ApiDemos: Add a sample for Text Processing intents.

Change-Id: Ic2b333a6c83d24e73216daa69e68f473e33d103f

samples/ApiDemos/src/com/example/android/apis/content/ProcessText.java

@@ -0,0 +1,57 @@
+package com.example.android.apis.content;
+
+//Need the following import to get access to the app resources, since this
+//class is in a sub-package.
+import com.example.android.apis.R;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.Menu;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.Button;
+import android.widget.EditText;
+
+public class ProcessText extends Activity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.process_text_main);
+
+        CharSequence text = getIntent().getCharSequenceExtra(Intent.EXTRA_PROCESS_TEXT);
+        boolean readonly =
+                getIntent().getBooleanExtra(Intent.EXTRA_PROCESS_TEXT_READONLY, false);
+
+        EditText edit = (EditText) findViewById(R.id.process_text_received_text_editable);
+        edit.setText(text);
+        edit.setSelection(edit.getText().length());
+
+        Button finishButton = (Button) findViewById(R.id.process_text_finish_button);
+        finishButton.setText(readonly
+                ? R.string.process_text_finish_readonly : R.string.process_text_finish);
+        finishButton.setOnClickListener(
+                new OnClickListener() {
+                    @Override
+                    public void onClick(View arg0) {
+                        finish();
+                    }
+                });
+    }
+
+    @Override
+    public void finish() {
+        EditText edit = (EditText) findViewById(R.id.process_text_received_text_editable);
+        Intent intent = getIntent();
+        intent.putExtra(Intent.EXTRA_PROCESS_TEXT, edit.getText());
+        setResult(RESULT_OK, intent);
+        super.finish();
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        return false;
+    }
+
+}

samples/ApiDemos/src/com/example/android/apis/content/ProcessTextLauncher.java

@@ -0,0 +1,24 @@
+package com.example.android.apis.content;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.view.Menu;
+
+//Need the following import to get access to the app resources, since this
+//class is in a sub-package.
+import com.example.android.apis.R;
+
+public class ProcessTextLauncher extends Activity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.process_text_send);
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        return false;
+    }
+
+}