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Add basic splash screen example (#1186)

Elliot Hesp hace 7 años
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Se han modificado 1 ficheros con 31 adiciones y 1 borrados
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      docs/android-specific-use-cases.md

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docs/android-specific-use-cases.md Ver fichero

@@ -68,7 +68,37 @@ public class MyApplication extends NavigationApplication {
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 `MainActivity` extends `SplashActiviy` which is used to start the react context. Once react is up and running `MainActivity` is **stopped** and another activity takes over to run our app: `NavigationActivity`. Due to this design, there's usually no point in overriding lifecycle callbacks in `MainActivity`.
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 ## Splash screen
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-Override `getSplashLayout` or `createSplashLayout` in `MainActivity` to provide a splash layout which will be displayed while Js context initialises.
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+Override `getSplashLayout` or `createSplashLayout` in `MainActivity` to provide a splash layout which will be displayed while Js context initialises, for example:
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+
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+```java
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+import android.widget.LinearLayout;
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+import android.graphics.Color;
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+import android.widget.TextView;
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+import android.view.Gravity;
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+import android.util.TypedValue;
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+
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+import com.reactnativenavigation.controllers.SplashActivity;
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+
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+public class MainActivity extends SplashActivity {
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+
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+    @Override
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+    public LinearLayout createSplashLayout() {
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+        LinearLayout view = new LinearLayout(this);
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+        TextView textView = new TextView(this);
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+
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+        view.setBackgroundColor(Color.parseColor("#607D8B"));
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+        view.setGravity(Gravity.CENTER);
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+
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+        textView.setTextColor(Color.parseColor("#FFFFFF"));
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+        textView.setText("React Native Navigation");
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+        textView.setGravity(Gravity.CENTER);
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+        textView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 40);
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+
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+        view.addView(textView);
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+        return view;
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+    }
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+}
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+```
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 ## Snackbar
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 Snackbars provide lightweight feedback about an operation. They show a brief message at the bottom of the screen. Snackbars appear above all other elements on screen and only one can be displayed at a time.