some intents

!!Using Intents.md

Using Intents

1. shareing
2. sms
3. select image

MainActivity.java

package com.example.intentsexamples;

import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.provider.MediaStore;
import android.provider.OpenableColumns;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.ImageView;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

public class MainActivity extends AppCompatActivity {

    private final static int REQUEST_CODE = 1;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        findViewById(R.id.email).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
              //send an email
              Intent intent = new Intent(Intent.ACTION_SEND);
              intent.setType("text/html");
              intent.putExtra(Intent.EXTRA_EMAIL, "[email protected]");
              intent.putExtra(Intent.EXTRA_SUBJECT, "Subject");
              intent.putExtra(Intent.EXTRA_TEXT, "I'm email body.");

              startActivity(Intent.createChooser(intent, "Send Email"));
            }
        });

        findViewById(R.id.gallery).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                Intent intent = new Intent();
                intent.setAction(Intent.ACTION_GET_CONTENT);
                intent.setType("image/*");
                int requestCode = 1;
                startActivityForResult(intent, requestCode);
            }
        });

        findViewById(R.id.sms).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent intentt = new Intent(Intent.ACTION_VIEW);
                intentt.setData(Uri.parse("sms:"));
                intentt.setType("vnd.android-dir/mms-sms");
                intentt.putExtra(Intent.EXTRA_TEXT, "My text");
                intentt.putExtra("address",  "0528445293");
                startActivity(intentt);
            }
        });
    }

    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (resultCode == RESULT_OK) {
            Uri selectedImageUri = data.getData();
           // if (requestCode == PICK_IMAGE_REQUEST && resultCode == RESULT_OK && data != null && data.getData() != null) {
            if (resultCode == RESULT_OK && data != null && data.getData() != null) {
                Uri uri = data.getData();

                try {
                    Bitmap bitmap = MediaStore.Images.Media.getBitmap(getContentResolver(), uri);
                    // Log.d(TAG, String.valueOf(bitmap));
                    ImageView imageView = (ImageView) findViewById(R.id.pic);
                    imageView.setImageBitmap(bitmap);
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }
  
    private void copyFileStream(File dest, Uri uri, Context context)
            throws IOException {
        InputStream is = null;
        OutputStream os = null;
        try {
            is = context.getContentResolver().openInputStream(uri);
            os = new FileOutputStream(dest);
            byte[] buffer = new byte[1024];
            int length;

            while ((length = is.read(buffer)) > 0) {
                os.write(buffer, 0, length);
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            is.close();
            os.close();
        }
    }
}