Android long press pop-up menu, copy, paste, select all, select all for android

Android long press pop-up menu, copy, paste, select all, select all for android

<! -- Define basic layout LinearLayout --> <LinearLayout xmlns: android = "http://schemas.android.com/apk/res/android" xmlns: tools = "http://schemas.android.com/tools" android: layout_width = "match_parent" android: layout_height = "match_parent" android: paddingBottom = "@ dimen/activity_vertical_margin" android: paddingLeft = "@ dimen/plugin" android: paddingRight = "@ dimen/activity_horizontal_margin" android: paddin GTop = "@ dimen/activity_vertical_margin" android: orientation = "vertical"> <! -- Define the TextView control --> <EditText android: id = "@ + id/Et" android: layout_width = "match_parent" android: layout_height = "wrap_content" android: text = "Long press pop-up content menu"/> </LinearLayout>

Package com. example. yanlei. yl2; import android. content. clipData; import android. content. clipboardManager; import android. content. context; import android. OS. bundle; import android. support. v7.app. appCompatActivity; import android. util. log; import android. view. contextMenu; import android. view. contextMenu. contextMenuInfo; import android. view. menu; import android. view. menuItem; import android. view. view; import android Oid. widget. editText; import android. widget. toast; // import the required package public class MainActivity extends AppCompatActivity {// define the Id final int Menu_1 = Menu of each Menu option in ContextMenu. FIRST; final int Menu_2 = Menu. FIRST + 1; final int Menu_3 = Menu. FIRST + 2; EditText Et; private ClipboardManager mClipboard = null; @ Override protected void onCreate (Bundle savedInstanceState) {super. onCreate (savedInstanceState); // call the parent class OnCreate method // set the layout file of the current page to activity_main setContentView (R. layout. activity_main); // obtain the layout control Et = (EditText) findViewById (R. id. et); // register the context menu registerForContextMenu (Et) for EditText;} // create the callback method of the ContextMenu menu public void onCreateContextMenu (ContextMenu m, View v, ContextMenuInfo menuInfo) {super. onCreateContextMenu (m, v, menuInfo); // add option content to context menu options // add method parameters: add (group id, itemid, sorting, menu text) M. add (0, Menu_1, 0, "Copy text"); m. add (0, Menu_2, 0, "paste text"); m. add (0, Menu_3, 0, "select all text");} private void copyFromEditText1 () {// Gets a handle to the clipboard service. if (null = mClipboard) {mClipboard = (ClipboardManager) getSystemService (Context. CLIPBOARD_SERVICE);} // Creates a new text clip to put on the clipboard ClipData clip = ClipData. newPlainText ("simple text", Et. getText (); // Set Clipboard's primary clip. mClipboard. setPrimaryClip (clip);} private void pasteToResult () {// Gets a handle to the clipboard service. if (null = mClipboard) {mClipboard = (ClipboardManager) getSystemService (Context. CLIPBOARD_SERVICE);} String resultString = ""; // check whether the Clipboard contains content if (! MClipboard. hasPrimaryClip () {Toast. makeText (MainActivity. this, "Clipboard is empty", Toast. LENGTH_SHORT ). show ();} else {ClipData clipData = mClipboard. getPrimaryClip (); int count = clipData. getItemCount (); for (int I = 0; I <count; ++ I) {ClipData. item item = clipData. getItemAt (I); CharSequence str = item. coerceToText (MainActivity. this); Log. I ("mengdd", "item:" + I + ":" + str); resultString + = str ;}} Toast. makeText (this, resultString, Toast. LENGTH_SHORT ). show (); Et. setText (resultString);} // The callback event public boolean onContextItemSelected (MenuItem item) selected by the option in the ContextMenu menu) {// The parameter is the selected menu option object // execute the corresponding function switch (item. getItemId () {case 1: Toast. makeText (this, "Copy text", Toast. LENGTH_SHORT ). show (); copyFromEditText1 (); break; case 2: Toast. makeText (this, "paste text", Toast. LENGTH_SHORT ). show (); pasteToResult (); break; case 3: Toast. makeText (this, "select all text", Toast. LENGTH_SHORT ). show (); Et. selectAll (); break;} return super. onOptionsItemSelected (item );}}