请帮助我，我正在尝试制作电影信息应用程序，从热门电影的节目海报开始，它在模拟器中工作但不能在手机中工作并显示“不幸的应用已经停止”，经过很长一段时间我发现了一些logcat中的错误，我不明白。那么如何解决它以及我实施错误的地方。 Logcat错误
03-03 23:43:47.764 8548-8548/? E/memtrack: Couldn't load memtrack module (No such file or directory)
03-03 23:43:47.764 8548-8548/? E/android.os.Debug: failed to load memtrack module: -2
03-03 23:43:49.460 8557-8557/? E/memtrack: Couldn't load memtrack module (No such file or directory)
03-03 23:43:49.461 8557-8557/? E/android.os.Debug: failed to load memtrack module: -2
03-03 23:43:49.471 8561-8561/? E/memtrack: Couldn't load memtrack module (No such file or directory)
03-03 23:43:49.471 8561-8561/? E/android.os.Debug: failed to load memtrack module: -2
03-03 23:43:49.563 941-941/? E/EGL_emulation: tid 941: eglCreateSyncKHR(1294): error 0x3004 (EGL_BAD_ATTRIBUTE)
03-03 23:43:50.279 8402-8415/? E/Surface: getSlotFromBufferLocked: unknown buffer: 0xab7d3ee0
03-03 23:43:50.610 941-1031/? E/SurfaceFlinger: ro.sf.lcd_density must be defined as a build property
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
getFragmentManager()
.beginTransaction()
.add(R.id.fragment_container, new ForecastFragment(), ForecastFragment.class.getSimpleName())
.commit();
}
public class ForecastFragment extends Fragment {
//Constructor
public ForecastFragment() {
}
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
String Popular_query = "http://api.themoviedb.org/3/discover/movie?sort_by=popularity.desc&api_key=XXXXXXXXXXXXXXXX";
new ForecastTask().execute(Popular_query);
return super.onCreateView(inflater, container, savedInstanceState);
}
//GetJSONData online-----------------------------
public class ForecastTask extends AsyncTask<String, String, List<MovieModel>> {
private final String LOG_TAG= ForecastTask.class.getSimpleName();
@Override
protected List<MovieModel> doInBackground(String... params) {
if (params.length==0){
return null;
}
HttpURLConnection connection=null;
BufferedReader reader=null;
try {
URL url=new URL(params[0]);
connection=(HttpURLConnection)url.openConnection();
connection.setRequestMethod("GET");
connection.connect();
InputStream inputStream=connection.getInputStream();
if (inputStream==null){
return null;
}
//Create String Buffer object
StringBuffer buffer=new StringBuffer();
reader=new BufferedReader(new InputStreamReader(inputStream));
String line;
while((line=reader.readLine()) !=null){
buffer.append(line);
}
JSONObject jsonObject=new JSONObject(buffer.toString());
JSONArray jsonArray= jsonObject.getJSONArray("results");
//create Array list form moviemodel class
List<MovieModel> movieModelList=new ArrayList<>();
for(int i= 0; i<jsonArray.length();i++){
JSONObject finalObject=jsonArray.getJSONObject(i);
MovieModel movieModel=new MovieModel();
movieModel.setId(finalObject.getInt("id"));
movieModel.setPoster_path(finalObject.getString("poster_path"));
movieModel.setTitle(finalObject.getString("title"));
movieModel.setRelease_date(finalObject.getString("release_date"));
movieModel.setVote_average((float) finalObject.getDouble("vote_average"));
movieModel.setOverview(finalObject.getString("overview"));
movieModel.setAdult(finalObject.getBoolean("adult"));
movieModel.setBackdrop_path(finalObject.getString("backdrop_path"));
// adding object into list
movieModelList.add(movieModel);
}
return movieModelList;
} catch (JSONException | IOException e) {
e.printStackTrace();
} finally {
if (connection!=null){
connection.disconnect();
}
try {
if(reader!=null){
reader.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
return null;
}
@Override
protected void onPostExecute(List<MovieModel> result) {
super.onPostExecute(result);
if(result!=null){
//calling MovieAdapter class by object with passing 3 parameters
MovieAdapter movieAdapter=new MovieAdapter(getContext()
, R.layout.image_list,
result);
GridView gridView=(GridView)getActivity().findViewById(R.id.gridview);
gridView.setAdapter(movieAdapter);
}
}
}
}
public class MovieAdapter extends ArrayAdapter {
private List<MovieModel> movieList;
private int resource;
private LayoutInflater inflater;
public MovieAdapter(Context context, int resource, List<MovieModel> objects) {
super(context, resource, objects);
movieList=objects;
this.resource=resource;
inflater=(LayoutInflater)getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (convertView==null) {
convertView = inflater.inflate(R.layout.image_list, parent,false);
}
String data= movieList.get(position)
.getPoster_path();
ImageView imageView = (ImageView)convertView.findViewById(R.id.imageview);
Picasso.with(convertView.getContext())
.load("http://image.tmdb.org/t/p/w185/"+data)
.resize(550, 700)
.into(imageView);
return convertView;
}
}
public class MovieModel {
private int id;
private String poster_path;
private String title;
private float vote_average;
private String overview;
private String release_date;
private String backdrop_path;
private Boolean adult;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getPoster_path() {
return poster_path;
}
public void setPoster_path(String poster_path) {
this.poster_path = poster_path;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public float getVote_average() {
return vote_average;
}
public void setVote_average(float vote_average) {
this.vote_average = vote_average;
}
public String getOverview() {
return overview;
}
public void setOverview(String overview) {
this.overview = overview;
}
public String getRelease_date() {
return release_date;
}
public void setRelease_date(String release_date) {
this.release_date = release_date;
}
public String getBackdrop_path() {
return backdrop_path;
}
public void setBackdrop_path(String backdrop_path) {
this.backdrop_path = backdrop_path;
}
public Boolean getAdult() {
return adult;
}
public void setAdult(Boolean adult) {
this.adult = adult;
}
}
XML布局
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:id="@+id/fragment_container"
app:layout_behavior="@string/appbar_scrolling_view_behavior"
tools:context="com.santossingh.popularmoviesapp.MainActivity"
tools:showIn="@layout/activity_main">
<GridView
android:id="@+id/gridview"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:numColumns="auto_fit"
>
</GridView>
</FrameLayout>
<?xml version="1.0" encoding="utf-8"?>
<ImageView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/imageview"
>
</ImageView>