wrap_content&#8221; &gt;&lt;LinearLayoutandroid:id=&#8221;@+id\/wrapper&#8221;android:layout_width=&#8221;fill_parent&#8221;android:layout_height=&#8221;wrap_content&#8221;android:orientation=&#8221;vertical&#8221;&gt;&#8221;&lt;TextViewandroid:id=&#8221;@+id\/comment&#8221;android:layout_width=&#8221;wrap_content&#8221;android:layout_height=&#8221;wrap_content&#8221;android:layout_ma<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/66ea58c013df9b01da8890c43da79060?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nMarnBeast<br \/>\nandroid android-layout android-textview android-gridview<br \/>\nFirst time poster!I am new to Android development and have been following Google&#8217;s HelloView tutorials without problems&#8230; until the HelloGridView tutorial. For some reason I cannot get any images to display, only a black background. I originally followed this tutorial:http:\/\/developer.android.com\/resources\/tutorials\/views\/hello-gridview.htmlbut moved on to this nearly identical one:http:\/\/developer.android.com\/guide\/tutorials\/views\/hello-gridview.htmlin order to eliminate some added complexity<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/1007a654a79bf88e3cd4a45e31f0eb8e?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nuser2320244<br \/>\nandroid android-layout android-intent android-textview<br \/>\nI&#8217;m getting the following Null Pointer Exception. Whenever I click on the button(which i&#8217;ve an intent to launch) . i get a FC and this nullpointer exception. Could it be because of the use of that text file?Logcat04-25 20:02:40.762: I\/Adreno200-EGLSUB(29671): &lt;ConfigWindowMatch:2081&gt;: Format RGBA_8888.04-25 20:02:40.772: D\/memalloc(29671): \/dev\/pmem: Mapped buffer base:0x514e1000 size:3649536 offset:3035136 fd:5604-25 20:02:40.982: D\/memalloc(29671): \/dev\/pmem: Mapped buffer base:0x51b0800<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/i.stack.imgur.com\/v4825.png?s=32&amp;g=1\" \/><br \/>\nYasaman<br \/>\nandroid google-maps-api-3 android-textview android-button<br \/>\nI want my program runs ClosestObject function when it is created &amp; when the user clicks the button, it should run the fuction ShowMap and displays map..how ever it crashes when i combine this is my codeprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);showButton=(Button) findViewById(R.id.button1);result = (TextView) findViewById(R.id.text1);try {**\/\/here I run Closest Object so I can display the result on the text b<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/bea5259f7c1bcb7ad8ed5d9c13983c5a?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nuser2438323<br \/>\nandroid android-textview<br \/>\nWhat is the best way to show title and Image from the database? I just want to show one data row\/record at a time and click on next button to show next data row\/record. I am not able to figure out which view controls are best? I have seen tons of examples related to listview.id | title | Image1 Spring image1.blob 2 summer image2.blob 3 winter image3.bloblogcat06-07 04:33:06.213: E\/Trace(950): error opening trace file: No such file or directory (2) 06-07 04:33:08.041: D\/Insert:(950<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/2406826b78897ee8133edfbadba50f87?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nRobT<br \/>\nandroid dynamic android-fragments android-textview<br \/>\nI am trying to use fragments to build my first proper Android App. I have a main xml. which consists of two vertical fragments, the top fragments consists of just two TextViews. The first of these contains static text and the second contains a value which I will eventually be getting dynamically from SQL.If i put this is my MainActivity.java then it happily updates the value of the TextView in my first Fragment:public void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/9da1fe0ca09c408213402533ff38812c?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nhalfer<br \/>\nandroid android-textview fontsize multiline<br \/>\ni&#8217;ve looked for solutions of auto-fitting the font of the textView according to its size , and found many , but none support multi-lines and does it correctly (without truncating the text and also respect the gravity values) .has anyone else conducted a solution as such?is it also possible to set the constraint of how to find the optimal number of lines ? maybe according to max font size or max characters numbers per line?<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/09c253806e0e4e294d3837a37c39c80a?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nKorhan \u00d6zt\u00fcrk<br \/>\nandroid android-textview settext<br \/>\nI am having trouble with setting text in a text view with format and multiple values.holder.car.setText(R.string.mycar + lm.getCarName() + R.string.year + lm.getYear());this is giving me &#8221; 2143545 Camero 2143213 1977 &#8220;I have tried few other &#8220;solutions&#8221; from the webholder.car.setText(getString(R.string.mycar) + lm.getCarName() + getString(R.string.year) + lm.getYear()); &lt;&lt; not work, getString undefine&gt;&gt;I even tried String.valueOf(R.string.mycar); getResources().getText(R.String.myca<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/i.stack.imgur.com\/14YVz.jpg?s=32&amp;g=1\" \/><br \/>\nEBerry<br \/>\njava android textview android-textview clock<br \/>\nI&#8217;m including a TextClock in my app and I&#8217;ve noticed a strange bug. The last second of a minute seems to be shorter then a normal second. Is this a known issue and are there any possible work arounds? Thanks in advance.<\/li>\n<\/ul>\n<p id=\"rop\"><small>Originally posted 2014-01-05 21:58:29. <\/small><\/p>","protected":false},"excerpt":{"rendered":"<p>Idolon android android-textview I want to display a block character &#8220;ALT-219&#8221; in a TextView. It isn&#8217;t easy to search Google or stackoverflow for this as block means so many other things but I tried. I experimented with saving the file as a UTF-8 and my entire project crashed in some unexplainable way, I went to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2346","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/2346","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/comments?post=2346"}],"version-history":[{"count":0,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/2346\/revisions"}],"wp:attachment":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/media?parent=2346"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/categories?post=2346"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/tags?post=2346"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}