Orentation_onSaveInstanceState.java

Author: Nicolas Sauter

Orentation_onSaveInstanceState.java

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+package ch.nicolassauter.testgetpref;
+
+import android.content.SharedPreferences;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.TextView;
+import android.widget.Toast;
+
+public class MainActivity extends AppCompatActivity {
+
+    TextView textView;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        Button button = findViewById(R.id.button);
+        textView = findViewById(R.id.textView);
+
+        button.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                textView.setText("1000");
+            }
+        });
+
+        if(savedInstanceState != null){
+            textView.setText(savedInstanceState.get("meinWert").toString());
+        }
+
+    }
+
+    @Override
+    protected void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+
+        outState.putCharSequence("meinWert",textView.getText());
+    }
+
+}