MainActivity.java package com.blogspot.csdevbin.sendingemail; import android.content.Intent; import android.net.Uri; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.util.Log; import android.view.Menu; import android.view.View; import android.widget.Button; import android.widget.Toast; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super .onCreate(savedInstanceState); setContentView(R.layout. activity_main ); Button startBtn = (Button) findViewById(R.id. sendEmail ); startBtn.setOnClickListener( new View.OnClickListener() { public void onClick(View view) { sendEmail(); } }); } protected void sendEmail() { Log. i ( "Send email" , "" ); String[] TO
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MainActivity.xml < LinearLayout xmlns: android = "http://schemas.android.com/apk/res/android" xmlns: tools = "http://schemas.android.com/tools" android :id= "@+id/LinearLayout1" android :layout_width= "match_parent" android :layout_height= "match_parent" android :orientation= "vertical" tools :context= ".MainActivity" > < TextView android :id= "@+id/textView1" android :layout_width= "wrap_content" android :layout_height= "wrap_content" android :text= "Large Text" android :textAppearance= "?android:attr/textAppearanceLarge" /> < Button android :id= "@+id/button1" android :layout_width= "wrap_content" android :layout_height= "wrap_content" android :text=