diff options
Diffstat (limited to 'java/com/android/dialer/compat')
-rw-r--r-- | java/com/android/dialer/compat/CompatUtils.java | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/java/com/android/dialer/compat/CompatUtils.java b/java/com/android/dialer/compat/CompatUtils.java index 351c89ad7..673cb709b 100644 --- a/java/com/android/dialer/compat/CompatUtils.java +++ b/java/com/android/dialer/compat/CompatUtils.java @@ -16,9 +16,15 @@ package com.android.dialer.compat; import android.os.Build; +import android.support.annotation.Nullable; +import android.text.TextUtils; +import android.util.Log; +import java.lang.reflect.InvocationTargetException; public final class CompatUtils { + private static final String TAG = CompatUtils.class.getSimpleName(); + /** PrioritizedMimeType is added in API level 23. */ public static boolean hasPrioritizedMimeType() { return SdkVersionOverride.getSdkVersion(Build.VERSION_CODES.M) >= Build.VERSION_CODES.M; @@ -64,4 +70,153 @@ public final class CompatUtils { public static boolean isCallSubjectCompatible() { return SdkVersionOverride.getSdkVersion(Build.VERSION_CODES.LOLLIPOP) >= Build.VERSION_CODES.M; } + + /** + * Determines if this version is compatible with a default dialer. Can also force the version to + * be lower through {@link SdkVersionOverride}. + * + * @return {@code true} if default dialer is a feature on this device, {@code false} otherwise. + */ + public static boolean isDefaultDialerCompatible() { + return isMarshmallowCompatible(); + } + + /** + * Determines if this version is compatible with Lollipop Mr1-specific APIs. Can also force the + * version to be lower through SdkVersionOverride. + * + * @return {@code true} if runtime sdk is compatible with Lollipop MR1, {@code false} otherwise. + */ + public static boolean isLollipopMr1Compatible() { + return SdkVersionOverride.getSdkVersion(Build.VERSION_CODES.LOLLIPOP_MR1) + >= Build.VERSION_CODES.LOLLIPOP_MR1; + } + + /** + * Determines if this version is compatible with Marshmallow-specific APIs. Can also force the + * version to be lower through SdkVersionOverride. + * + * @return {@code true} if runtime sdk is compatible with Marshmallow, {@code false} otherwise. + */ + public static boolean isMarshmallowCompatible() { + return SdkVersionOverride.getSdkVersion(Build.VERSION_CODES.LOLLIPOP) >= Build.VERSION_CODES.M; + } + + /** + * Determines if the given class is available. Can be used to check if system apis exist at + * runtime. + * + * @param className the name of the class to look for. + * @return {@code true} if the given class is available, {@code false} otherwise or if className + * is empty. + */ + public static boolean isClassAvailable(@Nullable String className) { + if (TextUtils.isEmpty(className)) { + return false; + } + try { + Class.forName(className); + return true; + } catch (ClassNotFoundException e) { + return false; + } catch (Throwable t) { + Log.e( + TAG, + "Unexpected exception when checking if class:" + className + " exists at " + "runtime", + t); + return false; + } + } + + /** + * Determines if the given class's method is available to call. Can be used to check if system + * apis exist at runtime. + * + * @param className the name of the class to look for + * @param methodName the name of the method to look for + * @param parameterTypes the needed parameter types for the method to look for + * @return {@code true} if the given class is available, {@code false} otherwise or if className + * or methodName are empty. + */ + public static boolean isMethodAvailable( + @Nullable String className, @Nullable String methodName, Class<?>... parameterTypes) { + if (TextUtils.isEmpty(className) || TextUtils.isEmpty(methodName)) { + return false; + } + + try { + Class.forName(className).getMethod(methodName, parameterTypes); + return true; + } catch (ClassNotFoundException | NoSuchMethodException e) { + Log.v(TAG, "Could not find method: " + className + "#" + methodName); + return false; + } catch (Throwable t) { + Log.e( + TAG, + "Unexpected exception when checking if method: " + + className + + "#" + + methodName + + " exists at runtime", + t); + return false; + } + } + + /** + * Invokes a given class's method using reflection. Can be used to call system apis that exist at + * runtime but not in the SDK. + * + * @param instance The instance of the class to invoke the method on. + * @param methodName The name of the method to invoke. + * @param parameterTypes The needed parameter types for the method. + * @param parameters The parameter values to pass into the method. + * @return The result of the invocation or {@code null} if instance or methodName are empty, or if + * the reflection fails. + */ + @Nullable + public static Object invokeMethod( + @Nullable Object instance, + @Nullable String methodName, + Class<?>[] parameterTypes, + Object[] parameters) { + if (instance == null || TextUtils.isEmpty(methodName)) { + return null; + } + + String className = instance.getClass().getName(); + try { + return Class.forName(className) + .getMethod(methodName, parameterTypes) + .invoke(instance, parameters); + } catch (ClassNotFoundException + | NoSuchMethodException + | IllegalArgumentException + | IllegalAccessException + | InvocationTargetException e) { + Log.v(TAG, "Could not invoke method: " + className + "#" + methodName); + return null; + } catch (Throwable t) { + Log.e( + TAG, + "Unexpected exception when invoking method: " + + className + + "#" + + methodName + + " at runtime", + t); + return null; + } + } + + /** + * Determines if this version is compatible with Lollipop-specific APIs. Can also force the + * version to be lower through SdkVersionOverride. + * + * @return {@code true} if call subject is a feature on this device, {@code false} otherwise. + */ + public static boolean isLollipopCompatible() { + return SdkVersionOverride.getSdkVersion(Build.VERSION_CODES.LOLLIPOP) + >= Build.VERSION_CODES.LOLLIPOP; + } } |