Changeset 2ff9cec in dispositivos_moviles for TibisayMovil/src/ve/gob/cenditel/tibisaymovil/PreferencesActivity.java

Timestamp:

Oct 30, 2013, 5:37:46 PM (11 years ago)

Author:

Jose Ruiz <joseruiz@…>

Branches:

master

Children:

16fd839

Parents:

931bb65

Message:

actalizacion classpath

File:

• TibisayMovil/src/ve/gob/cenditel/tibisaymovil/PreferencesActivity.java (modified) (1 diff)

TibisayMovil/src/ve/gob/cenditel/tibisaymovil/PreferencesActivity.java

@@ -1 +1 @@
 package ve.gob.cenditel.tibisaymovil;
+import java.io.File;
+
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.database.Cursor;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.net.Uri;
 import android.os.Bundle;
+import android.preference.ListPreference;
+import android.preference.Preference;
+import android.preference.Preference.OnPreferenceChangeListener;
+import android.preference.Preference.OnPreferenceClickListener;
 import android.preference.PreferenceActivity;
+import android.provider.MediaStore;
+import android.view.Window;
+import android.widget.Toast;
 
-public class PreferencesActivity extends PreferenceActivity {
+public class PreferencesActivity extends PreferenceActivity implements OnPreferenceClickListener,OnPreferenceChangeListener{
+        
+        static final int PICK_IMAGE = 33;
+        public static final String imageKey = "image";
+        public static final String positionKey = "position";
+        private static final int MAXWIDTH = 400;
+        private static final int MAXHEIGHT = 400;
+        private static final long SIZELIMIT = 1024 * 1024;
+        
+        private SharedPreferences options;
+        private Preference imagePreference;
+        
     @Override
     public void onCreate(Bundle savedInstanceState) {
+                //Estilando la barra de titulo
+                final boolean customTitleSupported = requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
+
         super.onCreate(savedInstanceState);
- 
+
         addPreferencesFromResource(R.xml.preferences);
+        
+        this.options = this.getPreferenceManager().getSharedPreferences();
+        
+        
+
+        
+        this.imagePreference = (Preference) findPreference(PreferencesActivity.imageKey);
+        this.imagePreference.setOnPreferenceClickListener(this);
+        this.imagePreference.setOnPreferenceChangeListener(this);
+        
+        this.loadSummary();
+        
+
+        //Estilando Barra de titulo
+                if(customTitleSupported)
+                        getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.title_bar);
+        
     }
+    
+        private void loadSummary() {
+            String path = options.getString(PreferencesActivity.imageKey, "");
+        if (!path.equals("")){
+                this.imagePreference.setSummary(path);
+        }
+        
+        }
+
+    
+    
+    @Override
+        public boolean onPreferenceChange(Preference preference, Object newValue) {
+          String summary="";
+          
+          
+          if (summary!=null && !summary.equals("")){
+                  preference.setSummary((CharSequence) summary);
+                          
+                  }
+          return true;
+        }
+
+
+        
+        @Override
+        public boolean onPreferenceClick(Preference preference) {
+                
+                if (preference.getKey().equals(PreferencesActivity.imageKey)){
+                                Intent i = new Intent(
+                                Intent.ACTION_PICK, android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
+                                startActivityForResult(i, PreferencesActivity.PICK_IMAGE);
+                                return true;
+                }
+                return false;
+        }
+    
+        protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+             super.onActivityResult(requestCode, resultCode, data);
+             
+             
+             if (requestCode == PreferencesActivity.PICK_IMAGE && resultCode == RESULT_OK){
+                 
+                 Uri selectedImage = data.getData();
+                 String[] filePathColumn = { MediaStore.Images.Media.DATA };
+         
+                 Cursor cursor = getContentResolver().query(selectedImage,filePathColumn, null, null, null);
+                 cursor.moveToFirst();
+         
+                 int columnIndex = cursor.getColumnIndex(filePathColumn[0]);
+                 String imageSelectedPath = cursor.getString(columnIndex);
+                 cursor.close();
+                 
+                 //Filter images if wrong format.
+                 boolean validImage = this.validateImage(imageSelectedPath);
+                 
+                 if (validImage==true){
+                         //Save and edit summary text in user interface.
+                        SharedPreferences.Editor editor = this.options.edit();
+                        editor.putString(PreferencesActivity.imageKey, imageSelectedPath);
+                        editor.commit();
+                        this.imagePreference.setSummary(imageSelectedPath);
+                 }
+                 
+             
+          
+             }
+
+             
+             
+             
+        }
+
+        //Check image dimensions and format.
+        private boolean validateImage(String imageSelectedPath) {
+                File f = new File(imageSelectedPath);
+                long size = f.length();
+
+                if (size <= (PreferencesActivity.SIZELIMIT)) {
+                        
+                        Bitmap chosenImage = BitmapFactory.decodeFile(imageSelectedPath);
+                        
+                        if (chosenImage !=null)
+                                return this.checkDimensions(chosenImage);
+                        else{
+                                Toast.makeText(this, this.getString(R.string.errorformat),Toast.LENGTH_SHORT).show();
+                                return false;
+                        }
+
+                } else {
+                        Toast.makeText(this, this.getString(R.string.errorsize)+" "+(PreferencesActivity.SIZELIMIT)/(1024*1024)+"MB",Toast.LENGTH_SHORT).show();
+                        return false;
+                }
+                
+                
+                
+        }
+
+
+        private boolean checkDimensions(Bitmap chosenImage) {
+
+                int width = chosenImage.getWidth();
+                int height = chosenImage.getHeight();
+
+                if (width <= PreferencesActivity.MAXWIDTH && height <= PreferencesActivity.MAXHEIGHT) {
+                        return true;
+                        
+                } else {
+
+                        Toast.makeText( this,this.getString(R.string.errordimension) +" "+ PreferencesActivity.MAXWIDTH
+                                                        + "x" + PreferencesActivity.MAXHEIGHT,Toast.LENGTH_SHORT).show();
+                        return false;
+                }               
+        }
+
+
+        
+
 }