Android Open Source - android-simpl3r Main Activity

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License

The source code is released under:

Apache License

Java Source Code

/***
 * Copyright (c) 2012 readyState Software Ltd
 * //from  w w w  .  j  a va2  s . c  om
 * Licensed under the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License. You may obtain
 * a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 */

package com.readystatesoftware.simpl3r.example;

import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ProgressBar;
import android.widget.TextView;

public class MainActivity extends Activity {

  private static final int FILE_SELECT_CODE = 0;
  
  Button select;
  Button interrupt;
  ProgressBar progress;
  TextView status;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    
    select = (Button) findViewById(R.id.btn_select);
    interrupt = (Button) findViewById(R.id.btn_interrupt);
    progress = (ProgressBar) findViewById(R.id.progress);
    status = (TextView) findViewById(R.id.status);
    
    select.setOnClickListener(new OnClickListener() {
      @Override
      public void onClick(View v) {
        // start file chooser
        Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
        intent.setType("*/*");
        intent.addCategory(Intent.CATEGORY_OPENABLE);
        startActivityForResult(
            Intent.createChooser(intent, "Select a file to upload"),
            FILE_SELECT_CODE);
      }
    });
    
    interrupt.setOnClickListener(new OnClickListener() {
      @Override
      public void onClick(View v) {
        // interrupt any active upload
        Intent intent = new Intent(UploadService.UPLOAD_CANCELLED_ACTION);
        sendBroadcast(intent);
      }
    });
    
  }
  
  @Override
  protected void onStart() {
    super.onStart();
    IntentFilter f = new IntentFilter();
    f.addAction(UploadService.UPLOAD_STATE_CHANGED_ACTION);
    registerReceiver(uploadStateReceiver, f);
  }

  @Override
  protected void onStop() {
    unregisterReceiver(uploadStateReceiver);
    super.onStop();
  }
  
  @Override
  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    if (requestCode == FILE_SELECT_CODE) {
      if (resultCode == RESULT_OK) {  
                // get path of selected file 
                Uri uri = data.getData();
                String path = getPathFromContentUri(uri);
                Log.d("S3", "uri=" + uri.toString());
                Log.d("S3", "path=" + path);
                // initiate the upload
                Intent intent = new Intent(this, UploadService.class);
                intent.putExtra(UploadService.ARG_FILE_PATH, path);
                startService(intent);
            }
    }
    super.onActivityResult(requestCode, resultCode, data);
  }
  
  private String getPathFromContentUri(Uri uri) {
    String path = uri.getPath();
    if (uri.toString().startsWith("content://")) {
      String[] projection = { MediaStore.MediaColumns.DATA };
      ContentResolver cr = getApplicationContext().getContentResolver();
      Cursor cursor = cr.query(uri, projection, null, null, null);
      if (cursor != null) {
        try {
          if (cursor.moveToFirst()) {
            path = cursor.getString(0);
          }
        } finally {
          cursor.close();
        }
      }

    }
    return path;
  }
   
  private BroadcastReceiver uploadStateReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
          Bundle b = intent.getExtras();
          status.setText(b.getString(UploadService.MSG_EXTRA));
          int percent = b.getInt(UploadService.PERCENT_EXTRA);
          progress.setIndeterminate(percent < 0);
          progress.setProgress(percent);
        }
    };

}

Java Source Code List

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