Autor Tema: aplicacion listview con imagen no se inicia ni lanza error (Leído 4790 veces)

$francisco · « **en:** Abril 12, 2017, 10:19:01 pm »

muy buenas ire al grano.

MainActivity.java

Código: Java

package com.example.franciskiko.applicationlistview;
 
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.AdapterView;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.AdapterView.OnItemClickListener;
import android.view.View;
import android.widget.Toast;
 
class listenItemClick implements OnItemClickListener {
 
  @Override
  public void onItemClick(AdapterView<?> parent, View view,int position, long id){
    ListAdapter lv = (ListAdapter) parent.getAdapter();
    String text = (String) lv.getItem(position);
    Toast.makeText(view.getContext(),text,Toast.LENGTH_SHORT).show();
  }
 
}
 
public class MainActivity extends AppCompatActivity {
 
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.simplelayout);
 
    Weather weather[] = new Weather[]{
      new Weather(R.drawable.soleado,"soleado"),
      new Weather(R.drawable.wx_66,"nuboso")
    };
 
    WeatherAdapter adapter = new WeatherAdapter(getApplicationContext(),R.layout.listview_item_row,weather);
    View header = (View)getLayoutInflater().inflate(R.layout.listview_header,null);
 
    ListView listview = (ListView) findViewById(R.id.listview_1);
    listview.setOnItemClickListener(new listenItemClick());
    listview.addHeaderView(header);
    listview.setAdapter(adapter);
  }

Weather.java

Código: Java

package com.example.franciskiko.applicationlistview;
 
/**
 * Created by franciskiko on 12/04/2017.
 */
 
public class Weather {
  int icon;
  String title;
 
  public Weather(int icon, String title){
    this.icon = icon;
    this.title = title;
  }
 
}

WeatherAdapter.java

Código: Java

package com.example.franciskiko.applicationlistview;
 
import android.content.Context;
import android.widget.ImageView;
import android.widget.TextView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
 
 
public class WeatherAdapter extends ArrayAdapter<Weather> {
  Context context;
  int resource;
  Weather data[] = null;
  public WeatherAdapter(Context context, int resource, Weather[] data) {
    super(context, resource, data);
    this.context = context;
    this.resource = resource;
    this.data = data;
  }
 
  @Override
  public View getView(int position, View convertView, ViewGroup parent){
    View row = convertView;
    WeatherHolder holder = null;
    if(row == null){
      LayoutInflater inflater = LayoutInflater.from(context);
      row = inflater.inflate(resource,parent);
      holder = new WeatherHolder();
      holder.img = (ImageView) row.findViewById(R.id.imageView);
      holder.title = (TextView) row.findViewById(R.id.textView2);
      row.setTag(holder);
    }
    else{
      holder = (WeatherHolder) convertView.getTag();
    }
 
    Weather weather = data[position];
    holder.img.setImageResource(weather.icon);
    holder.title.setText(weather.title);
 
    return row;
  }
 
  static class WeatherHolder{
    ImageView img;
    TextView title;
  }
}

simplelayout.xml

Código: XML

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="fill_parent"
    android:layout_height="fill_parent"
  >
  <ListView
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:id="@+id/listview_1"/>
</LinearLayout>

listview_item_row.xml

Código: XML

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  xmlns:app="http://schemas.android.com/apk/res-auto"
  android:orientation="vertical" android:layout_width="match_parent"
    android:layout_height="match_parent">
 
  <ImageView
    android:id="@+id/imageView"
    android:layout_width="wrap_content"
    android:layout_height="match_parent"
     />
 
  <TextView
    android:id="@+id/textView2"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
     />
</LinearLayout>

listview_header.xml

Código: XML

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="horizontal" android:layout_width="match_parent"
    android:layout_height="match_parent">
 
  <TextView
    android:id="@+id/textView"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:text="TextView" />
</LinearLayout>

log de android studio

04-12 20:05:53.509 5075-5075/com.ionicframework.ionicproject641096 W/IInputConnectionWrapper: finishComposingText on inactive InputConnection
04-12 20:07:28.010 2281-2290/com.google.android.gms W/SQLiteConnectionPool: A SQLiteConnection object for database '/data/user/0/com.google.android.gms/databases/metrics.db' was leaked! Please fix your application to end transactions in progress properly and to close the database when it is no longer needed.
04-12 20:07:28.048 2281-2290/com.google.android.gms W/SQLiteConnectionPool: A SQLiteConnection object for database '/data/user/0/com.google.android.gms/databases/help_responses.db.18' was leaked! Please fix your application to end transactions in progress properly and to close the database when it is no longer needed.
04-12 20:07:28.053 2281-2290/com.google.android.gms W/SQLiteConnectionPool: A SQLiteConnection object for database '/data/user/0/com.google.android.gms/databases/auto_complete_suggestions.db' was leaked! Please fix your application to end transactions in progress properly and to close the database when it is no longer needed.
04-12 20:08:35.800 2281-2290/com.google.android.gms W/SQLiteConnectionPool: A SQLiteConnection object for database '/data/user/0/com.google.android.gms/databases/metrics.db' was leaked! Please fix your application to end transactions in progress properly and to close the database when it is no longer needed.
04-12 20:08:35.831 2281-2290/com.google.android.gms W/SQLiteConnectionPool: A SQLiteConnection object for database '/data/user/0/com.google.android.gms/databases/help_responses.db.18' was leaked! Please fix your application to end transactions in progress properly and to close the database when it is no longer needed.
04-12 20:08:35.849 2281-2290/com.google.android.gms W/SQLiteConnectionPool: A SQLiteConnection object for database '/data/user/0/com.google.android.gms/databases/auto_complete_suggestions.db' was leaked! Please fix your application to end transactions in progress properly and to close the database when it is no longer needed.
04-12 20:10:09.741 2281-2290/com.google.android.gms W/SQLiteConnectionPool: A SQLiteConnection object for database '/data/user/0/com.google.android.gms/databases/metrics.db' was leaked! Please fix your application to end transactions in progress properly and to close the database when it is no longer needed.
04-12 20:10:10.036 2281-2290/com.google.android.gms W/SQLiteConnectionPool: A SQLiteConnection object for database '/data/user/0/com.google.android.gms/databases/help_responses.db.18' was leaked! Please fix your application to end transactions in progress properly and to close the database when it is no longer needed.
04-12 20:10:10.053 2281-2290/com.google.android.gms W/SQLiteConnectionPool: A SQLiteConnection object for database '/data/user/0/com.google.android.gms/databases/auto_complete_suggestions.db' was leaked! Please fix your application to end transactions in progress properly and to close the database when it is no longer needed.
04-12 20:10:51.207 2281-2290/com.google.android.gms W/SQLiteConnectionPool: A SQLiteConnection object for database '/data/user/0/com.google.android.gms/databases/metrics.db' was leaked! Please fix your application to end transactions in progress properly and to close the database when it is no longer needed.
04-12 20:10:51.514 2281-2290/com.google.android.gms W/SQLiteConnectionPool: A SQLiteConnection object for database '/data/user/0/com.google.android.gms/databases/help_responses.db.18' was leaked! Please fix your application to end transactions in progress properly and to close the database when it is no longer needed.
04-12 20:10:51.527 2281-2290/com.google.android.gms W/SQLiteConnectionPool: A SQLiteConnection object for database '/data/user/0/com.google.android.gms/databases/auto_complete_suggestions.db' was leaked! Please fix your application to end transactions in progress properly and to close the database when it is no longer needed

Las imagenes estan en:

./res/drawable/soleado.png
./res/drawable/wx_66.png

Ni idea de porque no funciona pero no logro solucionar el problema.

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Autor Tema: aplicacion listview con imagen no se inicia ni lanza error (Leído 4790 veces)

$francisco

aplicacion listview con imagen no se inicia ni lanza error